Hi, I'm Harry👋
Frontend Engineer & Software Engineer
I'm a Software Engineer specializing in front-end development with React/Next.js and TypeScript. I have experience in building scalable and maintainable web applications. Experienced in FinTech and blockchain projects, processing datasets with millions of records simultaneously, and architecting enterprise-scale inventory systems.
About Me.
I am a software engineer specializing in user interface design and enhancing user experiences. I graduated from HUFLIT in Sep 2022 with a Bachelor's degree in Software Engineering. Currently, I am a Frontend Engineer with 4 years of experience working with React/Next.js, TypeScript, and other modern technologies. I have extensive experience working in FinTech and blockchain, processing large datasets, and building large-scale inventory management systems. My upcoming goal is to develop myself, learn more about technologies, problem-solving trends, and team management to become a Frontend Tech Lead. At present, I am focusing on the React/Next.js ecosystem, optimizing performance, and building scalable UI architectures. I enjoy solving complex problems and continuously learning new technologies to provide better solutions.
Experience.
Frontend Developer (Middle/Senior)
Alchemy
04/2023 – Hiện tại
Core developer for enterprise-scale Web3 GameHub platform and internal operational systems.
Crypto GameHub Platform - Client-side
A client-facing platform for transactions, deposits, withdrawals, and gameplay.
- Developed multi-threaded, dynamic UI/UX to enhance the user experience for deposit, withdrawal, and gameplay functionalities.
- Refactored the existing Styled UI to UIKit and utilized shadcn/ui for UI standardization, ensuring a consistent, cohesive design across the platform and improving overall user experience.
- Built and maintained features that improved SEO to support marketing efforts.
- Created an immersive, live-feeling web experience through dynamic updates and time-based features.
- Developed a chat communication system that enabled real-time interaction between users.
Crypto GameHub Platform - Admin-side
Administrative back-office equipped with AI bot integration, real-time charts, and role-based management.
- Refactored the codebase from React 16 to the latest React 18+ with ES6+ standards, and migrated build setup to Vite.js, improving code quality, maintainability, performance optimizations, and build speed.
- Built a dashboard with charts to track the system's money input/output, enhancing monitoring and reporting capabilities.
- Managed multi-role user interface elements for the admin web, supporting role-based access control.
- Utilized socket.io to update token prices in real-time, ensuring token values reflect current market trends and providing accurate financial data.
- Handled large-scale data, optimizing performance for millions of simultaneous users and ensuring smooth system operations.
- Integrated Gemini AI chat box for efficient management, including forecasting token limits, voucher payouts, and bot token quotas.
- Built robust fallback mechanisms for AI bots to handle data processing errors and ensure smooth interactions with users.
Frontend Developer
Aion Tech
08/2022 – 01/2023
Developed high-security banking systems for internal users and customers.
VTM (Video Teller Machine)
An automated transaction system for VTM (Video Teller Machine) kiosks.
- Developed responsive front-end features in the web client, implementing dynamic UI components and interactive user experiences for deposit and withdrawal functionalities.
- Architected role-based authentication on the admin side and designed custom interfaces for each user role, ensuring appropriate access control, minimizing customer data exposure, and enhancing the user experience.
- Integrated SDK Video Call for live customer support directly from the VTM device.
- Optimized large-scale data handling with Pagination and Virtual Scrolling, and supported real-time data visualization with Elastic Search for efficient performance.
- Wrote comprehensive Unit Tests for components and APIs. Integrated Sentry to monitor, log, and effectively debug production issues.
Frontend Developer
ITBee Solution
08/2021 – 08/2022
Developed a full-stack management and marketing platform for Spa/Clinic chains.
Daysaki Spa & Clinic
The Daysaki system enables comprehensive healthcare service access and management.
- Developed a web application for both client and admin using React.js and Next.js.
- Implemented client-side features for service browsing, appointment booking, and customer reviews, used Next.js for better supported for SEO.
- Built the Admin side with React.js and used Redux Toolkit and Redux Thunk to manage admin-side state for appointment management, payment processing, and customer data, and Socket.io real-time order management capabilities.
- Utilized GraphQL for efficient data fetching and management between the client and server, ensuring optimized and flexible queries.
- Optimized the website for SEO to improve Google search visibility and traffic.
Projects.
Crypto Gamehub Platform
Frontend DeveloperCentralized Web3 gaming platform integrating cryptocurrency transactions and an LLM-powered Telegram Chatbot (Gemini API) for customer service. Utilized Next.js (App Router) for SEO, handled transaction signing via Wagmi/Ethers.js on Ethereum/BNB Chain, and designed 'Core Soul' architecture to optimize LLM token usage.
VTM Transaction Management
Frontend DeveloperDeposit/withdrawal transaction management system for SacomBank's Video Teller Machines (VTM). Designed highly secure UI, developed WebSocket-enabled Admin Dashboard for minimal latency, and integrated Unit Testing & Sentry logging.
Daysaki Spa & Clinic
Frontend DeveloperProcess management and promotional platform for a Spa/Clinic chain with SEO optimization. Built Admin Dashboard featuring complex analytical charts and real-time order tracking capabilities.
Skills.
Education.
Cử nhân Công nghệ Thông tin
Đại học Ngoại Ngữ - Tin Học (HUFLIT)
2018 – 2022Contact.
Have an interesting project? Get in touch with me!