Hao Yong

HaoYong Full Stack Engineer-Singapore PROFILE Highly motivated and versatile JavaScript and Python engineer with extensive experience in building large-scale customer-facing SaaS web applications and decentralized platforms. Specializing in React.js, Angular, Node.js, Python, Web3, and blockchain technologies, with a strong background in NFT marketplaces, CRM systems, ERP integrations, and browser extension development. Proven ability to deliver scalable and efficient solutions in fast-paced environments, focusing on problem-solving, innovation, and continuous learning. PROFESSIONAL EXPERIENCE BitForge Software LLC 01/2021 Full Stack Software Engineer Developed and deployed end-to-end web and mobile applications using modern frameworks such as React, React Native, Node.js, and Express. Led the implementation of RESTful APIs and integrated third-party services (e.g., Stripe, Firebase, and AWS) to enhance product capabilities and user experience. Designed responsive and dynamic UI components using HTML5, CSS3, TailwindCSS, and JavaScript/TypeScript, ensuring cross-platform compatibility. Utilized MongoDB and PostgreSQL for robust backend data management; optimized queries and schema design for performance and scalability. Built and maintained CI/CD pipelines and DevOps workflows using tools like Docker, GitHub Actions, and Firebase/App Store/Play Store deployments. Collaborated closely with product managers, designers, and QA engineers in Agile sprints to deliver features, fix bugs, and improve performance. Contributed to architectural decisions, code reviews, and documentation to support long-term maintainability and developer onboarding. • • • • • • • EcoVerse 03/2023 – 05/2024 Lead Blockchain Engineer Led the development of full-stack features for a decentralized green economy platform. Integrated blockchain wallet functionality and designed an NFT minting feature. Developed eco-rewards logic to encourage environmentally-friendly actions on the platform. • • • WikiRealty 01/2021 – 03/2023 Senior Full Stack Engineer Built a scalable React/Node-based platform for real estate agents and users to list, find, and share insights. Integrated real-time search and map features, enhancing user interaction and platform efficiency. • • - Developed the mobile version of the platform using React Native, ensuring cross-platform accessibility and a seamless user experience on both web and mobile devices. • Riot Racers 01/2020 – 09/2020 Full Stack Engineer Developed a car racing game portal using React, JavaScript, SCSS, and AntD. Created the Riot Marketplace platform using React and TypeScript. Designed and deployed an ERC-20 game token smart contract and minted NFTs for game assets (ERC-721). Developed a Discord bot to track and display floor price NFTs, driving community engagement. • • • • AdviNOW Medical 08/2016 – 11/2019 Senior Frontend Developer Migrated Angular 9 to Angular 11, enhancing application performance and maintainability. Developed a new doctor website and patient portal using React, improving user experience and interface. Built a telemedicine module to facilitate remote consultations. Implemented a real-time chat feature using WebRTC and WebSocket for instant communication. Developed a PDF generator to print patient insurance documentation for seamless administrative tasks. • • • • • EDUCATION Northeastern University 04/2008 – 04/2013 Bachelor in Computer Science Relevant Coursework: Software Engineering, Web Development, Blockchain Technologies, Data Structures, Algorithms • SKILLS Languages & Frameworks: JavaScript, TypeScript, | React.js, Angular, Vue.js, Nuxt.js, Next.js, | Python, Node.js, Django, Nest.js, Blockchain Technologies: Web3, | Ethereum, | NFT, | Smart Contracts, Database & APIs: MongoDB, SQL, Firebase, | RESTful APIs, | WebSocket, WebRTC DevOps & Tools: Git, Bitbucket, Gitlab, | Docker, Jenkins, CI/CD, Nginx | AWS, Firebase, GCP, Azure UI/UX & Design: AntD, Material UI, CSS3, HTML5, Figma - CERTIFICATES Certified Blockchain Developer Full Stack Web Development React.js, Angular & Node.js Certification REFERENCES -