Sr. Java Full Stack Developer

Jashwanth R

Sr. Java Full Stack Developer

****************@*****.*** / +1-970-***-**** LinkedIn

PROFESSIONAL SUMMARY:

Senior Java Full Stack Engineer with 7+ years of experience designing and building scalable, cloud-native enterprise applications across finance, healthcare, and retail domains. Expertise in Java (8/11+), Spring Boot, microservices architecture, REST/GraphQL APIs, and event-driven systems using Kafka. Proven ability to deliver high-availability, secure applications on AWS, with hands-on experience in Docker, Kubernetes, CI/CD automation, and OAuth2/JWT security. Strong collaborator in Agile environments with a passion for performance optimization and clean, maintainable code.

TECHNICAL SKILLS:

Languages &Frameworks: Java (8/11+), Spring Boot, Spring Cloud, Spring MVC, JPA/Hibernate, React.js, Node.js, TypeScript, Angular

Architecture &Integration: Microservices, REST APIs, GraphQL, SOAP, SOA, API Gateway, MVC, DAO, Factory Patterns

Messaging & Streaming: Apache Kafka, RabbitMQ, IBM MQ, JMS

Databases & Caching: Oracle, MySQL, PostgreSQL, MongoDB, DynamoDB, Redis, Cassandra

Cloud & DevOps: AWS (EC2, S3, RDS, Fargate, Lambda, API Gateway, IAM, CloudWatch), Docker, Kubernetes, Jenkins, GitHub Actions, Maven, Gradle, Terraform

Testing & Quality: JUnit, Mockito, Cucumber, Selenium, Postman, Rest Assured, JMeter

Security & Monitoring: OAuth2, JWT, Keycloak, Splunk, CloudWatch, SonarQube

Tools: IntelliJ IDEA, Eclipse, VS Code, Git, Jira, Confluence

PROFESSIONAL EXPERIENCE:

Client: Morgan Stanley Remote

Feb 2025 – Till Date

Role: Sr. Java Full Stack Developer

Responsibilities:

Designed and developed Spring Boot microservices using Java 11, following clean architecture and enterprise design patterns.

Built and maintained RESTful and GraphQL APIs to support high-volume financial workflows and backend services.

Implemented event-driven communication using Apache Kafka and RabbitMQ to enable asynchronous and scalable processing.

Integrated backend services with AWS infrastructure including EC2, Fargate, RDS, API Gateway, IAM, and S3.

Ensured application security by implementing OAuth2, JWT, and Keycloak-based authentication and authorization.

Optimized SQL queries, indexing strategies, and data models, significantly improving API and reporting performance.

Worked with Oracle and MySQL databases, ensuring data consistency, integrity, and efficient transaction handling.

Containerized applications using Docker and supported deployments through Kubernetes environments.

Built and maintained CI/CD pipelines using Jenkins, GitHub Actions, Maven, and Git to automate builds and deployments.

Implemented centralized logging and monitoring using Log4j, SLF4J, Splunk, and AWS CloudWatch.

Developed unit and integration tests using JUnit and Mockito to improve code reliability and coverage.

Performed API testing and validation using Postman and Cucumber in a TDD/BDD environment.

Collaborated with cross-functional teams including QA, DevOps, and business stakeholders in an Agile/Scrum environment.

Participated in code reviews, technical design discussions, and KT sessions, mentoring junior developers.

Created and maintained technical documentation, including architecture diagrams, deployment guides, and release notes.

Environment: Java 11, Spring Boot, Spring Data JPA, Hibernate, REST, SOAP, JAX-WS, Apache CXF, Kafka, RabbitMQ, Oracle, MySQL, AWS (EC2, S3, RDS, Fargate, CloudWatch, API Gateway, IAM, Elastic Beanstalk, Secret Manager), Flyway, Jenkins, Bitbucket, Docker, Log4j, Slf4j, Splunk, JUnit, Mockito, Power mock, Selenium, Postman, Cucumber, IntelliJ, Maven

Client: Colorado State University

Aug 2023 to May 2024

Role: Java Programmer

Responsibilities:

Assisted faculty in delivering Java programming courses, covering OOP, data structures, and backend fundamentals.

