Senior Software Engineer, Release Infra

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 the 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
• Experience architecting and operating scalable, high-availability distributed systems on cloud platforms (e.g., AWS, GCP, Azure)
• Deep familiarity with containerization and orchestration (e.g., Docker, Kubernetes) and infrastructure-as-code (e.g., Terraform, CloudFormation)
• Experience designing and maintaining observability tooling (metrics, logs, tracing) and integrating it into incident response workflows
• Strong understanding of reliability and SRE practices, including SLIs/SLOs, error budgets, and incident management best practices
• Experience designing and optimizing data storage systems (SQL and/or NoSQL) for operational and observability use cases
• Proven track record of improving release processes (e.g., reducing deployment risk, increasing deployment frequency, automating rollbacks)
• Comfort working cross-functionally with product and other engineering teams to debug complex production issues and ship changes safely
• Strong communication and collaboration skills, including writing clear design docs and driving technical decisions across teams