React Jobs

Regal is the AI Agent Platform — we power millions of outbound/inbound calls, SMS, and email interactions for enterprise customers like Google, AAA, and Coursera. $82M raised, $7B in revenue driven for customers, 250M+ calls completed. We're hiring …

Hiring software engineers who enjoy solving real-world problems and working close to hardware. Candidates should learn new domains quickly and prefer practical solutions over unnecessary complexity. Projects include scientific tools; automation & ro…

Breezy is hiring an AI Product Engineer to build product capabilities across their platform for residential HVAC field service software. Work across the stack (TypeScript, React, Node.js, PostgreSQL), incorporate LLMs and automation, and use AI-assi…

Loop is a fintech/payments company based in Toronto building infrastructure that moves money. Hiring Senior Frontend Engineer (own the user-facing product experience; strong React skills) and Senior Backend Engineer (work on the core payments platfo…

Jurisphere is building an enterprise-grade Legal AI platform used by top law firms in India and the US. We are building product and systems infrastructure around legal workflows, document intelligence, review systems, and AI-powered execution. Engin…

Atomic Tessellator provides computational infrastructure for advanced materials for defence and aerospace. Hiring multiple roles (including Lead Engineer - Front-end and Lead Engineer - LLMs). Roles are remote; candidates should be within ±4 hours o…

Spruce is a VC-backed startup (founded early 2024) building software for heat pump installation businesses across the UK. The role involves owning slices of architecture and technical strategy, writing high-leverage code on critical paths, mentoring…

Weave Bio is a Series A (<50 person) regulatory AI SaaS startup building an AI-native regulatory automation management platform for novel therapeutics. Hiring multiple positions including Senior/Staff Backend (Django, Python), Senior/Staff Frontend …

Shorebird is a startup building services for businesses using Flutter. The company serves hundreds of millions of devices from its cloud (2k+ RPS sustained) and is built mostly in Dart on Google Cloud and Cloudflare. They are launching a series of C…

Founding-stage fullstack engineer role at Rivet, an AI marketing platform for artists and creators. One of two founding engineers; hiring to expand the engineering team to three. Looking for scrappy, adaptable fullstack developers with demonstrated …

Build state-of-the-art 3D data annotation tools for autonomous driving. Seeking a seasoned UI engineer with a strong React background to build highly stateful, low-latency interactive applications. 3D graphics experience is a plus. Full-time, onsite…

Collective Intelligence Project builds platforms for public participation in decisions about AI systems and partners with AI labs and governments to evaluate frontier models on complex real-world questions. The Lead Product Engineer will build infra…

Adalat AI is building AI solutions to transform India’s judicial system, deployed across 10 states and launched at the Delhi High Court. Hiring for Fullstack Engineers (5+ YOE) to own end-to-end features using React/Next.js and Go with Postgres; a F…

Careforce AI is building autonomous AI agents that eliminate the manual administrative burden in healthcare (fax machines, scheduling, calling). We find, call, and schedule patients, breaking interoperability barriers that have plagued the industry …

Decise is a hands-on advisory and delivery firm working with executives to define and build software, data platforms, analytics, and customer-facing products. The role is a principal-level technologist who moves between engineering, architecture, an…

PermitFlow builds software to streamline construction permitting across thousands of U.S. municipalities. YC W22 company that recently raised a $54M Series B. Hiring NYC onsite for Staff Software Engineer, Fullstack Software Engineer, and Senior Fro…

Brico automates financial licensing for Financial Institutions and FinTechs, handling license applications, maintenance, and renewals across 50+ US jurisdictions. Series A company based in San Francisco, CA. Revenue has grown 600% over 2.5 years wit…

Trunk is an a16z funded (25M) Series A dev tools startup redefining software development at scale. Their mission is to help teams create high-quality software quickly by addressing downstream bottlenecks like merge conflicts, flaky tests, and incons…

Trayd is building the financial operating system for commercial construction, replacing spreadsheets and legacy software with a single platform that automates payroll, union compliance, time tracking, and job costing. Construction payroll moves ~$26…

Fullstory provides privacy-preserving session replay and analytics for web and mobile apps. Current engineering roles are semi-onsite in Atlanta (1 day per week in office). Open roles include multiple software engineering positions as well as sales,…

Colonist.io is a multiplayer web strategy game. Role involves owning features end-to-end, from backend game logic to polished UI; work on evolving game architecture, improving code boundaries and scalability. Small team, heavy use of AI tooling to s…

Founder-led, people-first, boutique indie tech agency building a fully-remote team (some clients offer onsite). Leadership includes ex-Fortune 100 staff; everyone touches code. Notable projects include internal tools for Anduril and voltagepark.com.…

Building automation software for the $7T insurance industry, accelerated by AI. Seed-stage in headcount (~20 people) but Series B in business traction and cash-flow positive. Experienced engineering team from Airbnb/Brex/LiveRamp. Role is onsite in …

