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Senior Software Engineer

🌐 Remote💼 Full-time💰 $82,988–$99,586🗓 2026-08-06 → 2026-09-26

Core

Building and maintaining k6, an open-source performance testing tool written in Go, used by developers and QA engineers to test systems under real load.

Role type

Senior Software Engineer (Go)

Builds

k6 open-source performance testing tool and distributed cloud execution services

Domain

Software Engineering / Performance Testing / Distributed Systems

Deliverable

production ML models | product features

Required skills

Go programming, concurrency and parallelism, internet protocols (HTTP, gRPC, WebSocket), testing, code review, iterative development

Preferred skills

Open-source contribution, k6 ecosystem experience, network testing, distributed systems, cloud services, JavaScript/TypeScript, Docker, AWS, observability tools

Technologies

Go, HTTP, gRPC, WebSockets, Docker, AWS, Grafana

Responsibilities

Design and implement features for the k6 codebase, maintain existing functionality, collaborate on distributed execution services, conduct code reviews, work independently on scoped problems

Seniority

Senior, hands-on IC

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