152 founding software engineer jobs at 104 companies in United States
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Ficus: Fintech startup building payout infrastructure for life insurance.
Founding engineer with full-stack skills; ownership of product and infra; experience with backend systems, APIs, security, and regulated financial workflows.
Hypercubic: AI platform for modernizing large-scale legacy enterprise software.
0+ YOEFounding backend engineer with strong engineering and design taste; ownership over architecture and engineering culture. Experience with AI-powered systems and legacy modernization is a plus.
Lance: Autonomous AI agents for hotel operations and guest services.
Proficient in software development; experience with ML/AI; design scalable systems; strong collaboration; startup mindset; BS or higher in CS/Engineering.
uRun: Infrastructure cloud for interactive, stateful AI inference.
7+ YOE7+ years backend experience; proficient in TypeScript/Node.js or Python/Go; API design, distributed systems; cloud, containers, performance, and concurrency; real-time/latency-sensitive systems.
Farsyt: AI-native independent insurance agency leveraging automation for insurance operations.
5+ YOE5+ years building production systems; strong backend engineering; cloud infrastructure; experience building from scratch; comfortable operating in ambiguity; AI tooling; systems thinking; product intuition.
Alden Labs: Frontend and backend software building AI-powered care coordination infrastructure.
3+ YOEFull-stack software engineer with 3+ years, skilled in React/NextJS, Express, PostgreSQL; strong ownership; healthcare and AI interest; able to ship features end-to-end.
TAR: Building modular, off-grid renewable power systems for AI data centers.
3+ YOE3+ years software engineering; strong simulation and physics background; numerical methods and uncertainty quantification; fluency in Python plus C++, Rust, or Go; production software experience with hardware-adjacent systems.
Undaunted: Proactive robotic security systems for real-time threat prevention.
Experienced engineer to build fleet infrastructure, web and embedded software (React, TypeScript, NextJS, Docker, Postgres, Raspberry Pi/Jetson/Arduino/ESP32) with strong systems design and AI interest.