Senior Software Engineer: Platform

About the role

Flexport’s Platform, Security & Infrastructure (PSI) team builds the core tooling that enables hundreds of engineers to ship freight‑moving code worldwide. As a Senior Software Engineer you will own and evolve the developer platform, making it easier, faster and safer for engineers to build, test and deploy services.

Key responsibilities

• Design and ship self‑serve tooling, CI/CD pipelines (Buildkit, GitHub Actions) and build systems (Gradle, Bazel, npm/pnpm/bun, Go, Cargo).
• Maintain and improve backend and frontend developer experiences, including artifact repositories (Artifactory, ECR, GitHub).
• Steward the GraphQL and gRPC ecosystem, ensuring smooth schema sharing, code generation and client/server interactions.
• Integrate IAM solutions and secure defaults, and support container orchestration (Kubernetes, ECS) and observability stacks (OpenMetrics, Datadog).

Required profile

• 5+ years of software engineering experience building developer platforms or internal tooling.
• Full‑stack instincts across backend services, build pipelines, Kubernetes manifests and CI configurations.
• Product mindset for internal users, measuring impact and fixing tech debt.
• Independent, proactive attitude with excellent communication skills.

Required skills

• CI/CD systems – GitHub Actions, Buildkit.
• Build tooling – Gradle, Bazel, npm, pnpm, bun, Go, Cargo.
• Artifact storage – Artifactory, ECR, GitHub Packages.
• API frameworks – GraphQL, gRPC.
• Container orchestration – Kubernetes, ECS.
• Observability – OpenMetrics, Datadog.
• Cloud & IAM – AWS, JWT, OIDC, Terraform.

What we offer

• Daily catered lunches, breakfast, snacks and soft drinks.
• Commute expense coverage for home‑office travel.
• 25 vacation days, fully paid health insurance and pension contributions.
• Equity program, employee assistance and parental leave benefits.