Prepared lecture materials, lab exercises, and coding assignments aligned with academic and industry standards.

Provided one-on-one and group tutoring to undergraduate students on Java, SQL, and object-oriented design.

Guided students in applying OOP concepts, collections, exception handling, and multithreading in Java.

Helped students debug and optimize code, improving their understanding of problem-solving techniques.

Supported coursework related to data structures and algorithms, including arrays, lists, stacks, queues, and trees.

Assisted students with database integration using SQL and JDBC concepts.

Reviewed and graded assignments, projects, and exams, ensuring consistency and fairness.

Collaborated with professors to improve course content and lab workflows.

Explained software development life cycle (SDLC) and Agile fundamentals to students.

Mentored students on coding best practices, readability, and documentation.

Assisted in evaluating student projects and providing constructive technical feedback.

Helped bridge the gap between academic concepts and real-world Java development.

Supported classroom and lab sessions using Eclipse, IntelliJ, and Git.

Strengthened communication and mentoring skills by working closely with diverse student groups.

Environment: Java, SQL, Eclipse/IntelliJ, Git, OOP, Data Structures, Algorithms, Agile, Academic Syllabus Design

Client: Abbott Bangalore, India.

Sept 2021 to Aug 2023

Role: Java Full Stack Developer

Responsibilities:

Re-engineered legacy monolithic applications into Spring Boot microservices using Java 8.

Designed and developed RESTful APIs for billing, customer, and order management systems.

Implemented OAuth2 and JWT-based security for API authentication and authorization.

Developed responsive frontend components using React.js for dashboards and reporting modules.

Enabled event-driven processing using Apache Kafka and RabbitMQ for real-time workflows.

Worked with Oracle, PostgreSQL, and MongoDB to design and optimize backend data models.

Improved database performance through query optimization, indexing, and schema tuning.

Managed database versioning and migrations using Flyway.

Implemented Redis caching to improve application response time and scalability.

Containerized applications using Docker and supported cloud deployments.

Automated CI/CD pipelines using Jenkins, Maven, Git, Bitbucket, and Nexus.

Developed unit and integration tests using JUnit and Mockito.

Performed API and UI testing using Postman, Selenium, and Cucumber.

Ensured compliance with GDPR and HIPAA by implementing secure data handling and audit logging.

Collaborated in Agile/Scrum teams, participating in sprint planning, reviews, and retrospectives.

Environment: Java 8, Spring Boot, Spring MVC, Hibernate, REST, SOAP, JAX-WS, Kafka, RabbitMQ, Oracle, MySQL, MongoDB, Angular, Bootstrap, HTML5, CSS3, SASS, LESS, JavaScript, Docker, Jenkins, Maven, Nexus, Git, Bitbucket, Log4j, Slf4j, Splunk, JUnit, Mockito, Selenium, Postman, SOAP UI, Cucumber, Autosys, IntelliJ, Confluence, JIRA

Client: Lasya Infotech Hyderabad, India.

Jan2019 to Feb2021

Role: Programmer Analyst

Responsibilities:

Gained hands-on experience in Java application development, assisting in the design and implementation of modules using Java, JDBC, and Spring Boot.

Contributed to building RESTful APIs and integrating them with frontend web applications for internal projects.

Supported database development tasks, including schema creation, SQL queries, and stored procedures in MySQL.

Assisted senior developers with debugging, testing, and code reviews, strengthening understanding of SDLC and Agile methodologies.

Developed small-scale academic-style projects showcasing OOP, collections, multithreading, and exception handling in Java.

Learned and applied Git version control, Maven builds, and basic CI/CD practices under guidance of mentors.

Enhanced problem-solving and collaborative skills by working closely with peers and mentors on project deliverables.

Environment: Java, Spring Boot, JDBC, REST APIs, HTML5, CSS3, JavaScript, MySQL, Git, Maven, Eclipse/STS

CERTIFICATIONS:

AWS Certified Solutions Architect Associate

Cognizant Full Stack Java Developer

Azure Developer Associate

Google Project Management Professional

ACADAMIC DETAILS:

Masters in computer information systems from Colorado State University, 2024

Bachelor of Technology in Computer Science and Engineering from JNTUH, 2017

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