Full Stack Developer at Violavizn Technologies

Engineered full-stack social media application with comprehensive user authentication. Implemented core features like Tweet CRUD operations and real-time updates using Socket.IO.

Full-Stack Engineer (MERN) & UI/UX Designer at Independent Contractor (Singapore-based)

Independent contractor delivering end-to-end MERN stack development and UI/UX design for a production-grade digital networking platform. Built a full-stack solution with multi-card management, CRM-like lead management (form and manual capture), CRUD operations, per-lead detailed editing, and production-grade authentication (JWT) with role-based access control. Implemented NFC/QR code interactions, Cloudinary-based image pipeline, and real-time analytics via Socket.IO. Developed accessible React components (WCAG 2.1 AA) and deployed with CI/CD via Google Cloud Build. Built a client dashboard with team-level insights and an end-to-end delivery lifecycle.

Full-Stack Engineer (MERN) & UI/UX Engineer at Freelance / Self-Employed

Independent contractor delivering production-grade MERN-stack web applications and UI/UX design for multiple clients. Responsibilities include architecture, authentication, data modeling, real-time features, accessibility, security, and CI/CD considerations. Currently developing TouchCard (Digital Business Card Platform) and multi-user SaaS platforms with features such as NFC/QR integration, Google OAuth, and cloud-hosted deployment.

Full-Stack Developer & UI/UX Designer at Self-employed / Freelance

Architected and deployed a production-grade digital networking SaaS platform (TouchCard) with multi-card management, public card sharing via unique URLs, and contact-downloader. Implemented authentication with JWT and Google OAuth, client/server-side React/Node, real-time insights with Socket.IO, end-to-end CRM-style lead management, image pipeline storage on Cloudinary, and CI/CD on Google App Engine / Firebase Hosting. Delivered client portal features including per-card insights, e-mail signatures, and asset delivery; built for multi-user teams with backend API, admin controls, and CRMs integration.

Full-Stack Engineer (MER N) & UI/UX Designer at Freelance / Self-Employed

End-to-end MERN stack development for production-grade apps with a focus on accessibility and performance. Implemented authentication (JWT/OAuth), role-based access, and real-time features using Socket.IO. Built a NFC/QR-enabled Digital Business Card platform with multi-card management, color-brush QR code generation, and Google Wallet integration. Created a React component library and established WCAG 2.1 AA-compliant UI using semantic HTML and ARIA patterns. Implemented a client-side image pipeline (cropping) for three image types (profile, cover, logo) with Cloudinary storage. Set up CI/CD pipelines via Google Cloud Build; deployed backend on Google App Engine and frontend on Firebase Hosting. Led cross-functional teams, mentored junior developers, and delivered design systems, API key management, and CRM integrations.

Full-Stack Engineer (MERN) & UI/UX Engineer at Independent Contractor

Built production-grade MERN applications and designed inclusive, mobile-first interfaces; bridged backend architecture with frontend design; implemented AI-assisted development and security features; deployed scalable solutions on cloud platforms.

Full-Stack Developer & UI/UX Designer at Freelance / Self-Employed

Developed end-to-end SaaS projects including multi-tenant architecture, multi-user team versions, and production-grade digital card platforms with NFC/QR, Google Wallet integration; built design systems, authentication, and CRM integrations; deployed on Google App Engine and Firebase Hosting.