Performance Tester

We are looking for a highly skilled and experienced Performance Tester to join our analytics and business intelligence team at Staples India .

About the Company:

Staples is a US-based organization and industry leader in workspace products offering a wide range of furniture, technology, cleaning products, and traditional office supplies. With over 900 stores across the US, Staples serves millions of customers daily, primarily within the US through its e-commerce platform, Staples.com.

Job Title: Software Engineer – Performance Engineering

Location: Staples India, GLOBAL INFOCITY PARK, Perungudi, Chennai 600096

Position Description: Play a key role in developing, testing, and maintaining software components and applications aligned with business and technical requirements. Design and execute performance testing strategies using tools such as JMeter, Locust, or LoadRunner. Analyze system performance and identify bottlenecks through diagnostics including heap/thread dumps, TCP dumps, and Wireshark. Provide tuning recommendations and collaborate with developers and infrastructure teams to optimize performance.

Monitor and optimize server-side and browser-side performance using tools like Lighthouse, Catchpoint, Chrome DevTools, and WebPageTest. Collaborate cross-functionally with developers, SREs, and QA to embed performance best practices throughout the SDLC. Participate in code reviews to ensure code quality, performance, and adherence to architectural standards. Assist in troubleshooting and resolving software defects, including performance-related issues.

Continuously learn and apply best practices in software development, performance engineering, quality, and security. Contribute to the design of new features and improvements to existing applications with a performance-first mindset.

Required Education : Requires a bachelor's degree in computer science, Engineering, or a directly related field of study.

Good to have Certifications: JMeter, Azure, GCP, AI/ML, Splunk, New Relic

Minimum 2-5 years with the following technologies (experience may be gained concurrently):

• Performance & Observability: JMeter, Locust, LoadRunner, New Relic, Splunk, Wireshark, heap/thread dumps, TCP dumps, Lighthouse, Catchpoint
• Languages & Frameworks: Java, JavaScript, Shell, Groovy, PERL
• Infrastructure & Tools: Azure, AKS
• Diagnostics: Fiddler, Chrome DevTools, Webpage Test
• Proven expertise in performance testing, diagnostics, and tuning of distributed systems.
• Strong scripting/automation (Shell, Python, PERL), infrastructure-as-code.
• Deep understanding of microservices, cloud-native, container orchestration.
• Skilled in APM tools (New Relic, Dynatrace), log analysis (Splunk), browser-side optimization.

Excellent communication/leadership, cross-functional collaboration.