About

Work Experience

• Software Engineer, ADVN Global

  Sep, 2022 - Present

  Rebranded from ADVN and expanded software development services for customers across Asia, specializing in outsourced software solutions. Worked as a Fullstack Developer, responsible for developing and maintaining landing pages, user portals, and admin web portals for small and medium-sized businesses, suppliers, and retail customers. Contributed to a subscription-based platform, implementing new features, maintaining existing systems, and improving application performance.s

  • Tech stacks: Ruby on Rails, Node.js, JavaScript, TypeScript, PostgreSQL, Redis, AWS S3, RESTful APIs, GitLab CI/CD

  • Built and shipped production features for the Hainong Digital Agriculture Ecosystem using Ruby on Rails and Node.js.

  • Designed RESTful APIs for products, articles, and gamification modules while defining API documentation shared across frontend and backend teams.

  • Optimized PostgreSQL queries and indexing, reducing API response time by approximately 25–30%.

  • Implemented Redis caching, background jobs, and AWS S3 integration to maintain latency below 200ms.

  • Conducted code reviews and created/reviewed unit tests using RSpec and JUnit.

  • Worked closely with Product, QA, and UX teams in Agile Scrum while maintaining GitLab CI/CD pipelines.

Projects Experience

• Hainong - Digital Agriculture Ecosystem

  Sep, 2022 - Present

  • Built production features using Ruby on Rails and Node.js.

  • Designed RESTful APIs and shared technical API documentation.

  • Optimized SQL queries and indexing to improve API performance by 25–30%.

  • Implemented Redis caching, background jobs, and AWS S3 storage.

  • Performed code reviews and unit testing with RSpec and JUnit.

  • Configured GitLab CI/CD pipelines for multi-environment deployment.

• De Men - B2B Web Portal

  Dec, 2022 - Dec, 20253 years

  • Developed responsive UI with Next.js and TailwindCSS.

  • Implemented authentication and full CRUD functionality across frontend and backend.

  • Improved page load speed by approximately 20% using Next.js Server-Side Rendering.

  • Refactored frontend into reusable component architecture.

  • Integrated Firebase for authentication and real-time features.

  • Collaborated directly with PMs and designers throughout Agile development.

• Hainong Analytics & Reporting Dashboard

  Jan, 2023 - Dec, 20241 year 11 months

  • Developed reporting dashboard using Ruby on Rails, Stimulus, Bootstrap, and PostgreSQL.

  • Implemented SQL-based data aggregation for users, products, orders, registrations, and activity metrics.

  • Built interactive charts and filtering capabilities.

  • Unified reporting across multiple Hainong platforms into a single dashboard.

• Playwright Automation | Personal Project

  Apr, 2026 - Present

  • Built a Playwright automation framework using the Page Object Model (POM), supporting UI, Smoke, End-to-End (E2E), and API testing.

  • Reduced test suite execution time by approximately 35% by seeding test data through APIs instead of the UI.

  • Integrated GitHub Actions to automate test execution and enforce smoke test gates on pull requests.

  • Implemented reusable services, helpers, and common components to improve code maintainability and reduce duplication.

Skills

Education