Elvis Chan
Vancouver,Canada
Summary
With over 8 years of technical expertise in web and front-end development, mastering tools like React, TypeScript, Next.js, and Tailwind, I’ve built a strong foundation that has evolved into strategic leadership across roles from Senior and Staff Engineer to Dev Lead. Recently, I’ve harnessed AI and LLM integration to amplify productivity, elevate code quality, and enhance team efficiency, seamlessly bridging my deep front-end architecture skills, performance optimization know-how, and modern development workflows with cutting-edge AI innovation.
Overview
8
8
years of professional experience
Work History
Senior Software Engineer
Cylinder Health
Chicago, IL
01.2025 - 10.2025
- Drove adoption of AI-assisted development, leading sessions on LLMs, Cursor, and Claude to enhance code generation, debugging, and workflows while boosting team productivity and delivery speed.
- Designed and developed a custom mobile gallery for an AI-powered food tracking app, improving image selection, performance, and user engagement across iOS and Android.
- Overhauled a healthcare scheduling system with a new API, increasing efficiency, scalability, and patient booking throughput.
- Launched a mobile group chat support feature under tight deadlines, reducing support response times and costs while improving client satisfaction.
Senior Frontend Engineer
EcoCart
San Francisco, CA
10.2022 - 12.2024
- Drove adoption of automated testing with Husky, ESLint, Testing Library, and Cypress—reducing bugs by 40% and maintaining 99.9% uptime.
- Built custom Shopify apps and an in-house design system using React, React Native, and Svelte, cutting bundle sizes by 18%, improving load times, and enhancing UI/UX consistency—boosting engagement and conversion on e-commerce sites.
- Developed internal WYSIWYG tools to streamline widget customization and collaborated cross-functionally to align product design and roadmaps with market and user needs.
Senior to Staff Engineering Leader
Certn
Victoria, BC
12.2020 - 03.2022
- Advanced from Senior Front End Developer to Engineering Dev Lead, and a swift promotion to Staff Engineer within a year, driving transformative feature design and strategic innovation.
- Spearheaded a revolutionary overhaul of the technology stack, mastering React, Redux, and TypeScript, while delivering compelling tech talks and pioneering cutting-edge web development practices to ignite innovation.
- Orchestrated dynamic scrum ceremonies and weekly check-ins to supercharge team morale and collaboration.
- Led the creation of a robust internal UI component library with React, TypeScript, Storybook, Rollup, and Tailwind, prioritizing accessibility and delivering an exceptional user experience.
- Empowered junior and intermediate developers with transformative mentorship, elevating frontend excellence, optimizing code quality, and fueling productivity through insightful design mockup brainstorming sessions.
Front-end Engineer
App Annie (now data.ai)
Vancouver, BC
03.2020 - 11.2020
- Collaborated with Product teams and designers to evaluate UI designs for feasibility and detail creation.
- Authored high-quality code using React Testing Library and Jest, boosting application reliability.
- Enhanced App Annie's React UI library by prioritizing reusable components to improve design efficiency.
- Promoted to the scrum master role within two months, acknowledged for exemplary work ethic.
- Conducted code reviews and interviews for senior developer positions.
- Partnered with Senior Engineering Director to implement process enhancements.
Web Developer
The Jibe
Vancouver, BC
04.2018 - 03.2020
- Led the company website rewrite overhaul, mentored junior developers, and managed a team of five. of five.
- Developed eCommerce solutions using Shopify, BigCommerce, WordPress, and modern technologies, transforming Sketch/Figma mockups into responsive sites to enhance user engagement.
Software Developer / Frontend Engineer
Grow Technologies Inc.
Vancouver, BC
06.2017 - 03.2018
- Engineered SPA for Canadian banks, enabling customer signups and retention workflows for bank products.
- Advanced scalable React component development, elevating codebase quality through meticulous reviews and comprehensive testing.
- Achieved proficiency in accessibility standards, identifying 28.3% of issues to drive a 31.7% resolution rate.
- Implemented rigorous Jest/Enzyme testing to ensure component robustness and maintainability.
Education
Web Development Diploma -
Lighthouse Labs
Vancouver06.2017
Bachelor of Science - Management Science
University of California, San Diego
San Diego, CAComputer Science -
Diablo Valley College
Pleasant Hill, CASkills
- Front-End and Full-Stack & API Development
- AI & LLM Integration, Vercel AI SDK
- React, NextJS, Tailwind
- Component Library API design
- UI/UX Design & Optimization
- Team Leadership & Agile Practices
Timeline
Senior Software Engineer
Cylinder Health
01.2025 - 10.2025
Senior Frontend Engineer
EcoCart
10.2022 - 12.2024
Senior to Staff Engineering Leader
Certn
12.2020 - 03.2022
Front-end Engineer
App Annie (now data.ai)
03.2020 - 11.2020
Web Developer
The Jibe
04.2018 - 03.2020
Software Developer / Frontend Engineer
Grow Technologies Inc.
06.2017 - 03.2018
Web Development Diploma -
Lighthouse Labs
Bachelor of Science - Management Science
University of California, San Diego
Computer Science -
Diablo Valley College