Founding technical operations lead for an AI-native clinical data platform. Responsibilities include owning CI/CD, QA, testing infrastructure, compliance documentation, and performing ~30-40% independent feature development. Must be actively shippin…

Tangible Materials helps the construction industry make better decisions around building materials by using less and better materials. They use AI to parse complex construction documents to estimate quantities, track design decisions, and detect ove…

Littlebird is your AI-powered personal operating system. We capture context from your daily life -- meetings, messages, browsing, notes -- and use it to help you remember everything, prioritize your day, and solve real problems. If you get excited a…

We are looking for an experienced Full-Stack Software Engineer to work with us on an upcoming project for a large humanitarian organisation. Required: Python, React, AWS, Postgres. The place of work is London, UK but we're open to remote applicants …

Instinct Science is an AI-driven veterinary medicine platform combining a cloud-native EMR with real-time clinical decision support. Responsibilities include owning projects from scoping through release, building full-stack features with Elixir (bac…

Findigs is transforming the rental experience by building high-scale applications to streamline renting for millions. The company fosters a collaborative culture with high ownership and autonomy, taking features from concept to deployment. Roles are…

Innolitics builds AI/ML software for medical devices — the kind that detects ear infections, tracks metastatic cancer, and plans radiation therapy. 60+ FDA clearances. We're a remote-only firm (since 2012) that does engineering, regulatory, and cybe…

We’re building the biggest bike shop in the world. Upway is the leading marketplace for refurbished e-bikes across Europe and the United States. In 3 years, the company grew from 0 to $200M GMV. The tech team grew to ~12 engineers in 2025 and plans …

Confido Legal is a fintech platform enabling legal tech companies and law firms to embed payments and finance features. Hiring a senior software engineer to own security across the platform while remaining an active product-contributing engineer. Re…

Neocom is a digital shop agent for online shops. Customers can chat naturally, get clear guidance, and find the right product faster, just like talking to a great salesperson in a physical store. We've been in the guided selling space for the past 6…

Journee is a technology startup founded in 2020. Our in-house low-latency streaming technology and GPU fleet orchestration systems power work with brands such as BMW, H&M, and Siemens. We are building and launching Ojin, a real-time generative AI pl…

AI 初创公司 ILLUCIO 正在招募一位自我迭代速度极快的全栈工程师，负责将产品洞察与体验落地为安全、稳固、可规模化的系统。公司以 AI 学习工具为主，关注文本形式的革新与心流式学习体验，已上线并在短期内获得用户与付费用户、6000+ 粉丝账号与融资。创始团队成员分别近期基地为北京/上海与新加坡，欢迎现场 coffee chat。

Join us in pioneering the future of e-commerce search. 1M+ MAU growing rapidly. Large seed round raised from top-tier VCs and individuals with backgrounds from Google, Amazon, OpenAI, Stitch Fix, Whatnot, Stripe, and more. We're a hard-working team …

Small scientific software development company building custom scientific and engineering analysis applications in domains including space situational awareness, image simulation, high power microwave systems, modeling and simulation, laser systems m…

Building alphaLENS, a suite of tools for professional market research and trading. Public registration opens soon. Role involves working on a small team, focusing on frontend engineering with heavy emphasis on testing and performance. Expect to work…

Building a continuous performance optimization platform to catch performance regressions with sub-1% measurement variance. Trusted by teams at Cloudflare, Vercel, Mozilla, Pydantic, and Astral. Small, deeply technical team offering ownership; compet…

We just crossed $11M ARR and 5,000 customers -- all therapists and mental health providers who trust us to run their financial back office: bookkeeping, taxes, payroll. Now we're building AI-powered CFO for therapists -- a layer on top of our ledger…

Journalytic is an early-stage company building a mission-critical operating system for professional investment teams. We combine behavioral science, structured workflows, and well-crafted software to help hedge funds, family offices, and RIAs make b…

We're a fast growing profitable SaaS that helps stores sell Pokemon cards (and other tcgs).

We’re building Topliner, an AI-powered platform for executive search. Requirements: 5+ years full-stack experience; Fluent English; Exceptional quality standards. Compensation: $80k/year; Remote; Part-time → full-time path; Equity potential.

Building an AI notetaker and task management tool for financial advisors. Startup headquartered in NYC. Location: St. Louis or NYC; if not in NYC, quarterly travel to the office is expected. Tech stack: Front end React; DB Postgres; APIs Golang, Ely…

Empire Flippers is a global-remote company and a marketplace for buying and selling online businesses (typically 5 to 8 figure USD range). Employees are distributed across multiple continents and timezones. The company is hiring for several technica…

We’re building one of the fastest-growing AI entertainment platforms in the world—20M users in year one and scaling to hundreds of millions. You'll be one of our early hires and own core product and infrastructure decisions. Tech stack: TypeScript, …

Goody is building a gifting product and developer commerce API used by customers like Google, Stripe, Anthropic, Meta, NBCUniversal, and Notion. Hiring multiple full-stack engineering roles for 2026 scale: Staff Software Engineer and Senior Software…

