I am an accomplished Senior Java Developer with over 11 years of experience in designing, developing, and deploying scalable software applications. I excel in Java, Spring Boot, REST APIs, and cloud technologies, with strong Agile methodology exposure. I thrive on delivering enterprise-grade solutions, guiding cross-functional teams, and aligning technology with business goals. Most of my recent work with TCS and Westpac centers on building robust APIs, data integration, and ESG governance tooling. I enjoy turning complex requirements into maintainable, secure software and continuously improving processes through automated testing and governance practices such as OpenAPI specifications.

HAMNA M H

I am an accomplished Senior Java Developer with over 11 years of experience in designing, developing, and deploying scalable software applications. I excel in Java, Spring Boot, REST APIs, and cloud technologies, with strong Agile methodology exposure. I thrive on delivering enterprise-grade solutions, guiding cross-functional teams, and aligning technology with business goals. Most of my recent work with TCS and Westpac centers on building robust APIs, data integration, and ESG governance tooling. I enjoy turning complex requirements into maintainable, secure software and continuously improving processes through automated testing and governance practices such as OpenAPI specifications.

Available to hire

I am an accomplished Senior Java Developer with over 11 years of experience in designing, developing, and deploying scalable software applications. I excel in Java, Spring Boot, REST APIs, and cloud technologies, with strong Agile methodology exposure. I thrive on delivering enterprise-grade solutions, guiding cross-functional teams, and aligning technology with business goals.

Most of my recent work with TCS and Westpac centers on building robust APIs, data integration, and ESG governance tooling. I enjoy turning complex requirements into maintainable, secure software and continuously improving processes through automated testing and governance practices such as OpenAPI specifications.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert

Work Experience

Technical Lead – API Developer (Group Customer Master) at TCS
March 1, 2025 - Present
Led API development for the Group Customer Master (Westpac) to manage customer and group relationship data. Designed and implemented RESTful APIs for arrangement retrieval, group arrangement removal, and consolidated view services using Java Spring Boot. Integrated with upstream UCM services, ensured secure data exchange via Swagger/OpenAPI contracts, implemented session token validation, error handling, and governance through OpenAPI specifications. Participated in sprint planning, requirement analysis, and code reviews aligned with Westpac standards.
Technical Lead – Java & Data Migration at TCS
January 1, 2024 - February 1, 2025
Led a project to develop an ESG performance reporting tool across multiple project themes. Built a library of metrics for ESG tracking and established an AWS-based deployment architecture. Directed a large-scale customer data migration from MySQL to PostgreSQL using Java, Hibernate, and batch jobs, delivering error-free cutover across multiple applications. Designed chunk-oriented jobs with entity mappings, data transformations, and schema parity. Gathered requirements and translated them into technical deliverables aligned with ESG goals.
Technical Lead – Java at TCS
January 1, 2023 - December 1, 2023
Collaborated with the National University of Singapore and Singapore Stock Exchange on ESG governance indexing. Built machine learning logic to parse sustainability reports and extract ESG metrics.
Technical Lead – Java at TCS
May 1, 2022 - December 1, 2022
Contributed to an EU taxonomy project assessing sustainable investment value. Analyzed ESG data for a UK bank to identify sustainability risks and compliance metrics; defined ESG requirements and created standardized reporting templates.
Developer – Java at TCS
January 1, 2020 - April 1, 2022
Built web applications including the Tata Trust portal for migrant services.
Developer – PHP at TCS
January 1, 2015 - December 1, 2019
Developed TCS AID 360 for the social development sector, supporting planning and grant management.
Trainee – Mainframe at TCS
July 1, 2014 - December 1, 2014
Migrated health system data from mainframe to cloud for centralized patient history access.

Education

Bachelor of Technology at Cochin University of Science and Technology
January 11, 2030 - June 1, 2014

Qualifications

Core Java
January 11, 2030 - February 23, 2026
JavaScript
January 11, 2030 - February 23, 2026
Design Thinking
January 11, 2030 - February 23, 2026
Spring Foundation
January 11, 2030 - February 23, 2026
Agile Way of Working
January 11, 2030 - February 23, 2026
Environment Health & Safety
January 11, 2030 - February 23, 2026
Managing Secure Delivery and Operations
January 11, 2030 - February 23, 2026

Industry Experience

Software & Internet, Financial Services, Professional Services, Education