React Jobs

Manual workflows are a major bottleneck in substance use facilities, slowing down treatment, leading to clinician burnout, and worsening patient outcomes. Our tool seamlessly integrates with any EHR, eliminates tedious and repetitive workflows, and …

We are a mission-driven company, dedicated to making an impact on millions of users seeking help and support in moments of crisis. Our software engineers develop next-generation data platforms that transform how individuals connect with volunteer cr…

We're building an AI-first insurance company from scratch. Not just adding AI to existing processes - we're automating the entire insurance value chain. Think of it as rebuilding the insurance stack with code instead of paperwork. I'm part of the en…

Kaedim is an AI startup building ML algorithms that turn images into digital 3d models. We are a group of ~10 looking to grow the team to help streamline 3d content creation for 3d artists and are already working with 1 of the top 10 games of all ti…

At Volta Circuit, we specialize in developing secure and innovative smart contracts that empower users to take full control of their digital assets through enhanced self-custody solutions. We believe in providing companies with the tools and technol…

Powering the next generation of maps & digital twins. You'll be working on TerriaJS, an open source geospatial data visualisation platform (Cesium, React, MobX). Helping automate and transform the way we process and catalog data in the cloud.

Millions of messy unstructured real estate data points. Thousands of edge cases. One mission to make it all sing. We're building the infrastructure to turn chaotic real estate data into precise location intelligence - backed by Y Combinator, General…

We're building the next generation of brand-first advertising using Gen AI. Our platform helps marketers launch and optimize campaigns 10x faster than they do today. As our Senior Frontend Engineer, you'll own our frontend architecture from the grou…

automotiveMastermind (an S&P Global Company) is hiring a hybrid/onsite Senior Software Engineer in New York. We are looking for strong expertise with React on the Front End and some experience with C#/.Net on the Back End. Tech Stack - We have a clo…

We are looking to hire multiple senior engineers to work on our suite of products. You'll be either working on our web platform or on our CLI/Firewall product directly. Joining a small but strong team. Working with engineers from Google, AWS, Micros…

Eureka Surveys (eurekasurveys.com) is one of the largest survey panel in the US, connecting Fortune 500 companies with the opinions of everyday people. We're a small, engineering-first team with a massive user base (9 million and growing!), and we'r…

We are looking for a hands-on Senior Engineering Manager with experience building cross-border payment systems who is eager to join on the ground floor of the stablecoin revolution. Beam is a next-generation payments platform leveraging the latest a…

We are Journee, we create the beautiful internet. Our platform and services are the leading enterprise solution for immersive online experiences. We connect people, brands and AI models in high quality real-time interactive experiences that you can …

We're seeking a Senior Full Stack Developer to join our team and play a crucial role in modernizing our e-commerce platform. This is a unique opportunity to lead the technical evolution of our product, focusing on reducing tech debt, implementing mo…

We're seeking a Senior Full Stack Developer to join our team and play a crucial role in modernizing our e-commerce platform. This is a unique opportunity to lead the technical evolution of our product, focusing on reducing tech debt, implementi…

We're seeking a Senior Full Stack Developer to join our team and play a crucial role in modernizing our e-commerce platform. This is a unique opportunity to lead the technical evolution of our product, focusing on reducing tech debt, implementing mo…

Neptune helps couples build their financial future together. We’re starting with prenups. We combine conversational AI with vetted experts to make complex financial decisions simple and accessible.

Close is a bootstrapped, profitable, 100% remote, ~100 person team of thoughtful individuals who prioritize taking ownership and making a meaningful impact. We’re eager to make a product (Sales CRM Software) our customers fall in love with over and …

At Findigs, we’re transforming the rental experience—making it fairer, stress-free, and more convenient by changing the fundamentals of renting. We build high-scale applications that streamline renting for millions. Our modern tech stack includes Py…

Digital Onboarding is a marketing automation platform that helps banks and credit unions modernize their onboarding process and develop mutually beneficial, profitable relationships with their customers and members.

