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Join Brex's Task Workflows Platform team as a Senior Full-Stack Software Engineer based in São Paulo. You'll build and scale foundational infrastructure powering core experiences across Brex's intelligent finance platform, which serves tens of thousands of companies including DoorDash, Coinbase, and Zoom.
In this role, you'll work across a suite of platforms including a multi-channel notifications engine, collaborative commenting system, and dynamic workflow rule builder. You'll tackle complex full-stack challenges: designing scalable backend APIs and rule-evaluation engines for custom automations on the backend, while crafting intuitive frontend UX for domain-specific task interfaces and workflow builders on the frontend. You'll play a pivotal role in evolving task orchestration infrastructure, transitioning from centralized, generic experiences into highly tailored, purpose-built solutions for specific product domains.
Key responsibilities include owning problems end-to-end (user experience, data models, scalability, operability, metrics), providing technical leadership through roadmap direction and architectural design, mentoring team members, and collaborating with cross-functional teams including Sales and Support. You'll identify and implement reliability and performance improvements while upholding high engineering standards.
Required qualifications: 7+ years of professional full-stack development experience; strong proficiency in backend languages (Java, Kotlin, Python); expertise architecting scalable, high-availability distributed systems; experience designing and optimizing SQL/NoSQL databases; RESTful APIs or GraphQL services; and modern frontend technologies (ES6+, React, TypeScript, Webpack).
Bonus experience includes cross-functional collaboration, driving organization-wide initiatives, running A/B tests and in-product experiments, and leveraging AI developer tools.
The role is hybrid with a minimum of three coordinated days in-office per week (Monday, Wednesday, Thursday), plus up to four weeks annually of fully remote work. Brex is a wholly owned subsidiary of Capital One.
