Sufyan Ali

Website and Blockchain Developer

Fifthline • Full-time

Dec 2021 - Dec 2024 • 3 yrs

•Designed and developed responsive web applications using MongoDB, Express.js, React.js, and Node.js, ensuring high performance and scalability. •Built and deployed secure smart contracts on Ethereum-compatible blockchains using Solidity and integrated them with dApps via ethers.js and web3.js. •Implemented user authentication and authorization using JWT, OAuth, and WalletConnect, ensuring seamless and secure login experiences. •Developed RESTful APIs and GraphQL endpoints, enabling smooth data flow between client and server applications. •Deployed applications on cloud platforms (AWS, Vercel, Heroku) with CI/CD pipelines for streamlined development and delivery.

WEBSITE DEVELOPER

STUDENTMARKETPLACE (PVT) LTD • Full-time

Apr 2019 - Dec 2021 • 2 yrs 8 mos

•Designed, developed, and maintained responsive and scalable web applications using MongoDB, Express.js, Angular/React, and Node.js •Built and integrated RESTful APIs to handle client–server communication efficiently. •Collaborated with UI/UX designers to implement modern, user-friendly interfaces. •Implemented authentication and authorization using JWT, OAuth, or Firebase. •Used Git and GitHub for version control and team collaboration. •Integrated third-party APIs (e.g., payment gateways, Google Maps,etc.) •Followed Agile development practices and participated in sprint planning and code reviews. •Ensured websites met cross-browser compatibility and responsive design standards

WEBSITE DEVELOPER

WBM International • Full-time

Aug 2018 - Dec 2019 • 1 yr 4 mos

•Designed and developed logistics management systems using MongoDB, Express.js, Angular, and Node.js. •Built modules for shipment tracking, driver management, and delivery route optimization. •Integrated real-time tracking using Google Maps API and WebSocket for live location updates. •Created automated booking and dispatch systems, reducing manual workload and errors. •Implemented role-based dashboards for admin, customer, and driver panels. •Developed API endpoints for user management, health data, and appointment handling.