Senior Software Engineer, CircleCI

• 5+ years of professional software development experience, including production experience writing code in Go. Your broader background may span backend and infrastructure code
• Deep proficiency in Go and experience delivering production-quality software at scale
• Experience with cloud services and virtualization, for example, AWS and GCP
• Experience with Kubernetes, Helm Charts, and managing container-based architectures, including orchestration, service-discovery, monitoring, and debugging
• Strong testing skills with experience writing comprehensive unit, integration, and end-to-end tests
• Professional experience delivering platforms and providing a great developer experience for internal and external customers
• A production-first mindset, with proven experience building, monitoring, supporting and debugging live distributed systems in real-world environments
• A pragmatic engineering approach, solving problems efficiently while balancing complexity and maintainability
• A collaborative spirit and a desire to grow, mentor, and lead alongside others

Desirable

• This is an opportunity to join the team that maintains CircleCI's on-premise products
• We deliver high availability, on-premise CircleCI solutions that are easy to install, manage, and support in a secure, reliable, and maintainable manner
• That includes our self-hosted runners and CircleCI Server, an on-premise CI/CD platform for enterprise customers who have compliance or security needs that require operation within a firewall, private cloud or data center
• Design and build reliable, observable, zero-downtime distributed systems that serve millions of builds across thousands of customers
• Write clear, maintainable, and well-documented Go code, with comprehensive unit, integration, and end-to-end tests to ensure long-term reliability
• Own your work from concept to deployment and beyond—debugging and improving production systems and infrastructure using tools like Honeycomb, Datadog, Grafana, and Rollbar
• Collaborate with cross-functional teams to shape and refine self-hosted Runners and evolve the internal developer experience for supporting CircleCI server
• Mentor junior and mid-level engineers, providing technical guidance and helping grow engineering excellence on your team
• Contribute to a culture of continuous improvement, helping your team and our customers succeed
• Grow your strategic impact and technical influence across the organization, supported by mentorship and exposure to deep engineering challenges
• Participate in and contribute to improving rotating on-call duties, including incident management for on-premises customers
• Collaborate closely with our Customer Support team to understand the needs and challenges of our on-premise customers