Raj shankar singh User
@rajshankarsinghuser
Lead QA Engineer driving quality through test strategy, automation, and cross-functional leadership.
IndiaWhat I'm looking for
I am a results-driven Lead QA Engineer with extensive experience leading global teams and improving software quality across fintech, AI, analytics, EdTech, and SaaS products. I combine technical test automation skills with hands-on manual testing and strong process ownership to ensure reliable releases.
I have led QA initiatives for multiple products, built test strategies, authored test cases and RTMs, and executed integration, regression, performance, API, and mobile testing using tools such as Selenium (Python), Postman, JMeter, BlazeMeter, BrowserStack, and Katalon Studio. I collaborate closely with developers, BAs, and stakeholders to triage defects and drive timely resolutions.
Certified in Azure Fundamentals (AZ-900), I emphasize CI/CD, version control, and cloud-based testing workflows to improve efficiency and delivery. I am committed to process optimization, measurable quality metrics, and mentoring teams to raise testing maturity and product reliability.
Experience
Work history, roles, and key accomplishments
Lead QA Engineer
Credilinq Pvt. Ltd
Aug 2023 - Jul 2024 (11 months)
Directed QA initiatives for fintech products including Partner Application and Funding Partner Portal, conducting system integration testing and collaborating with developers to resolve critical bugs and ensure high-quality releases.
Senior QA Engineer
Webonise Lab Pvt. Ltd
Nov 2022 - Aug 2023 (9 months)
Led QA for Recolab, SonyAtlas, and Olympus, spearheading test case creation, execution, defect management, and delivering test reports and quality metrics to support release decisions.
Senior QA (Team Lead)
Codewave Technologies
Sep 2021 - Jun 2022 (9 months)
Managed QA for AcadsHR and Stockydodo, created detailed test scenarios and RTMs, executed regression and smoke tests, and used Selenium automation to streamline test execution and defect triage.
Senior QA Engineer
Cloud Garner
Dec 2018 - Sep 2021 (2 years 9 months)
Directed QA across 7+ projects, developed and executed test cases per specifications and traceability matrices, performed integration, system, functional and regression testing, and conducted API testing with Postman.
Junior QA Engineer
Nathcorp
Jul 2017 - May 2018 (10 months)
Conducted QA for Bibliotheca digital library, executing functional and manual test cases and reporting defects to improve product quality.
Education
Degrees, certifications, and relevant coursework
Kolhan University
Bachelor of Technology, Computer Science & Engineering
B. Tech in Computer Science and Engineering completed at Kolhan University, awarded in August 2017.
State Board of Technical Education, Jharkhand
Diploma, Computer Science & Engineering
Diploma in Computer Science and Engineering awarded by SBTE, Jharkhand in December 2013.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Job categories
Skills
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