> Markdown version of [/jobs/ext/4616771-founding-engineer-backend](https://www.wearedevelopers.com/jobs/ext/4616771-founding-engineer-backend). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Founding Engineer (Backend) - **Company:** The Remote Start Guys LLC - **Location:** San Francisco, CA, United States - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Application Programming Interfaces (APIs), Artificial Intelligence, User Authentication, Cloud Computing, Databases, Programming Tools, Distributed Systems, Internet Message Access Protocols, Simple Mail Transfer Protocols, OAuth, Large Language Models, Backend, Agentic-AI, Front End Software Development, Restful APIs - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25197_e3282af5738573a917f2901d01f85c0a ## About the Role * Strong proficiency in TypeScript or modern equivalent frameworks * Experience at a FAANG or well-known VC-backed startup (Series A+) * Deep backend fundamentals: REST API design, system design, server-side architecture * Track record of shipping and owning features from 0-1 in production with real users * CS or technical degree from a top engineering school (especially for new grads) * High agency - you bring ideas and drive execution without needing scope handed to you * Strong communicator of tradeoffs, blockers, and technical decisions * Must be based in or willing to relocate to San Francisco (on-site 5 days/week), * Experience with email, messaging, or protocol-heavy systems (SMTP, IMAP, OAuth) * Exposure to cloud infrastructure, distributed systems, or developer tooling - especially in AI/LLM or agent workflows * Prior founding, fellowship, or 0-to-1 building experience * Evidence of doing hard things outside of engineering - competitive athletics, self-directed projects, anything showing grit and agency ## Description We're looking for a backend-leaning Founding Engineer (0-7 years experience) who has shipped production software at a pedigreed company - FAANG, high-growth VC-backed startups (Series A+), or equivalent. You'll own projects end-to-end in a fast-moving, early-stage environment and help shape the core infrastructure that AI agents use to communicate and operate in the real world., * Build and design APIs and backend infrastructure that AI agents use to communicate, authenticate, and operate * Own 0-1 projects end-to-end - from scoping customer requirements through system design to production rollout (e.g., IMAP integration, usage-based pricing systems) * Work across the full stack (~80% backend, ~20% frontend/other), touching distributed systems, databases, and developer tooling Proactively pitch ideas - you're expected to bring product and growth thinking, not just execute tickets * Be a frontline point of contact for customer feedback and support enterprise deployments * Write clear, maintainable code and documentation while processing hundreds of thousands of emails per day