> Markdown version of [/jobs/ext/3388326-founding-engineer](https://www.wearedevelopers.com/jobs/ext/3388326-founding-engineer). 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 - **Company:** Pathlume LLC - **Location:** San Francisco, CA, United States - **Experience:** Experienced - **Salary:** $160,000.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Programming Tools, PostgreSQL, Node.Js, Redis, Next.js, Software Engineering, TypeScript, Workflow Management Systems, ReactJS, Virtual Agents - **Published:** September 2, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=be4d8de698e1c514 ## About the Role * 3-7 years of professional software engineering experience * Experience at a Series A, Series B, or other fast-moving tech company * Hands-on experience building or working with AI agents / agent-based systems * Strong full-stack skills in TypeScript, Node.js, Express, React, and Next.js * Ability to ship features independently across the whole stack * High agency, strong ownership mentality, comfort with ambiguity * A genuine startup mindset and willingness to wear multiple hats Good to have * PostgreSQL, Redis, and asynchronous systems experience * Browser automation, scraping, or retrieval infrastructure experience * AI agent orchestration, context management, or evaluations experience * Experience with production systems, observability, and workflow orchestration Bonus points * Experience with MCP servers and developer tools * Background in e-commerce, retail, search, attribution, or analytics * Degree from a top-50 university ## Description We're hiring on behalf of a fast-moving, YC-backed startup building the future of AI-powered commerce, helping retail brands succeed in the era of AI-driven shopping. They're looking for a Founding Engineer to join as their first engineering hire. You'll have significant ownership over product architecture, full-stack development, and the implementation of cutting-edge AI agent technologies. You'll work directly with customers, turn their feedback into shipped features, and build scalable infrastructure from the ground up.