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PROFESSIONAL SUMMARY

Frontend Engineer with 4 years of experience building and maintaining enterprise SaaS products using Vue.js, TypeScript, and modern frontend tooling. Contributed to AI workflow features at Moatable (lofty.com) a global product company with 100+ engineers across Vietnam and China including a full codebase refactor of a 5-year-old legacy system completed within 2 months. Previously at CATTHAI, architected and delivered a KPI platform used by 1,500+ employees in collaboration with a Big4 company (petroleum industry). Focused on writing scalable, maintainable code and contributing meaningfully across the full feature lifecycle.

WORK EXPERIENCE

Frontend Engineer
Moatable โ€“ Lofty Team
May 2025 โ€“ May 2026
Ho Chi Minh City
  • Contributed to the migration of Smart Plan v2 from a legacy Vue 2 monolith to a Vue 3 node-based drag-and-drop engine (LogicFlow), delivered within a strict 2-month deadline with 100% backward compatibility for all existing enterprise workflow data.
  • Built UI for Lofty AI features including AI Workflow builder and Agent Studio tools enabling real estate agents to configure and deploy automated lead nurturing sequences without writing code.
  • Worked in a cross-regional Agile team (VN + CN, 100+ engineers) collaborating with PM, Design, QA, and Backend through full feature lifecycle: PRD review โ†’ implementation โ†’ QA coordination โ†’ release.
  • Maintained code quality through regular reviews; wrote technical documentation to onboard new team members and align AI tooling with codebase conventions.
Middle Frontend Developer (Progressed: Fresher โ†’ Junior โ†’ Middle)
CATTHAI Co.
Mar 2022 - May 2025
Ho Chi Minh City
  • Led frontend development across multiple enterprise web applications using Vue.js 3, Quasar, Nuxt.js, and Pinia owning architecture decisions and component design from scratch.
  • Architected and delivered a full-scale KPI management system for a 1,500+ employee enterprise in collaboration with a Big4 company (petroleum industry) handling data-dense dashboards with real-time WebSocket updates at sub-second rendering under high mutation rates; included RBAC, Excel import/export, and PWA with offline sync.
  • Integrated RESTful APIs, GraphQL endpoints, and WebSocket connections; wrote Cypress E2E test suites that reduced regression issues by ~40% across releases.
  • Mentored 3 junior developers through code reviews and established team coding standards adopted across all projects.

PROJECTS

Lofty AI-Powered Real Estate Platform
Frontend Engineer ยท Moatable
May 2025 โ€“ May 2026
Team Size: 100+ (cross-region: VN & CN)
Technologies: Vue.js 2/3, LogicFlow, JavaScript, TypeScript, LESS, RESTful APIs, WebSocket
Website: lofty.com
  • Built and iterated on the Smart Plan automation module a workflow engine for configuring lead nurturing sequences with conditional triggers, multi-channel actions, and real-time enrollment tracking.
  • Contributed to Lofty AI features including AI Workflow builder, Agent Studio, and Homeowner Agent enabling agents to deploy intelligent automations without code.
  • Followed end-to-end product delivery process: PRD review, design handoff, feature implementation, QA coordination, and deployment maintaining high release quality across sprints.
Enterprise KPI Management System
Frontend Team Lead
May 2023 - current
Role: Frontend Team Lead
Team Size: 8 members (1 PM, 3 Frontend, 2 Backend, 2 BA)
Technologies: Vue.js, Quasar, Vite, HTML5, CSS3, SCSS, JavaScript, Docker, CI/CD, Cypress E2E Testing, PWA
  • Delivered enterprise-wide KPI platform across 30+ departments in collaboration with a Big4 company (petroleum industry) โ€” supporting performance tracking, goal allocation, and analytics at scale
  • Built data-dense UI featuring keyboard shortcuts, interactive charts, advanced filtering, and reporting tables reducing manual reporting time for department heads
  • Implemented role-based access control with 3 permission tiers (System Admin, Department Head, Employee) and granular feature-level access management
  • Engineered Excel import/export, org hierarchy management, automated goal allocation, real-time reporting, and multi-language support (Vietnamese/English)
  • Delivered PWA with push notifications, offline caching, and background sync enabling full functionality without internet access in field environments
Personal Blog & Portfolio Website
Full-stack Developer & Creator ยท Side Project
Jan 2025 โ€“ Present ยท Maintained alongside full-time work
Technologies: Vue.js, Astro, JavaScript, Markdown, RSS, SEO Optimization
Live Demo: yonnon.info
  • Developed high-performance personal blog and portfolio website focused on language learning resources, coding tutorials, and technical documentation
  • Implemented advanced performance optimization techniques including lazy loading, image optimization, RSS feeds, pagination, and comprehensive SEO-friendly architecture
  • Created modern responsive design following UI/UX best practices with enhanced reading experience, dark mode support, and accessibility compliance (WCAG guidelines)