Chainsage is a cryptoasset market maker. We're a small team of engineers and traders taking on the challenge of providing liquidity to crypto markets. If you get a kick out of quickly shipping things which move the needle immediately without any bur…

Materialize is a cloud operational data store (ODS) enabling fast, incremental, and consistent transformations of live data using SQL. We’re hiring a Senior Software Engineer as a member of our Cloud Infrastructure team, which owns and operates our …

Four billion people do not have access to the internet. Astranis is going to change that. We are building the next generation of smaller, lower-cost telecommunications satellites to bring the world online.

Opus Logica, a venture tech company, is seeking an experienced and highly motivated Full Stack Developer to lead and manage development teams while driving project success. This role requires strong technical expertise in full-stack development and …

Pincites uses AI to help legal teams identify negotiation patterns, align with GTM teams, and streamline contract reviews. Our mission is to close deals faster by transforming legal into a strategic partner through transparent, automated workflows t…

We are Lightdash, an open source BI and analytics dashboard. We have recently closed our series A and are actively hiring for senior full-stack engineers with experience in Typescript+React+Node+SQL. Bonus points for experience in data-related compa…

As a full-stack software engineer at Floryn, you’re joining us in building a fintech company which provides fast and easy access to credit for small and medium sized businesses. We’re somewhat like a bank, but without the bureaucracy and the white c…

Building a next-gen payment orchestration platform. We’re a tech incubator/investor backed by successful implementations across fintech, e-commerce and enterprise software.

Cloudist helps partners to offer Green Cloud services to their customers. The product you'd be working on would be a portal backed by an API allowing for clients to spin up VMs, provision S3-compatible storage buckets etc. Think AWS Console and API,…

Anterior is improving the experience of healthcare for everyone. We’re working on the cutting edge of using technology to make clinical decisioning frictionless, starting with prior authorization. We’re growing fast and need all the help we can get!…

We’re a small but mighty startup in commercial real estate tech, building something people actually want. Our marketplace has already gained significant traction, with over $40B in loan quotes processed. We’re looking for a senior full-stack develop…

TileDB is the database designed for discovery, built to organize, structure, and analyze any data. Our solutions for single-cell and population genomics are used by major pharmaceutical companies and research institutes, and power large public data …

VC-Backed startup Coefficient is a fully remote, Series A SaaS startup based in the SF Bay Area. Started by repeat founders with successful past exits, Coefficient has raised $24.7M from Battery Ventures, Foundation Capital, S28 Capital, and promine…

Pomelo Care is a multi-disciplinary team of clinicians, engineers and problem solvers who are passionate about improving care for moms and babies. We are Series B, with some notable investors like First Round and a16z. As an early member of our engi…

Aleph is redefining the world of Financial Planning & Analysis (FP&A). We operate in a well-defined software category with a multi-billion TAM, yet a lack of a clear winner. We’re here to change that, and our early results speak for themselves. We’r…

CrossnoKaye is a California based early-stage start up that is mission driven to have a measurable impact on climate change through revolutionizing the heavy industrial sector. We have had extreme success through our Energy AI application which save…

Objective is to beat Google and to have some fun along the way :-)

Do you care about contributing to open-source, and appreciate a good challenge? We do too! :) We are a team of veteran open-source developers, working on educational and community-based projects in an open-first environment – and we are looking for …

We're building technology that sends data through mud - literally. Our telemetry systems operate at extreme depths, temperatures, and pressures, serving both traditional drilling and pioneering sustainable energy applications like geothermal power. …

You'd be working with engineers who previously worked at Google, Amazon, Helsing, Darktrace and an F1 team. We build drones (software and hardware). We're looking for engineers that straddle real world problems, and use technology as a solution. We …

We are looking for candidates that are excited to join us on a mission to build a web economy for AI agents. All of our roles are fully-remote.

Artificial Analysis is an independent AI benchmarking and insights provider. Our benchmarks help engineers and companies understand AI and make informed decisions on AI technologies and providers.

