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Chennai
Gunaseelan V

Gunaseelan V

Automation Tester | Java Developer

Technology / Internet

Chennai, Chennai district

Social

Services offered

Versatile QA Automation Engineer with strong hands-on experience in Selenium WebDriver, TestNG, and API automation using Java. Proven track record of designing scalable test frameworks for high-performance microservices-based applications. Also experienced in Java, Spring Boot, and REST APIs, enabling a deeper understanding of backend systems and enhancing test coverage and quality. Skilled in ensuring end-to-end quality through continuous testing, CI/CD integration, and effective collaboration with developers and business teams.

Automation tester
Microservices testing
Java developer
Api automation
Qa automation engineer
Test framework design
Approximate rate: ₹ 300 per hour

Experience

Executed and maintained
600+ automated Smoke and P1 test cases
across
Staging and Production
environments, ensuring high test coverage and daily validation of test outcomes
Optimized P1 test suite
by merging 70+ redundant scenarios, reducing total count from ~500 to ~425 and significantly improving test execution efficiency
Reviewed and analyzed
UAT-1, Beta, and Production build results
, validating Smoke, P1, and CBT test cases to ensure defect-free releases
Proactively
enhanced automation framework
to accommodate locator updates, workflow changes, and newly introduced features
Developed and integrated
100+ new automated test cases
aligned with evolving functional requirements and user stories
Optimized GitLab YAML pipeline
configuration, adjusted thread count, and stabilized scripts, reducing total execution time by
45 minutes
(from 2h15m to
1h30m
)
Minimized UAT-1 smoke test failures
from ~50 to ~15 by debugging test scripts, updating dynamic locators, and handling out-of-stock product issues
Ensured
zero script-related failures
in CI/CD pipelines through modular, environment-agnostic, and clean test script practices

Above & Beyond Award (Jan 2025)
Recognized as a proactive and inspiring team player who ensured early start, thorough reviews, and issue resolution across the team.
Victory League Award (June 2025)
Appreciated for going above and beyond in project delivery, demonstrating ownership and teamwork.
Victory League Award (July 2024)
Acknowledged for immense support during Mother's Day 2024 project release.
League of Superstars (Nov 2023)
Honored for ensuring error-free build execution, effective cross-browser testing analysis, and outstanding contribution during Valentine’s and Mother’s Day releases.

Dental Clinic Management System
Dental Clinic Management System supporting patient registration and appointment scheduling
Designed and implemented a backend system for a dental clinic using a modular microservices architecture
Developed RESTful microservices for patient and appointment management using Spring Boot
Enabled partial and full updates using DTO, PATCH/PUT mappings, and conditional service-layer logic
Integrated Spring Data JPA with MySQL for persistence, using custom queries and repository interfaces
Handled error scenarios like duplicate phone numbers and invalid enum values

Education

BE - Metallurgical Engineering

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