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Rajat DasRD
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Rajat Das

@rajatdas2

Senior QA Engineer at TCG Digital Solutions testing Agentic AI procurement responses, APIs, security, and performance.

India
Message

At TCG Digital Solutions, I perform end-to-end QA for web, mobile, telecom, voice-based, enterprise, and AI-enabled applications. I prepare test scenarios, cases, test data, and RTM coverage from business and functional requirements.

On Haldia Petrochemicals (HPL) - Agentic AI Procurement Project, I tested procurement prompts and multi-turn conversations, checking response accuracy, relevance, context retention, and role-based access. I compared AI-chat responses with dashboard and backend data, then created UAT scenarios and retested fixes.

I also test REST APIs with Postman and Swagger, perform web application security testing and VAPT with Burp Suite, and run load and performance tests using Apache JMeter. I support basic automation with Selenium WebDriver and Python, and validate data with SQL.

At Nucleus Software, I tested banking, lending, and financial applications, including business rules, transaction flows, collection modules, and integrations. I prepared test cases, supported automation and defect management, and contributed to release validation.

Experience

Work history, roles, and key accomplishments

TS
Current

Senior QA Engineer

TCG Digital Solutions

Apr 2020 - Present (6 years 7 months)

Performs end-to-end QA activities for web, mobile, telecom, voice-based, enterprise, and AI-enabled applications. Executes functional, regression, smoke, sanity, integration, end-to-end, and UAT testing, along with API, security, performance, and basic automation testing.

Education

Degrees, certifications, and relevant coursework

West Bengal University of Technology logoWT

West Bengal University of Technology

Bachelor of Technology, Computer Science

Completed a Bachelor of Technology in Computer Science from West Bengal University of Technology in 2016.

RT

RCC Institute of Information Technology

Polytechnic Diploma, Computer Science

Completed a Polytechnic diploma in Computer Science from RCC College, Kolkata in 2016.

Tech stack

Software and tools used professionally

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