Performance QA Engineer (JCP Core)

We are currently seeking a skilled Performance QA Engineer to join our team and improve the reliability of our system. In this role, you will be responsible for ensuring the scalability and stability of our distributed systems through rigorous performance testing and analysis.

Responsibilities:

• Design, develop, and maintain automated performance test suites for complex distributed systems.

• Identify system bottlenecks, conduct root-cause analysis, and partner with engineering teams to implement remediation strategies.

• Generate high-quality performance reports with actionable recommendations and communicate findings to both technical and non-technical stakeholders.

• Work closely with cross-functional development teams to identify performance-critical components and define SLAs, performance criteria, and workload models.

• Design and enhance frameworks for performance test execution, test results collection, analysis, visualization, and reporting.

• Integrate performance testing into CI/CD pipelines.

Qualifications:

• 5+ years of experience in performance testing or engineering.

• Strong hands-on experience with at least one major performance testing tool – K6, JMeter, Gatling, Locust, or LoadRunner (code-based tools are preferred, but git knowledge is a must).

• Solid programming or scripting skills in languages such as Java, Python, JavaScript/TypeScript, or Go.

• A strong understanding of distributed systems, API performance, databases, caching, and networking fundamentals.

• The proven ability to analyze performance metrics, identify bottlenecks, and recommend improvements.

• Experience testing high-traffic or mission-critical applications.

• Strong analytical skills and the ability to communicate technical findings clearly.

• Proficiency in English, both written and spoken.

Nice to have:

• Experience with observability platforms (Prometheus/Grafana and Elastic).

• Experience with containerized and cloud-native environments (Docker, Kubernetes, and AWS/GCP/Azure).

• Familiarity with event-driven systems, streaming platforms (Kafka), and microservice architectures.

• Knowledge of CI/CD automation (TeamCity, GitHub Actions, etc.).

Why join JetBrains?

• Strong base salary. We offer competitive pay that reflects your skills and experience.

• Flexible work location. Enjoy the freedom to work from home or from the office.

• Remote work. Spend up to 30 days per year working remotely from abroad.

• Extra time off. More days to relax, recharge, and do the things you love.

• Medical insurance allowance. Enjoy peace of mind for you and your family.

• Learning and development opportunities. Access to conferences, courses, and language classes.

• Relocation support. We help make your move as smooth and stress-free as possible.

• Language classes. Pick up the local language or sharpen your English skills.

• Fuel your day. Enjoy a hot meal or receive a lunch allowance on workdays.

• Mental health support. To help you feel your best, we provide easy access to professional mental health services.

• Sports benefit. Enjoy an on-site gym or sports club stipend.

• Internal events. Join company-wide celebrations and team gatherings.

*Some benefits may vary depending on location.