Java Full-Stack Developer - Spring Boot & React Specialist

Jeshwanth D

FULL STACK JAVA DEVELOPER

(***) *** - 1598 *****************@*****.*** GitHub LinkedIn Washington, USA Summary

• Java Full Stack Developer with 3+ years of experience in developing robust, scalable applications for fintech and e- commerce sectors.

• Expertise in Java, Spring Boot, and React for full-stack development, with a proven track record of optimizing system performance and enhancing user experience.

• Proficient in modern Java frameworks, including Jakarta EE, and Micronaut, ensuring high-performance backend solutions.

• Strong experience with AWS services including EC2, S3, and Lambda, for building efficient and cost-effective cloud- based solutions.

• Skilled in database management and optimization, working with MySQL, MongoDB, and implementing ORM technologies like Hibernate to enhance query performance.

• Strong background in data processing and analysis, utilizing technologies like Kafka for real-time data streaming and implementing machine learning models for predictive analytics.

• Proficient in Java 8/11, leveraging key features such as Lambdas, Streams, Optional, Completable Future, and modular programming (Java 9+) to write clean, efficient, and maintainable code.

• Committed to code quality and collaboration with strong experience in Test-Driven Development (TDD) using JUnit, Mockito, and Cypress for unit and integration testing.

• Experienced in Agile methodologies, CI/CD practices, and DevOps tools such as Jenkins, Docker, and Kubernetes for streamlined development and deployment processes. Skills

Programming Languages: Core Java, C, C++, SQL, Python Frameworks: Struts, Hibernate, Spring Boot, Spring Batch, Spring Security, Spring AOP, Spring Core, Angular 12, jQuery, Node.js, React.js, Express.js

Web Technologies: HTML, HTML5, CSS/CSS3, AJAX, jQuery, Bootstrap, XML, JSON, UI Material, SASS, Typescript, ES6, Redux, React Hooks, REST API, RESTful API Java/J2EE Technologies: Servlets, Spring, EJB, JPA, JTA, JDBC, JSP, JSTL, Webservices, Microservices, Spring MVC, Hibernate, ORM

Database: Oracle SQL, MySQL, MongoDB, PostgreSQL, PL/SQL Cloud Platforms: Amazon Web Services

IDEs: Visual Studio Code, Eclipse IDE, IntelliJ IDEA Web/Application Servers: Oracle WebLogic, Apache Tomcat, JBoss Testing Tools: JUnit, Mockito

Build/ Other Tools: Jenkins, Docker, Kubernetes, SOAP/REST API, Postman, Jira, Kafka, Jupyter Methodologies: SDLC, Agile, Waterfall

Version Control: Git, GitHub

Operating System: Windows, Linux, Mac OS

Education

Master of Engineering in Computer Science: University of Cincinnati. Bachelor of Technology in Information Technology: CVR College of Engineering. Experience

Java Full Stack Developer JPMorgan Chase & Co., OH, USA Aug 2024 – Present

• Developed dynamic and responsive user interfaces using React.js, HTML5, CSS3, and JavaScript, enhancing user experience and driving a 25% increase in customer engagement through real-time dashboards.

• Engineered core transaction management functionalities, enabling real-time fund transfers, balance inquiries, and transaction history viewing, which improved transaction processing speed by 30%.

• Integrated Java Persistence API (JPA) and Hibernate ORM with MySQL, achieving optimized query execution and reducing database response time by 40% through effective caching and lazy loading strategies.

• Utilized Material-UI for consistent, accessible, and modern UI design, implementing reusable components like modals, form controls, and data tables to streamline development and maintain a cohesive design system.

• Leveraged jQuery for DOM manipulation in legacy UI modules and integrated with modern React components where backward compatibility was required.

• Developed a centralized global exception handling mechanism using @ControllerAdvice and @ExceptionHandler, standardizing error responses and improving system reliability and client-side error handling.

• Designed and implemented RESTful APIs using Spring Boot for critical banking operations like user registration, fund transfers, balance retrieval, and transaction tracking, ensuring scalable and reusable service endpoints.

• Integrated Amazon S3 to manage storage of profile images, transaction receipts, and audit logs. Utilized pre-signed URLs for secure, time-limited file access and implemented strict bucket access policies.

• Deployed Apache Kafka to build an event-driven architecture, enabling real-time transaction updates and seamless inter-service communication, which improved message throughput and reduced system latency.

• Collaborated in an Agile Scrum environment, actively participating in sprint planning, daily standups, and retrospectives, and worked cross-functionally with QA, DevOps, and Product teams to deliver features on time with a focus on quality and scalability.

Java Full Stack Developer Infosys, India Jan 2021 – Jun 2023

• Designed and implemented a microservices-based appointment booking system using Java 8 and Spring Boot, enabling scalable and modular development for doctor-patient onboarding and scheduling workflows.

• Developed and integrated MongoDB to manage patient profiles, appointment records, and doctor availability, ensuring high-performance CRUD operations and smooth scalability for concurrent users.

• Built RESTful APIs using Spring Boot to enable secure and seamless access to features such as appointment booking, cancellation, and status updates, improving system interoperability with third-party services.

• Leveraged Angular Reactive Forms to develop intuitive and dynamic UI components like appointment scheduling forms and registration pages, reducing form input errors by 30% with real-time validation.

• Ensured end-to-end encryption of sensitive patient data using Java SSL/TLS, enhancing security compliance and reducing data breach risks by over 60%.

• Standardized frontend design using Bootstrap and Angular Material, creating consistent UI elements like modals, forms, navigation bars, and tooltips, which improved usability and reduced frontend development time.

• Adopted Model-View-Controller (MVC) architecture principles to organize the application logic using Spring MVC, promoting clean code separation and maintainability.

• Utilized multithreading in Java to handle concurrent appointment bookings and notifications, increasing response throughput and maintaining high system availability during peak usage hours.

• Integrated JDBC with Spring to implement transactional operations for real-time data updates such as appointment rescheduling, cancellations, and patient history retrieval.

• Implemented Redis caching to store frequently accessed data like doctor availability and time slots, reducing backend load and improving API response times by up to 50%.

• Developed core server-side functionality using Java Servlets to process HTTP requests for booking, canceling, and updating appointments, streamlining the transaction pipeline, and reducing latency.

• Designed and automated CI/CD pipelines using Jenkins, facilitating code integration, testing, and deployment with every commit, reducing deployment time by 40% and minimizing manual errors.

• Applied Mockito to create unit tests for service methods handling booking logic, edge cases (e.g., double-booked slots), and data validation, improving test coverage and ensuring robust application behavior. Certifications

• SQL Developer Course by Oracle Academy

• Microsoft Certified: Azure Fundamentals

• Google Cloud Engineering

• Oracle Certified Professional: Java SE 11 Developer

• DeepLearning.ai by Andrew Ng

• Google IT Automation with Python

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