Job
Description
Systems Engineer III - Performance Engineer What is in it for you At Tesco, we are committed to providing the best for you. As a result, our colleagues enjoy a unique, differentiated, market- competitive reward package, based on the current industry practices, for all the work they put into serving our customers, communities and planet a little better every day. Our Tesco Rewards framework consists of pillars - Fixed Pay, Incentives, and Benefits. Total Rewards offered at Tesco is determined by four principles -simple, fair, competitive, and sustainable. Salary - Your fixed pay is the guaranteed pay as per your contract of employment. Leave Time-off - Colleagues are entitled to 30 days of leave (18 days of Earned Leave, 12 days of Casual/Sick Leave) and 10 national and festival holidays, as per the company s policy. Making Retirement Tension-FreeSalary - In addition to Statutory retirement beneets, Tesco enables colleagues to participate in voluntary programmes like NPS and VPF. Health is Wealth - Tesco promotes programmes that support a culture of health and wellness including insurance for colleagues and their family. Our medical insurance provides coverage for dependents including parents or in-laws. Mental Wellbeing - We offer mental health support through self-help tools, community groups, ally networks, face-to-face counselling, and more for both colleagues and dependents. Financial Wellbeing - Through our financial literacy partner, we offer one-to-one financial coaching at discounted rates, as well as salary advances on earned wages upon request. Save As You Earn (SAYE) - Our SAYE programme allows colleagues to transition from being employees to Tesco shareholders through a structured 3-year savings plan. Physical Wellbeing - Our green campus promotes physical wellbeing with facilities that include a cricket pitch, football field, badminton and volleyball courts, along with indoor games, encouraging a healthier lifestyle. You will be responsible for Collaborate with product managers and developers to understand product requirements and contribute to performance-focused design discussions. Create and maintain comprehensive non-functional test cases and use cases tailored to performance testing needs. Translate NFRs into detailed performance and security test plans, including SLAs, SLOs, and capacity benchmarks. Develop detailed performance test plans, including test cases and test data, and ensure alignment with business expectations. Execute various types of performance testing such as load, stress, scalability, and endurance tests to assess system behaviour under different conditions. Analyse performance test results to identify bottlenecks and inefficiencies and provide actionable insights for resolution. Monitor system performance using diagnostic tools and provide real-time feedback during testing cycles. Automate performance tests using modern, open-source tools and scripting languages to streamline testing processes. Collaborate with DevSecOps to integrate security testing into CI/CD workflows and enforce shift-left security practices. Document and report security vulnerabilities with risk ratings, reproduction steps, and remediation guidance. Work closely with QE, DevOps, and Development teams to ensure performance and security best practices are embedded throughout the SDLC. Provide detailed test reports, dashboards, and technical documentation for stakeholders. You will need Bachelor s degree in computer science or a related engineering discipline. 12+ years of experience in Quality Engineering preferably in retail orgs or product organisations Application Testing: Hands-on experience in performance testing of APIs, microservices, web applications, and native mobile apps. Performance Testing Tools: Proficient in industry-standard tools such as JMeter, K6, Locust, Gatling, etc for load and stress testing. Scripting Automation: Strong programming skills in Java, Python, and Shell scripting for developing and automating performance test scripts. Monitoring Diagnostics: Expertise in using APM and logging tools - AppDynamics, Dynatrace, Splunk, New Relic, RunScope, Grafana to monitor analyze system performance. Cloud Containerization: Solid understanding of cloud platforms (Azure), container orchestration (Kubernetes), and containerization (Docker) for scalable performance testing. Database Performance: Ability to analyze and optimize SQL queries and database performance; familiarity with SQL, NoSQL databases, and pub-sub messaging systems. Infrastructure Knowledge: Understanding of load balancers, infrastructure design, and application architecture in both Azure cloud and on-premises environments. Security Tools: Experience with security and vulnerability assessment tools such as Burp Suite, OWASP ZAP, Metasploit, Nessus, and Nmap. Security Best Practices: Strong grasp of OWASP Top 10, CWE/SANS Top 25, and secure coding principles. Operating Systems: Comfortable working in Linux/Unix environments. Analytical Skills: Excellent problem-solving, debugging, and troubleshooting abilities. Communication: Strong verbal and written communication skills, with the ability to convey complex technical concepts clearly.
