shinwong1997

Senior Full Stack Developer

Senior Fullstack Developer with 5 years of experience in innovating responsive and immersive web applications. Proven expertise in developing UI/UX for DeFi platforms and NFT marketplaces with a TVL of over $6 million USD using React, TailwindCss, NestJs and Typescript. Demonstrated ability to translate complex designs into efficient, high-quality code and successfully integrate microservices, delivering scalable solutions that serve a total of 3 million concurrent users worldwide. Aiming to leverage and expand my full-stack and Web3 expertise to drive innovation in blockchain and AI-powered applications.


Experience: 6 years

Yearly salary: $100,000

Hourly rate: $40

Nationality: 🇲🇾 Malaysia

Residency: 🇲🇾 Malaysia


Experience

Senior Fullstack Developer
Pinjam Labs - (DeFi Protocol)
2023 - 2025
Lead the designing and implementation of the frontend and backend data architecture, improving data flow efficiency. Mentored junior developers and performed peer-to-peer code reviews, enhancing code quality, resulting in improved code consistency and maintainability. Produced reusable code templates to reduce development time and improve maintainability. Built backend services using NestJs, including RESTful APIs and database integrations with PostgreSQL/MongoDB, enabling reliable data access and robust performance for core DeFi functionalities. Built internal and external projects worth $4.5M+ using Next.js, TypeScript, and Tailwind CSS, delivering performant, user-friendly interfaces with consistent design. Integrated Web 3 libraries for Web 3 capabilities such as Ethers, Viem, Wagmi, Moralis and IPFS. Implemented end-to-end testing with Cypress, designing and executing test suites that ensured high application reliability and consistent performance across various scenarios. Setting up CI/CD pipelines with Jenkins & Github Actions to automate build and deployment process, reducing manual process and improving efficiency.
Senior Fullstack Developer
xWin Technologies Finance - (Asset Management)
2021 - 2022
Refactored legacy code using React 18, SCSS and Material UI 5, modernizing the codebase and improving performance and maintainability. Developed a trading strategy using Solidity that greatly improved investors’ returns by 5% per year in BNB and Arbitrum network. Developed tokenized yield farming and trading strategies that also seamlessly integrate with xWin Finance’s tokenized portfolio and index funds. Build CRUD REST APIs with Nest.JS & MongoDB to reduce company & operation costs by facilitating efficient off-chain data analysis and aggregation. Wrote automated tests using Jest.js and Hardhat, achieving a minimum of 80% code coverage and ensuring code reliability. Integrated Web3 technologies into the application using Wagmi, WalletConnect, Viem and Ethers.js, enhancing user authentication and transaction capabilities.
Frontend Developer
Callab.Me - (Video Conference)
2020 - 2021
Developed multiple Vue applications such as Video Conference, E-Commerce, CRM, Job Portals, and Food Delivery Web App using Sass and Vue, enhancing user engagement and functionality. Integrated Web Socket into web conference applications for interactive real-time communications. Integrated microservices using Node JS, improving system efficiency and scalability. Translated designs and wireframes from Figma into high quality and reusable code, enhancing consistency and efficiency in development. Implemented responsive user interface components, significantly enhancing user experience and boosting engagement. Maintained client applications and added new features upon request, ensuring continuous improvement and client satisfaction.

Skills

business-development
decentralize
ethereum
nestjs
nextjs
node
nuxtjs
react
solidity
tailwind
typescript
vue
full-stack
english