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A self-taught full-stack developer who grew from hacking Club Penguin to building enterprise solutions with TypeScript and React. I craft practical applications across mobile and web platforms while actively contributing to open source. Driven by simplicity and purpose, I'm on a mission to create meaningful impact through technology.
work experience
work experience
Software Engineer
September 2021-present- Contributed to the development and improvement of the mobile application, including app refresh and design system library.
- Improved user engagement and acquisition by 30% by maintaining nearly 97% crash-free rate.
- Repository owner and release manager for the past 3 years, with over 170 OTA releases.
- Maintained and supported the existing smartphone application, ensuring its stability, performance, and user experience.
- Collaborate with cross-functional teams, such as designers, and QA engineers, to define project requirements, prioritise tasks, and deliver over 10+ major features.
- Identify and implement best practices, coding standards, and software development methodologies to enhance productivity and quality.
Software Engineer
December 2020 - September 2021- Developed LifeSG - a mobile app with over 40 government services.
- Utilised Typescript for static typing with libraries such as Redux and React Navigation.
- Performed unit testing for components with the help of Jest and React Testing Library, achieving over 90% code coverage.
- Participate in performance testing and review of the application before release.
- Collaborated with the design team to provide creative input - improved user satisfaction scores by 28%.
- Implement and improve RESTful web services with Koa and MySQL.
Software Engineer (intern)
July 2020 - December 2020- Build and enhance Salesforce plugins and extensions according to design specification.
- Define architecture models and components for various integrating technologies and platforms.
- Perform migration and deployment to production systems from various sandboxes.
Projects
- A web scraper system that monitors and tracks hundreds of used car listings across Singapore's automotive marketplaces daily
- Tracks historical price changes and listing modifications over time to identify market trends
- Built using TypeScript for robust type safety and maintainable code
- Implements Redis for efficient caching and managing the scraping queue system
- Uses MongoDB as the primary database for storing listing data and historical changes
- Features a React web application frontend that visualizes statistics and displays differential changes in listings
- A comprehensive mobile application built with React Native to serve carnival-goers at Uncle Ringo in Singapore, enabling ticket purchases and attraction information access
- Robust backend system developed with TypeScript and Express, handling user authentication, ticket management, and real-time carnival operations
- Dedicated admin panel built with React and TypeScript for staff to manage carnival operations, monitor ticket sales, and handle customer service requests
- Implements Redis for efficient caching of frequently accessed data and session management
- Uses MariaDB as the primary database for storing user data, ticket information, and carnival operational data
- Features real-time updates and notifications for both customers and staff about carnival events and operational changes
- Chrome extension to enhance Carousell marketplace productivity
- One-click listing deletion for faster store management
- Blacklist and filtering system for unwanted listings
- Profile reputation tracking and scoring
- User blocking and management features
- Console application to extract WhatsApp data from Google Drive backups
- Downloads chat history and media files from WhatsApp backups
- Provides command-line interface for backup extraction
Skills
Typescript, JavaScript, Node.js, React.js, NextJs, React Native, Redux + @tanstack + Hooks, MongoDB, Postgres,
WebSocket, Rest APIs Visual Studio Code, Git,
Docker, CI/CD with Github Actions, Turborepo, Caddy
Education 
Degree in Computer Science
Aug 2017 – Dec 2020- Undergraduate coursework: Operating Systems, Databases, Algorithms, Object Oriented Programming, Software Engineering
- Specialization: Artificial Intelligence and Data Science and Analytics - Machine Learning, Natural Language Processing, Intelligent Agent, Information Retrieval, Computer Security
