Software Engineer, CircleCI

• 3+ years of professional software development experience, with a focus on backend systems
• Production experience writing code in Go
• Proven experience building and maintaining distributed systems in real-world production environments
• Familiarity with Kubernetes and modern cloud infrastructure
• A strong sense of ownership and curiosity—comfortable diving into complex systems and learning through iteration
• A desire to write high-quality, maintainable code and contribute to a collaborative engineering culture

Desirable

• Your work at CircleCI directly impacts how software is delivered across the industry
• When you contribute to our systems—whether they're customer-facing interfaces, core platform capabilities, or developer tools—you're helping teams worldwide ship better code faster and with greater confidence
• The systems you'll help build enable innovation across the entire software industry, making you an essential part of the modern development ecosystem
• Collaborate with other engineers, product managers, and designers to build and evolve core systems
• Write clean, testable, and maintainable code in Go, with comprehensive unit and integration tests that ensure reliability and long-term maintainability
• Participate in code reviews, design discussions, and incident retrospectives—learning from more senior engineers while contributing your own insights
• Help debug, monitor, and improve systems in production using tools like Honeycomb, Datadog, Grafana, and Rollbar
• Grow your technical depth and system design skills in a fast-paced, supportive environment where iteration is key
• Contribute to systems that directly impact developer productivity for thousands of teams around the world
• Receive mentorship from senior engineers while taking on increasingly complex tasks that will help you grow toward senior-level responsibilities

• We hire team-agnostically at CircleCI, meaning we don’t recruit for a single team from the start. Instead, we get to know each candidate through the interview process and then place them on the team where their strengths, interests, and experience will make the greatest impact
• This approach allows us to be thoughtful about matching engineers with the right challenges, and it gives new hires a stronger foundation for long-term success and growth
• By carefully matching your skills to the right team, we ensure you can make the most meaningful impact on systems that are critical to the success of development teams worldwide