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Senior Software Engineer, Application Infrastructure

Brex

$192,000 - $240,000
Aug 14, 2025
Seattle, WA, US
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Brex is looking to simplify writing code for every product developer at Brex by building and owning a suite of platforms and tools that Product Engineers use to deliver quality software solutions quickly.

Requirements

  • 8+ years of professional experience in a software engineering role
  • GraphQL experience, especially familiarity with Federated GraphQL
  • Kotlin background (Java, Scala and Groovy are also acceptable)
  • Kubernetes familiarity
  • Platform or Full-Stack development background
  • Experience working with Bazel; bonus points if you’ve written rules or maintained Bazel as a platform
  • Golang experience, especially building CLIs

Responsibilities

  • build and own a suite of platforms and tools that Product Engineers use to deliver quality software solutions quickly
  • work with a diverse range of technologies enabling federated GraphQL APIs, remote development environments, pre-merge testing, Brex-wide dependency management, fast Kotlin builds, developer CLIs, and more
  • be a domain expert and change agent, taking our Federated GraphQL platform to the next level
  • utilize GraphQL’s open source and vendor ecosystem to enable Brex devs to ship better products faster
  • Analyze internal developer experience feedback to advocate for and iterate on developer platforms affecting the day-to-day work of ~300 software engineers
  • Make the adoption of AI developer tools easier and integrate them into developer workflows to seamlessly play with our codebase
  • Own, maintain, and scale critical API infrastructure serving all of Brex’s products

Other

  • Strong communication, interpersonal, and project planning skills
  • This role will be based in our Seattle office.
  • We are a hybrid environment that combines the energy and connections of being in the office with the benefits and flexibility of working from home.
  • We currently require a minimum of two coordinated days in the office per week, Wednesday and Thursday.
  • As a perk, we also have up to four weeks per year of fully remote work!