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I'm a Java Full Stack Developer with a strong background in backend Java, Spring Boot, microservices, cloud deployments, and data-intensive applications. I thrive in collaborative environments and enjoy delivering scalable, cloud-ready solutions using AWS, Docker, Kubernetes, and CI/CD pipelines. I have hands-on experience building robust RESTful services and modern UIs. In my work, I prioritize code quality, performance, and reliable delivery. I've built responsive UIs with Angular/React, integrated enterprise systems via REST/SOAP, and focused on performance, testing, and quality. I'm excited to apply my skills across fintech, healthcare, and tech-enabled industries.…I'm a Java Full Stack Developer with a strong background in backend Java, Spring Boot, microservices, cloud deployments, and data-intensive applications. I thrive in collaborative environments and enjoy delivering scalable, cloud-ready solutions using AWS, Docker, Kubernetes, and CI/CD pipelines. I have hands-on experience building robust RESTful services and modern UIs. In my work, I prioritize code quality, performance, and reliable delivery. I've built responsive UIs with Angular/React, integrated enterprise systems via REST/SOAP, and focused on performance, testing, and quality. I'm excited to apply my skills across fintech, healthcare, and tech-enabled industries.

Vinay Kumar

Full Stack Developer, Back-End Developer, Web Developer, +3

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I'm a Java Full Stack Developer with a strong background in backend Java, Spring Boot, microservices, cloud deployments, and data-intensive applications. I thrive in collaborative environments and enjoy delivering scalable, cloud-ready solutions using AWS, Docker, Kubernetes, and CI/CD pipelines. I have hands-on experience building robust RESTful services and modern UIs. In my work, I prioritize code quality, performance, and reliable delivery. I've built responsive UIs with Angular/React, integrated enterprise systems via REST/SOAP, and focused on performance, testing, and quality. I'm excited to apply my skills across fintech, healthcare, and tech-enabled industries.…I'm a Java Full Stack Developer with a strong background in backend Java, Spring Boot, microservices, cloud deployments, and data-intensive applications. I thrive in collaborative environments and enjoy delivering scalable, cloud-ready solutions using AWS, Docker, Kubernetes, and CI/CD pipelines. I have hands-on experience building robust RESTful services and modern UIs. In my work, I prioritize code quality, performance, and reliable delivery. I've built responsive UIs with Angular/React, integrated enterprise systems via REST/SOAP, and focused on performance, testing, and quality. I'm excited to apply my skills across fintech, healthcare, and tech-enabled industries.

Available to hire

I’m a Java Full Stack Developer with a strong background in backend Java, Spring Boot, microservices, cloud deployments, and data-intensive applications. I thrive in collaborative environments and enjoy delivering scalable, cloud-ready solutions using AWS, Docker, Kubernetes, and CI/CD pipelines. I have hands-on experience building robust RESTful services and modern UIs. In my work, I prioritize code quality, performance, and reliable delivery.

I’ve built responsive UIs with Angular/React, integrated enterprise systems via REST/SOAP, and focused on performance, testing, and quality. I’m excited to apply my skills across fintech, healthcare, and tech-enabled industries.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Javanese

Fluent

Amharic

Intermediate

Work Experience

Senior Software Engineer at Bank of America

October 1, 2025 - Present

Led end-to-end application design and development by creating UML artifacts and participating in requirements analysis, scope definition, system design, integration, deployment, and production support. Designed presentation and business layers using MVC-II architecture with Struts, Spring Framework, JSP, Servlets, JavaBeans, implementing client-side and server-side validations and centralized logging using Log4j. Built and maintained RESTful APIs and backend services using Spring Boot 3.x and Core Java 17, supporting enterprise workflows and enabling seamless integration with Angular/React front-end applications. Developed scalable and responsive user interfaces using Angular/React, JavaScript, TypeScript, HTML5, CSS3, AJAX, XML, and XSLT, ensuring optimal performance and user experience. Implemented cloud and on-premises deployments, deploying applications on AWS (EC2, Elastic Beanstalk, ECS, EKS/Kubernetes) and automating environment-specific deployments using UNIX shell scripting. C

