Performance Test Engineer

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.

Lead the Future of Performance & Non-Functional Testing!

Are you ready to take ownership of performance and resilience testing in a world-class technology transformation programme? Join our client’s team as a Performance Test Engineer and play a key role in delivering scalable, reliable, and secure global solutions.

Sounds like your kind of challenge?

• Flexible cooperation model – choose the form that suits you best
  (B2B, employment contract, etc.)
• Hybrid work setup – 6x/month from the office in Kraków
• Collaborative team culture – work alongside experienced professionals eager to share knowledge
• Continuous development – access to training platforms and growth opportunities
• Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
• High quality equipment – laptop and essential software provided

• Proven expertise in Performance & Non-Functional Testing for enterprise-level systems, including load, stress, failover, HA, disaster recovery testing.
• Strong hands-on experience with performance test tools (JMeter, Gatling, LoadRunner, NeoLoad or similar).
• Practical knowledge of cloud-based environments (Google Cloud Platform highly desirable).
• Experience defining end-to-end testing strategies, selecting tooling, and driving governance across large programmes.
• Strong scripting/coding skills (Python, Java, Scala) and ability to test APIs, containers, serverless, message queues, and GDBMS platforms.
• Familiarity with CI/CD, observability tooling (e.g., AppDynamics, Datadog), and Infrastructure-as-Code concepts.
• Excellent leadership, stakeholder management, and communication skills.
• Experience delivering solutions in both Agile and Waterfall delivery models.

Nice to Have

• Exposure to Identity & Access Management (IAM) platforms.
• Experience with GCP, Kubernetes, SaaS performance testing, and DevSecOps approaches.
• Familiarity with GitOps, policy-as-code, and advanced monitoring solutions.

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.