Performance Testing Architect

Summary

Join Faptic Technology, a rapidly growing tech company in Romania, as a Performance Testing Architect. You will be a key member of a high-performing team, focusing on ensuring the scalability and reliability of our client's trading platforms. This role involves leading performance testing strategies, developing and maintaining K6 scripts, optimizing API performance, and collaborating with development teams. You will leverage your expertise in performance testing tools and technologies to identify and resolve performance bottlenecks. The position offers a competitive package and various benefits, including private medical insurance, training opportunities, and generous paid time off.

Requirements

• BSc/MSc in Computer Science or related field
• Minimum 5 years’ hands-on experience in QA testing
• Minimum 5 years’ experience in performance testing using tools such as K6 or Gatling
• Proficiency in JavaScript/TypeScript for developing performance test scripts
• Hands-on experience in API performance testing (REST, GraphQL), including rate limiting and caching strategies
• Knowledge of Spring Boot and microservices architectures
• Experience with Kubernetes and Docker, including HPA, resource limits, and debugging latency issues
• Proven best practice with monitoring tools such as Prometheus and Grafana for performance analysis
• Experience in building CI/CD pipelines using GitLab CI or Jenkins

Responsibilities

• Lead the performance testing strategy for our client's trading platforms, ensuring system resilience and scalability
• Develop and maintain K6 scripts in JavaScript/TypeScript, implementing data-driven testing approaches
• Optimize API performance for REST and GraphQL endpoints, covering rate limiting, caching strategies, and load balancing
• Monitor and analyze system performance using Grafana, providing insights and recommendations
• Collaborate with development teams to identify and resolve performance bottlenecks
• Ensure best practices in Spring Boot applications, microservices architectures, resource management, and JVM tuning
• Integrate performance tests into GitLab CI/CD pipelines to enable continuous performance validation

Preferred Qualifications

• Advanced knowledge of gRPC and WebSockets performance testing, including HTTP/2 optimizations
• Java performance optimization expertise, including JVM tuning and database query optimization
• Experience with cloud-based performance strategies, including service mesh solutions (Istio, Linkerd) and distributed tracing (Jaeger, OpenTelemetry)

Benefits

• Private medical insurance
• Training on market trends and client needs
• Continuous personal improvement - 8h/month during work hours
• Lunch on Friday (twice per month, we pay)
• 21 days annual leave, with one day per year extra up to 25 days
• 3 health days that can be taken without medical proof
• 1 day for your Birthday off
• 0.5 days Christmas Shopping off
• Competitive package