We're a health AI company rethinking healthcare claims with transparency and fairness at the core. Hiring across our NYC and London offices (with remote options for exceptional candidates).

Ever dream of building the cockpit tech of the future? At Beacon AI, we’re creating what we like to call an R2-D2 for pilots. We are building intelligent, real-time technology for flight decks to make aviation safer, more efficient, and more accessi…

Hi! We’re Paperless Post, and we help people celebrate moments that matter with our customizable, design-forward digital invitations. The PP Engineering team, a highly collaborative group of developers and technologists, is charged with building and…

We build voice AI agents for customer service over the phone. Our goal for 2025 is to open source a SOTA speech llm for customer service use case as opentalk.org. We currently operate on the Polish and US market focusing on financial services indust…

We are building a future where anyone can make music by using a simple prompt or lyrics. We’re scaling our engineering team and hiring for the following roles.

We are seeking an experienced and capable Software Engineer to work with our CTO and be a leader on our growing technical team and take ownership of development of our platform, as well as mentor junior engineers. We're looking for someone with stro…

Count is like Jupyter, Tableau and Miro combined in one tool. Some of the world's leading data teams use it for everything from iterating data models and performing in-depth analyses to creating process flow maps of their entire business. We're a sm…

We are building software to help landscapers design, sell and maintain beautiful spaces. Millions of acres a year are converted into urban dwelling spaces, and we want to help make them as beautiful and as ecologically friendly as possible. Duranta …

Layer Health is an AI/ML startup spun out of MIT by David Sontag, leveraging LLMs to transform how clinical data is understood and used. Our systems are actively deployed in life science companies and major healthcare systems, providing an AI layer …

We’re building a platform for zero-knowledge infrastructure automation. Zero-knowledge proofs are a cryptographic primitive that break the decentralization/scalability tradeoff. Sindri already powers some of the largest zk-based chains and apps in W…

Meister is the company behind the productivity tools MeisterTask & MindMeister. Our products are built on Ruby, Elixir, and React and we are looking for 3 full-stack engineers to join our team of 50 engineers. We value flexibility, both in where we …

Building infrastructure to recover $1T worth of materials landfilled globally. Platform enables brands to recover materials directly from customers. Backed by Kindred Ventures (Coinbase, Perplexity) and Floodgate. We're looking for: • Solid programm…

We are the largest streaming guide in the entertainment industry and the team I'm leading is looking for our first frontend hire. We are looking for a senior frontend engineer to build up the foundation (React, TypeScript) of a new internal tool, us…

AI is a platform shift. One spreadsheet will emerge as the new hub for 1bn+ people and their data. That spreadsheet is Sourcetable. We're playing with agents, autonomy, COT, all popular closed & open source models, and growing fast. Experienced team…

Rentana is building AI-powered revenue management software for the multifamily housing industry. We help property owners and managers optimize rental pricing and improve occupancy rates through data analytics and machine learning. We're looking…

We recently released our biggest model yet, Colosseum-355B (MMLU 5-shot: 82,04), and we've become the first AI Unicorn in Italy, last summer. We're also creating our own $1B supercomputer of 115 exaflops (FP4), around summer 2025. Our goal is to ena…

Cogram is an LLM-based productivity platform for architecture, engineering, and construction (AEC). Our product automates a growing number of AEC workflows such as meeting notes, site visits, project administration, and RFP bidding. We're looking fo…

Trunk is an a16z funded dev tools startup, redefining software development at scale. We aim to solve problems that developers hate by bringing the tools usually built in-house at the best engineering orgs to every development team. We’ve built 4 pro…

Doctors are overworked, burnt out, and are quitting in masses. I'm head of engineering at Freed, where we combine clinician love with the latest AI tech and intense execution to create products that make clinicians happier. Our first product is an A…

We’re an AI phone agent startup ensuring businesses never miss - or mishandle - a call. Looking for a driven BDR with 3+ years B2B sales experience (SaaS/telecom is a bonus). You’ll own the entire sales cycle—prospecting, demos, closing—and earn unc…

Peregrine exists to help public safety organizations better protect their communities and the privacy of those they serve.

