We are looking for a highly skilled Lead Performance Testing Engineer to oversee, enhance, and drive performance testing strategies for scalable, high-performance systems at an organizational level.
In this role, you will lead the development and optimization of performance testing frameworks, play a pivotal role in identifying and resolving system bottlenecks, and collaborate with leadership and cross-functional teams to ensure our technology exceeds reliability, scalability, and performance expectations.
Responsibilities
Define, drive, and continuously improve performance testing strategies, frameworks, and organizational plans with technical and strategic expertise
Oversee and conduct complex performance, load, stress, and endurance testing efforts for enterprise-level web applications and backend APIs
Design realistic and advanced workload models reflecting intricate architecture and large-scale production usage patterns
Lead deep-dive analysis and interpretation of performance test results using advanced tools like k6 and sitespeed.io, pinpointing key optimization opportunities
Direct the identification and resolution of multi-layered performance bottlenecks across application, infrastructure, database, and network systems
Oversee the integration of sophisticated performance test suites into CI/CD pipelines to guarantee system scalability and reliability
Implement advanced metric collection and visualization using Grafana and InfluxDB for detailed trend analysis and executive-level reporting
Ensure detailed monitoring of system resource utilization (CPU, memory, disk, network) during tests while addressing misconfigurations with tailored solutions
Enhance automation workflows for performance testing, execution, and reporting by utilizing advanced scripting or programming techniques in TypeScript or PowerShell
Collaborate closely with senior stakeholders and other leads to proactively mitigate performance risks and strategize system improvement solutions
Lead scalable performance tuning initiatives and ensure systems consistently meet SLA, scalability, and reliability benchmarks
Actively mentor, coach, and lead team members by fostering an organizational culture of excellence and a performance-focused mindset
Requirements
Proven experience of 5+ years in performance testing and optimization of complex web applications, APIs, and backend services
1+ years of experience leading and mentoring teams, fostering a high-performance culture, and driving skills development within organizations
Comprehensive knowledge of performance testing methodologies and enterprise-level best practices
Extensive hands-on expertise with performance tools like k6, with strong familiarity or expertise in sitespeed.io
Deep proficiency in analyzing complex test outcomes, leveraging key metrics such as percentiles, distributions, and system resource insights
Proven experience using Grafana and InfluxDB to develop advanced monitoring and reporting solutions
Strong expertise in SQL, with capabilities in analyzing and optimizing complex queries for performance improvement
Expertise in systematically identifying and resolving bottlenecks in application, network, OS, and database layers for large-scale systems
In-depth understanding of infrastructure, load balancing patterns, and advanced system monitoring tools for enterprise environments
Advanced scripting and programming skills (e.g., TypeScript, PowerShell), with a focus on extending custom performance testing automation
Strong experience integrating robust test strategies into CI/CD workflows with automated reporting and notification pipelines
Excellent communication skills in business English (B2+ level or higher), with an ability to convey technical insights to senior leadership and non-technical audiences
Nice to have
Proven experience using Prometheus for advanced performance monitoring and proactive alerting
Expertise in performance testing and optimization for both REST and SOAP-based service architectures
Strong hands-on expertise with sitespeed.io for enterprise-level performance insights and reporting