At akeno, we help chemical manufacturers optimise production planning in large factories (asset utilisation, dependency graphs, real-time data, critical processes). Hiring 1x Senior/Staff Fullstack Engineer, 1x Senior/Staff DevOps Engineer, and 1x S…

Sitewire | Full Stack Engineer | Full-Time | REMOTE (US-only). Learn more or apply at https://wellfound.com/l/2zf9K9 - I personally review every application, so just mention you found us on HN. Sitewire is a simple yet powerful construction finance …

Level builds a modern Remote Monitoring & Management (RMM) platform for IT teams and Managed Service Providers. We help IT professionals monitor devices, automate workflows, remotely support users, and leverage AI to operate more efficiently. We’re …

We are applying AI to organize corporate events. We are looking for a senior engineer with at least ten years of full stack experience, a strong focus on product and UX, and optionally some experience building LLM based products. Currently we are fo…

We build agents that companies can deploy for computational research. In particular, we built a custom editor (a ground-up replacement for Jupyter and VSCode) for agents to (a) work in notebooks and (b) coordinate with each other. You can fire off a…

Ashby is an all-in-one recruiting platform hiring Senior/Staff+ Product, Platform, and Design Engineers and hands-on Engineering Managers. Team growth from ~30 to 60 last year with plans to double in 2026. Roles are remote across Americas and EMEA. …

Hi HN. I am an Engineering Manager at Nectar Social, and we're hiring across product, design and engineering. The traditional playbook of buying ads on social media platforms no longer works for most brands. Buyers make purchasing decisions from org…

We're building infrastructure that makes the web queryable for AI agents. Already in production with major AI labs. Looking for experienced full-stack devs who are comfortable wielding agent swarms to ship fast. Small team, well-funded, high intensi…

Prequel enables software companies to sync data to their customers' data environments at massive scale. The small engineering team (four engineers) is based in NYC, the company is cash-flow positive and growing. The role involves solving problems ar…

We’re building the AI-powered infrastructure layer for small-business lending. Banks and fintechs use Omni to automate document collection, financial modeling, public-record research, and ongoing borrower communication. You’ll work on: 1) Wrangling …

Ever wanted to build indie video games at a startup? Let's talk. Elsewhere is a San Francisco-based company building a new kind of multiplayer social video game, inspired by indie roguelike deckbuilding games like Slay the Spire and CCGs like Magic:…

Apex Dental Partners is a dental support organization running 59 practices across TX/OK/CO/MO/IA/NE/TN/AZ. They are hiring a Full-Stack Developer to join a small engineering team with end-to-end ownership of problems — from diagnosing billing workfl…

Halfpricesoft is a profitable, bootstrapped company serving small business payroll and tax compliance for 20 years. The Founding Engineer will report to the Founder, own the technical roadmap, lead the transition from legacy systems to a modern clou…

BoWatt builds intelligent software for manufacturing complex hardware products — think machines, medical devices, or electronics. We’re a profitable, bootstrapped startup headquartered in Munich, with team members across Germany and the UK. We’re lo…

Chestnut builds systems for insurance carriers to run their distribution businesses, replacing spreadsheets and legacy systems with real-time data, deterministic workflows, and AI-assisted tooling. This role is end-to-end product engineering: design…

Tetricus Labs is a health tech startup building Personily, a psychiatric care platform combining structured clinical measurement (PHQ-9, GAD-7, LPFS), passive sensing (sleep, steps, location), AI session transcription, and supervision tooling. Seeki…

Starbridge is building an AI platform that turns large-scale public and enterprise data into reliable sales insights. We are early, moving fast, and building from zero to one, so this role will have huge ownership and product impact. Product Enginee…

Rinse provides dry cleaning and laundry delivery services to customers in twelve metropolitan areas in the US and Canada. The company has sophisticated logistics optimization software, a polished consumer product, and firm business fundamentals. Eng…

Mental health 501(c)(3) nonprofit building a care navigation platform. AI-native team using LLM-powered data enrichment workflows and agent coding teams. Role owns significant architecture and ships across full stack: NestJS backend, Next.js fronten…

Dynasty helps startup founders legally eliminate millions in capital gains taxes through QSBS trust planning. Today, sophisticated tax strategies are locked behind elite law firms and opaque processes. We’re building the software layer that makes ad…

Modern hardware supply chains run on spreadsheets, email, and PDFs. Silkline is building an AI-first procurement platform for aerospace, defense, and nuclear manufacturing. Customers include Machina Labs, Astranis, K2 Space, Castelion, Antares, and …

Oboe's goal is simple: teach one billion people one trillion things. We'll do that by building the world's first completely generalized AI-powered learning platform. Today, so much of our focus is spent on making machines smarter. We believe it's ti…

Lantern is building AI-powered revenue intelligence and is hiring multiple software engineering roles. Senior Software Engineer: own complex technical problems end-to-end, design scalable architecture, optimize AI model efficiency through prompt eng…

We make software landscapes understandable and explorable. Our canvas is zoom-to-code, and shows data on overlays from all of the git repos in your company. LLMs go through the codebase and extract the architecture. We provide clarity when it's most…

