Senior Software Engineer, Release Infra

Role Summary

As a Senior Software Engineer, Infrastructure (Release Engineering) at Brex, you will design, build, and operate the core systems that power Brex’s release, observability, and incident management processes. You will partner closely with product, platform, and operations teams to ensure releases are safe, fast, and reliable, and that our infrastructure scales securely as Brex grows.

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Location

This role is based in our São Paulo office. It is a hybrid environment combining the energy and connections of being in the office with the benefits of flexible work. You are required to be in the office three coordinated days per week (Monday, Wednesday, and Thursday) and have up to four weeks per year of fully remote work.

Responsibilities

• Design, build, and maintain the release infrastructure that powers Brex’s deployment pipelines and incident workflows.
• Drive technical strategy and architecture for release and observability systems, making them more scalable, reliable, and secure.
• Collaborate with product, engineering, and operations partners to ensure Brex’s releases are safe, predictable, and low-friction.
• Identify and deliver improvements to the end-to-end release process (from code merge to production) to reduce risk and cycle time.
• Build and evolve tooling for observability and incident response, enabling fast detection, triage, and resolution.
• Proactively identify and mitigate risks in our release and infrastructure stack, including performance, reliability, and security concerns.
• Define, instrument, and monitor key metrics for release engineering (e.g., deployment frequency, change failure rate, MTTR) and use them to guide improvements.
• Partner with other infrastructure and product teams to debug complex production issues and drive long-term fixes.
• Contribute to and champion best practices in release engineering, reliability, and operational excellence across the organization.
• Mentor other engineers on the team, providing technical guidance and code reviews to elevate overall quality of our infrastructure.
• Stay up-to-date on emerging tools and practices in release engineering, observability, and SRE, and bring relevant ideas into Brex’s stack.

Requirements

• 7+ years of professional experience designing, building, and operating backend or infrastructure systems in production.
• Strong proficiency in backend programming languages (e.g., Go, Java, Kotlin, or Python) with a focus on reliability and performance.
• Hands‑on experience with CI/CD and release pipelines (e.g., GitHub Actions, CircleCI, Buildkite, Argo, Spinnaker, Jenkins) including build, test, and deployment automation. xayajpt
• Experience architecting and operating scalable, high‑availability infrastructure.