Temper — Founding Engineer

• →Build purpose-specific AI coding agents from scratch for supply-chain connectivity.
• →Develop and maintain the core infrastructure that hosts and runs integrations.
• →Own systems end-to-end, from the agent platform to the runtime, making foundational architectural calls.
• →Establish the engineering patterns and practices future hires will follow.

Tech stack: TypeScript, React, Bun, Effect-TS, PostgreSQL, Kubernetes, AWS

• 2–5 years of experience as a full-stack or backend engineer.
• Full-time experience at a venture-backed startup at the seed-to-Series-B stage, including at least one standout company.
• A track record of shipping and owning complex software products end-to-end.
• Hands-on experience building with AI agents and LLMs using current, modern approaches.
• Strong TypeScript and modern full-stack product development skills.
• An undergraduate degree in computer science or engineering (flexible where work experience is especially strong).
• Comfort operating with a high degree of autonomy and building from scratch.

• Experience as a former founder, or as a founding/early engineer who built a product 01 at a fast-growing, high-caliber startup.
• A degree from a strong technical program, or a clear academic standout record.
• High-agency side projects (agentic tools or launched products) that demonstrate craft and initiative.

• Salary | $150K–$300K |
• Equity | 0.4–0.8% |
• On-site policy | In-office in San Francisco, CA, 5 days/week |
• Visa sponsorship | No new H-1B; transfers (OPT, H-1B transfer, O-1, TN) fine; case-by-case for exceptional candidates |
• Employment type | Full-time |
• Location | San Francisco, CA |