Talent.com
This job offer is not available in your country.
Senior Performance Engineer

Senior Performance Engineer

BackbaseKraków, Poland
13 days ago
Job description

Responsibilities

  • Drive performance within the value stream by serving as the go-to expert for all performance-related matters, providing guidance to development teams and taking full ownership of performance oues.
  • Be an active member of the performance guild
  • Develop and execute performance test strategies targeting critical application paths and infrastructure layers.
  • Design and maintain load testing scenarios to simulate production-like conditions using tools such as Gatling, JMeter and K6
  • Analyze system behavior under load, isolate latency sources, and drive optimization efforts at application and platform levels.
  • Partner with SRE, infrastructure, and observability teams to build performance dashboards and proactive alerting mechanisms.
  • Integrate performance testing in CI / CD pipelines to enforce baselines and detect regressions.
  • Perform root cause analysis of incidents and contribute to long-term remediation strategies.
  • Validate scalability and throughput improvements following system changes or architectural redesigns.
  • Collaborate with development teams to enforce performance-conscious coding practices and architectural patterns.

Required Qualifications

  • Strong experience in Java application performance tuning.
  • Multiple years of software quality engineer experience with Java in microservice environments
  • Deep understanding of JVM performance metrics and GC tuning.
  • Hands-on experience with distributed systems and microservices performance diagnostics.
  • Experience with performance tools like Gatling, JMeter, Grafana K6 and CI / CD tools such as Github Actions
  • Experience working in containerized environments (Docker, Kubernetes).
  • Skilled in metrics and observability tooling (, Prometheus, Grafana, OpenTelemetry).
  • Strong analytical skills for interpreting performance data and generating actionable insights.
  • Preferred Qualifications

  • 5+ years in performance engineering or similar roles in high-throughput systems.
  • Exposure to chaos engineering principles as they intersect with performance testing.
  • Experience in financial systems or similar latency-sensitive domains.
  • Familiarity with cloud-native performance challenges (preferably Azure).
  • Understanding of load balancers, caches, and messaging systems performance impact.
  • Experience with network-level performance tuning and protocol-level optimizations.
  • Experience with Spring framework and tuning JVM
  • Job ID 6994544

    Create a job alert for this search

    Senior Engineer • Kraków, Poland