Lang HE

Experience

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  ZWSOFT

  Jul 2020 - Jun 2022

  C++ Developer

  • Implemented project code for new features and led three distinct projects, successfully integrating them into ZW3D.• Refactored and optimized redundant code across over 200 CPP files, improving system efficiency and maintainability—reducing processing time by 20% and resolving 99% of bugs reported by customers.• Recognized as Employee of the Year twice due to exceptional performance and contributions to the team.

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  Cloudisan Tech Limit

  May 2024 - now

  Full Stack Engineer

  • Developed a client/server architecture-based video conferencing system using C++and Qt:· Implementing features like user registration, login, room creation, joining, and management.· Employed epoll and thread pools for efficient task processing and network communication onthe server side.• Developed an online foreign English training website using ReactJS, NestJS, DrizzleORM, and PostgreSQL, website at https://devenglish.club/:· Implemented a shopping cart feature, calculating prices based on user selections.Managed backend course scheduling, displaying relationships between teachers and students.· Supported online payments and refunds with an order payment feature.· Handled account information management for teachers, students, and super administrators.· Besides project development, engaged closely with clients to define requirements, designsolutions, provide unit testing, and implement scalable services.• Collaborated closely with clients to define requirements, design solutions, and implement scalable services. Show less