Posted 1 week, 5 days ago
We are building decentralized AI infrastructure: an inference platform for sovereign AI agents unifying orchestration, data, and compute. Small team, high ownership, real equity. Blockchain Engineer — Rust/Substrate L1 protocol development: custom p…
San Francisco, Berlin
Posted 2 weeks, 2 days ago
Prelude is an SMS API company (ex-Zenly founding team, backed by Seedcamp and Singular) focused on global verification messaging with high deliverability. Company ~50 people, customers include X, Sunday, BeReal. Hiring across Engineering (Go, Rust, …
Paris
Posted 2 weeks, 2 days ago
Common Prefix is a science-first blockchain consulting company (30-person team of scientists and engineers) making blockchains usable for mainstream users. Hiring software engineers, auditors, and support engineers. Software engineers should solve p…
Greece, Athens, Remote, Europe
Posted 2 weeks, 2 days ago
We're building AI-driven turrets that stop hostile drones - where robotics needs F1-level speed. We're looking for smart, T-shaped teammates: people who are experts in one area but happy to jump in wherever needed. Our software team is small, so eve…
Austin TX
Posted 2 weeks, 3 days ago
Mobasi builds autonomous AI agents for digital forensics. Our software orchestrates 150+ forensic tools to help law enforcement turn days of manual evidence analysis into minutes, aiding in cases involving child exploitation, trafficking, and homici…
Posted 2 weeks, 3 days ago
Estuary is a post–Series A, VC-backed, open-source startup focused on real-time data replication and transform for large-scale OLAP data flows. Hiring senior and staff backend engineers to own core systems for real-time data pipelines, a backend eng…
US-Based, Remote
Posted 2 weeks, 4 days ago
xAI's London team is hiring two onsite full-time roles. Backend Engineer: build and scale high-performance production systems powering grok.com and the xAI API; strong Rust (or C++) required; distributed systems experience a plus. Developer Experien…
London, UK
Posted 2 weeks, 4 days ago
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…
Paris, Remote (Europe)
Posted 2 weeks, 4 days ago
Think of github but for hardware design (PCB and Schematics design). Mission: bring modern workflows—version control, automation, and collaboration—to the hardware world and introduce AI to hardware design. Work on parsing complex ECAD formats (Cade…
Remote (US time zones)
Posted 2 weeks, 4 days ago
AllSpice is building a hardware development and collaboration platform (software for hardware design review, automated test, and AI-assisted workflows). The company is remote-first with flex offices in Somerville, MA and San Francisco. Hiring roles …
Boston, MA, San Francisco, Remote
Posted 2 weeks, 4 days ago
Chroma is the open-source search database for AI applications. It supports dense vector, sparse vector, regex, and full-text search. We support local, single-node, and cloud hosting. We're a team of 14, all engineers today. We work in Rust, Python, …
San Francisco
Posted 2 weeks, 4 days ago
Radar Labs is a geo-location developer tools company based in NYC (Union Square) and remote-friendly within the US. They handle 1B+ API calls per day and are hiring software engineers across SRE, data platform, backend, full-stack, and mobile roles.…
Remote (US), New York City (Union Square, NYC)
Posted 2 weeks, 4 days ago
Proton VPN enables millions of people to connect securely and privately, even in places where the internet is restricted or unreliable. Delivering that experience means our service must perform flawlessly under highly variable, real-world conditions…
Barcelona, Spain, Geneva, Switzerland
Posted 2 weeks, 4 days ago
Strobe is building the world's largest power plant — a distributed fleet of buildings, batteries, EVs, and generators buying and selling power in real time across wholesale energy markets. We need a senior engineer to own our data integration and cl…
Brooklyn, NYC, Newlab (Brooklyn Navy Yard)
Posted 2 weeks, 4 days ago
