NASRIN MOHAMMED
Software Tester | QA Engineer | SDET
About
Detail-oriented Software Tester / QA Engineer with 4+ years of end-to-end ownership across manual testing, web, API, backend, and performance testing in banking and fintech domains. Strong expertise in SDLC and STLC, functional, regression, integration, and UAT testing. Proficient in manual testing methodologies, defect management using JIRA and Azure DevOps, API testing with Postman and REST Assured, SQL-based database validation, and automation using Selenium and Pytest. ISTQB Certified with hands-on Agile/Scrum experience and a consistent record of improving software quality and reducing post-release defects.
Skills & Expertise (49)
Work Experience
Senior Software Quality Engineer
Infosys
Jul 2022 - Present
Developed, executed, and maintained detailed test cases, test plans, and test scenarios for web, mobile, and software applications covering functional, regression, integration, and UAT testing. Performed comprehensive manual testing of financial web applications — verifying UI flows, form validations, data rendering, and business logic against requirements. Designed a structured test case library improving module coverage across all application components, improving defect detection rate by 25%. Participated in UAT sessions with business stakeholders, coordinating acceptance criteria and sign-off for each release cycle. Identified, documented, and tracked bugs end-to-end using JIRA and Azure DevOps — managing the complete defect lifecycle from discovery through resolution and verification. Triaged reported issues, reproduced bugs, coordinated fixes with developers, and validated resolutions within Agile sprint cycles, addressing user feedback promptly. Maintained comprehensive QA documentation including test plans, defect reports, traceability matrices, and release quality reports. Led API test automation using Postman and REST Assured — built contract and schema validation suites covering all microservice endpoints, cutting manual API effort by 50%. Performed SQL-based database validation and data integrity checks for backend integration testing across financial modules. Validated backend data flows and integration points, identifying root-cause defects through strong debugging and log analysis skills. Collaborated with engineering and data teams throughout the full SDLC — from requirements gathering, story grooming, and sprint planning to release validation. Participated actively in Agile/Scrum ceremonies: daily standups, sprint planning, backlog refinement, retrospectives, and QA discussions. Drove shift-left QA by participating in design reviews and static analysis checks — reducing post-release production defects by 30%. Developed and maintained Python-based automated test scripts using Pytest for functional and regression testing of web and backend components. Designed and maintained a Selenium-Java POM framework with TestNG XML suites enabling 500+ regression test cases, reducing cycle time from 5 days to 2 days. Integrated Pytest and Selenium suites into Jenkins and GitHub Actions CI/CD pipelines, triggering automated regression on every PR and deployment. Used JMeter to design and execute performance, stress, and load tests — validating application scalability and stability under high transaction loads in banking environments. Analyzed JMeter results to identify bottlenecks and collaborated with engineering teams to drive performance improvements. Authored test strategy documents defining framework standards, coverage targets, and entry/exit criteria for all sprint releases. Mentored junior QA engineers on manual testing, Pytest, Gherkin writing, JIRA workflows, and CI/CD best practices. Generated Extent Reports and Allure Reports with trend analytics for stakeholder-driven release decisions.
Education
B.Tech — Electrical and Electronics Engineering - Rajiv Gandhi University of Knowledge Technologies (IIIT Basar)
2018 - 2022 · Afghanistan
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Skills (49)
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