Senior Performance Test Engineer

Location: Warsaw

Contract Type: Contract (6 months)

Remote Status: Hybrid

• Work with cutting-edge performance testing tools including k6, Docker and Kubernetes
• Join a global, distributed team working on REST APIs, GraphQL APIs and web applications
• Shape technical direction and influence quality engineering practices across the organisation
• Gain hands-on experience with cloud platforms (AWS, Azure or GCP) and modern CI/CD pipelines
• Collaborate with stakeholders across multiple time zones on impactful performance engineering initiatives

Company Overview

Our client is a technology-focused organisation operating across global markets. They specialise in building scalable, high-performance systems and are committed to quality engineering and developer enablement. With distributed teams working across multiple regions, they foster a culture of continuous learning and technical excellence. The company invests in modern tooling and infrastructure, including cloud platforms, containerisation and observability solutions, to deliver robust applications that meet demanding performance standards.

They are seeking an experienced Senior Performance Test Engineer to join their team in Warsaw on a 6-month contract. This is an opportunity to work with modern performance testing frameworks and influence technical practices across a global engineering organisation.

Position Overview

As a Senior Performance Test Engineer, you will play a critical role in ensuring the performance, reliability and scalability of applications used by customers worldwide. You will design and develop automated performance testing frameworks using k6 and JavaScript, working closely with engineering teams to identify bottlenecks, optimise system performance and embed quality practices throughout the development lifecycle. Your work will directly impact the user experience and system stability across REST APIs, GraphQL APIs and web applications deployed on cloud infrastructure.

Benefits

While specific benefits details are to be confirmed, you'll be immersed in a technically advanced environment collaborating with a global team committed to quality engineering, continuous improvement and modern development practices across cloud infrastructure and performance testing.