SpruceID (YC W21) | REMOTE (US-Based Preferred) | Full-Time | spruceid.com Spruce lets users control their data across the web. Instead of users logging into platforms, we believe platforms should request to access data vaults controlled by users. …
Remote (US-based preferred)
Posted 2 weeks, 4 days ago
Zed is a company for developers, by developers. All three founders have extensive software experience and still write code regularly. The company has raised $42M to pursue a vision of a new way to collaborate on software, keeping conversations about…
North America, South America, Europe
Posted 2 weeks, 4 days ago
Nuance Labs is building a human foundation model that understands and expresses human emotion in real-time across speech, facial expression, and body language. Small, fast-moving founding team (MIT, UW, Oxford) valuing in-person collaboration at Sea…
Seattle, WA
Posted 2 weeks, 4 days ago
SerpApi is the leading API to scrape and parse search engine results supporting Google, Google Maps, Google Images, Bing, Baidu, and more. Remote-first company based in Austin, TX. Hiring multiple positions including Junior to Senior Fullstack Engin…
Austin, TX, Remote
Posted 2 weeks, 4 days ago
We offer a strong engineering culture and are looking for engineers to design and optimize high-performance trading systems that power our periodic auction matching infrastructure. We build production systems in Rust and are seeking engineers with m…
NYC (HQ), London, Amsterdam, Flexible/Remote
Posted 2 weeks, 4 days ago
Foxglove is a platform for robotics and autonomy teams to collect, analyze, and learn from large quantities of multimodal data. They are hiring multiple software engineers (Rust, TypeScript) for roles based in San Francisco and remote in the US and …
San Francisco, Remote (US), Remote (Australia)
Posted 2 weeks, 4 days ago
Arcol (arcol.io) is a small, high talent density team building the future of building design - a future that's collaborative, fast, and intuitive. We're a web-native, fully collaborative 3D design tool modernizing the experience of architectural des…
New York City (NYC), San Francisco (SF), Remote (US/Canada)
Posted 2 weeks, 4 days ago
Smarkets runs one of the world’s most sophisticated prediction markets, handling over £29 billion in volume since 2010 and engaging 200,000+ traders globally. We’re a technology company that happens to revolutionise betting - from sports to politica…
Hybrid - Onsite (London, UK)
Posted 2 weeks, 4 days ago
Building a dynamic runtime on top of the Linux BPF sub-system. Looking for extremely talented/passionate Rust developers/Backend Engineers with a deep interest in Linux internals, Distributed Systems, Dev Tools, great developer experiences and syste…
Chicago, IL, Remote
Posted 2 weeks, 4 days ago
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…
San Francisco, CA
Posted 2 weeks, 4 days ago
MixRank is a fully-remote, US-incorporated data startup processing petabytes of web data with customers across major tech and enterprise industries. They hire continuously for generalist software engineering roles and junior engineer roles (remote, …
Remote (Global), United States
Posted 2 weeks, 4 days ago
Head of Engineering & Infrastructure: Fully own engineering and infrastructure teams, ensure platform performance and reliability for ~12 million members, free other leadership to focus on product and growth. Senior DevOps Engineer: Develop and impl…
Remote
Posted 1 month, 1 week ago
Fullstory provides privacy-preserving session replay and analytics for websites and mobile apps. They are hiring remotely in the US and for roles in Atlanta (1 day/week on-site), London, Bogotá, and Czechia. Open roles include Senior Software Engine…
Remote (US), Atlanta, London, Bogotá, Czechia
Posted 1 month, 1 week ago
Flok builds and runs automated physiotherapy clinics in the UK. Here's an article about us on the BBC: https://www.bbc.co.uk/news/articles/cy4y9xm1eejo We’re a real clinical service, using a novel DSL, interactive video UI, and other software to sc…
Cambridge, UK
Posted 1 month, 2 weeks ago
We are actively looking for multiple software developers or software engineers to join our team in the office (5 days/week). These positions primarily focus on our 5off software product (puzzles/games). There is zero expectation for you to be profic…