We're building a unified platform for credit and financial data to power financial inclusion globally. Our mission is to unlock economic opportunities for consumers historically excluded from traditional credit systems by transforming diverse data i…

River is a Bitcoin-only financial institution building a consumer financial app to save in bitcoin and spend in dollars. The company custodizes over 25,000 BTC, serves individuals and businesses across the U.S., is profitable, and publishes cryptogr…

Layer Health (founded 2023) is an ML-powered healthcare startup building a platform to synthesize patient medical records and accelerate clinical registry abstraction. Headcount ~38 and growing. Locations: Boston (Boston Common) or New York City (do…

4-person non-profit building OpenCouncil, an AI platform that makes Greek municipal council meetings accessible: searchable per-topic video clips, notifications, and speaker analytics. Live with 10 municipalities including Athens; open source. Stack…

We make robots that autonomously construct buildings. We are developing and manufacturing an autonomous bricklaying system in central Amsterdam and operating robots on construction sites across the Netherlands. Looking for experienced software engin…

BillionToOne builds molecular diagnostics detecting disease at the single-molecule level (prenatal and oncology). Over 1M tests processed; revenue growth to ~$300M and guiding $415-430M for 2026; publicly traded and GAAP profitable. Hiring multiple …

JustPark is the premier partner offering both B2B solutions for destinations and B2C services for drivers, simplifying the entire parking experience for venues, councils and private driveways. They are looking for a Lead Full Stack Engineer to drive…

Marker Learning is building an AI-enhanced assessment platform to make identifying learning differences faster, cheaper, and more equitable, especially for multilingual students. This is a Series B company running a multi-million-dollar longitudinal…

Uncountable is a profitable SaaS company accelerating R&D for industrial scientists. Hiring product-driven Full-Stack Engineers to build the Uncountable Web Platform and LLM Applications Engineers to advance the data model through LLM-native UIs and…

Flux.ai builds a browser-based EDA with integrated AI hardware engineering tools and agentic capabilities. Hiring multiple senior engineering roles (Platform, Front End/Product, Software for agentic products, and DevOps) to develop and maintain user…

Were building Cursor for sales - an AI assistant doubling sales productivity by handling prospecting, CRM updates, meeting prep, and follow-ups. Backed by founders & operators @ Lovable, OpenAI, Neo4j, Creandum. Pre-seed. Shipping fast. What youll…

PrairieLearn is an open-source assessment platform used by universities across the US. Early-stage, profitable, bootstrapped company seeking a full-stack engineer to work across the stack with meaningful ownership. Tech stack includes Node.js/TypeSc…

At UbiOps (https://ubiops.com), we make a platform to deploy AI and other workloads on any infrastructure. Our software is deployed in a broad range of environments: on-premises hardware, public clouds and everything in between. We work for governme…

VC-backed, fully-remote creator marketplace connecting eCommerce brands with everyday social media users. Hiring multiple full-time remote roles including a Senior Full Stack JavaScript Developer (React, Node.js, Next.js, Azure), Product Designer an…

Vantheon is an applied AI research lab exploring how AI will disrupt investing across economic classes: Vantheon.ai. If you are obsessed with trading, crypto, defi, or something similar, this would be an exciting opportunity. Role is in-person in Au…

BetterDB is building the tooling ecosystem for Valkey (a high-performance Redis fork). Focus is on observability: historical persistence, pattern analysis, anomaly detection, and Prometheus export. They ship OSS self-hosted and are launching a cloud…

Early-stage engineering role as the third engineer at Lift AI, building software for the elevator industry. You'll migrate an acquired Firebase/Firestore field product to a Django/PostgreSQL backend (including offline sync replacement), define API c…

Cliniko is practice management software that handles appointment scheduling, storing treatment notes, managing invoices and payments, running video consultations, and more. The software is used globally by 100,000+ people every day. It’s a web appli…

Founding Growth Engineer role to build virality into the product and drive 100x user growth. True 0→1 founding role with massive ownership. Responsibilities/requirements include building virality loops, proven track record driving significant user g…

5-person dev agency building AI, Web3, and SaaS products for startups, NFL players, and enterprises. Role involves shipping pixel-perfect UIs from Figma designs, making architectural decisions, and delivering production code for real clients—greenfi…

Flutter/Shorebird founder here. Flutter is used by millions of devs (and nearly ⅓ of free apps submitted to AppStore), but is missing services for businesses. We offer Flutter-related SAAS used by 1000s businesses globally, on track to profitability…

I’m Scott - founder of DoStuff. We have a pretty big, and growing, membership product called DoMORE - $7/month for a pair of tickets to an event we think you’ll like. We’re hiring a hands-on Retention Product Engineer to own engagement → churn reduc…

Zefr is a global technology company enabling responsible marketing in walled garden social environments (YouTube, Meta, TikTok, Snap) using patented AI. Role: Staff or Principal Site Reliability Engineer. Responsibilities include applying expertise …

