QA Engineer Performance & Load Testing

QA Engineer - Performance & Load Testing

Job Title: QA Engineer- Performance & Load Testing

Location: New York City NY (Hybrid)

Job Description: Our squad for a high-scale event-driven transactional platform. We are seeking top-tier Senior Performance & Load Testing Specialistsnot generalistswho possess deep technical expertise in performance this role you will design execute and analyze complex distributed load scenarios across high-throughput financial systems identifying critical system bottlenecks before they impact production.

Responsibilities:- Design execute and analyze complex distributed load scenarios.- Identify critical system bottlenecks in high-throughput financial systems.

Required Skills:- Expert Performance Testing: Proven track record in load stress and endurance testing for high-volume event-driven platforms.- Hands-on experience designing scenarios for both synchronous (HTTP/API) and asynchronous/real-time (WebSocket/Event-driven) traffic.- Proficiency with developer-centric performance tools such as k6 Locust or Gatling.- Strong experience using telemetry tools (Grafana Prometheus Datadog) to correlate test results with system health metrics.- Deep understanding of latency percentiles resource utilization and error rate diagnostics. Preferred Skills:- Experience in high-scale Financial Services Fintech or payment processing environments.- Hands-on experience integrating performance gates into modern CI/CD pipelines (GitHub Actions GitLab Jenkins).- Strong understanding of cloud-native infrastructure containerization (Docker Kubernetes) and cloud platforms (AWS GCP or Azure).- Familiarity with database profiling and tuning (SQL/NoSQL) under heavy transactional workloads.