Senior Performance Engineer

TJX Europe

At TJX Companies, every day brings new opportunities for growth, exploration, and achievement. You'll be part of our vibrant team that embraces diversity, fosters collaboration, and prioritizes your development. Whether you're working in our four global Home Offices, Distribution Centers or Retail Stores-TJ Maxx, Marshalls, Homegoods, Homesense, Sierra, Winners, and TK Maxx, you'll find abundant opportunities to learn, thrive, and make an impact. Come join our TJX family-a Fortune 100 company and the world's leading off-price retailer.

Job Description:

Job Summary: We are seeking a Senior Performance Engineer to optimize the performance and reliability of our software systems with Global IT Supply Chain Solutions focusing on but not limited to Vendor collaboration & Transport Management Applications. The ideal candidate will have extensive experience in performance testing, bottleneck analysis, and monitoring tools, with a strong experience using NeoLoad and a good understanding of setting up Monitoring Tools.

Key Responsibilities:

• Design and execute performance test strategies using Neo Load and working with Product Management on NFR Requirement gathering.
• Develop and maintain performance testing scripts on the in house PTAF - Performance Test Automation framework.
• The ability to work carry out performance testing on multiple products simultaneously.
• Analyze system performance, identify bottlenecks, and implement optimizations.
• Collaborate with development teams to ensure performance best practices.
• Utilize monitoring tools (e.g., Splunk, AppDynamics, Appinsights) to track system health and performance metrics.
• Generate comprehensive performance analysis reports and present findings.
• Conduct load, stress, and scalability testing to ensure system reliability.
• Help support the upskill for other engineers on the team on performance scripting / testing.
• Stay updated with the latest performance testing methodologies and tools.

• Minimum of 5+ years of experience in performance engineering or related roles.
• Strong expertise in NeoLoad for load and stress testing.
• Experience with performance monitoring tools such as Splunk, AppDynamics, Dynatrace.
• Proficiency in performance tuning and troubleshooting complex systems E2E - End to End.
• Strong understanding of API Performance testing and testing input & endpoints using REST API.
• Solid understanding of system architecture's, cloud environments, and databases & Integrations.
• Strong experience using writing Database queries (SQL).
• Efficient in creating BULK Datasets required for Load Testing.
• Strong analytical and problem-solving skills & Excellent communication, Great Presentation skills and teamwork abilities.
• Worked in Agile Environment / teams (SAFE Agile) & familiar with using JIRA & Confluence.
• Good understanding of how to use Git / GitHub and push/merge code into Repository.
• Know how to utilize Parallel Execution for more efficient ways of working.

• Familiarity with scripting languages (Python, Shell, JavaScript & BDD).
• Knowledge of containerized environments.
• Knowledge of BDD Automation Tetsing.
• Knowledge of using CI/CD (Jenkins & Azure) to execute performance regression.
• Manual / Automation Testing Experience / ISTQB Qualifications or similar

TJX is the leading off-price apparel and home fashions retailer in the U.S. and worldwide, with four global home offices, seven brands, and nearly 4,700 stores in nine countries, and five distinctive branded e-commerce sites. As Associates, we make a difference with our contributions—collaborating in delighting shoppers with hidden treasures. Our merchandise is ever-changing and the sense of wonder never-ending at the stores our customers love.