Instinct is building AI-forward SaaS products that serve the veterinary world. We are growing our talented Engineering team and looking for people who thrive with autonomy and want to solve hard problems. Stack: Elixir, React, AWS, GraphQL. Learn mo…

Fractional CTO firm working with scaling businesses. Responsibilities include building unified dashboards pulling from Shopify, Stripe, HubSpot, and ad platforms (Meta, TikTok, Google); creating multi-system automations (HubSpot → SamCart → Klaviyo …

Hi, I’m Mel at Gaia AI (https://www.gaia-ai.eco/). We’re a small GreenTech startup in Boston building hardware and software in the forestry space. Role: Full stack / platform engineer working on the web app and mobile app. Role: Robotic Perception /…

Office Hours connects organizations (AI labs, startups, investors, consulting firms) with experts for paid calls, surveys, and model training. They are a profitable, growing company with a small senior, product-minded engineering team that values qu…

Journalytic is an early-stage company building a mission-critical operating system for professional investment teams. We combine behavioral science, structured workflows, and well-crafted software to help hedge funds, family offices, and RIAs make b…

Mapistry helps manufacturing facilities comply with environmental regulations, reduce emissions, and improve environmental stewardship. Seeking an intermediate/senior full-stack engineer to work in a small team, participate in decision-making from u…

Duckbill is hiring three to five engineers for three senior roles on Skyway, an enterprise-grade finops tool. The team is small and focused on large SaaS spenders. Work model is hybrid: in-office Monday/Wednesday/Friday and work-from-home Tuesday/Th…

xAI (recently acquired by SpaceX) is hiring technical talent for their truth-seeking AI (Grok). They are recruiting in-office across multiple global locations (Palo Alto, San Francisco, Seattle, Memphis, New York City, London, Dublin, Tokyo, Dubai, …

Building Topliner, an AI-powered platform for executive search. Responsibilities include integrations with Loxo, Metaview, GetSales, Calendly; API design; background jobs and sync pipelines; auth flows, queue processing, caching; and building React+…

Building automation software for the $7T insurance industry, accelerated by AI. Seed-stage in headcount (~20 people) with Series B-level business traction and cash-flow positive. Onsite role in San Francisco, CA. Experienced engineering team from Ai…

Our mission is to create opportunities for career advancement through access to affordable education. We are also the market leaders in early childhood (ECE) training and certifications. We are looking for two Staff Engineers to help lead developmen…

Rolling Insights builds modern sports data products and APIs used by fantasy platforms, sportsbooks, and media companies. We work with large-scale real-time datasets and are expanding into generative AI-driven collection engines to help scale and au…

CareIgnition | Senior/Staff Software Engineer (Generalist) | REMOTE, Chicago (US Only) Medical billing in America is a black box of fragmented data and inefficiency. At CareIgnition, we are building the transparency layer for healthcare. We transfo…

Layer Health (founded 2023 by ML researchers from MIT and Harvard Medical School) is a startup (~37 employees and growing) building an LLM-powered platform that synthesizes patient medical records to accelerate clinical registry abstraction. Locatio…

Folio is a marketplace connecting hotels and restaurants with suppliers, bringing AI search, web automations, invoice processing, and payments to hotel procurement. 16-person team, fully remote (US) with hubs in San Francisco, NYC, and Durham. Open …

Interested in real estate and proptech? The Platform Communications team at AppFolio (NASDAQ: APPF) is looking for a Staff Software Engineer who will be in charge of scaling up our SMS, email, in-app chat and voice offerings. Learn more and apply he…

Upway is a marketplace for refurbished e-bikes operating warehouses and real inventory across Europe and the United States. The company grew to $200M GMV in 3 years and raised a $60M Series C. The tech team is expanding (from ~12 engineers in 2025 t…

Sequent Tech builds cryptographically secure online voting infrastructure used in 200+ real elections across multiple countries. Fully remote, open-source platform combining Rust, TypeScript, and modern DevOps. Work includes end-to-end encrypted vot…

Findigs is transforming the rental experience by building high-scale applications to streamline renting for millions. The company uses a modern tech stack and fosters a collaborative culture where engineers have high ownership and autonomy, taking f…

Cosuno is a fast-growing tech startup reshaping the construction industry with a digital procurement platform that uses AI to analyze price points and help construction companies create bids based on market data. They are hiring two senior roles: Se…

We run a platform that handles story publishing, media delivery and newsroom workflows for hundreds of organizations with millions of readers every month. Backend uses PHP (Symfony) for APIs/app; frontend uses TypeScript/React. Hiring Senior Backend…

We are applying AI to organize corporate events. We are looking for a senior engineer with at least ten years of full stack experience, a strong focus on product and UX, and optionally some experience building LLM-based products. Currently focused o…

Artificial Analysis is an independent AI benchmarking and insights provider (team of 25+), backed by investors including Nat Friedman, Daniel Gross, and Andrew Ng. They benchmark AI systems for engineers and companies; benchmarks cited by NVIDIA, Me…

