Lei Feng
Singapore,Singapore
Summary
Full Stack Developer with over 6 years of experience in developing high-performance web applications. Proficient in React.js, Vue.js, and Svelte, emphasizing clean architecture and responsive design. Skilled in Python and Node.js for API development and data management, with a focus on enhancing user experience and collaborating effectively in Agile environments.
Overview
6
6
years of professional experience
Work History
Senior Full Stack Developer
Reversepilot - South River Mortgage
06.2024 - 12.2025
- Developed reverse mortgage loan origination system using Vue.js 3 and Django, enabling over 65 loan workflows.
- Architected comprehensive single-page application with 238+ Vue components utilizing Composition API and Vuex.
- Designed responsive UI with TailwindCSS, incorporating reusable components such as DataTables and Dialogs.
- Created interactive data visualization dashboards for loan pipeline analytics with ApexCharts and Chart.js.
- Implemented multi-step loan workflows featuring real-time validation and drag-and-drop document management.
- Engineered settings management portal with over 20 configuration pages for various company settings.
- Integrated automated document generation pipeline processing 298+ HTML templates into PDFs via WeasyPrint.
- Established secure credential storage for third-party API keys with audit trails for modifications.
Full Stack Developer
The Ticket Collective - Encore Tickets
10.2022 - 04.2024
- Developed SvelteKit-based gig economy platform with a comprehensive component library and real-time Supabase subscriptions.
- Architected production application featuring server-side rendering, file-based routing, and API routes for over 15 webhook integrations.
- Implemented code-splitting and lazy loading strategies to optimize bundle size and improve initial page load performance.
- Built reactive state management using Svelte stores for user session, cart submissions, and notification updates.
- Designed mobile-first responsive layouts for seamless experiences across desktop, tablet, and mobile devices.
- Created reusable component library including DataTables, Modals, Dropdowns, Form Inputs, Badges, Cards, and Toast notifications.
- Engineered multi-step OpenAI GPT-4 Vision pipeline to enhance submission review accuracy through automated cart screenshot analysis.
- Integrated intelligent ticket verification system parsing confirmation emails with AI-powered content extraction.
Frontend Developer
Tilelook Planner
03.2020 - 08.2022
- Built interactive pages enabling creation, editing, and visualization of 2D home structures with real-time feedback.
- Developed browser-based 2D home design application using Svelte for direct room layout modifications.
- Implemented geometric algorithms supporting accurate drawing, object positioning, snapping, scaling, and collision detection.
- Leveraged mathematical computations for coordinate transformations and distance calculations ensuring precision on design canvas.
- Utilized local storage to persist user designs, allowing seamless save and restore functionality across sessions.
- Optimized performance for smooth rendering, achieving consistent usability across modern web browsers.
- Achieved 60 FPS rendering performance by minimizing redraws and leveraging Svelte's reactive model.
- Reduced geometry calculation overhead by 35% through optimized data structures and selective recalculations.
Education
Bachelor of Science (Honours) - Computer Science
Singapore Institute of Technology
Singapore, Singapore06.2019
Skills
- JavaScript (ES6) and TypeScript
- Reactjs and Vuejs
- Svelte and SvelteKit
- HTML5 and CSS3
- TailwindCSS
- Nodejs and Python
- Django, FastAPI, and Flask
- MongoDB and SQL databases
- Task scheduling and background jobs
- Event-driven workflows
- GitHub Actions for CI/CD automation
- Docker and AWS
- REST APIs with authentication/authorization
- Secure service integration
- Agile/Scrum methodologies
- Problem solving skills
- Technical documentation expertise
- Team collaboration
Timeline
Senior Full Stack Developer
Reversepilot - South River Mortgage
06.2024 - 12.2025
Full Stack Developer
The Ticket Collective - Encore Tickets
10.2022 - 04.2024
Frontend Developer
Tilelook Planner
03.2020 - 08.2022
Bachelor of Science (Honours) - Computer Science
Singapore Institute of Technology