Shivaraj Hosur

Technology Consultant @ Ensono

About

I’m a Java Application Developer with hands-on experience Developing and modernizing large-scale legacy systems into cloud-ready microservices for major global clients. Currently at Ensono, I work on transforming COBOL-based applications into clean, scalable, object‑oriented Java 21 microservices using Spring Boot. What makes me different? I simplify complex technical concepts and share them through my daily posts — Java Interview Questions, 60‑Days‑Java‑Challenge, and tech career guidance. My goal is to help students, job seekers, and engineers grow their skills and career, Trained and mentored more than 50+ people to get succeed in there career. "Highly motivated to work in professional environment and growing organization with to put in a best effort for technical enhancement of organization and myself". Proficiency in core java, spring mvc, spring ioc, spring boot, jdbc, hibernate, rest api, postman application jira software, Git, Python programming language(basic level) and SQL and having good knowledge about machine learning and data science. If you are preparing for interviews, college placements, transitioning into a technical developer role, or looking for a job — follow me for regular job updates and high-value technical content.

Country

India

City

Bengaluru

Industry

Computer Software

Skill

Software Development, PostgreSQL, STS, GitHub Copilot, JAVA 21, Functional Programming, Functional Interfaces, Lambda Expressions, Streams, MySQL, Spring Rest, Annotation, spring mvc, Hibernate , JPA, Thymeleaf, IntelliJ IDEA, Aspect-Oriented Programming (AOP), Springboot Rest CRUD API, Spring MVC Web App

Experience

Technology Consultant

Ensono

2025-9 - Present · 1 yr 1 mo

Bengaluru, Karnataka, India

𝗣𝗿𝗼𝗷𝗲𝗰𝘁: 𝗠𝗼𝗱𝗲𝗿𝗻𝗶𝘇𝗮𝘁𝗶𝗼𝗻 Currently part of a large-scale modernization to migrate legacy mainframe systems into scalable, cloud-ready microservices for a leading U.S. Guardian life insurance company serving 29 million customers globally. 𝗞𝗲𝘆 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀: -Built modular microservices using Java 21 and Spring Boot, replacing COBOL-based business logic with clean, maintainable code. -Designed RESTful APIs for seamless integration between modern cloud systems and retained legacy components. -Translated complex legacy workflows into object-oriented structures ensuring technical and business alignment. -Debugging & Troubleshooting: -Identified and resolved critical issues in migrated code to ensure smooth execution. -Performed root cause analysis and implemented fixes for performance and functional defects. -Optimized code for clarity, maintainability, and error-free deployment. -Assisted team members in delivering tasks on time through guidance and technical support. -Conducted code reviews to maintain quality and adherence to design patterns. -Participated in delivery discussions, scrum meetings, and client requirement sessions. -Raised and tracked issues, ensuring smooth stakeholder communication. -Contributed to Agile ceremonies including sprint planning, reviews, and retrospectives for continuous improvement. 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 & 𝗧𝗼𝗼𝗹𝘀: -Java 21 | Spring Boot | Microservices | REST APIs | PostgreSQL | Oracle | Git | Jenkins | Eclipse | Postman | JIRA 𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀: -Successfully modernized critical legacy modules, improving performance and maintainability. -Streamlined workflows through clean API design for easier third-party integration. -Contributed to smooth cloud data migration with accurate transformation. -Leadership Recognition: Received 𝗖𝗿𝗲𝗮𝘁𝗶𝘃𝗲 𝗦𝗽𝗮𝗿𝗸 𝗔𝘄𝗮𝗿𝗱 for exceptional contributions and rapid adaptation.

Java Application Developer

Guardian Life

2025-9 - Present · 1 yr 1 mo

#Client #Ensono

Mentor

topmate.io

2024-12 - 2026-1 · 1 yr 2 mos

Resume review, 1:1 mentorship and discussions, java mock, Interview preparation tips, software development etc.

Software Development Consultant

Quinnox

2023-7 - 2025-9 · 2 yrs 3 mos

Bengaluru, Karnataka, India

- Developed API solutions for a project using Java, showcasing proficiency in Java, Spring, Spring Boot, JDBC, and Git. - Utilized Postman for testing and IBM AS400 for data management, ensuring smooth functionality of the APIs. - Collaborated with a team to integrate REST API services, employing Jira software for efficient project management. - Demonstrated familiarity with AWS, leveraging cloud services for seamless API deployment and scalability. - Scrum, agile methodology