Adalat AI is building AI-powered courtroom workflow tools deployed across 10 states and launched at the Delhi High Court. Mission-driven startup focused on transcription, summarization, and judicial workflow automation. Remote-first company with unl…

EnergyHub builds software and virtual power plants (VPPs) that enable smart devices (thermostats, EV chargers, batteries, etc.) to partner with utilities to decarbonize the grid. Hiring for Director of Engineering, Engineering Manager, and Senior En…

Kato is building a compliance-first AI servicing platform for the $24B lending market. Their first product is a Voice AI agent handling loan servicing calls for fintechs like Bilt Rewards and Parafin. Backed by Pear VC and angels from Brex, Bridge, …

We're a small scientific software development company that develops custom scientific and engineering analysis applications in domains including space situational awareness, image simulation, high power microwave systems, modeling and simulation, la…

Hiring across engineering in Austin, TX (onsite) for individual contributor and management roles at all levels. Work on a large-scale Ruby on Rails monolith serving thousands of concurrent users, plus frontend and supporting services using React, Ty…

We’re building the next generation of financial tooling to help small business owners succeed. Our solution blends banking, bookkeeping, taxes and payments into an all-in-one solution to help save our users time, stress and money -- so they can focu…

Ever wanted to build indie video games at a startup? Let's talk. Elsewhere is a San Francisco-based company building a new kind of multiplayer social video game, inspired by indie roguelike deckbuilding games like Slay the Spire and CCGs like Magic:…

At Songscription, we train state-of-the-art AI models to automate music transcription, with the vision of enabling any musician to learn any song, on any instrument, at any difficulty level. We recently raised a $5M funding round to make this possib…

Halfpricesoft, a profitable bootstrapped company in the small business payroll and tax compliance space, is transitioning legacy solutions to a modern cloud-native suite and seeks a Founding Engineer. You will report directly to the Founder, own the…

Hands-on technical leadership role at an early-stage fintech startup building a platform for sophisticated investment strategies. Architect and build scalable systems, establish engineering best practices, own end-to-end delivery from conception to …

Uncountable is a profitable SaaS company accelerating R&D for industrial scientists in materials, chemicals, and life sciences. Founded by MIT and Stanford engineers, the team has grown from ~50 to ~100. Hiring Full-Stack Engineers to lead developme…

Modern hardware supply chains run on spreadsheets, email, and PDFs. Silkline is building an AI-first procurement platform for aerospace, defense, and nuclear manufacturing. Customers include Machina Labs, Astranis, K2 Space, Castelion, Antares, and …

Software engineering consultancy seeking engineers who value software design, system architecture, and collaboration. Work involves web application security, relational database design (PostgreSQL), Django internals, React, and distributed systems. …

Neo.Tax is automating enterprise accounting and tax with AI. We help companies like Notion, Mercury, Brex, and Whoop calculate R&D tax credits and capitalize software costs in hours instead of weeks—saving millions in manual consulting fees. Our sta…

Hiring 7+ years Senior or Staff (Principal) engineers to join as founding members at a stealth AI-security startup (seed $15M) in NYC. Ship end-to-end: design → production → detection stories used daily. Prefer experience at scale (Google/Meta/AWS/A…

DrSwarm is building AI-driven workflow automation for healthcare clinics / health systems (scheduling, RCM/billing workflows, patient ops). This is a true 0→1 role: ship fast, talk to customers, own systems end-to-end. You will: - Build product end…

Mozart AI is a Digital Audio Workstation (DAW) with built-in AI Co-Production aimed at 'Hybrid Musicians'. Founded ~8 months ago with 80k+ beta users and Product Hunt recognition; seed-stage (oversubscribed). Hiring two Full-Stack Engineers: a Front…

Encube Technologies is building collaborative, real-time software for manufacturing and is hiring Senior and Lead Software Engineers. Roles are hands-on and product-driven, focused on high-performance browser-based 3D rendering, compute-heavy CAD an…

Arbolus enables professionals who purchase B2B tech products to monetize their real-world experience through short consultations, surveys, and product knowledge exchange with top-tier investors and companies. Hiring senior full-stack engineers to wo…

Realm.fun is a game server hosting platform ("Vercel for game servers"). Role involves building the dashboard where players manage their servers, real-time features (console, metrics, player lists), payment/subscription flows, and infrastructure aut…

Location: Waterloo / Toronto — ONSITE (Hybrid OK). Carta connects founders, investors, and limited partners through world-class software, purpose-built for everyone in venture capital, private equity and private credit. Frontend Platform: You will o…

CVector builds software for real-time economic optimization and AI prediction for energy and manufacturing plants. Work includes creating intuitive web apps, machine learning models, backend systems, real-time data visualization and analytics, and A…

Coram AI is building an AI-powered video security platform that helps enterprises proactively detect and respond to real-world incidents. Work involves large-scale video data, real-time systems, and applied computer vision. Responsibilities include …

