Backend Engineer responsible for building and maintaining backend services for banking and e-commerce domains using Java and Spring Boot with a microservices architecture. Implemented 50+ REST APIs, improved system reliability under heavy load, and enhanced CI/CD tooling. Refactored legacy modules into microservices, increased test coverage to 80%+, and optimized Oracle PL/SQL and PostgreSQL queries for performance. Collaborated with cross-functional teams to deliver features in Agile sprints.

Software Engineer at Huawei

April 2, 2023 - February 2, 2025

Processed large datasets (>10M records) with Java and Spring Boot, built data pipelines that generated 500+ CSV outputs automatically, and reduced manual reporting time. Improved test coverage by 15%, optimized SQL queries, and delivered features in two-week sprints. Collaborated with cross-functional teams to refine requirements and ensure scalable backend services.

Software Engineer at GetMobile

August 2, 2022 - March 2, 2023

Developed backend features for an e-commerce platform using Java 8, Spring Boot, and PostgreSQL. Implemented REST APIs for products, users, and orders, improved core platform reliability and performance, increased test coverage, and delivered features in two-week sprints while maintaining CI/CD pipelines.