Senior Software Engineer (AWS) - Fully Remote

Grafana Labs, the company behind the open observability cloud, is founded on the principles of open source, open standards, open ecosystems, and open culture. Grafana Cloud, our fully managed observability platform, is flexible and built for scale. With Grafana Cloud's actually useful AI, organizations can see, understand, and act on all their disparate data to move at the speed of their ambitions. Today, more than 35 million users and 7,000+ customers - including Anthropic, Bloomberg, NVIDIA, Microsoft, and Salesforce - trust Grafana Labs to ensure reliability of their applications and systems, resolve incidents quickly, and optimize their telemetry to reduce noise and cost. We are a 100% remote company with 1,600+ team members across 40+ countries, and we’re backed by leading investors including Lightspeed Venture Partners, Sequoia Capital, GIC, Coatue, J.Our team thrives in an innovation-driven environment where transparency, autonomy, and trust fuel everything we do.If this role excites you, we’d love you to raise your hand for what could be a truly career-defining opportunity.Senior Software Engineer - k6 CoreThe Opportunity:At k6, we build reliability and performance testing tools for developers and QA engineers.Grafana k6 is an open-source project focused on making performance testing practical, approachable, and useful in real-world engineering workflows. What You’ll Be Doing:You will join a team of engineers responsible for building and maintaining k6, a performance testing tool written in Go. The team also maintains the open-source project, which means working directly on the product, the codebase, and with the community using it.In this role, you will work on features and improvements across the k6 codebase, from initial idea through implementation and delivery. You will work with a high degree of independence while collaborating closely with other engineers on design, implementation, and code reviews. You are expected to deliver production-quality code, maintain existing functionality, and help keep the system reliable and maintainable over time.Some work may involve the k6 cloud offering, which builds on top of k6 to run distributed tests across data centers worldwide. This includes Go services that support distributed execution and require careful attention to performance, correctness, and failure modes.You can use modern AI coding assistants as part of your daily workflow (your choice of tools, within security guidelines), backed by a company-funded usage budget so you can iterate quickly without unnecessary friction. We encourage pragmatic AI-assisted development: faster prototyping, test generation, refactors, documentation, and incident follow-ups—always with strong code review and quality standards. Code reviews focus on correctness, long-term maintainability, and user impact. The team owns the product end to end, including architecture, releases, user-facing behavior, and the health of the open-source project.We’re looking for an experienced engineer with strong programming skills and a track record of working on non-trivial systems.Strong experience building production software in Go, or another language with good support for concurrency and parallelismExperience working on larger or long-lived codebasesThe ability to work independently on scoped problems and deliver them to completionClear technical communication skills, especially in code reviews and design discussionsA good understanding of internet protocols such as gRPC, and WebSockets, with some familiarity with lower-level networking conceptsExperience with modern development practices, including testing, code review, and iterative developmentBonus Points For:You do not need experience with everything listed below. Contributing to or maintaining open-source projectsPrior experience using k6 in production, or contributing to the k6 project or ecosystemPerformance, reliability, or network testing and optimizationDistributed systems or cloud-based servicesJavaScript and/or TypeScriptBackend systems for web or mobile applicationsTools and platforms such as Docker, AWS, microservices architectures, and observability tools like Grafana or APM systemsCompensation & Rewards:In the United Kingdom, the Base compensation range for this role is GBP 91,755 - GBP 110,106. Actual compensation may vary based on level, experience, and skillset as assessed in the interview process. All of our roles include Restricted Stock Units (RSUs), giving every team member ownership in Grafana Labs' success. We believe in shared outcomes—RSUs help us stay aligned and invested as we scale globally.*Compensation ranges are country specific. Why You’ll Thrive at Grafana Labs:100% Remote, Global Culture - As a remote-only company, we bring together talent from around the world, united by a culture of collaboration and shared purpose.Innovation-Driven - Autonomy and support to ship great work and try new things.Open Source Roots - Built on community-driven values that shape how we work.Career Growth Pathways - Defined opportunities to grow and develop your career.Passionate People - Join a team of smart, supportive folks who care deeply about what they do.Balance is Key - We operate a global annual leave policy of 30 days per annum. 3 days of your annual leave entitlement are reserved for Grafana Shutdown Days to allow the team to really disconnect. *We will comply with local legislation where applicable.Equal Opportunity Employer:Grafana Labs is an equal opportunities employer. We welcome applications from everyone regardless of race, colour, nationality, origin, caste, sex, gender reassignment identity or expression, sexual orientation, age, religion or belief, disability, veteran status, genetic information, pregnancy, maternity, marital, family or carer status, or any other characteristic which is protected by local law. We believe that equality and diversity build a strong organisation, and we work hard to ensure that is the foundation of our organisation as we grow.Grafana Labs may utilize AI tools in its recruitment process to assist in matching information provided in CVs to job postings. LI-RemoteFor information about how your personal data is used once you’ve applied to a job, check out our privacy policy.