Monk
Member of Technical Staff: Backend
San Francisco · On-site · Staff · Full-time · Posted Aug 23, 2026
- Experience
- 4+ years building and operating production backend systems.
About the job
Build and operate backend systems, agent infrastructure, and financial architecture for Monk’s AI-powered accounts receivable platform.
What you'll do
- Design and ship core infrastructure for agentic products and maintain financial systems designed for agents.
- Build and scale architecture for B2B payment use cases; own monitoring, alerting, and incident response.
- Ship changes quickly to improve customer outcomes.
What they ask for
- 4+ years building and operating production backend systems.
- Strong TypeScript/Node skills, with depth in at least one area and breadth to contribute across others.
- Experience with Postgres, AWS, data pipelines, and observability.
- Ability to make sound system tradeoffs and take end-to-end ownership of infrastructure and reliability.
Nice to have
- Experience with fintech or payments data systems.
- Backend infrastructure experience for LLM or agent products; founding or early backend hire experience.
Tools
TypeScript/Node, Postgres, AWS
AI focus
Build core agent infrastructure and the runtime environment powering Monk’s agentic products; use AI effectively while judging when not to use it.
Model-written summary · the original posting is authoritative