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Senior Software Engineer, Full Stack

Brex - Vancouver, BC, Canada - Hybrid - posted 2026-03-24

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Salary: CAD 192,000 - 240,000 / annual

Join Brex's Task Workflows Platform team as a Senior Full-Stack Software Engineer. 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 also help evolve task orchestration infrastructure, transitioning from centralized generic experiences to 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 to understand customer needs. You'll identify and implement reliability and performance improvements while upholding high engineering standards. You'll need 7+ years of professional full-stack experience with strong proficiency in backend languages (Java, Kotlin, Python) and modern frontend technologies (ES6+, React, TypeScript). Experience architecting scalable distributed systems, designing/optimizing SQL and NoSQL databases, and building RESTful APIs or GraphQL services is required. The role is based in Vancouver with a hybrid model requiring three coordinated days in-office per week (Monday, Wednesday, Thursday), plus up to four weeks annual fully remote work flexibility.

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