> Markdown version of [/jobs/ext/2026870-software-engineer-3-core-senior-engineer](https://www.wearedevelopers.com/jobs/ext/2026870-software-engineer-3-core-senior-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Software Engineer (3) - Core Senior Engineer

- **Company:** KYYBA, Inc
- **Location:** Dearborn, MI, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Application Programming Interfaces (APIs), Agile Methodology, Automation of Tests, Command-Line Interface, Continuous Integration, DevOps, Identity and Access Management, E2e Testing, SonarQube, Data Logging, Delivery Pipeline, Build Management, Terraform, Pyramid, Docker, Golang
- **Published:** August 11, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/software-engineer-3-core-senior-engineer-dearborn-mi-usa-58901159

## About the Role

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

## Description

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


## Related Videos

- [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered)
- [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform)
- [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall)
- [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security)
- [#90DaysOfDevOps - The DevOps Learning Journey](https://www.wearedevelopers.com/videos/548-90daysofdevops-the-devops-learning-journey)
- [Retooling and refactoring - an investment in people.](https://www.wearedevelopers.com/videos/371-retooling-and-refactoring-an-investment-in-people)

## Related Articles

- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)