Java Full Stack Developer at Thermo Fisher Scientific

May 1, 2024 - October 31, 2024

Designed and developed highly scalable microservices using Java 18, Spring Boot 3.x, Spring Security, and Oracle Coherence caching, supporting low-latency, high-throughput payment and transaction processing systems. Designed object and data models to meet business requirements and actively participated in Agile (Scrum) and TFD-based development. Developed and maintained presentation layers using MVC, JSP, HTML, CSS, JavaScript, and frameworks such as React/Angular, implementing enterprise design patterns like Singleton, DAO, and Session Façade to improve code reuse and maintainability. Built and optimized CI/CD automation using Jenkins, GitHub Actions, and ANT. Implemented messaging and integration layers using JMS (MDBs), SOAP-based Web Services (WSDL, UDDI), and SOA/XML integrations. Collaborated with cross-functional teams to develop rich, interactive UI components using jQuery, AJAX, Spring Web Flow, and custom JSP tag libraries, while performing unit testing with JUnit and suppor

Software Development Engineer at Amazon

June 1, 2022 - January 31, 2024

Used ORM frameworks like Hibernate, JPA, Spring Data JPA for database operations. Utilized Spring JDBC and Spring Data REST for seamless data access. Designed and developed web front-end components using JSP, Servlets, Custom Tag Libraries, JavaScript, and implemented client-side validations, ensuring modular, reusable, and maintainable UI components. Implemented enterprise design patterns including Front Controller, Session Façade, Business Delegate, and MVC to improve separation of concerns, scalability, and maintainability. Developed business and persistence layers using Spring Framework (Spring MVC, Spring IoC) and Hibernate ORM, leveraging HQL and Criteria API for efficient CRUD operations against Oracle databases. Automated build and deployment processes using Jenkins, GitHub Actions, and integrated unit testing with JUnit, while supporting debugging, defect resolution, maintenance releases, and production support activities. Designed and optimized database schemas and reporting

Full Stack Developer at Federal Bank

January 1, 2020 - June 30, 2022

Analyzed UI and functional requirements, prepared detailed design documentation, and actively participated in development efforts to deliver scalable enterprise applications. Developed Java applications using JDBC and built prototypes using Hibernate (v2.x) for data persistence, supporting complex business workflows such as Commercial Loans and Credit Monitoring systems. Created UML diagrams (use case, class, sequence) to support system design and communication across teams. Developed SOAP-based web services for transmitting large XML payloads over HTTP, and implemented XML- and JSTL-based UI components with custom JSP tag libraries. Applied Java/J2EE design patterns (Business Delegate, Session Façade, DTO, Service) to ensure modular, maintainable architecture.

Senior Software Engineering at Bank of America

October 1, 2025 - Present

Led end-to-end application design and development by creating UML artifacts and participating in requirements analysis, scope definition, system design, integration, deployment, and production support. Designed and developed presentation and business layers using MVC-II architecture with Struts, Spring Framework, JSP, Servlets, JavaBeans, implementing client-side and server-side validations and centralized logging with Log4j. Built and maintained RESTful APIs and backend services using Spring Boot 3.x and Core Java 17, enabling enterprise workflows and seamless integration with Angular and React front-ends. Developed scalable and responsive user interfaces using Angular/React, JavaScript, TypeScript, HTML5, CSS3, AJAX, XML, and XSLT. Implemented cloud and on-prem deployments, deploying on AWS (EC2, Elastic Beanstalk, ECS, EKS/Kubernetes) and automating environment deployments with UNIX shell scripts. Containerized front-end and back-end apps with Docker and Kubernetes, leveraging Helm

Full Stack Developer at Federal Bank Limited

January 1, 2020 - June 1, 2022

Developed Java applications using JDBC and Hibernate for data persistence, supporting Commercial Loans and Credit Monitoring workflows. Created UML diagrams (Use Case, Class, Sequence) with Rational Rose to assist design communication. Built SOAP-based web services for large XML payloads and developed UI with JSP/JSF, JSTL, and custom tag libraries. Applied J2EE design patterns (Business Delegate, Session Façade, DTO, Service) to create modular, maintainable architectures. Implemented API/XML integrations and tested using JUnit; supported ongoing maintenance and production support.