Senior Software Engineer - k6 Core

📍 United States

USD 154,400-185,300 per year

SENIOR

✅ Remote

Tech Stack
Tag name is followed by "@" symbol and proficiency level value. About proficiency levels:

1-2 — basic awareness. Minimal hands-on experience, and a rudimentary understanding of the technology's purpose;

3-6 — daily use. Comfortable and regular usage, capable of handling common tasks and challenges related to the technology;

7-9 — you are an expert, you can teach others, you know all the pitfalls and tricks;

10 — exceptional knowledge, comprehensive understanding, and adeptness in all aspects of the technology, including advanced problem-solving. Think twice before claiming or demanding such level.

AI AWS @ 3 Communication @ 6 Distributed Systems @ 4 Docker @ 3 Go @ 7 Grafana @ 3 HTTP @ 4 JavaScript @ 4 Microservices @ 3 Networking @ 3 Observability @ 3 Security TypeScript @ 4 gRPC @ 4

Details

Grafana Labs is seeking a Senior Software Engineer to join the k6 Core team. Grafana k6 is an open-source performance testing tool written in Go and designed to make performance testing practical, approachable, and useful in real-world engineering workflows.

This is a remote opportunity for applicants located in the United States Eastern time zones.

Responsibilities

Build and maintain Grafana k6, including features and improvements across the k6 codebase.
Work on projects from initial concept through implementation and delivery.
Make technical decisions for problems that are not fully specified, evaluating context and trade-offs.
Collaborate with engineers on design, implementation, and code reviews.
Deliver production-quality code and maintain existing functionality.
Help ensure that the system remains reliable and maintainable over time.
Contribute to k6 cloud services that support distributed test execution across data centers worldwide.
Address performance, correctness, and failure-mode considerations in Go services.
Participate in architecture, releases, user-facing behavior, and the health of the open-source project.
Work asynchronously, documenting decisions in pull requests and short design notes.
Use AI coding assistants for prototyping, test generation, refactoring, documentation, and incident follow-ups in accordance with security guidelines and code-quality standards.

Requirements

Strong experience building production software in Go, or another language with strong support for concurrency and parallelism.
Experience working on large 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, including HTTP, gRPC, and WebSockets.
Familiarity with lower-level networking concepts.
Experience with modern development practices, including testing, code review, and iterative development.
A track record of working on non-trivial systems.

Bonus Qualifications

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

Compensation And Benefits

United States base compensation range: USD 154,445–185,334 per year.
Restricted Stock Units (RSUs) are included with all roles.
100% remote work and a global culture.
Career growth pathways.
In-person onboarding.
Global annual leave policy of 30 days per year, including three Grafana Shutdown Days where applicable.
Open-source, transparent, and autonomy-focused work environment.