Sai - Software Engineer at Citi Group

Sioux Falls, South Dakota, United Statesen

Enhanced API performance by 40% through optimized design and architecture.

Led modernization of legacy Java applications, achieving seamless upgrade from Java 5 to Java 11.

Publicado en CazVid

Resumen

Dedicated software engineer with proven success in optimizing APIs, modernizing legacy applications, and building scalable frontend interfaces. Skilled in Java, React, AWS, and caching technologies, committed to delivering high-impact solutions.

Logros Clave

Developed responsive, scalable UI components for multiple AI-powered web applications.
Implemented Redis caching and API Gateway solutions to improve system efficiency and reliability.

Habilidades

JavaExpert

Extensive experience developing high-performance backend systems with Java and modern features.

React & Frontend DevelopmentAdvanced

Skilled in designing responsive user interfaces with React and Tailwind CSS for scalable web apps.

Cloud & DevOpsIntermediate

Proficient in deploying and managing applications using AWS, Docker, and related tools.

Database & CachingAdvanced

Experienced with MySQL, Redis, and ORM frameworks like Hibernate & JPA for efficient data management.

Experiencia

Software Engineer

Citi Group

2022 - 2024

Developed and maintained a customer onboarding system using object-oriented design principles, REST architecture, Hibernate & JPA, Redis caching, and API Gateway.. Improved API performance by 40% through Redis caching and SQL query and transaction optimizations, and introduced Kafka based asynchronous processing to decouple services and improve system responsiveness.. Increased test coverage from 50% to 85% across 10+ microservices and implemented CI/CD pipelines using Jenkins with SonarQube integration for automated code quality checks. Managed complete deployment lifecycle on OpenShift for reliable cloud native releases.

Software Engineer

CorPay

2024 - 2024

Contributed to upgrading legacy applications from Java 5 to Java 11 and Spring Boot 3.3, refactoring code using modern Java features like Streams, Lambdas, and Optional.. Fixed compatibility issues during migration by updating deprecated libraries and replacing older Java EE, Spring, and Hibernate components to ensure stable service behavior.. Rebuilt legacy JDBC data layer using Hibernate & JPA with optimized entity relationships, reducing complex SQL queries and improving API response time nearly by 30% and implemented Resilience4j based rate limiting to reduce backend load and enhance system stability under high traffic conditions.

Frontend Engineer

2AI Lab

2025 - 2026

Designed and developed responsive UI for 5+ AI powered web applications using React and Tailwind CSS, focusing on reusable components and scalable frontend architecture.. Integrated frontend applications with Spring Boot backend APIs and AI model endpoints, enabling real time data flow and dynamic user interactions across distributed web interfaces.. Collaborated on university software projects with faculty to deliver quality UI implementations, improving usability and maintainability of web based academic tools.