Experience
JOJO Tech LLC
Founder, CEO, and Main Software Engineer | May 30, 2024 - Current- Founded and led a software development company with 15 employees, utilizing Agile methodologies and modern technology stacks like React, Node.js, and AWS, resulting in delivering over 15 successful projects for clients across various industries.
- Led the design, development, and deployment of outsourced software solutions using TS, Python, and AWS for businesses across diverse industries, delivering high-quality products that met client requirements and achieved a 100% satisfaction rate, while balancing technical innovation.
- Developed a high-traffic online shopping platform supporting over 5,000 active users monthly, featuring a robot-based inventory management system and an AI-powered conversational shopping assistant, utilizing MongoDB, Express.js, and React.js technologies.
- Developed a scalable math quiz platform for over 1,000 students, incorporating automated math problem generation using a Computer Algebra System (CAS) and LLM technologies, and leveraging React, FastAPI, and PyTorch for the tech stack. github.com/jacobsun000/mathellm
- Developed a commercial website portal for an education & visa consulting company using React.js, ensuring optimal user experience through responsive design and intuitive navigation. en.ulead-edu.com
- Due to strict client confidentiality agreements, I am unable to provide further details on rest projects.
Leica Geosystems
Software Engineer Intern | May 2023 - Sep 2023- Designed and implemented a subsystem for high-accuracy and high-performance fitting of pipes in point clouds, leveraging C++, OpenGL, and Qt, resulting in a 15% increase in processing speed and a 50% improvement in accuracy.
- Developed supporting tools using C++ and Qt for manual creation and modification of pipes in CAD software, enhancing user workflows and precision.
- Utilized Jira and SVN to contribute to large-scale software projects by facilitating effective communication and delivering innovative solutions to complex technical challenges.
- Optimized point cloud processing algorithms and 3D modeling techniques using CUDA to improve project efficiency by 25% and scalability.
University of Minnesota, Center for Writing
Senior Full Stack Developer | June 2022 - Current- Developed and maintained writing support website application for writing consultation using Express.js and React.js, providing reliable service for over 7,000 active student annually at the University of Minnesota.
- Led the team to overhauled a legacy PHP/MySQL system with 36,000 lines of PHP and 20,000 lines of JavaScript, utilizing modern and maintainable technologies: React, Express.js, and MySQL, resulting in a 500% increase in system performance.
- Ensured the project adhered to best practices, creating detailed documentation to facilitate long-term maintainability and scalability.
- Led the team in completing the refactor within 5 months, replacing the legacy system while significantly enhancing performance, maintainability, and scalability.