NYC, NY, USA
Posted 1 month, 2 weeks ago
Shinzo (https://shinzo.network) | USA/Canada + REMOTE | Multiple Full-Time Roles. We're building the read layer for blockchains. Shinzo embeds indexing directly into validators, turning blockchain data into a cryptographically verifiable public good…
USA, Canada, Remote
Posted 1 month, 2 weeks ago
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 /…
Boston, Downtown Boston near South Station
Posted 1 month, 2 weeks ago
Dusk Labs is a software development agency that helps early-stage companies kick-start their engineering operations, or mid-stage companies develop greenfield software projects. We're looking for a lead software engineer to help build a high perform…
Remote (US time zone)
Posted 1 month, 2 weeks ago
Zed is a company for developers building a high-quality code editor and an operation-based version control system to enable edit-level collaboration. The company has raised $42M to expand its product and is hiring remotely across North America, Sout…
North America, South America, Europe
Posted 1 month, 2 weeks ago
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, …
Palo Alto, San Francisco, Seattle, Memphis, New York City, London, Dublin, Tokyo, Dubai, Singapore
Posted 1 month, 2 weeks ago
Build and optimize a desktop voice interface and LLM workflows as part of a small engineering team launching a product for litigation. Responsibilities include reducing voice-interface latency, building LLM workflows with LangChain, owning code end-…
Posted 1 month, 2 weeks ago
Category Labs (formerly Monad Labs) is a team of systems engineers and researchers building decentralized technology and step-function improvements over existing blockchain solutions. After raising $225M in Series A funding led by Paradigm, the comp…
Posted 1 month, 2 weeks ago
Estuary | US-Based / Remote | Full-time – https://estuary.dev/ Estuary is a VC-backed, post–Series A startup powering right-time data replication and transform — from sub-second CDC replication to terabyte-scale OLAP data flows. We’re open-source, d…
US-Based, Remote
Posted 1 month, 2 weeks ago
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…
REMOTE (Global)
Posted 1 month, 2 weeks ago
Kyber is an open-source SDK and platform to control remote machines, from Remote Desktop to Robots Teleoperation/Teleobservation. Kyber is a multi-stream and multi-actuator transport in extremely-low latency, over Quic; it encloses the server, the c…
Paris area (hybrid), Remote in Europe
Posted 1 month, 2 weeks ago
Smarkets is a betting exchange for sports and political trading that has handled over £37 billion in volume since 2010. Company mission: to fix the betting industry with the best products and best prices. Multiple open roles listed including backend…
Hybrid - Onsite (London, UK)
Posted 1 month, 2 weeks ago
Radar is a geo-location developer tool handling 1B+ API calls per day. Main languages are Rust and TypeScript; they also use Python, Scala, and Terraform. Based in NYC with HQ in Union Square and remote-friendly within the US. Projects include Horiz…
Remote (US), New York City
Posted 1 month, 2 weeks ago
BitRipple is hiring two Senior Software Engineers to build the next-generation network communication layer for AI, focusing on squeezing out GPU idle time during LLM training with accelerated RDMA communication across clusters. Roles: (1) Network la…
USA, Remote (prefer domestic USA but open to Non-Restricted Countries)
Posted 1 month, 2 weeks ago
NEW ROLE FOR EXCEPTIONAL NEW GRADS OPEN Spruce lets users control their data across the web. Instead of users logging into platforms, we believe platforms should request to access data vaults controlled by users. The demand for trusted digital ID …
Remote (US-based preferred)
Posted 1 month, 2 weeks ago
Proton (privacy & productivity) is hiring multiple full-time, Europe-based (hybrid onsite) roles, primarily Mail desktop-related positions and other product roles. New Rust-based client architecture. Job listings hosted on Greenhouse.
