Lumos House, Front-end Developer, Feb 2023 ~ Aug 2024

• Established and expanded the front-end team, growing it from 1 to 4 engineers by conducting interviews, onboarding new hires, designing the development process, and mentoring junior engineers.
• Reduced API request redundancy by over 90% and improved page load times by 50% through the introduction of react-query and react-use-websocket.
• Successfully transitioned the project from vanilla JS to React, resolving stability challenges through collaboration with the PM, ensuring feature accuracy and consistency across different environments.
• Collaborated with designers and PMs to select MUI as the UI framework based on user requirements and technical constraints.
• Continuously learned and introduced TypeScript into the project, improving stability and maintainability.
• Managed version control using GitLab Flow and created automation scripts to improve junior engineers' workflow efficiency.
• Trained designers on file type selection and optimized file sizes, improving performance by reducing the impact of large files.
• Created comprehensive documentation in Notion for customer service teams, reducing front-end support time for customer service from 1 hour per day to 3 hours per month.

WEI-PO, Front-end Developer, Sep 2020 ~ Jan 2023

• Collaborated closely with PMs to create report-related UI mockups by adjusting HTML and documenting designs through screenshots while clarifying product specifications, which reduced the need for 2/3 of feature adjustment meetings related to UI corrections. 

• Applied approved troubleshooting methods to identify client-side errors and vulnerabilities while assisting with the integration of advertisement pages. 

• Introduced TypeScript using JSDoc to enhance product stability, reducing incidents from once a week to once every six months. 

• Modularized UI components to accelerate development speed and reduce redesign timelines to one week. 

• Participated in weekly team discussions to explore and compare new technologies, enhancing the team's collective knowledge and fostering a culture of continuous improvement. 

• Collaborated with the QA team to establish a structured testing process, implementing testing specifications that included manual tests by team members and automated testing in the pre-production phase, ultimately ensuring product quality and stability.

Analix Technology, Software Engineer, Feb 2019 ~ Aug 2020

• Developed a work management system using Spring Boot, enhancing the team's task tracking and management efficiency. 

• Refactored C# and search conditions, enhancing Oracle database performance and doubling both search and API efficiency, while maintaining system stability and driving continuous improvements. 

• Migrated the front-end from ExtJS to Angular and utilized D3.js for data visualization, incorporating user interaction features to enhance the overall experience. 

• Established a VMware environment to streamline product delivery, enabling clients to easily set up the system in environments without external network access. 

• Collaborated with team members to troubleshoot technical issues and propose optimization solutions. 

• Tested methodology with writing and execution of test plans, debugging and testing scripts and tools.