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Grafana Labs is seeking a Senior Software Engineer to join the k6 Core team. k6 is an open-source performance and reliability testing tool used by developers and QA engineers worldwide. The role involves building and maintaining k6, a Go-based performance testing platform that is part of the broader Grafana observability ecosystem.
You will work on features and improvements across the k6 codebase, from conception through implementation and delivery. Much of the work involves ambiguous problems requiring you to understand context, evaluate trade-offs, and select sound technical approaches. You'll deliver production-quality code, maintain existing functionality, and ensure system reliability and maintainability.
The role includes potential work on k6 Cloud, which enables distributed testing across global data centers. This involves Go services requiring careful attention to performance, correctness, and failure handling.
You will work with significant independence while collaborating closely with other engineers on design, implementation, and code reviews. The team is small, so your impact on the product and its users will be direct and visible. Work is asynchronous by default, with decisions captured in pull requests and design notes. Meetings focus on alignment rather than status updates.
Grafana Labs is a 100% remote company with 1,600+ team members across 40+ countries, backed by leading investors including Sequoia Capital and Lightspeed Venture Partners. The company serves 7,000+ customers including Anthropic, Bloomberg, NVIDIA, Microsoft, and Salesforce.
The company emphasizes pragmatic engineering, regular six-week release cadences, and incremental changes between releases. You'll have access to modern AI coding assistants with company-funded usage budgets, including frontier models from OpenAI, Anthropic, and Google, to support faster prototyping, testing, and documentation.