Sr Specialist Performance Quality Engineer

Job Description:

Senior Performance Test Engineer

Location: Chennai/Hyderabad
Team: Engineering / QA
Experience: 10+ years
Type: Full-time

The Opportunity

We’re looking for a Senior Performance Test Engineer who isn’t just strong technically, but can also partner closely with our onshore performance manager to drive the direction of our performance engineering efforts. This is a hands-on technical and leadership role—perfect for someone who enjoys solving tough performance challenges and guiding a team.

What You’ll Do

• Own Performance Testing: Design and execute complex test scenarios to ensure optimal functional/code coverage and identify performance regressions or other anomalies. Establish performance baselines and identify key areas for improvements.
• Review and Recommend: Give feedback on code, architecture, and design with an eye toward making everything faster, more scalable, and more reliable.
• Be a Strategic Partner: Work as a counterpart to our onshore performance manager. Share insights, challenge ideas, and help shape performance strategy for a globally distributed team.
• Drive Non-Functional Requirements: Make sure performance, reliability, and scalability are always part of the conversation for every new feature or release.
• Model Real-World Use: Build and maintain realistic workload models. Make sure our tests actually reflect how people use our systems.
• Collaborate Across Teams: : Collaborate with architects and product owners to ensure NFR backlogs are maintained for the application, while also ensuring that each feature and epics have NFRs defined.
• Automate & Integrate: Set up automated performance tests in our CI/CD pipelines so issues are caught early.
• Improve Our Tooling: Build and maintain frameworks that make it easier for everyone to test and monitor performance.
• Communicate Clearly Share your findings—good or bad—with technical and business teams and make practical recommendations.

What You’ll Bring

• 10+ years’ experience in performance engineering, including testing, profiling, and tuning high-available and scalable mission critical applications.
• At least 3 years’ experience of leading performance testing & engineering practices for a suite of products, including web, mobile, and desktop applications. Ideally across multiple locations or time zones.
• Experience acting as a key contact or counterpart to management, influencing technical direction and strategy.
• Deep hands-on knowledge with tools like JMeter, LoadRunner, Gatling etc., as well as client-side performance analysis tools like lighthouse, WebPageTest.
• Proficient in monitoring and observability solutions, with a solid understanding of APM tools like Dynatrace, App Dynamics
• Proven experience in performance tuning and optimization of applications and systems. Proficient in application profiling tools like JProfiler, Yourkit
• Hands on experience in analyzing heap dumps and thread dumps to diagnose and resolve performance bottlenecks
• Strong programming skills in at least one language – Java, Python, C, C# etc., and comfortable applying this knowledge to solve real-world performance challenges.
• Strong background in reviewing system architecture and recommending improvements.
• Track record of building data-driven workload models and using real production telemetry.
• Solid experience working in cloud (AWS, Azure, GCP), on-prem, and hybrid environments. Knowledge of Kubernetes and container orchestration.
• Good working knowledge of both relational and NoSQL databases, and how to troubleshoot database performance.
• Comfort with DevOps practices and integrating performance testing in CI/CD pipelines.
• Strong analytical and communication skills—able to explain both technical and business impact.

Good to have

• Experience with chaos engineering.
• Prior experience in telecom domain and salesforce CRM.
• Knowledge of service virtualization and mocking tools.

Weekly Hours:

Time Type:

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It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.