Software Engineer (3) - Core Senior Engineer

Experteer Overview As a Senior Software Engineer, you will design and build Golang-based CLI tools and developer automation that boosts productivity. You will own end-to-end development, testing, and observability to ensure reliable pipelines and fast feedback for developers. You’ll help drive CI/CD improvements and toolchain upgrades within an Agile team, shaping scalable infrastructure and high-quality code. This hybrid, in-office role in Dearborn offers meaningful work that supports developers and transforms testing pipelines at scale. Compensation / Benefits * Design and implement Golang-based command-line tools * Develop unit, integration, and end-to-end tests * Write specifications for new features and improvements * Participate in Agile ceremonies and drive continuous improvement * Contribute to CI/CD pipelines and toolchain upgrades * Lead end-to-end development with a focus on clean, maintainable code * Own production reliability with observability: structured logging, tracing, SLIs/SLOs * Design automated testing strategies (Testing Pyramid) including test containers and E2E contract tests * Master Docker practices for secure, efficient builds and non-root execution * Navigate GCP and IaC with Terraform; manage IAM with least privilege * Integrate SonarQube into CI/CD and enforce quality gates Tasks * 8+ years total engineering experience * 8+ years production Golang development, CLI/DevOps/API work * Hands-on engineering background (not only management or architecture) * Proven track record building developer tooling and automation pipelines Key requirements * Medical, dental, vision * 401k * Term life insurance * Voluntary life and disability insurance * Optional Pre-paid legal plan * Optional Medical and dependent FSA

gates SLIs/SLOs * Design automated testing strategies (Testing Pyramid) including test containers and E2E contract tests * Master Docker practices for secure, efficient builds and non-root execution * Navigate GCP and IaC with Terraform; manage IAM with least privilege * Integrate SonarQube into CI/CD and enforce quality gates Tasks * 8+ years total engineering experience * 8+ years production Golang development, CLI/DevOps/API work * Hands-on engineering background (not only management or architecture) * Proven track record building developer tooling and automation pipelines Key requirements * Medical, dental, vision * 401k * Term life insurance * Voluntary life and disability insurance * Optional Pre-paid legal plan * Optional Medical and dependent FSA