I'm a backend Java developer with 3+ years of experience in designing and building scalable, enterprise-grade applications using Java, Spring Boot, RESTful APIs, and microservices. I have hands-on experience with relational databases like MySQL and Oracle, containerization with Docker, and basic cloud tooling (Azure). I enjoy turning complex business requirements into reliable, maintainable software and optimizing performance. I'm a quick learner who thrives in Agile teams, values clean code and SOLID principles, and loves solving real-world problems—from backend services to data modeling and API design. I’m comfortable collaborating with onsite and cross-functional teams, and I continuously pursue growth through new technologies and best practices.

Mahesh Chaudhari

I'm a backend Java developer with 3+ years of experience in designing and building scalable, enterprise-grade applications using Java, Spring Boot, RESTful APIs, and microservices. I have hands-on experience with relational databases like MySQL and Oracle, containerization with Docker, and basic cloud tooling (Azure). I enjoy turning complex business requirements into reliable, maintainable software and optimizing performance. I'm a quick learner who thrives in Agile teams, values clean code and SOLID principles, and loves solving real-world problems—from backend services to data modeling and API design. I’m comfortable collaborating with onsite and cross-functional teams, and I continuously pursue growth through new technologies and best practices.

Available to hire

I’m a backend Java developer with 3+ years of experience in designing and building scalable, enterprise-grade applications using Java, Spring Boot, RESTful APIs, and microservices. I have hands-on experience with relational databases like MySQL and Oracle, containerization with Docker, and basic cloud tooling (Azure). I enjoy turning complex business requirements into reliable, maintainable software and optimizing performance.

I’m a quick learner who thrives in Agile teams, values clean code and SOLID principles, and loves solving real-world problems—from backend services to data modeling and API design. I’m comfortable collaborating with onsite and cross-functional teams, and I continuously pursue growth through new technologies and best practices.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Software Engineer at Fujitsu - Tokyo Marine
March 1, 2023 - Present
Worked on migrating a legacy Pachinko gaming application from COBOL to Java (Spring Boot), resulting in a 40% improvement in performance and maintainability. Responsible for analyzing complex COBOL logic, redesigning and rewriting key modules in Java, and developing RESTful APIs. Ensured 100% data consistency during migration by implementing rigorous validation and testing processes. Collaborated with cross-functional teams to ensure smooth transition and timely delivery.
Software Engineer at Fujitsu Consulting India
March 1, 2024 - Present
Converted complex COBOL business logic into Java using progression tools and manual refactoring, ensuring accurate, production-ready functionality for migrated modules. Debugged auto-generated Java code, fixing issues in data mapping, indicator logic, service flow, and controller behaviour, improving module stability by 35%. Performed large-scale clean-compile activities, reducing project-wide errors from 500+ to 168. Independently handled several critical and high-complexity modules, taking ownership of end-to-end debugging, logic reconstruction, and stabilization under tight timelines. Collaborated with Japan onsite teams to validate edge cases, align region-specific logic, and refine migration rules related to time formats, shift flows, and console validations. Analyzed critical COBOL programs (LB0080, LB0089, WPS, CNTWPSR flows) and implemented accurate Java equivalents, increasing logic accuracy by 40%. Corrected database mappings, resulting in 15% faster query execution and reduc
Software Engineer at Illika IT Solutions
October 1, 2022 - March 1, 2024
Developed core robotic workflow logic to detect incoming packages, map them to destinations, and assign the correct rack with 100% mapping accuracy. Implemented real-time robot communication using WebSocket APIs, improving system responsiveness by 40%. Designed and implemented grid-based pathfinding algorithms, improving task completion time by 30%. Built collision-prevention algorithms and collaborated with hardware teams for end-to-end testing, achieving high functional accuracy.

Education

Master of Computer Science at Savitribai Phule University, Pune
July 5, 2021 - April 8, 2023
Master of Computer Science at Dr. Arvind B. Telang Senior College, Pune
January 1, 2021 - January 1, 2023
Bachelor of Computer Science at Prof. Ramkrishna More College of ACS, Pune University
January 1, 2018 - January 1, 2021

Qualifications

Java Full Stack Development Certification
January 11, 2030 - January 10, 2026

Industry Experience

Software & Internet, Manufacturing, Professional Services, Computers & Electronics

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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