Debayan Mukherjee

SDET | Senior QA Automation Engineer | Data Quality Engineer

Kolkata, India 4+ yrs exp 88 · Excellent

About

Results-driven SDET and QA Automation Engineer with 4+ years of experience designing and implementing robust test automation frameworks across Web, API, Mobile, and ETL/Data layers. Proven track record of automating 1,000+ test scenarios and reducing manual testing effort by 65%. Expertise in Selenium, Java, Python, Cucumber BDD, Rest Assured, Cypress, and Informatica PowerCenter. Adept at driving quality engineering in Agile/CI-CD environments with a strong focus on bug detection, regression testing, and data validation.

Skills & Expertise (30)

Selenium WebDriver Advanced

8.5/10

Years Exp

Postman Advanced

8.0/10

Years Exp

API Automation Advanced

8.0/10

Years Exp

Jenkins Advanced

8.0/10

Years Exp

Cypress Intermediate

7.5/10

Years Exp

Cucumber BDD Intermediate

7.5/10

Years Exp

Java Intermediate

7.5/10

Years Exp

Python Intermediate

7.5/10

Years Exp

REST Assured Intermediate

7.5/10

Years Exp

Microservices Testing Intermediate

7.5/10

Years Exp

SQL Intermediate

7.5/10

Years Exp

Data Validation Intermediate

7.0/10

Years Exp

Regression Testing Intermediate

7.0/10

Years Exp

Functional Testing Intermediate

7.0/10

Years Exp

Git Intermediate

7.0/10

Years Exp

Jira Intermediate

7.0/10

Years Exp

ETL Testing Intermediate

7.0/10

Years Exp

Informatica PowerCenter Intermediate

7.0/10

Years Exp

JavaScript Intermediate

7.0/10

Years Exp

Pytest Intermediate

7.0/10

Years Exp

TestNG Intermediate

7.0/10

Years Exp

SSMS Intermediate

6.5/10

Years Exp

Oracle SQL Developer Intermediate

6.5/10

Years Exp

Appium Intermediate

6.5/10

Years Exp

Manual Testing Intermediate

6.5/10

Years Exp

smoke testing Intermediate

6.5/10

Years Exp

sanity testing Intermediate

6.5/10

Years Exp

Integration Testing Intermediate

6.5/10

Years Exp

Cd pipelines AI Fundamentals

Work Experience

Software Quality Engineer (SDET)

Infosys Ltd

Feb 2022 - Jul 2025

Designed and maintained scalable test automation frameworks using Selenium, Java, and Cucumber BDD across multiple enterprise projects. Automated 1,000+ Selenium test scenarios, achieving a 65% reduction in manual testing effort and accelerating release cycles. Improved bug detection rate by 50% through robust automated test suites integrated into CI/CD pipelines via Jenkins. Developed and optimized SQL queries for Middleware and Database Synchronization Automation, ensuring data integrity across systems. Led ETL testing activities using Informatica PowerCenter — designed and executed data validation workflows for regression testing and database validation. Collaborated with TDM (Test Data Management) teams to coordinate code updates, defect tracking, and status reporting. Performed API testing and automation using Postman and Rest Assured for microservices-based architectures. Investigated and defined testing architecture strategies; executed test cases aligned with business and functional requirements. Increased overall test coverage and transitioned manual test cases to automated regression suites.

Sales & Marketing Intern

Lighting Solution

Apr 2021 - Jan 2022

Conducted market research and competitor analysis to support product positioning. Engaged with clients for lead generation and customer relationship management activities.