Senior Software Engineer - K6 Core

Details

Grafana Labs is hiring a Senior Software Engineer to work on k6, an open-source performance testing tool for developers and QA engineers. This is a fully remote opportunity for applicants located in Canadian Eastern time zones only.

Responsibilities

• Build and maintain k6, a performance testing tool written in Go.
• Work across the k6 codebase on features and improvements from initial concept through implementation and delivery.
• Solve under-specified technical problems by understanding context, evaluating trade-offs, and selecting pragmatic technical approaches.
• Collaborate with engineers on design, implementation, and code reviews.
• Deliver production-quality code while maintaining existing functionality and system reliability.
• Contribute to k6's open-source project and engage with its community.
• Potentially work on the k6 cloud offering, including Go services supporting distributed test execution across data centers worldwide.
• Consider performance, correctness, failure modes, maintainability, architecture, releases, user-facing behavior, and the health of the open-source project.
• Use AI coding assistants for prototyping, test generation, refactoring, documentation, and incident follow-ups within security guidelines and with strong code review standards.

Requirements

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

Bonus Qualifications

• Experience contributing to or maintaining open-source projects.
• Experience using k6 in production or contributing to the k6 project or ecosystem.
• Experience with performance, reliability, or network testing and optimization.
• Experience with distributed systems or cloud-based services.
• JavaScript and/or TypeScript experience.
• Experience with backend systems for web or mobile applications.
• Familiarity with Docker, AWS, microservices architectures, and observability tools such as Grafana or APM systems.

Work Style

• Remote opportunity for applicants in Canadian Eastern time zones only.
• Work is asynchronous by default, with decisions documented in pull requests and short design notes.
• The team releases on a regular cadence of approximately six weeks and focuses on small, safe, incremental changes between releases.
• Engineers work with a high degree of independence and own the product end to end.

Compensation And Benefits

• Base compensation in Canada: CAD 164,490–CAD 197,389 per year.
• Restricted Stock Units (RSUs) are included for all roles.
• 100% remote global culture.
• Career growth pathways.
• Company-funded usage budget for modern AI coding assistants.
• In-person onboarding.
• Global annual leave policy of 30 days per year, including three Grafana Shutdown Days, subject to local legislation.
• Equal opportunity employer.