Senior Software Engineer, Full Stack

Brex Brex · Fintech · New York, NY +3 · Engineering

Senior Full-Stack Software Engineer on the Task Workflows Platform team at Brex, responsible for building and scaling foundational infrastructure for core experiences. The role involves working across platforms like notifications, commenting, and workflow builders, evolving task orchestration infrastructure, and tackling complex full-stack challenges. It also includes shaping broader product experiences by leveraging AI to streamline user workflows and supporting productivity tools.

What you'd actually do

  1. build and scale the foundational infrastructure that powers core experiences across Brex
  2. work across our extensive suite of platforms - including our multi-channel notifications engine, collaborative commenting system, and dynamic workflow rule builder
  3. play a pivotal role in evolving our task orchestration infrastructure infrastructure, helping us transition from a centralized, generic experience into highly tailored, purpose-built solutions for specific product domains
  4. tackle complex full-stack challenges, from designing scalable backend APIs and rule-evaluation engines for custom automations, to crafting intuitive frontend UX for our domain-specific task interfaces and workflow builders
  5. be part of a team that directly shapes broader product experiences - including leveraging AI to streamline user workflows and supporting the continuous evolution of our productivity tools in web and mobile

Skills

Required

  • 7+ years of professional experience designing, developing, and deploying full-stack products
  • Strong proficiency in backend programming languages (Java, Kotlin, Python)
  • Experience architecting, building, and maintaining scalable, high-availability distributed systems
  • Experience designing and optimizing SQL and/or NoSQL databases, including data modeling, query performance tuning, and schema design
  • Experience building and maintaining RESTful APIs and/or GraphQL services
  • Experience with modern frontend technologies and tools like ES6+, React, TypeScript, and Webpack

Nice to have

  • Experience collaborating with cross-functional stakeholders and specialists in product, design, and operations
  • Experience driving initiatives at a broader level across an organization or company
  • Experience running in-product experiments, A/B testing
  • Experience and interest in leveraging AI developer tools

What the JD emphasized

  • build and scale the foundational infrastructure
  • task orchestration infrastructure
  • highly tailored, purpose-built solutions
  • complex full-stack challenges
  • scalable backend APIs
  • intuitive frontend UX
  • leveraging AI to streamline user workflows
  • continuous evolution of our productivity tools