Established company (20+ years) hiring remote full-time engineers and developers. Seeking mature, self-motivated generalists who can work independently, communicate clearly in written English, reduce technical debt, build highly reliable systems, an…

Rinse provides dry cleaning and laundry delivery services to customers in twelve metropolitan areas in the US and Canada. The engineering team is distributed across the United States and internationally and has been entirely remote for years, though…

Building an AI notetaker and task management tool for financial advisors. Startup headquartered in NYC. Role is Senior Software Engineer on the AI team, based in St. Louis or NYC; if not in NYC, quarterly travel to the office is expected. Tech stack…

We're building the first AI wealth platform. Hiring senior+ software engineers to partner closely with our co-founders and engineering leadership team. We're a Series C company with ~90 people passionate about making wealth management better, faster…

Rivet is an AI marketing platform used by artists (e.g., Chance the Rapper, Major Lazer, John Legend) to boost D2C revenue and power direct-to-fan marketing and sales. The role is a founding/full-stack engineer position; the team is expanding from t…

Lightning AI (creators of PyTorch Lightning) is building the OS for AI and is hiring Senior Engineers across Full-stack, Frontend, Backend, and ML/Inference Platform teams for its New York City and San Francisco hubs. Roles are hybrid/onsite with a …

Stack Influence is a VC-backed, fully-remote, fast-growing creator marketplace connecting eCommerce brands with everyday social media users. Multiple full-time remote openings: Senior Full Stack JavaScript Developer (individual contributor, modern s…

Mainstay is a market intelligence platform for large real-estate operators. We’re an AI-native company focused on turning complex, messy, real-world data into systems customers actually trust to make financial decisions. Mainstay was incubated at Op…

Chestnut builds insurance carrier software replacing legacy distribution systems with real-time data, automated workflows, and AI tooling. Product engineering role: backend-heavy features around onboarding, compliance, payouts, and integrations (exa…

Cogram is an AI platform for the architecture, engineering, and construction industry. We automate project admin such as RFIs & submittals, email filing, field notes, meeting minutes, and reporting. World-leading architecture and engineering firms h…

Building an AI-guided financial platform with conversational AI to guide inexperienced users through the entire journey. Seeking a full-stack developer with AI/LLM experience for a co-founder/equity partnership role. Stack is mobile-first and includ…

We’re building the AI-powered infrastructure layer for small-business lending. Banks and fintechs use Omni to automate document collection, financial modeling, public-record research, and ongoing borrower communication. You’ll work on: 1) Wrangling …

Unit is building GTV, a new video platform that can autonomously produce high-quality, personalized content. Our team is from Instagram, TikTok, and NVIDIA. We're backed by Khosla Ventures, Air Street Capital, and angels from top AI labs. We have st…

Duranta is making a "business-in-a-box" SaaS for landscaping companies. We have a rather neat offline-first mobile application and a webapp. We also have a custom AI visual model to do estimations based on satellite imagery (we're not shelling out t…

Sheer Health is on a mission to demystify health insurance, healthcare and medical billing by using technology and advanced data analytics to provide personalized recommendations to save money, maximize plan benefits, track reimbursements, and avoid…

Hermes Health is building a platform to connect identified medical data sources and is hiring a Rust backend engineer. Backend is entirely Rust using Rocket; frontend currently TypeScript with React/Next but moving to Rocket via maud and Datastar (m…

Count is an infinite, real-time canvas where SQL, Python, and low-code query cells live side-by-side with visualizations and freeform whiteboarding. It replaces the traditional linear notebook with a collaborative space for modeling, analysis, and p…

We’re a small team of creative builders (ex-OpenAI, Pinterest, startups) crafting consumer products that feel personal, magical, and deeply human. We build for ourselves first, with the belief that what delights us will resonate with millions more. …

Waypoint AI is a Czech-American B2B startup building "Chip", an AI support engineer that autonomously triages, routes, and resolves complex technical support cases. Raised $3.1M and already in production with customers including Volvo and ClickHouse…

Starbridge is building an AI platform that turns large-scale public and enterprise data into reliable sales insights. Early-stage, high-ownership role. Product Engineer (React/Typescript): build performant, stable frontends, work closely with produc…

B2B SaaS pricing is still guesswork. We’re building the AI-powered monetization operating system to fix it. We are pre-seed, lean (4 people), and shipping to live customers. The Experience: This is a unique "fast-track" for an ambitious junior/mid-l…

Were expanding our team and looking for passionate individuals to join us in building innovative solutions for philanthropy in the DAF team (we provide the technology that runs the Charityvest DAF). Current openings include: Senior Software Enginee…

RepSpark is a SaaS B2B wholesale e-commerce platform for apparel, footwear, and accessories. They're hiring Full-Stack Product Engineers (Junior/Senior/Staff) to work across React/TypeScript and C#/.NET with PostgreSQL, modernize .NET Framework to .…

We build software to help cities, transit agencies, and state departments of transportation make better decisions based on how people move by processing large mobility datasets. Roles: Software Engineer (Applications) — work directly with user cohor…

