jahanzaib

Developed frontend using React.js, integrating Bootstrap & Material-UI for an enhanced and consistent UI/UX. Developed backend APIs using Express.js with MongoDB for efficient & scalable data management. Built and optimized mobile-responsive components, ensuring smooth adaptability across devices and screen sizes. Integrated Crisp chat widget with backend services and HubSpot APIs to automatically generate custom support tickets.

Implemented ERC721, 1155 tokens using Ethers.js with Dynamic trait creation & indexed param based on chain event filtering. Minting / Burning the ERC777 PECS token created Bridge of tokens from Ethereum to Optimism chain. Distribution of PECS token and Optimistic Ether to customers within a single transaction. Utilized React.js, Material-UI, Redux, Context API, Ethers.js, and Solidity to build a scalable and responsive blockchain-integrated application.

Developed reusable components in React & Material-UI also implemented Redux for global state management. Built and maintained backend APIs using NestJS with PostgreSQL. Wrote Solidity smart contract test cases using Chai/Mocha with the Hardhat framework. Used Ethers.js for blockchain interaction and integration. Possess in-depth knowledge of Hardhat for testing and deploying smart contracts across multiple networks.

Developed processes and forms using Angular Reactive Forms with Ant Design (ngZorro) library. Developed a dashboard in React.js using Material-UI. Acted as a business analyst to understand and analyze user requirements. Utilized Highcharts.js for data visualization and agGrid for generating reports based on form data. Worked with PostgreSQL database using JSONB data type & integrated Node.js APIs for custom operations.

Developed Node.js APIs with Express and MySQL for efficient data handling. Designed and structured React components, integrating responsive UI designs seamlessly. Developed reusable components following accessibility best practices for scalability and future use. Integrated RESTful APIs and managed state using React Hooks and Context API.