Performance Test Engineer

Our requirements

• 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.

Optional

• 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.

Your responsibilities

• Own and maintain the Performance & Non-Functional Testing strategy for the programme.
• Define and execute comprehensive test strategies covering load, stress, failover, HA, and disaster recovery testing scenarios.
• Collaborate closely with Scrum teams, Architects, DevOps, and support engineers to embed performance requirements in delivery pipelines.
• Select appropriate tooling (e.g., JMeter, Gatling, LoadRunner, NeoLoad) and define long-term strategy for environments and resources.
• Oversee test execution, monitoring, and reporting; provide dashboards, KPIs, and clear risk-based assessments.
• Analyse application performance using profilers, logs, and system metrics; identify bottlenecks and drive remediation plans.
• Ensure integration of test results into CI/CD pipelines and reporting frameworks.
• Lead and mentor Performance Testing engineers, fostering a quality-first culture.
• Produce clear documentation and reports for stakeholders, demonstrating system readiness and compliance.
• Note: Detailed project information will be shared during the recruitment process.

About the project

This is how we organize our work

This is how we work on a project

• Continuous Deployment
• Continuous Integration
• DevOps
• issue tracking tools
• functional tests
• testing environments

What we offer

• 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

Benefits

• sharing the costs of sports activities
• private medical care
• sharing the costs of professional training & courses
• life insurance

Mindbox Sp. z o.o.