We’re building the easiest way to extract data from the web and build AI agents. Our no-code SaaS platform lets anyone turn a website into a spreadsheet or API in minutes. 500,000+ users and 50 Fortune 500 co’s rely on us and we’ve grown to ~US$2M A…

Rechat is the leading AI-powered operating platform for real estate brokers and agents. Think Shopify for real estate—a mobile-first super app with marketing automation, workflow management, and everything agents and brokers need to run their busine…

Great Question is a unified customer research platform used and loved by teams at companies like Figma, Canva & Brex. Our platform makes it easy for anyone to recruit research participants, schedule customer interviews, and share what you learn with…

Seeq creates cutting-edge data analytics software for industrial process data, serving sectors like pharmaceuticals, energy, and manufacturing. Our core product is a robust calculation engine capable of executing advanced math and machine learning a…

Delfina provides a leading pregnancy care data platform to improve maternal and child health outcomes. Our motivating challenge is the fact that in the United States, healthcare outcomes for pregnancy are significantly worse than in other similarly …

Schoolhouse.world is a non-profit startup founded by Sal Khan with the mission of connecting the world through learning. Our peer tutoring platform empowers learners everywhere with free online tutoring over Zoom. We currently have over 100K users f…

At Gigs, we’re building for SIM Cards what Stripe built for payments. If you enjoy working on challenging problems in a space that has a lot of room for new ideas and abstracting complexity, this is your spot. Gigs has recently raised a $73M Series …

We're building automation software for the $7T insurance industry, accelerated by AI. Seed stage in terms of headcount (< 20 people) but Series B in terms of business traction (+ cash-flow positive). We've intentionally stayed under the radar. Produ…

Trunk Tools creates software to make construction more efficient and cost effective, we have significant revenue and are growing extremely quickly! We’re a team with prior experience at SpaceX, PlanGrid, Carta, Y Combinator, LinkedIn, Uber, etc. We …

We are a TechStars NYC ‘24 startup dedicated to modernizing home healthcare with advanced AI tools and we are growing! This is a pivotal hands-on role that will begin shaping our product from day 1. Last summer we closed our Seed round from top heal…

Rinse provides dry cleaning and laundry delivery services to customers in nine metropolitan areas in the US. We have sophisticated logistics optimization software, a polished consumer product, and firm business fundamentals. We’re now over a decade …

Gentrace helps the most impactful companies in the world like Quizlet and Webflow systematically test and evaluate their AI applications.

Want to have a positive impact on society? Pioneer the Future of AI-Powered Matchmaking. Tawkify is revolutionizing dating by combining human intuition with AI, and we're looking for exceptional full-stack engineers to help rewrite our entire produc…

We are a startup in the Wealthtech space looking to hire our 4th engineer. We are looking for a highly experienced fullstack engineer to join our team. This is a great opportunity if you are looking to build something that leverages agentic AI to de…

At Packfleet we’re bringing the experience of receiving a package into the 2020s with modern tech, real-time tracking and updates, seamless integrations and great customer experience. We have a small team of 6 engineers with experience at some of th…

Music for health and wellbeing - we're working with leading scientists at MIT, NYU and UPenn alongside a roster of composers & producers to create validated music to improve health and wellbeing. We are on course to enhance the effectiveness & effic…

Marker is a new technology joint venture from 3 leading communications agencies. We’re an incubator building and launching force-multiplying software products for our clients and teams. Our first product is Delve — a coverage monitoring, analysis, a…

At Tandem Health we’re building a clinician copilot to allow clinicians to focus on care rather than administration. We’re building, launching and iterating quickly, and already have more than 200 organizations using our product. Our core product li…

Sigma Squared is a mission-driven data science platform for making better people decisions. Companies use our software to make better hiring and promotion decisions - based on merit, not intuitions. This leads to fairer outcomes and less bias. We re…

yhangry is a marketplace for private chefs. We are yc-backed (Michael Siebel investing in the latest round). Company size ~10 people (3-person dev team). We're hiring some rockstar senior developers/tech leads to lead our b2b2c rollout in 2025! Requ…

