Developed and maintained enterprise Java applications using Spring Boot and MyBatis, implementing new features and enhancing system functionality. Optimized database queries and implemented caching strategies with Redis, improving response times by 25%. Designed and integrated RESTful APIs for cross-functional services. Performed code reviews and implemented best practices to improve code quality.

Java Developer – Construction Management Platform

January 1, 2016 - January 1, 2018

Designed and developed core backend modules for a construction project management system using Java and Hibernate. Implemented business logic for project tracking, resource allocation, and budget management. Optimized database performance with indexing and query tuning, reducing query time by ~30%. Integrated third-party APIs for document management and reporting.

Java Developer – Nanjing JinWuBao Financial Management System

January 1, 2014 - January 1, 2016

Developed financial product management platform handling client portfolios and transaction processing. Implemented secure authentication and authorization modules with role-based access control. Built real-time reporting features and data visualization components. Participated in full software development lifecycle from requirements analysis to deployment and maintenance.

Channel Sales Representative at Hunan Juzheng Technology Co., Ltd.

May 1, 2021 - June 1, 2024

Managed B2B sales accounts generating annual revenue of $500,000+. Coordinated between enterprise clients and engineering teams for technical solution implementation. Developed understanding of enterprise software deployment and cross-department collaboration.