Hi, I’m
Thomas J Sebastian
Selenium Automation Engineer
Kochi
Summary
Specialist in Selenium, REST Assured, API and UI testing, Microservices, and Java-based frameworks, demonstrating a strong command of automation technologies.
Overview
15
years of professional experience
2
Certifications
Work History
Tata Consultancy Services (TCS)
Onsite Lead & Senior Automation Engineer
04.2015 - Current
Job overview
- Onsite lead responsible for client interaction, requirement analysis, and delivery management.
- Discovery Insurance Project (South Africa) | 2020 – Present
- Designed and customized policy creation automation framework, enabling dynamic policy generation.
- Achievements:
- Implemented API-based solution reducing regression execution time from 20 minutes to 10 seconds.
- Improved test efficiency and significantly boosted release velocity.
GOSI Insurance Project
01.2018 - 01.2020
Job overview
- Automated insurance claims module with API & UI testing using Java, Selenium, REST Assured.
- Customized frameworks to adapt to client needs under stringent timelines and high-pressure conditions.
- Played a critical role in ensuring successful project delivery within aggressive deadlines.
American Express Project
01.2015 - 01.2018
Job overview
- Developed and maintained automation suites using Selenium + Java for travel card platforms.
- Conducted backend and blockchain implementation testing.
- Improved automation coverage, reducing manual QA workload and enhancing system reliability.
- Key Contributions across TCS:
- Migrated legacy systems to modern Java versions, enabling microservices transformation.
- Automated Kafka-based event-driven communications and integrated Amazon S3 for file validations.
- Built a reusable data generation framework handling 10K+ fields, reducing test preparation time by 60%.
- Mentored junior engineers, led sprint ceremonies, and enforced Agile best practices.
- Consistently recognized with client appreciations for timely delivery & quality.
Cool Minds Incorporate
Junior Software Engineer (Developer)
06.2011 - 03.2015
Job overview
- Developed e-commerce loyalty card platform for major retail chains using Java, Struts2, Hibernate, Maven.
- Acted as client-facing developer, eliciting requirements and ensuring on-time delivery.
- Implemented CI/CD pipelines with Jenkins & GitLab CI/CD, supporting continuous integration.
- Enhanced customer experience by developing features enabling retail-specific loyalty benefits.
Education
Rajagiri College of Social Sciences
MCA – Master of Computer Applications
01.2011
Sacred Hearts CollegeThevara
B.Sc. from Computer Applications with Statistics & Mathematics
01.2008
Skills
Test automation expertise Selenium proficiency REST Assured knowledge Cucumber framework TestNG and JUnit Karate testing WireMock simulation
Performance testing tools: JMeter and LoadRunner
Java and SQL expertise PostgreSQL and MySQL proficiency Hibernate framework knowledge Database management skills
Struts2 and Spring Boot Microservices architecture Kafka messaging Blockchain testing
Cloud computing and DevOps tools AWS (S3) Containerization with Docker Continuous integration and delivery Version control with Git and Bitbucket Code quality analysis with SonarQube Source control with SVN
Agile leadership and Scrum Requirements analysis Client interaction Team mentorship Onsite coordination
Certification
Selenium (V-Skills Certified)
Personal Information
- Relocation: Open to Relocation/Remote
- Availability: Open to Relocation/Remote, India
Awards Recognition
- Branch Excellence Award
- Star of the Month
- 10+ On-the-Spot Awards for Quality Delivery & Innovation
Timeline
GOSI Insurance Project
01.2018 - 01.2020
Onsite Lead & Senior Automation Engineer
Tata Consultancy Services (TCS)
04.2015 - Current
American Express Project
01.2015 - 01.2018
Junior Software Engineer (Developer)
Cool Minds Incorporate
06.2011 - 03.2015
Rajagiri College of Social Sciences
MCA – Master of Computer Applications
Sacred Hearts College
B.Sc. from Computer Applications with Statistics & Mathematics