Quality Assurance @ Paytm

Job Description

As an experienced Software Engineer, you will work in a dynamic, agile team to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Depending on the team that you join, you could be developing mobile features that give our customers and clients more control over how they bank with us, strategizing on how big data can make our trading systems quicker, creating the next innovation in payments for merchants, or supporting the integration of our private and public cloud platforms.

Y Performance Engineer will be responsible for some of the following functions:

• Develops JMETER scripts, add them to Blazmeter and draws meaningful conclusion from the results
• 10 or more years of experience in field of Performance engineering , looking at heap dumps, thread dump and doing deeper analysis on performance issues
• Experience with standard profiling/monitoring tools Dynatrace, Grafana, Jprobe, JCONSOLE etc
• Expertise with various programming languages/concepts (JAVA, J2EE, Java Script, JSON, AJAX, Spring, HTML5, etc.)
• Provides tuning recommendations to resolve complex performance issues (response time, throughput, Heap, CPU and garbage collection etc.)
• Analyzes performance test results to evaluate impacts on production infrastructure and make comparisons with previous release benchmarks
• Able to develop test data tools using Java, groovy, Python as required
• Performs in-depth technical root cause analysis for high priority issues spanning all technology layers/stacks
• Works with cross functional project teams to define performance metrics and acceptance criteria
• Models technical requirements to evaluate performance impacts
• Review application functionality and collaborate with development to determine performance testing requirements
• Gain a working knowledge of the technical details of the system under test
• Learn to use all the tools available for monitoring the perf environment
• Review test executions to confirm that performance tests are valid and operating as expected
• Identify issues in the test execution, test data, performance environment that are impacting the test
• Provide root cause analysis and Engage the appropriate AD partners, product, architecture team for issues
• Must have working knowledge across all major tiers/technologies associated with distributed web applications (e.g. Java development, web server setup/administration, application server setup/administration, basics of TCP/IP and HTTP/S protocols, SQL, etc.)
• Must have excellent problem solving and critical thinking skills
• Financial industry experience is a plus
• Expert written and communication skills
• Mentors junior developers and engineers
• Works with cross functional project teams to define performance metrics and acceptance criteria
• Models technical requirements to evaluate performance impacts
• Must have working knowledge across all major tiers/technologies associated with distributed web applications (e.g. Java development, web server setup/administration, application server setup/administration, basics of TCP/IP and HTTP/S protocols, SQL, etc.)

Skills/Technology

• Testing Tools: JMETER, Blazmeter,
• Monitoring Tools: Kibana, Grafana
• Performance Engineering Deep dive tools: DynaTrace, JVM thread and Java Heap monitoring and analysis tool
• Development skills: Java Development Skills (Ability to read and write the application code), groovy
• Other Skills : Jenkins, CI/CD pipeline,Microservices Architecture, Oracle Database

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Keyskills:   root cause analysis big data test data web server root cause project teams test execution problem solving trading systems web applications critical thinking application server garbage collection performance testing performance metrics project administration technical requirements performance engineering sql cpu