Java Full Stack Developer Resume – 3+ Years Experience | Spring Boot Microservices, Angular, Java 21 Migration, PostgreSQL

Java Full Stack Developer Resume – 3+ Years Experience | Spring Boot Microservices, Angular, Java 21 Migration, PostgreSQL

Professional Summary:
A Full Stack Developer with 3+ years of experience specializing in Java Spring Boot microservices and Angular development. Proven expertise in building healthcare applications with a focus on scalability and performance. Strong background in implementing microservices architecture and modern development practices.

Core Skills:

• Java, Spring Boot, Microservices, Angular, REST APIs, Spring Data JPA, PostgreSQL

• Spring Framework, Gradle, Maven, Postman, SonarQube, Git, Jira, Scrum

• Eureka Server, Spring Cloud Gateway, Redis Cache, Zipkin, Logstash

• Spring Boot Admin Server, JUnit, Circuit Breaker

Professional Experience & Key Responsibilities:

Legacy Application Modernization – Java 8 to Java 21 Migration

• Migrated legacy applications from Java 8 to Java 21 (LTS) to improve performance, security, and maintainability while enabling adoption of modern language features and frameworks, aligning the system with long-term support and future-ready standards

• Migrated enterprise application from Java 8 to Java 21 (LTS) ensuring compatibility, stability, and performance improvements

• Upgraded Spring Boot from 2.x to 3.4.2 and Spring Framework to 6+, enabling support for modern Java APIs and Jakarta EE 9+

• Refactored codebase to replace javax APIs with jakarta equivalents (Servlets, Validation, JPA) to align with Jakarta EE migration

• Replaced SpringFox Swagger with SpringDoc OpenAPI 2.x for API documentation compatibility with Spring Boot 3 and Java 21

• Updated build tools: Gradle 8.7 / Maven 3.9.6 to ensure Java 21 support and replaced deprecated configurations

• Modernized persistence layer by migrating to Hibernate 6+, updating deprecated naming strategies, and ensuring smooth database integration with PostgreSQL 14+

• Refactored exception handling by adopting the new handleMethodArgumentNotValid method signature using HttpStatusCode

• Ensured backward compatibility, security patches, and performance optimization while adopting modern Java 21 features (Records, Switch expressions, Virtual Threads exploration)

Project: Health Helpline – Grievance Redressal System
A grievance redressal system where citizens can register complaints against healthcare services. The system records caller details and complaints such as overcharging, improper treatment, or staff misconduct. Complaints are tracked at hospital, district, and state levels and escalated to higher authorities for resolution. The system also sends recorded grievances via email to stakeholders, ensuring accountability and transparency in healthcare services.

Responsibilities:

• Designed and developed REST APIs using Spring Boot for complaint registration, escalation, and reporting

• Implemented database operations with Spring Data JPA and PostgreSQL to manage complaints across hospital, district, and state levels

• Developed reporting features to show complaint statistics at different levels (hospital/district/state)

• Integrated grievance forwarding via email notifications to government authorities

• Used Postman for API testing, SonarQube for code quality checks, Git for version control, and Jira for task tracking

• Participated in daily Scrum meetings, requirement analysis, and client discussions

Project: Health Helpline Service
A health helpline application connecting the entire state to a call center, providing information and advice for health-related services to the general public seeking answers or resolutions.

Responsibilities:

• Created REST APIs in Microservice Architecture using Spring Boot Framework for backend development

• Used Angular framework for the UI and PostgreSQL for the database

• Implemented Eureka Server for service discovery in a microservices architecture, allowing services to register and discover each other dynamically

• Configured Spring Cloud Gateway for routing and load balancing across microservices, improving system scalability and performance

• Integrated Redis Cache to cache frequently accessed data, reducing database load and improving response times for users

• Used Zipkin for tracing microservice interactions, enabling faster detection and resolution of performance bottlenecks

• Set up Logstash to gather, process, and analyze logs from various services, ensuring efficient troubleshooting and system monitoring

• Enabled Spring Boot Admin Server for real-time monitoring and management of microservices

• Applied Circuit Breaker patterns (using Spring Cloud Circuit Breaker) to enhance system reliability and fault tolerance

• Wrote and maintained unit tests using JUnit and integrated Code Coverage tools like Jacoco to track test coverage and ensure high-quality code

Education:

• B.Tech – GPA: 72.75%

Certifications:

• Java Full Stack Developer Certification

Ideal For:

• Full-time Java Full Stack Developer roles

• Microservices and cloud-native development

• Healthcare and grievance redressal systems

• Legacy modernization (Java 8 to Java 21) projects

• Remote or Mangalagiri/Andhra Pradesh-based opportunities

Important Notice : Candidate personal contact details including name, phone number, and email address are hidden for privacy and security reasons. Resume is strictly intended for legal hiring and recruitment purposes only. Any misuse, fraud, spam, illegal activity, or unauthorized distribution is strictly prohibited. Digital product only. No physical item will be shipped.