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Kunal Chakraborty

@kunalchakraborty

Backend Developer at TRANSAVIA building Spring Boot microservices and REST APIs for backend services.

At TRANSAVIA, I design and develop Spring Boot microservices with RESTful APIs. I implement database schemas and queries using Hibernate and MySQL, and integrate services with Azure API Management and NGINX.

Previously, I built Java backend services and REST APIs at Freelancer, BACKBASE INDIA LLP, ACCENTURE SOLUTIONS PVT. LTD., and INFOSYS LTD. My work has included payment validation and reconciliation workflows, test automation frameworks, and CI/CD pipelines.

Experience

Work history, roles, and key accomplishments

Current

IT Specialist (Backend Developer)

Current

Transavia

May 2023 - Present (3 years 5 months)

Designed and developed Spring Boot microservices with RESTful APIs. Implemented database schemas and queries using Hibernate with MySQL, and integrated services with Azure API Management and NGINX gateways.

Java Spring Boot REST APIs Hibernate MySQL Maven Gradle Git Jenkins Junit Postman Azure API Management Nginx

Software Engineer

Backbase India LLP

Aug 2022 - May 2023 (9 months)

Collaborated with clients to gather backend requirements and translate them into scalable Java solutions. Implemented clean, maintainable code following OOP principles and design patterns, and improved test coverage for backend components.

Java Object Oriented Programming Design Patterns Microservices Testing Bug fixing Release Management

Java Backend Developer

Freelancer

Dec 2019 - May 2023 (3 years 5 months)

Built Spring Boot microservices for scalable applications, exposing secure REST endpoints. Optimized relational database operations with Hibernate, MySQL, and PostgreSQL, and configured CI/CD pipelines with Jenkins and Git.

Java Spring Boot REST APIs Hibernate MySQL PostgreSQL Jenkins Git Azure API Gateway Nginx

Test Automation Engineer Senior Analyst

Accenture Solutions Pvt. Ltd.

Dec 2019 - Jul 2022 (2 years 7 months)

Transitioned from automation to backend engineering, contributing to the design and development of Java-based microservices in the Ecommerce domain. Built and optimized REST APIs using Spring Boot and Java, and designed SQL queries for high-volume payment data.

Java Spring Boot REST APIs PostgreSQL MySQL Jenkins Azure DevOps Testing Automation Mentorship

Test Analyst (Java Automation & Backend Support)

Infosys Ltd.

Nov 2015 - Oct 2019 (3 years 11 months)

Developed and maintained Java-based frameworks for web and mobile applications in the cards & payments domain. Enhanced backend data validation by implementing SQL queries and stored procedures, and maintained CI/CD pipelines.

Java SQL PostgreSQL MySQL CI CD Testing Automation SDLC