Sunil Kumar
Java Backend Developer
About Me
Results-driven Java Backend Developer with 3+ years of experience in building scalable backend systems using Java, Spring Boot, RESTful APIs, and microservices. Proficient in data transformation, system integration, and cloud deployments, with added experience in React for building responsive front-end interfaces. Adept at writing clean, maintainable code aligned with business goals, and collaborating in Agile environments to drive innovation and performance.
Technical Skills
Languages
- Java
- SQL
- JavaScript
- HTML/CSS
Tools & IDEs
IntelliJ IDEA, VS Code
Frameworks & Libraries
- Spring Boot
- React.js
- Angular
- RESTful APIs
- SSMS
Concepts
RESTful APIs, Microservices, OOPs, MVC Architecture
Version Control & CI/CD
Git, GitHub
Work Experience
Full Stack Developer
InTimeTec, Jaipur (Rajasthan)
Feb 2022 – Present
- Developed and maintained scalable microservices using Java, Spring Boot, and RESTful APIs, ensuring robust backend performance and seamless integration across services.
- Built dynamic and responsive user interfaces with React, enhancing user experience and enabling efficient interaction with backend APIs.
- Implemented core backend modules in Java, including exception handling, logging, and utility services, to support clean architecture and improve code reusability.
- Automated cloud deployments and resource management by integrating Java applications with AWS services via AWS SDK and CLI, improving scalability and operational efficiency.
Projects
HRMS
Java, Spring Boot, React, Microservices
- Developed and maintained a scalable Human Resource Management System using Java, Spring Boot, and microservices architecture.
- Designed and implemented RESTful APIs for seamless communication between backend services and the React-based frontend.
- Managed SQL Server databases and improved query performance by 50% through indexing strategies and query optimization.
Blue Cross of Idaho (BCI)
Java, Spring Boot, AWS Services
- Developed and deployed scalable data transformation pipelines using Java, Spring Boot, and AWS Lambda.
- Built automated workflows using AWS services (S3, DynamoDB, Glue, CloudWatch) for data storage, monitoring, and analysis—boosting system efficiency by 50% and ensuring compliance with health insurance data exchange standards.
Sports Management System
Java, Spring Boot, React, MYSQL
- Engineered a scalable sports management platform using Java, Spring Boot, and MySQL for backend services, and React for dynamic user interfaces.
- Designed custom scheduling algorithms and modeled workflows using UML behavioral diagrams, applying SOLID principles for modular, maintainable architecture.
Education
Poornima Group Of Institutions
Bachelor of Science in Computer Science: CGPA: 8.3
Sep. 2018 – May 2022
Jaipur, Rajasthan, India