Software Engineer, Forward Deployed Agent Builder

Brex Brex · Fintech · United States · Engineering

Software Engineer to build and ship AI agents for automating internal business functions at Brex, integrating with existing systems and defining evaluation frameworks.

What you'd actually do

  1. Embed with partner teams to deeply understand workflows, including shadowing and learning different job functions.
  2. Scope, design, and deploy agents that take over real workflows across internal orgs.
  3. Integrate agents with internal systems, APIs, and data sources.
  4. Define evaluation frameworks, success metrics, and feedback loops to measure and improve agent performance.
  5. Build shared tooling and contribute to playbooks that accelerate deployments, while owning reliability, adoption, and business impact.

Skills

Required

  • LLMs
  • agent frameworks
  • tool-use patterns
  • SQL
  • NoSQL
  • data modeling
  • query performance tuning
  • schema design
  • decomposing human workflows into scalable, agentic systems

Nice to have

  • automating back-office functions
  • OpenClaw
  • Hermes
  • general-purpose agent harnesses

What the JD emphasized

  • track record of shipping AI/automation systems to production
  • Hands-on experience building with LLMs, agent frameworks, and tool-use patterns

Other signals

  • building AI agents to automate and augment internal functions
  • design, build, and ship agents that deliver real outcomes
  • wiring together tools, MCPs, and internal systems into agentic workflows
  • spend most of your time building, shipping, and iterating