Rain

Backend Engineer, AI

New York, NY. Posted 7 months ago

The role

You will build and scale backend systems, APIs, and data pipelines. You will design and ship AI-powered features, agents, and automation into the core platform.

What you will do

  • Be a critical part of the technical and product roadmap
  • Build and scale the backend systems, APIs, and data pipelines that power Rain
  • Design and ship AI-powered features, agents, and automation into our core platform
  • Build shared AI infrastructure: composable tool interfaces, eval frameworks, and permission-aware data access
  • Rapidly ship new capabilities to our customers and internal teams
  • Work embedded with the business, understand the workflows you're building for firsthand

Required qualifications

  • Experience with Node.js and other backend technologies
  • 1–3+ years building production systems that use LLMs, tool calling, structured outputs, prompt architecture, retrieval patterns
  • A builder mentality, someone who experiments with side projects
  • Comfortable with ambiguity, you can take a loosely defined problem, make decisions, and ship
  • 3–8+ years of experience

Nice to have

  • Eval framework design, building systematic ways to measure AI quality
  • Fintech experience (neobank or card issuing experience gets extra brownie points)
  • Experience building internal tools or platform systems at a growth-stage company

Benefits

  • Unlimited time off (10 days minimum required)
  • Flexible working
  • Stipend to set up a home workspace
  • For US Rainmakers, 95% coverage of health, dental, and vision plan costs and 90% for dependents
  • 100% company-subsidized life insurance plan
  • 401(k) with a 4% company match
  • Equity option plan
  • Monthly stipend for eligible health and wellness spending
  • In-office meals via DoorDash credit
  • Team and company offsites, both domestic and international

About the company

Rain is the global stablecoin payments platform for enterprises, neobanks, platforms, developers, and AI agents. It delivers secure, scalable infrastructure that makes money move freely and instantly around the world.

Backend Engineer, AI at Rain | JobZoey