Available to hire
Hi, I’m Shiva Kumar, a Full Stack Developer with 4+ years of experience designing, developing, and deploying scalable web applications using Java, Spring Boot, React.js, and Angular. I excel at building RESTful APIs, integrating microservices with Kafka, and leveraging AWS for secure, containerized deployments.
I am proficient in database optimization (SQL and NoSQL), CI/CD automation with Jenkins and Docker, and implementing authentication using JWT and OpenAPI. I thrive in Agile environments across banking and enterprise applications.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Work Experience
Full Stack Developer at Citi Group, USA
May 1, 2024 - PresentLed development of a modular banking dashboard using Spring Boot and React.js to enhance client transaction visibility and reduce navigation time by 35%. Engineered and deployed over 12 microservices integrated with Kafka for real-time event processing and fraud detection, decreasing latency by 20%. Migrated core modules to AWS cloud services, achieving 25% cost savings and improved scalability. Structured reusable UI components with TypeScript and Redux, cutting front-end development time by 30%. Enhanced CI/CD pipelines with Jenkins and Docker, enabling daily production releases with zero rollback incidents. Implemented secure REST APIs with JWT and OpenAPI documentation in compliance with internal standards. Collaborated globally in Agile/Scrum, delivering features across multiple sprints with regular code reviews.
Java Full Stack Developer at Mindtree
July 1, 2022 - August 18, 2025Developed and maintained more than 20 RESTful microservices using Java, Spring Boot, and Hibernate, improving API response times by 30% through optimization and caching. Built dynamic, responsive web applications with React.js and Angular, increasing user engagement by 25%. Optimized SQL and NoSQL queries (MongoDB) for high-volume data, reducing retrieval times by 40%. Integrated Apache Kafka for asynchronous communication and real-time data streaming, decreasing downtime by 15%. Deployed CI/CD pipelines via Jenkins, GitHub Actions, and Docker, achieving a 95% deployment success rate. Participated actively in Agile Scrum processes with 12+ sprints and maintained 90% code coverage through unit and integration testing with JUnit and Mockito.
Full Stack Developer at Citi Group
May 1, 2024 - PresentLed the development of a modular banking dashboard using Spring Boot and React.js, improving client transaction visibility and reducing navigation time by 35%. Engineered and deployed 12+ microservices integrated with Kafka for real-time event processing and fraud detection, reducing latency by 20% in critical pipelines. Migrated core modules to AWS (EC2, S3, RDS, Lambda), achieving 25% cost savings and improved scalability. Structured reusable UI components with TypeScript and Redux, boosting front-end performance and decreasing development time for new modules by 30%. Implemented secure REST APIs with OpenAPI documentation, aligning with internal compliance standards. Collaborated with global teams in Agile/Scrum delivering features across 3 major sprints per quarter and conducted code reviews for maintainability.
Java Full Stack Developer at Mindtree
July 1, 2022 - September 15, 2025Developed and maintained 20+ RESTful microservices using Java, Spring Boot, and Hibernate, improving API response times by 30% through code optimization and caching. Built dynamic and responsive web applications using React.js and Angular, resulting in a 25% increase in user engagement on internal tools and customer portals. Designed and optimized SQL and NoSQL (MongoDB) queries for handling high-volume data, reducing data retrieval time by 40% in key workflows. Integrated Apache Kafka for asynchronous communication across distributed systems, enabling real-time data streaming and reducing system downtime by 15%. Deployed CI/CD pipelines using Jenkins, GitHub Actions, and Docker, achieving 95% deployment success rate with minimal manual intervention. Partnered with cross-functional teams in Agile (Scrum) environment; participated in daily stand-ups, sprint planning, and retrospectives to deliver features on time across 12+ sprints. Conducted unit and integration testing using JUnit and
Full Stack Developer at Citi Group
May 1, 2024 - November 4, 2025Led the development of a modular banking dashboard using Spring Boot and React.js, improving client transaction visibility and reducing navigation time by 35%. Engineered and deployed 12+ microservices integrated with Kafka for real-time event processing and fraud detection, reducing latency by 20% in critical pipelines. Utilized AWS services (EC2, S3, RDS, Lambda) to migrate core modules to the cloud, resulting in 25% cost savings and improved scalability. Structured reusable UI components using TypeScript and Redux, enhancing front-end performance and cutting development time for new modules by 30%. Constructed and enhanced CI/CD pipelines with Jenkins and Docker, enabling daily production releases with zero rollback incidents in Q1 2025. Implemented secure REST APIs with JWT-based authentication and OpenAPI documentation, aligning with Citi’s internal compliance standards. Collaborated with global teams in Agile/Scrum environment, delivering features across 3 major sprints per qua
Java Full Stack Developer at Mindtree
July 1, 2022 - July 1, 2022Developed and maintained 20+ RESTful microservices using Java, Spring Boot, and Hibernate, improving API response times by 30% through code optimization and caching strategies. Built dynamic and responsive web applications using React.js and Angular, resulting in a 25% increase in user engagement on internal tools and customer portals. Designed and optimized SQL and NoSQL (MongoDB) queries for handling high-volume data, reducing data retrieval time by 40% in key workflows. Integrated Apache Kafka for asynchronous communication across distributed systems, enabling real-time data streaming and reducing system downtime by 15%. Deployed CI/CD pipelines using Jenkins, GitHub Actions, and Docker, achieving 95% deployment success rate with minimal manual intervention. Partnered with cross-functional teams in Agile (Scrum) environment; participated in daily stand-ups, sprint planning, and retrospectives to deliver features on time across 12+ sprints. Conducted unit and integration testing usin
Java Full Stack Developer at Mindtree
July 1, 2019 - July 1, 2022Developed and maintained 20+ RESTful microservices using Java, Spring Boot, and Hibernate, improving API response times by 30% through code optimization and caching strategies. Built dynamic and responsive web applications using React.js and Angular, resulting in a 25% increase in user engagement on internal tools and customer portals. Designed and optimized SQL and NoSQL (MongoDB) queries for handling high-volume data, reducing data retrieval time by 40% in key workflows. Integrated Apache Kafka for asynchronous communication across distributed systems, enabling real-time data streaming and reducing system downtime by 15%. Deployed CI/CD pipelines using Jenkins, GitHub Actions, and Docker, achieving 95% deployment success rate with minimal manual intervention. Partnered with cross-functional teams in Agile (Scrum) environment; participated in daily stand-ups, sprint planning, and retrospectives to deliver features on time across 12+ sprints. Conducted unit and integration testing usin
Education
Master of Science at Governors State University
January 11, 2030 - May 1, 2024Bachelor of Engineering at Ace Engineering College, Hyderabad
January 11, 2030 - December 1, 2020Master of Science in Computer Science at Governors State University
January 11, 2030 - May 1, 2024Bachelor of Engineering at Ace Engineering College, Hyderabad
January 11, 2030 - December 1, 2020Master of Science in Computer Science at Governors State University
January 11, 2030 - May 1, 2024Bachelor of Engineering at Ace Engineering College, Hyderabad
January 11, 2030 - December 1, 2020Master of Science in Computer Science at Governors State University
January 11, 2030 - May 1, 2024Bachelor of Engineering at Ace Engineering College, Hyderabad
January 11, 2030 - December 1, 2020Qualifications
Industry Experience
Financial Services, Software & Internet, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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