Stack Developer Spring Boot

AJAY KUMAR MERUVA

San Antonio, TX +1-210-***-**** ***********@*****.*** linkedin

PROFESSIONAL SUMMARY

Experienced and results-driven Java Full Stack Developer with 8 years of comprehensive experience in designing, developing, and maintaining complex web applications. Proficient in Java, Spring Boot, RESTful APIs, Angular, React, and modern CI/CD tools. Adept at collaborating with cross-functional teams, gathering requirements, and delivering scalable and secure enterprise solutions. Strong expertise in Agile methodologies, cloud deployments (AWS/Azure), and test- driven development. Committed to writing clean, maintainable, and efficient code.

Educational Details:

•Vellore Institute of Technology, IND MAY 2017

Bachelor of Technology, Electronics and Communication, GPA 8.4

TECHNICAL SKILLS

Languages

Java SE 6–21, J2EE, Jakarta EE, SQL, PL/SQL, C, C++

Framework & libraries

Spring Boot, Spring MVC, Spring Cloud, Spring Security, Spring AOP, Spring IOC, Struts, Hibernate (ORM), JPA, JDBC, JMS, JSP, Servlets, JSTL, React.js (Hooks, Context API, Redux), Angular (v8–12), AngularJS

J2SE/J2EE Technologies

Java, J2EE, Swing, JDBC, Servlets, JSP, JMS, Java Beans, JSTL, JNDI and JPA

Microservices & Web Services

RESTful APIs, SOAP, JAX-RS, JAX-WS, JAX-B, Apache CXF, Service-Oriented Architecture (SOA)

Web/App Servers

IBM WebSphere, Apache Tomcat, Web Logic Server.

XML Technologies

XSD, XSL/XSLT, SAX/DOM, DTD, XQuery.

Monitoring tools

ELK (Elasticsearch, Logstash, Kibana), Splunk, New Relic

Cloud & Container Platforms

AWS (EC2, S3, Lambda, IAM, Route 53, API Gateway, WAF, DynamoDB), Docker, Kubernetes, Pivotal Cloud Foundry (PCF)

Database

Oracle, SQL-Server 2005, MySQL server, MS SQL, IBM DB2, NoSQL DB like MongoDB and Cassandra.

Build & DevOps Tools

Postman, JUnit, Soap UI, Log4j, JIRA, RTC.

Version Control

SVN, CVS, GIT, Clear Case.

Testing Tools

JUnit 5, Mockito, Jasmine, Karma, Jest, Enzyme for JavaScript/React Unit Testing, Postman, SoapUI

Build Tools

ANT, Maven, Jenkins, Ansible, and Gradle.

IDEs

Eclipse, Spring Tool Suite (STS), IntelliJ, VScode

Platforms

Windows, UNIX, and LINUX.

Security

OAuth2, JWT, OpenID Connect, SAML, Keycloak

PROFESSIONAL EXPERIENCE

Senior Java Full Stack Developer July 2022 – Present

Client: JPMorgan Chase, New York, NY

Project: Investment Portfolio Management System

A secure, scalable platform for customer investment portfolios, real-time market data integration, and reporting dashboards.

Responsibilities:

•Designed and implemented RESTful APIs using Spring Boot and JPA/Hibernate.

•Developed responsive UI components with Angular 12 and integrated with backend APIs.

•Managed JWT-based authentication and authorization for secure access.

•Optimized queries and improved performance on PostgreSQL database.

•Deployed microservices using Docker and orchestrated with Kubernetes.

•Integrated AWS S3 for document storage and CloudWatch for monitoring.

•Practiced TDD using JUnit and Mockito for backend and Jasmine/Karma for frontend.

•Set up and maintained CI/CD pipelines using Jenkins and GitHub Actions.

•Participated in Agile ceremonies – sprint planning, daily stand-ups, and retrospectives.

•Mentored junior developers and conducted code reviews.

•Developed dynamic dashboards and reusable components in Angular using RxJS and TypeScript.

•Implemented client-side form validations, data binding, and state management for improved UI responsiveness.

•Optimized Angular/JavaScript bundles using lazy loading and tree shaking, reducing page load time by 20%.

Environment: Java, J2EE, Kafka, Spring IOC, Spring MVC, Spring AOP, Spring Security, Spring Boot, Spring Data, RESTful services, SOAP, Micro Services Architecture, Amazon Web Services, Hibernate, JDBC, Oracle, JUnit, Mockito, Gradle, Web Sphere Application Server, Jenkins, Git and IntelliJ.

Java Full Stack Developer June 2020 – July 2022

Client: UnitedHealth Group, Minneapolis, MN Project: Health Claims Processing Portal

A web-based application to streamline health claims processing, reduce turnaround time, and improve provider collaboration.

Responsibilities:

•Developed microservices using Spring Boot to handle claim submissions and status tracking.

•Built dynamic UI screens using React.js and Redux for state management.

•Integrated third-party APIs and ensured data integrity using RESTful services.

•Utilized MongoDB and Oracle DB for distributed and relational data handling.

•Handled server-side validation, caching, and exception management.

•Wrote unit and integration tests with JUnit and Mockito.

•Leveraged Docker containers for isolated environments and streamlined deployments.

•Used JIRA for task tracking and Confluence for documentation.

•Improved application performance by 30% through code refactoring and optimization.

•Collaborated with cross-functional teams including QA, Product Owners, and DevOps

•Built single-page applications (SPA) with React.js, Redux, and modern ES6+ JavaScript.

• Enhanced frontend performance by implementing memoization and code-splitting in React.

• Integrated REST APIs and WebSockets for real-time claim status updates.

•Applied unit testing with Jest/Enzyme to ensure React/JavaScript code quality.

Environment: Java, Spring Boot, RESTful Web Services, Server-side validation & caching, Exception management, React.js, Redux, JavaScript, HTML, CSS, MongoDB, Oracle DB, JUnit, Mockito, Docker, JIRA, Confluence.

Java Developer Feb 2018 – Jun 2020

Client: American Express, Phoenix, AZ Project: Customer Dispute Resolution System

A centralized platform to manage and resolve customer disputes related to transactions and credit card services.

Responsibilities:

•Built backend modules with Java 8, Spring MVC, and Hibernate.

•Developed interactive UI screens using AngularJS and Bootstrap.

•Consumed SOAP and RESTful web services for third-party integrations.

•Implemented scheduled batch jobs using Spring Batch.

•Maintained Oracle DB with PL/SQL for data processing and complex queries.

•Set up logging and monitoring using Log4j and Splunk.

•Worked with QA team on functional and regression testing.

•Migrated legacy monolithic application to microservice architecture.

•Participated in peer code reviews and knowledge-sharing sessions

•Created interactive UI screens with AngularJS, Bootstrap, and vanilla JavaScript.

•Used AJAX and JSON for asynchronous data exchange with backend services.

•Applied JavaScript event delegation and DOM manipulation to improve UI responsiveness.

Environment: Java, Spring Boot, JPA/Hibernate, PostgreSQL, JUnit, Mockito, Angular 12, HTML, CSS, TypeScript, Jasmine, Karma, JWT (JSON Web Token), AWS S3, AWS CloudWatch, Docker, Kubernetes, Jenkins, GitHub Actions, Git, GitHub, JIRA, Confluence.

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