Senior Software Engineer - k6 Core | Spain | Remote

Requirements:

• Strong experience building production software in Go, or another language with good support for concurrency and parallelism
• Experience working on larger or long-lived codebases
• The ability to work independently on scoped problems and deliver them to completion
• Clear technical communication skills, especially in code reviews and design discussions
• A good understanding of internet protocols such as HTTP, gRPC, and WebSockets, with some familiarity with lower-level networking concepts
• Experience with modern development practices, including testing, code review, and iterative development

Nice to Haves:

• Contributing to or maintaining open-source projects
• Prior experience using k6 in production, or contributing to the k6 project or ecosystem
• Performance, reliability, or network testing and optimization
• Distributed systems or cloud-based services
• JavaScript and/or TypeScript
• Backend systems for web or mobile applications
• Tools and platforms such as Docker, AWS, microservices architectures, and observability tools like Grafana or APM systems

What You'll Be Doing:

• Join a team of engineers responsible for building and maintaining k6, a performance testing tool written in Go
• Work on features and improvements across the k6 codebase, from initial idea through implementation and delivery
• Collaborate closely with other engineers on design, implementation, and code reviews
• Deliver production-quality code, maintain existing functionality, and help keep the system reliable and maintainable over time

Perks and Benefits:

• 100% Remote, Global Culture
• Scaling Organization
• Transparent Communication
• Innovation-Driven
• Open Source Roots
• Empowered Teams
• Career Growth Pathways
• Approachable Leadership
• Passionate People
• In-Person onboarding
• Balance is Key