We're building automation software for the $7T insurance industry, accelerated by AI. Seed stage in terms of headcount (< 20 people) but Series B in terms of business traction (+ cash-flow positive). We've intentionally stayed under the radar. Produ…

BetterBrain is at the forefront of dementia prevention. We offer the most comprehensive platform to help our members prevent neurodegenerative diseases and optimize their cognition. We're rapidly growing and are seeking a talented Software Engineer …

Absinthe Labs is scaling Web3 loyalty and engagement, with over 20M visits and 2M+ users since our founding in 2022. We built the first Web3-native customer data platform, and we’re now seeking a Senior Frontend Engineer to design and lead our admin…

We are looking for a full-time Frontend and Backend Engineer to build out Godel Terminal, a professional web-based financial terminal software offering comprehensive financial and investment data.

Doctors are overworked, burnt out, and are quitting in masses. I'm head of engineering at Freed, where we combine clinician love with the latest AI tech and intense execution to create products that make clinicians happier. Our first product is an A…

Pioneer the Future of AI-Powered Matchmaking. Tawkify is revolutionizing dating by combining human intuition with AI, and we're looking for exceptional full-stack engineers to help rewrite our entire product suite. We are looking for seasoned full s…

What would a healthcare system freed from the yoke of history look like? It would be outcome-driven, certainly. Propelled by human dignity rather than by profit. Upheld by a network of compassionate experts actively working to increase medical liter…

We are Lightdash, an open source BI and analytics dashboard. We have recently closed our series A and are actively hiring for senior full-stack engineers with experience in Typescript+React+Node+SQL. Bonus points for experience in data-related compa…

Flexhire is a modern 3-in-1 HR platform, ATS and talent network that helps our clients scale their businesses faster, leveraging cutting edge AI and science-based hiring best-practices. Our clients include Fortune 500 companies and venture backed st…

Iris is a company that sits at the intersection of AI and Robotics. Iris brings AI superpowers to your camera. With intelligent framing, remote control, image settings corrections, and visual effects, Iris integrates directly with Pan Tilt Zoom (PTZ…

Trunk is an a16z funded dev tools startup, redefining software development at scale. We aim to solve problems that developers hate by bringing the tools usually built in-house at the best engineering orgs to every development team. We’ve built 4 pro…

Peregrine exists to help public safety organizations better protect their communities and the privacy of those they serve.

Make Waves is building a kinder, more helpful platform for independent artists to release their music and build a following. By providing artists with easy-to-understand tools and insights in a notoriously over-complicated industry, we want to empow…

Building a no-code AI platform for the construction and civil engineering sector. Develop and maintain scalable, high-quality frontends using React (or similar). Write clean, performant JavaScript and TypeScript code. Collaborate with our CTO to bri…

Anterior is improving the experience of healthcare for everyone. We’re working on the cutting edge of using technology to make clinical decisioning frictionless, starting with prior authorization. About You: You have a passion for doing things The R…

Digital Onboarding is a marketing automation platform that helps banks and credit unions modernize their onboarding process and develop mutually beneficial, profitable relationships with their customers and members.

ModPhone is redefining business communication by enabling companies to leverage AI-driven agents for smarter, more efficient phone interactions. Our platform processes thousands of phone calls daily, offering businesses a seamless way to stay connec…

Great Question is a unified customer research platform used and loved by teams at companies like Figma, Canva & Brex. Our platform makes it easy for anyone to recruit research participants, schedule customer interviews, and share what you learn with…

We're building the next generation of brand-first advertising using Gen AI. Our platform helps marketers launch and optimize campaigns 10x faster than they do today. As our Senior Frontend Engineer, you'll own our frontend architecture from the grou…

You'd be working with engineers who previously worked at Google, Amazon, Helsing, Darktrace and an F1 team. We build drones (software and hardware). We're looking for engineers that straddle real world problems, and use technology as a solution. We …

Bitnomial is looking for a Senior Frontend Engineer to join our team. Bitnomial is a US based, CFTC licensed and regulated derivatives exchange, headquartered in Chicago. Bitnomial develops and operates exchange, clearing, and settlement infrastruct…

We are building a future where anyone can make music by using a simple prompt or lyrics. We’re scaling our engineering team and hiring for the following roles.