Beacon AI builds intelligent systems that make aviation safer and more autonomous. We’ve completed multiple DoD programs and are expanding our team with exceptional technical leaders to push the boundaries of human-machine collaboration in the cockp…

We're building a fully automated agentic platform to help the construction industry optimize takeoffs, make better design decisions and reduce carbon emissions related to construction materials. We're a seed stage startup of 10. You'll be working on…

Atria Health is doubling the size of its Engineering team with roles across disciplines (product engineering, DevOps engineering, platform engineering, etc.). The team operates with rigor, empathy, and innovation to drive a shift from reactive sick …

We're simplifying global trade compliance and helping importers navigate the trade environment, starting with duty drawback—a tax recovery process that puts cash back into importers' hands. Our platform transforms messy trade data into actionable in…

We’re building a distributed, software-defined power plant: buildings, batteries, EVs, and on-site generation buying and selling power in real time (cloud control plane + embedded hardware + energy markets). Small, high-performing team. Own systems …

OpenRent is a VC-backed, profitable proptech company focused on improving the rental experience in the UK. The company lets a large volume of property, serving millions of users, and works across the rental journey including pricing models and prope…

Journee is a technology startup (founded 2020) building low-latency streaming technology and GPU fleet orchestration, working with brands like BMW, H&M, and Siemens. They are launching Ojin, a real-time generative AI platform providing APIs and infe…

Trunk is an a16z-funded Series A dev tools startup building a CI Reliability Platform to help engineering teams land code faster by addressing merge conflicts, flaky tests, and other frictions. Customers include Google X, Zillow, and Brex. Products …

Ezra is a venture-backed startup building at the intersection of sustainable finance and artificial intelligence. Building a platform to accelerate capital deployment into climate solutions and other world-positive investments. Seeking multiple seas…

Early-stage (pre-seed) VC-backed startup automating RFPs in the AEC industry. First full-time engineering hire working directly with founders to ship production code across the whole stack, including deep Microsoft Word/Office.js integration, orches…

We're building a unified platform for credit and financial data to power financial inclusion globally. Our mission is to unlock economic opportunities for consumers historically excluded from traditional credit systems by transforming diverse data i…

Maiven is the software platform automating home decarbonization. We're a small, mission-driven, venture-backed team with utility customers and multi-state contracts. Hiring two engineers: Full-Stack Engineer (NestJS, React, Tailwind, TypeScript, Pyt…

We make robots that autonomously construct buildings. We are currently developing and manufacturing our autonomous bricklaying system in the beautiful centre of Amsterdam. Our robots are already earning real revenue operating on construction sites a…

Lantern is building AI-powered revenue intelligence (agentic systems) to help B2B sales teams. Roles open: Senior Software Engineer (own end-to-end technical problems, optimize AI model efficiency, prompt engineering), Junior Software Engineer (work…

Build and maintain BoreDM's subsurface data management software handling borehole logging, lab testing, CPT data, and PDF digitization. Used by geotechnical firms and state DOTs. Seeking a full-stack engineer; interest or experience in local-first/o…

Intus is building the OS for PACE (the Program for All-Inclusive Care for the Elderly). We are seeking a lead to run a team and solve hard technical challenges at a hyper-growth startup. Stack: Node, React, TypeScript. You will grow faster in this r…

Build AI-powered systems that bring hyper-personalization to enterprise experiences (e-commerce, customer service, internal tools). Design and build high-scale systems behind search, recommendations, product discovery, and Generative AI. Craft clean…

Work in a small team (5 devs + 2 contractors) owning features end-to-end to build and evolve a SaaS product for international customers. Tech stack: React frontend (S3 + CloudFront), Java backend as a "lambdalith" on AWS Lambda (Java 25), serverless…

Fast-growing, profitable real estate company in India building technology for construction and real estate. Mission to build high-quality homes and deliver on time. Engineers have end-to-end ownership impacting supply chain, project management, and …

AI-first logistics technology startup. Role requires experience with Elixir or Erlang in production (or a polyglot engineer able to pick up new languages quickly), solid understanding of Postgres (beyond basic CRUD), and hands-on distributed systems…

PrairieLearn is an open-source assessment platform used by universities across the US. Small, profitable, early-stage (bootstrapped) company seeking an early-stage hire to work across the stack with meaningful ownership. Tech stack includes Node.js/…

Shepherd is an all-in-one commercial insurance platform (raised over $20M) expanding beyond commercial construction into adjacent sectors. Hiring in San Francisco, CA (onsite) for Senior & Staff-level Full Stack and Backend Engineers and two Product…

Goody is building a gifting product for businesses to recognize employees, retain customers, and accelerate sales. The product is used by companies like Google, Stripe, Anthropic, Meta, NBCUniversal, and Notion and includes a developer commerce API.…

Pre-seed startup building an AI assistant for sales that automates CRM updates, meeting prep, prospecting and follow-ups. Backed by founders/operators from Lovable, OpenAI, Neo4j, Creandum. Hiring: Founding GTM to own revenue and customer success en…