Senior Software Engineer (Go, Performance Testing)

TL;DR

Senior Software Engineer (Go, Performance Testing): Building and maintaining Grafana k6, an open-source performance testing tool for developers and QA engineers with an accent on developer experience, correctness, and scalability. Focus on solving problems that are not fully specified, evaluating trade-offs, choosing reasonable technical approaches, and ensuring system reliability and maintainability.

Location: Remote, applicants from German timezones are preferred.

Salary: EUR 97,034 - EUR 116,441

Company

hirify.global is a remote-first, open-source powerhouse helping over 3,000 companies manage their observability strategies with the Grafana LGTM Stack.

What you will do

• Join a team responsible for building and maintaining k6, a performance testing tool written in Go, contributing to the product, codebase, and community.
• Work on features and improvements across the k6 codebase, from initial idea through implementation and delivery.
• Solve problems that are not fully specified, requiring context understanding, trade-off evaluation, and technical approach selection.
• Deliver production-quality code, maintain existing functionality, and help keep the system reliable and maintainable.
• Potentially work on the k6 cloud offering, which builds on top of k6 to run distributed tests across data centers worldwide.
• Work with a high degree of independence while collaborating closely with other engineers on design, implementation, and code reviews.

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.
• Ability to work independently on scoped problems and deliver them to completion.
• Clear technical communication skills, especially in code reviews and design discussions.
• 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.
• Must be interested in applicants from German timezones.

Nice to have

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

Culture & Benefits

• 100% Remote, global culture with talent from around the world.
• Innovation-driven environment with autonomy and support.
• High trust, low ego culture that values outcomes over optics.
• 30 days of annual leave, including 3 Grafana Shutdown Days.
• Defined career growth pathways and approachable leadership.
• Includes Restricted Stock Units (RSUs) for every team member.
• In-person onboarding for new Grafanistas.