UFODrive is expanding its world’s first end-to-end eMobility platform - UFOFleet. We combine cutting-edge technology with a user-first mindset to create tools that empower businesses to streamline operations and scale smarter. We’re looking for a Fu…

We're building an AI spreadsheet and application platform for the next billion people. We are most commonly compared to Sheets/Gemini and Excel/Copilot, or referred to as 'Cursor for Spreadsheets'. If you are an excellent full-stack engineer (React/…

We&#x27;re looking for a senior front end engineer to join our mighty and growing team. We&#x27;re transforming the way data analysis is done in the enterprise and already have some amazing customers and are growing rapidly. This person should have …

At Klyo AI, we’re building the AI-powered data and marketing assistant for small businesses, starting with the med spa space. Forget dashboards, charts, and data tools—our AI seamlessly connects fragmented data to provide actionable insights, next s…

Hey HN, we’re looking for full stack engineers and generalists over at Primitive Instruments Corporation. At Primitive, we make tools that help hardware engineers ship faster. We work with companies building next-gen silicon to startups building sma…

Count is like Jupyter, Tableau and Miro combined in one tool. Some of the world's leading data teams use it for everything from iterating data models and performing in-depth analyses to creating process flow maps of their entire business. We're a sm…

Rinse provides dry cleaning and laundry delivery services to customers in nine metropolitan areas in the US. We have sophisticated logistics optimization software, a polished consumer product, and firm business fundamentals. We’re now over a decade …

We are a small, worker-first, fully-remote, SF-based, boutique indie tech agency. Our leadership staff are ex-Fortune 100; everybody codes. Notable recent projects: voltagepark.com and a Slackbot for Anduril’s employees. Culturally, we look for self…

Layer Health is an AI/ML startup spun out of MIT by David Sontag, leveraging LLMs to transform how clinical data is understood and used. Our systems are actively deployed in life science companies and major healthcare systems, providing an AI layer …

QumisAI is the only lawyer-built AI platform transforming insurance knowledge work. Our mission is to provide the most accurate AI solutions for the insurance industry. We are already trusted by five of the 15 largest U.S. insurance brokers, leading…

We believe everyone deserves a chance to improve their financial future. We’re dedicated to building simple and inclusive financial products that help our members create healthy habits and achieve economic stability. We are looking for more Senior E…

Help us build the best OCR / document extraction on the planet! The main things we spend our time on: 1. Wrangling LLMs into providing predictable outputs 2. Running document extractions at scale 3. Building training data for vision models. If you'r…

At Tandem Health we’re building a clinician copilot to allow clinicians to focus on care rather than administration. We’re building, launching and iterating quickly, and already have more than ~100~ 200 organizations using our product. Our core prod…

We are building the ESG Suite, a B2B SaaS platform for ESG strategy management. We&#x27;re hiring a Founding Full-Stack Engineer to help us design, implement, and scale our platform. Responsibilities: Build APIs with Python (FastAPI), develop fronte…

MyAlloy is on a mission to revolutionize menopause healthcare for women over 40. Recognizing the lack of effective solutions for the 47 million women entering menopause annually, MyAlloy provides evidence-based solutions and expertise to help women …

At claimsforce, we are passionate about building insurance software that solves problems. We develop software that transforms the way insurances use technology for claims management and make use of their data. We are working on the cutting edge of l…

Hey this is Brian from Gain Compliance, we've had success hiring out of a hacker news thread before, so let's give it a spin again. We are a small company that builds financial reporting tools for the insurance industry. While the domain might be fo…