Performance Test Lead / Senior Performance Engineer || Toronto ON || Fulltime FTE

Role: Performance Test Lead / Senior Performance Engineer



Location: Toronto, ON



Work Model: Hybrid



Experience: 4 6 Years



Employment Type: Full-Time

Job Description:

We are seeking an experienced Performance Test Lead / Senior Performance Engineer with strong hands-on expertise in Apache JMeter and LoadRunner . The candidate will lead the performance testing lifecycle, develop complex workload models, identify application bottlenecks, and work closely with development and DevOps teams to ensure application scalability, stability, and reliability.

Key Responsibilities:

Define and execute performance testing strategies, plans, workload models, and test scenarios .
Perform Load, Stress, Spike, Endurance, and Scalability Testing .
Develop and maintain advanced, reusable JMeter performance test scripts .
Create and execute performance tests using LoadRunner / LoadRunner Enterprise .
Analyze test results, identify performance bottlenecks , and provide optimization recommendations.
Monitor application, database, infrastructure, and network performance during test execution.
Define performance entry/exit criteria, SLAs, workload models, and performance baselines .
Collaborate with developers, architects, DevOps, and infrastructure teams to troubleshoot performance issues.
Lead performance test execution and coordinate with junior performance engineers.
Prepare performance test reports, dashboards, defect reports, and recommendations for stakeholders.
Support performance testing integration with CI/CD and DevOps pipelines where required.

Required Skills:

4 6 years of experience in Performance Testing / Performance Engineering .
Strong hands-on experience with Apache JMeter .
Strong experience with LoadRunner / LoadRunner Enterprise .
Experience developing complex performance test scripts and workload models .
Strong knowledge of Load, Stress, Spike, Endurance, and Scalability Testing .
Experience with performance monitoring, analysis, and bottleneck identification .
Understanding of application, database, network, and infrastructure performance .
Experience defining SLAs, performance baselines, and acceptance criteria .
Good understanding of REST APIs, web applications, and distributed systems .
Experience working with DevOps, CI/CD, and Agile teams .
Strong leadership, analytical, troubleshooting, communication, and documentation skills.

Preferred Skills:

Performance testing in cloud environments (Azure/AWS) .
Experience with Grafana, Dynatrace, AppDynamics, Splunk, or similar monitoring tools .
Scripting/programming knowledge in Java, JavaScript, or Python .
Experience integrating JMeter/LoadRunner with CI/CD pipelines .
Experience leading or mentoring performance testing teams.