Senior Performance Engineer

Date: 25 Feb 2025

Company: Qualitest Group

Country/Region: IN

We are seeking an experienced and skilled Senior Software Performance Tester with a strong background in performance and API testing. The ideal candidate should have hands-on experience with JMeter for performance testing, proficiency in APM tools like Dynatrace, Instana, AWS and a proven ability to work on multiple projects while ensuring timely task delivery. The role also involves client communication and collaboration, making excellent communication skills essential. Additionally, experience in API testing is critical to the success of the candidate in this role.Key Responsibilities:- Lead performance testing efforts using JMeter for load, stress, and scalability testing of web and API applications.- Design, develop, and execute performance test scripts for both UI and API endpoints to simulate real-world load and identify performance bottlenecks.- Conduct thorough API testing, including functional, performance, security, and reliability testing using tools like Postman, SoapUI, or similar.- Analyze test results and generate detailed reports with recommendations for performance improvements for both application and API layers.- Use APM tools (Dynatrace, Instana, AWS) to monitor application performance, troubleshoot issues, and identify optimization opportunities across systems.- Collaborate with development, QA, and DevOps teams to ensure seamless integration of performance testing into the CI/CD pipeline.- Debug performance-related issues in applications and APIs, providing actionable solutions for optimization.- Work on multiple projects simultaneously and ensure timely completion of performance testing tasks within defined project timelines.- Maintain clear and effective communication with clients to provide updates, discuss findings, and address performance-related concerns for both applications and APIs.- Contribute to the development of best practices and strategies for performance and API testing.- Continuously improve knowledge of performance and API testing tools, methodologies, and emerging technologies.Required Skills & Qualifications:- Bachelor’s degree in Computer Science, Engineering, or related field.- Minimum of 5+ years of hands-on experience in Software Performance Testing, with a focus on both web and API performance testing.- Strong expertise in performance testing with JMeter (load, stress, endurance testing).- Experience with API testing tools like Postman, SoapUI, or similar for functional and performance API testing.- Proficiency in using APM tools such as Dynatrace, Instana, and AWS for performance monitoring and diagnostics.- Experience with cloud platforms like AWS for performance testing in distributed environments.- Solid debugging skills to identify and resolve performance bottlenecks in complex applications and APIs.- Deep understanding of web technologies, APIs, databases, and networking concepts.- Ability to manage multiple tasks and prioritize effectively in a fast-paced environment.- Strong client-facing communication skills, with the ability to explain technical issues and findings clearly and concisely.- Experience working in Agile/Scrum environments.- Knowledge of scripting languages (e.g., Groovy, Python) is a plus.- Certification in performance testing or related fields is a plus.Preferred Skills:- Experience with other performance testing tools such as LoadRunner, Gatling, or Neoload.- Knowledge of CI/CD tools like Jenkins, GitLab, or similar.- Familiarity with containerization (Docker, Kubernetes) and microservices-based architectures.- Strong problem-solving and analytical skills.3 must havesPerformance Testin g4/5Jmeter 4/5Ci/CD 3/5