Java Backend Developer (3+ Yrs, Spring Boot)

Tulasi Chary Mulugu Java Backend Developer

MA, USA +1-351-***-**** ************@*****.*** LinkedIn SUMMARY

Java Backend Developer with 3+ years of experience building backend services using Java 8, Spring Boot, and SQL in healthcare platforms. Hands-on experience developing REST APIs, implementing Hibernate and JPA persistence, optimizing PostgreSQL queries, and writing unit tests with JUnit and Mockito. Exposure to Docker and AWS services including EC2, S3, and RDS. Experienced working in Agile teams, supporting stable releases, and improving backend reliability in production environments. TECHNICAL SKILLS

Backend Development: Java (Java 8/11) with solid understanding of object-oriented programming, Spring Boot and Spring MVC for backend application development, RESTful API development with request validation and error handling, Understanding of layered architecture and basic microservices concepts Databases & Data Handling: Relational databases: MySQL, PostgreSQL, Writing optimized SQL queries, joins, and indexes, Basic experience with NoSQL databases such as MongoDB, Data modeling and transaction handling fundamentals Frameworks & Tools: Hibernate / JPA for object–relational mapping, Maven or Gradle for build and dependency management, Git for version control (branching, pull requests, code reviews) Cloud & Deployment (Junior-Appropriate): Hands-on exposure to AWS services: EC2, S3, RDS, Docker basics for containerizing backend applications, Familiarity with CI/CD concepts using Jenkins or GitHub Actions Security Basics: Spring Security fundamentals, JWT-based authentication concepts, Secure API design practices Testing & Quality: Unit testing using JUnit and Mockito, API testing using Postman, Debugging and defect fixing in development environments

Monitoring & Debugging: Application logging using SLF4J and Log back, Basic understanding of monitoring and performance troubleshooting

Software Development Practices: Agile / Scrum development methodology, working in collaborative, team-based environments, writing clear technical documentation, Supporting production issues under guidance PROFESSIONAL EXPERIENCE

Elevance Health, AZ Aug 2024 - Current

Junior Java Backend Developer

Developed and enhanced 10+ REST API endpoints using Java 8 and Spring Boot to support internal healthcare workflows and reporting systems used by operations teams daily.

Implemented persistence layers using Hibernate and JPA, reducing data-related defects by approximately 20% during integration testing cycles across multiple backend services and application modules environments consistently. Streamlined PostgreSQL queries and joins, improving response times for frequently accessed endpoints by 25%. Wrote and maintained 40+ unit tests using JUnit and Mockito, decreasing defect leakage into QA environments. Performed API validation using Postman, identifying and resolving integration issues before deployment cycles. Supported containerized applications using Docker and assisted with AWS EC2, S3, and RDS during testing and release activities for backend services in controlled lower environment setups.

Collaborated with frontend and QA teams in Agile Scrum environments, delivering sprint tasks on schedule with reduced rework through clear communication, coordination, planning, reviews, alignment cycles. CitiusTech, India Feb 2020 - July 2022

Junior Software Engineer (Java Backend)

Contributed to backend development using Java and Spring Boot across multiple healthcare application modules.

Built and maintained RESTful services, reducing API-related defects during QA cycles by 30% through boosted validation and error handling across multiple healthcare application modules environments consistently.

Designed database interactions using Hibernate and JPA, supporting reliable CRUD operations across MySQL and PostgreSQL systems for core backend services handling transactional data processing needs daily. Wrote upgraded SQL queries with joins and indexing, improving data consistency and reducing query execution delays during testing phases across backend components supporting stable application behavior. Assisted with debugging and defect resolution, supporting 100+ backend issue fixes across development and maintenance phases for Java services and Spring Boot based backend applications systems.

Used Git for version control, managing feature branches and participating in peer reviews during Agile sprint cycles. Supported API testing and release readiness using Postman, contributing to consistent on-time sprint deliveries. EDUCATION

Master of Science in Computer Science Rivier University, Nashua, NH, USA Bachelors in Electronic and Communication Teegala Krishna Reddy Engineering College, Hyderabad, India Dec 2024

May 2021

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