Senior Software Engineer, Operational AI
Core
Building and operating the internal Agents Platform that powers AI automation for Brex's operational workflows, including customer onboarding and internal team tools.
Role type
Senior Software Engineer (AI Agents Platform)
Builds
Internal platform for building, evaluating, and running AI agents in production
Domain
Fintech / AI Infrastructure
Deliverable
production ML models
Required skills
Backend systems design, LLM orchestration, distributed systems, platform engineering, incident response, technical leadership
Preferred skills
Temporal workflow engines, agent authorization (RBAC), eval frameworks, MCP/retrieval patterns, MLOps
Technologies
LLMs, async/batch execution systems, durable workflow engines (via careerplan.io/jobs/8861245002-senior-software-engineer-operational-ai-at-brex)
Responsibilities
Own technical direction and roadmap of the Agents Platform; Design and build platform capabilities for tool calling and multi-step agent loops; Evolve evaluation and quality systems for non-deterministic AI; Strengthen reliability, security, and observability of business-critical flows; Partner with teams to launch and scale high-impact agents; Drive platform adoption through developer workflows and documentation; Mentor engineers on the team.
Seniority
Senior, hands-on IC with mentorship
