Work as a Full Stack Engineer, developing and testing software independently, using technologies such as VB.net, React, C#, and SQL Server for WPF, Web, and RESTful API development.

Responsible for modifying website page functionalities and adjusting CSS styles, as well as creating new pages.

Highlights: .Net Core, Java, React, Vue, Solidity, monoliths onprem & microservices on Aliyun Cloud. ●In various projects, I have developed back-end API projects using Spring Boot or .NET Core, using React or Vue for front-end, combined with MySQL or SQL Server, and deployed them to Aliyun Cloud using Docker.●Developed smart contracts using Solidity on FISCO BCOS, which is a Chinese domestic union blockchain.●Developed detailed blockchain training courses for college students and evaluated their understanding through exams and quizzes based on project architecture.

●Developed e-commerce website and management portal using JavaScript and Vue.js.Engineered, delivered & monitered distributed, fault-tolerant and horizontally scalable microservices and serverless components using mainly Java Spring Boot with full CICD pipelines (that delivers to prod multiple times a day). Main tech stack: Java, Spring Boot, Maven, Swagger, SQS, Redis, RDS(Postgres), Docker. JUnit, Mockito, LocalStack and Selenium used for unit, component and integration tests. Docker-compose used for local●development. Sumologic, Sensu, Grafana used for observability. Feature toggles are widely used.●Participate in iOS app development with Objective-C, Cocoa SDK, and CocoaPods, optimizing performance with UIKit.

●Developed iOS apps with Objective-C and Cocoa SDK, featuring interactive maps, GPS tracking, async data fetching, notifications, and custom UI components.●Utilized .Net Framework and Entity Framework for ORM on the back-end. Implemented Redis caching for performance, and secured endpoints with JWT tokens for authentication and authorization.●Independently managed the entire iOS app submission process to the App Store, including testing and obtaining approval for release.

Highlights: Objective-C. iOS team leader for Tiama Star and Angixing car networking products, managing R&D and leading development and maintenance teams.●Participated in developing the universal "Angixing" project, responsible for iOS product development Using Objective-c and Cocoa UIKit.●Participated in developing "Love to Listen 360" mobile internet APP product, responsible for iOS product development, accumulated 1.5 million users and had 60,000 daily active users.●Regularly reported to the project manager, identified unreasonable factors in the team, proposed solutions, improved and maintained its sustainable development.

●Developed Moodboard app for Swedish client using Objective-C programming language and cross-platform compatibility technology compatible with iPhone and iPad platforms.●Developed CMusic app for China Mobile on iPhone, using System XML, multi-threading, iOS animation, network monitoring, audio data processing, and data caching.●Developed and maintained backward-compatible Java JAX-RS RESTful APIs with OpenAPI specs using Maven, OSGI, Hibernate, MySQL in a monolithic and CI environment.

Highlights: Java, JavaScript, Objective-c, MySQL, Cocoa, SpringMVC, Spring Hibernate, Struts. Started with Java back-end development for the company's digital game sales platform, later switched to iOS mobile project development due to business needs. ●Developed a PlugNPlay mobile game e-commerce network platform using Java language and MySQL.●Developed a TryNBuy mobile game free trial download service sub-business platform using Java language and MySQL.●Using the Scrum agile development methodology, as a team member, I complete daily development goals according to the work objectives●Developed iOS apps during a company crisis, providing services for American client Hooters and creating the Hooters Calendar app.

Highlights: ASP, SQLServer, VB. As a web development engineer, I participate in and complete the development of multiple enterprise and government e-government projects. Technologies: ●Design and develop the business management system for the Industrial and Commercial Administration Bureau in Jinjiang District, Chengdu, using ASP and SQL Server technologies.