Europe, hybrid ONSITE
Posted 1 month, 2 weeks ago
Evervault's mission is to make world-class data security effortless and pervasive. They use applied cryptography to secure sensitive data in areas like payments, banking and healthcare, and build products using encryption and confidential computing …
New York, London, Dublin, Remote
Posted 1 month, 2 weeks ago
MiLaboratories is hiring on-site in Bilbao for high-performance genomics platform roles. They seek engineers to build a Desktop Platform/SDK in TypeScript integrated with a Rust data layer, distributed high-load systems in Go, and a Bioinformatics D…
Bilbao, Spain
Posted 1 month, 2 weeks ago
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…
Posted 1 month, 2 weeks ago
AllSpice.io is an all-remote company building a GitHub-like platform for hardware design (PCB and schematic design) with a mission to bring version control, automation, collaboration, and AI to hardware workflows. Tech stack and infrastructure menti…
Remote
Posted 1 month, 2 weeks ago
Tech stack: Rust | ScyllaDB | k8s | Python | Postgres | Elasticsearch | Terraform. Role: Build and operate distributed database systems and data platform services that store all of the data for Discord's 200M+ users. Solving problems around performa…
SF Bay Area (Hybrid)
Posted 1 month, 2 weeks ago
Hiring engineers for the Cloudflare Data Platform. Work includes streaming ingest and processing, managed Iceberg catalogs, and a distributed query engine—built on R2 and the Cloudflare Edge to make it easy for customers to build data lakes. Looking…
Posted 1 month, 2 weeks ago
Chroma is the open-source search database for AI applications. It supports dense vector, sparse vector, regex, and full-text search. We support local, single-node, and cloud hosting. We're a team of 14, all engineers today. We work in Rust, Python, …
San Francisco
Posted 1 month, 2 weeks ago
First hire outside the three co-founders to own infrastructure, DevOps, and compliance. Transition build pipeline from manual updates to automated delivery scaling to thousands of agencies. Manage infrastructure across AWS, GCP, Azure and AI provide…
Posted 1 month, 2 weeks ago
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…
Posted 1 month, 2 weeks ago
At E2B, we're building an open-source computer for AI agents that can run massive numbers of models in milliseconds. We're a Series A startup with strong revenue and funding (raised over $37M), scaling fast with customers ranging from startups to en…
San Francisco, Bay Area, Prague (CZ), Europe
Posted 1 month, 2 weeks ago
We're building an open source AI image and video crafting tool, aiming to take on the likes of Adobe, Figma, Blender, and more. The tool is similar to AI aggregator tools like FreePik, Higgsfield, etc., but we're making our tools open source and we …
Atlanta, Remote
Posted 1 month, 2 weeks ago
MixRank (YC S11) | Software Engineers | 100% REMOTE (Global) | Full-Time MixRank processes petabytes of data every month from web crawling. We have hundreds of customers using our data products including Google, Amazon, Facebook, Intel, and Adobe, a…
100% REMOTE (Global)
Posted 1 month, 2 weeks ago
Foxglove is an observability and data platform for robotics and physical AI. Multiple open full-time roles including various software engineering positions (backend, frontend, data, visualization, WebGL/WASM, Rust), product management for data platf…
San Francisco, Remote-friendly
Posted 1 month, 2 weeks ago
yeet | Chicago, IL / Remote | Full-Time Building a dynamic runtime on top of the Linux BPF sub-system. Looking for extremely talented / passionate Rust developers / Backend Engineers with a deep interest in Linux internals, Distributed Systems, Dev …
Chicago, IL, Remote
Posted 1 month, 2 weeks ago
Arcol is a small, high-talent-density team building a web-native, fully collaborative 3D design tool to modernize architectural design for teams. The role seeks senior engineers with experience in modern web technologies and a strong ownership minds…
NYC, SF, Remote (US/Canada)
Posted 1 month, 2 weeks ago
AOM is seeking a Software Engineer to lead development of a computer-vision-based advanced metrology system. The role owns core system development spanning high-level scientific computing and low-level hardware control, and includes on-site system d…
Posted 1 month, 2 weeks ago
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 …
Brooklyn, NYC
Posted 1 month, 2 weeks ago
Charted Sea is a small, bootstrapped SaaS company focused on scraping complex platforms (e.g., Shopee) and solving hard technical problems like anti-bot, browser automation, fingerprinting, and captcha solving. Hiring a senior engineer to take owner…
Hong Kong, Remote
Posted 1 month, 2 weeks ago
I’m hiring for some (IMHO) really fun product manager roles on Cloudflare’s Developer Platform (workers.cloudflare.com). Roles include: Workers Runtime - Set vision for our V8 isolate based runtime that lets people deploy JS, TS, Rust and Python to …
New York City, Austin, London, Lisbon, San Francisco, Seattle
Posted 1 month, 2 weeks ago
Head of Engineering & Infrastructure: Own engineering and infrastructure teams, ensure site performance and reliability for 12M+ members, and enable leadership focus on product and growth. Senior DevOps Engineer: develop and implement infrastructure…
Remote
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