raj kumar

QA Test Engineer

Gurugram, Haryana, India 6+ yrs exp 90 · Outstanding

About

QA Test Engineer with 7 years of hands-on experience in Manual Testing, AI/ML Application Testing, API Testing, and Performance Testing. Proven expertise in designing and executing comprehensive test strategies including Smoke, Regression, Sanity, and Integration Testing across web, mobile, and bot-based platforms. Skilled at both functional and regression testing levels, with solid experience in Agile/Scrum delivery. Strong command over SQL, Grafana, and modern AI/ML testing approaches.

Skills & Expertise (25)

ML Testing Advanced

8.0/10

Years Exp

Defect Management Advanced

8.0/10

Years Exp

Scrum Advanced

8.0/10

Years Exp

Agile Advanced

8.0/10

Years Exp

Jira Advanced

8.0/10

Years Exp

Postman Advanced

8.0/10

Years Exp

API Testing Advanced

8.0/10

Years Exp

Manual Testing Advanced

8.0/10

Years Exp

Test Case Design Advanced

7.5/10

Years Exp

Security Testing Advanced

7.5/10

Years Exp

Mobile Testing Advanced

7.5/10

Years Exp

Analytics Advanced

7.0/10

Years Exp

MongoDb Advanced

7.0/10

Years Exp

SQL Advanced

7.0/10

Years Exp

Confluence Advanced

7.0/10

Years Exp

AI smoke testing Test Plan & Strategy STLC SDLC Redis Grafana JMeter Load Testing Regression Testing

Work Experience

QA Engineer

ValueFirst Digital Media Pvt. Ltd.

Jul 2021 - Present

Performed manual testing on AI-powered chatbot platforms (Surbo) — validated NLP intent recognition, conversation flows, and fallback scenarios across Telegram, WhatsApp, Facebook, and Web bots. Executed regression and sanity testing web platform through structured manual test cycles. Executed database validation queries in SQL Server and MongoDB to verify data integrity and backend transformations. Conducted smoke testing post every build deployment; performed mobile testing (Android & iOS) for functional and UI coverage. Authored test plans, test cases, and bug reports in JIRA/Confluence; supported UAT and client sign-off activities. Validated Analytics reports by verifying data accuracy, report generation, and storage of bot interaction metrics.

QA Test Engineer

Oodles Technology Pvt. Ltd.

May 2019 - Jan 2021

Led end-to-end QA for enterprise platforms — handled test planning, execution, and defect triage across large-scale systems. Designed and executed Smoke, Regression, Sanity, and Integration test suites, achieving 98% test coverage across release cycles. Performed AI/ML model validation — verified model accuracy and edge case handling for ML-driven features. Conducted API testing using Postman; validated Kafka message queues for data flow accuracy and integrity. Monitored system health using Grafana dashboards; identified performance bottlenecks before production releases. Ran load testing using JMeter and performed security testing (XSS, SQLi) in collaboration with the Dev team. Tracked defects in JIRA and actively participated in Agile ceremonies — stand-ups, sprint planning, and retrospectives.