Full Stack Developer | Java • Spring Boot • React • AWS

Welcome to my GitHub! I’m Sai Sankar Swarna, a Full Stack Developer with 3+ years of professional experience building scalable, production-grade web applications. I specialize in designing Spring Boot microservices, developing modern React and TypeScript frontends, and deploying cloud-native applications on AWS.

I’ve worked extensively on enterprise systems involving microservices architecture, RESTful APIs, secure authentication, and CI/CD pipelines. I enjoy building clean, reliable systems and continuously improving application performance, security, and user experience.

Languages
• Java (8,11,17), Python, TypeScript

Backend
• Spring Boot, Spring Security, JPA/Hibernate, REST APIs, JWT, OAuth

Frontend
• React (TSX), Tailwind CSS, HTML, CSS

DevOps and Cloud
• AWS (EC2, ECS, EKS), Docker, Kubernetes, Jenkins, CI/CD

Testing and Tools
• JUnit, Mockito, Postman, Git, GitHub, Bitbucket

Backend Developer | Jul 2022 – Dec 2024

• Contributed to the migration of a monolithic Tibco application into a microservices-based architecture
• Designed and developed Spring Boot REST APIs supporting enterprise customer onboarding workflows
• Implemented database persistence using Spring Data JPA and Hibernate
• Achieved approximately 80 percent unit test coverage using JUnit and Mockito
• Built and maintained CI/CD pipelines using Jenkins integrated with Bitbucket
• Collaborated with developers, QA, and DevOps teams during releases and production deployments

• Migrated source code from SVN to Bitbucket following modern version-control practices
• Upgraded applications from Java 8 to Java 17 using OpenRewrite
• Assisted with migration from Java EE to Jakarta EE
• Tested and validated APIs using Postman
• Supported containerized deployments using Docker and Kubernetes

Graduate Research Assistant – Frontend Developer | Jan 2025 – May 2026

• Built frontend interfaces using React to visualize AI and machine learning research models
• Improved usability and responsiveness of department websites using HTML and CSS
• Collaborated with faculty and research teams to convert research requirements into user-facing features
• Integrated backend APIs into frontend applications for real-time results and visual outputs

• Developed a full-stack AI web application for dental image analysis
• Built a responsive frontend using React, TypeScript, and Tailwind CSS
• Implemented Spring Security with JWT-based authentication and BCrypt encryption
• Designed secure flows for registration, login, OTP verification, password reset, and OAuth
• Integrated AI services to analyze dental scans and return structured diagnostic insights

• Built a custom search engine using BM25 ranking and inverted indexing
• Implemented data ingestion via the Stack Exchange API
• Developed a Flask REST API and React frontend
• Containerized using Docker and deployed on Hugging Face Spaces

Master’s in Computer Science – University of South Dakota
GPA: 3.9 / 4.0

Bachelor’s in Mechanical Engineering – Sree Vidyanikethan Engineering College

• Building Microservices with Spring Boot
• Mathematics for Machine Learning
• Java Programming

• Portfolio: https://swarna7414.github.io/SwarnaSaiSankar/
• LinkedIn: https://www.linkedin.com/in/sai-sankar-swarna
• Email: swarnasaisankar369@gmail.com

Thank you for visiting my GitHub profile. Feel free to explore my repositories and connect.