2,916 Founding Engineer jobs
Founding engineer roles building the first product at early-stage startups.
Software Engineer
Senior software engineer at Polyaxon (Berlin, remote-friendly) building a cloud-native machine learning automation platform. Day-to-day work spans backend and/or frontend web development and scaling ML experimentation, parallel jobs, and hyperparameter tuning on Docker, Kubernetes, and cloud-native infrastructure.
Senior Software Engineer
Village Labs (early-stage, remote US) is hiring a Senior Software Engineer to build Coworker, an enterprise AI product that creates a context graph across a company's systems. Day to day: full-stack development in Go, TypeScript, and Python, hands-on AI systems work, mentoring junior engineers, and shaping early technical architecture. $160k–$200k.
Software Engineer (Mobile, React Native/Flutter)
Senior mobile engineer at Vested Finance (a US investing platform for Indian investors) building and maintaining high-performing cross-border fintech mobile apps. Day to day: architecting, coding, and shipping features with React Native/Flutter alongside native Android/iOS tooling, while collaborating with product, design, and data teams.
Senior Software Engineer, Royalties (Fully Remote, US and Latin America only)
Senior Software Engineer on Molten Cloud's Royalties team, building correctness-critical financial logic including a flexible royalty waterfall engine and general ledger features in Python on MongoDB. Fully remote within the US and Latin America only; posted salary applies to US-based candidates.
Software Engineer
Full-stack software engineer at Glammatic (SaaS that automates websites, SEO, social media and an AI receptionist for salons/spas), supporting Customer Success: building customer-facing tools, internal automations and AI knowledge-base docs, plus handling technical support calls. Stack includes React/Next.js, Python/Django, Postgres and AI-assisted dev tools.
Lead Software Engineer
Lead and mentor a team of engineers building Molten Cloud's media rights, content, and royalties platform, owning features end to end across the full stack. Core work is in Python and JavaScript, with bonus-stack experience in Vue.js, TypeScript, MongoDB, AI/LLMs, and DevOps. Fully remote.
Senior Software Engineer (fully remote domestically in USA)
Senior Software Engineer at Molten Cloud will own and build modules of its media rights/licensing platform end to end—backend, frontend, cryptography and data transmission—in Agile sprints, testing for accuracy and scalability. Core stack is Python, JavaScript, and MongoDB, with Vue.js, API documentation, and DevOps as pluses. Fully remote within the USA.
Senior Software Engineer
Senior full stack engineer at a pre-Series A startup building an AI-powered ERP/CRM platform for chemical distributors. Day to day: design and ship core ERP features (orders, inventory, cost tracking, embedded AI insights) across TypeScript, React/Next.js, Prisma, PostgreSQL, tRPC, and AWS, on a hybrid NYC schedule.
Software Engineer
Senior full-stack engineer at Adronite, a Seattle AI startup building a platform that gives AI deep structural understanding of massive enterprise codebases, deployed on-premise in air-gapped environments. You'll architect and ship features across AI ingestion pipelines and developer-facing tools, working directly with the founding team.
Software Engineer
Fullstack Engineer with 8+ years of experience to build scalable distributed solutions for an insurance data platform using Ruby, TypeScript, Angular, and Terraform.
Software Engineer
Full-stack/blockchain engineer at Coinbag, a well-funded startup building automated cross-chain crypto interest optimization. You work across the entire codebase — smart contracts, infrastructure, automation, and security — in a language-agnostic way using Scala, Node.js, Python, Solidity, and Haskell across chains like Ethereum, Terra, Cardano, Solana, and more. 100% remote.
Software Engineer
Build and scale Venura.ai's edtech platform with a focus on infrastructure and agentic AI engineering. Day-to-day is web/cloud backend work — databases, caches, responsive systems — plus LLM API integration; preferred stack includes Python/Flask, Node.js and NoSQL. Pays $140k–$220k plus equity.
Principal Software Engineer
Principal Software Engineer at Beam Health to build and scale its healthcare software platform — shipping full-stack features (frontend, backend, APIs, infrastructure), integrating with external healthcare systems, and using AI coding tools to move fast without sacrificing quality. NYC or remote; $200k–$250k plus equity.
Software Engineer – Physical AI Platform Integration
Hands-on engineer owning the software path for Lyte's LiDAR and camera perception on real robots: sensor drivers and ROS 2 packages, CUDA/GPU-accelerated processing, time sync, calibration and end-of-line test tooling, plus the Docker and GitLab CI/Jenkins platform shipping it all to NVIDIA Jetson and x86 GPU platforms. Expert C++ and Python required.
Software Engineer
Front-end-focused software engineer at Medley Learning building a React/TypeScript Chrome extension that layers AI-generated reading and writing scaffolds onto the pages schools already use for multilingual learners, while also working on its Node.js/MongoDB data layer, APIs, and AI-support quality on a small startup team.
Software Engineer - Member of Technical Staff (Consumption Team)
Software engineer on Mithril's Consumption team building the developer-facing product, billing, and API surface of a GPU compute platform. Day-to-day spans Python backend APIs, database schema design and migrations, marketplace/auction orchestration logic, cloud supply integrations, and some React frontend work, plus on-call participation.
Founding Engineer
Founding staff-level full-stack engineer at Tightknit, building a Slack-based community platform end-to-end — defining architecture, shipping features, talking to customers, and building internal AI workflows. Core stack: TypeScript/React/Next.js on the Cloudflare ecosystem with Postgres/Supabase.
Commerce Systems Engineer
Commerce Systems Engineer at Amboras, an AI-native commerce startup building a Shopify alternative. The engineer owns critical systems spanning catalog, checkout, orders, payments, and integrations, working in-office in San Francisco with a preference for Medusa, Shopify, or WooCommerce experience.
Senior / Staff Software Engineer, AI Tooling
Waabi (autonomous trucks and robotaxis) is hiring a Senior/Staff engineer for a new AI Tech Strike Team that builds internal AI tooling, agents, and workflows — integrating tools like Claude Code, Cursor, and Copilot, evaluating models, adding observability and guardrails, and driving adoption across engineering and business teams. Core stack: Python, CI/CD, and LLM-based agents.