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I'm a versatile software developer with strong frontend, mobile, and Web3 expertise. I enjoy building scalable, user-centric applications and interoperable blockchain DApps. I thrive in collaborative, product-driven environments and have delivered NFT membership systems, wallet-auth DApps, and smart contract platforms, as well as scalable interfaces for home automation and e-commerce.…

Tanmoy Sarker

Front-End Developer, Full Stack Developer, Web Developer, +3

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I'm a versatile software developer with strong frontend, mobile, and Web3 expertise. I enjoy building scalable, user-centric applications and interoperable blockchain DApps. I thrive in collaborative, product-driven environments and have delivered NFT membership systems, wallet-auth DApps, and smart contract platforms, as well as scalable interfaces for home automation and e-commerce.…

Available to hire

I’m a versatile software developer with strong frontend, mobile, and Web3 expertise.
I enjoy building scalable, user-centric applications and interoperable blockchain DApps. I thrive in collaborative, product-driven environments and have delivered NFT membership systems, wallet-auth DApps, and smart contract platforms, as well as scalable interfaces for home automation and e-commerce.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Frontend Developer at OOBIKOO GAMES PTY LTD

January 1, 2025 - Present

Built and deployed ERC-721 NFT membership contracts with mint/burn logic and upgradeable proxy (OpenZeppelin, Hardhat). Implemented wallet auth flows with EIP-191 signatures, JWT tokens, and MetaMask, WalletConnect, and Passport support. Developed frontend DApp (Next.js + React) for wallet connect, contract interaction, and real-time UX feedback. Integrated blockchain with backend APIs for membership checks and on-chain queries. Secured contracts with signature verification, access control, and anti-reentrancy guards.

Software Developer at JOURNEY2

November 1, 2024 - October 2, 2025

Delivered debt management system for 70+ ForHealth clinics to improve financial oversight. Upgraded QR Check-In app with concession card benefits, enhancing access for seniors and DVA holders. Led frontend dev and testing; used MS Clarity and MongoDB to optimize performance and UX.

Senior Software Developer at METADESIGN SOLUTIONS

January 1, 2023 - October 2, 2025

Worked on a Blockchain based token sharing application with Ethereum. Designed and integrated the app interface with Node.js server logic, developed secure APIs, implemented MongoDB CRUD operations, and converted the project to TypeScript for better maintainability.

Front End Developer at AALPIN DIGITAL (ON THE PROJECT OF BISLY)

September 1, 2022 - October 2, 2025

Built mobile applications using React Native to deliver a consistent experience across iOS and Android platforms. Optimized the app’s performance and user interface for different devices and screen sizes. Designed and implemented the interface for controlling home or office devices within the Bisly ecosystem, displaying electricity consumption and costs with monthly charts and filtering options.

Javascript Engineer at WEDEVS

September 1, 2021 - October 2, 2025

Led React Native development for Dokan-based E-commerce app used by 70,000+ businesses; delivered custom features to 200+ clients via CI/CD pipeline. Managed a team of 4, ensuring code quality and collaboration through Git and code reviews.

Frontend Developer at OOBIKOO GAMES PTY LTD

January 1, 2025 - Present

Built and deployed ERC-721 NFT membership contracts with mint/burn logic and upgradeable proxy using OpenZeppelin and Hardhat. Implemented wallet authentication with EIP-191 signatures, JWT tokens, and MetaMask/WalletConnect/Passport support. Developed a frontend DApp (Next.js + React) for wallet connection, contract interaction, and real-time UX feedback. Integrated blockchain with backend APIs for membership checks and on-chain queries. Secured contracts with signature verification, access control, and anti-reentrancy guards.

Software Developer at JOURNEY2

November 1, 2024 - October 2, 2025

Delivered a debt management system for 70+ ForHealth clinics to improve financial oversight. Upgraded QR Check-In app with concession card benefits, enhancing access for seniors and DVA holders. Led frontend development and testing; used MS Clarity and MongoDB to optimize performance and UX.

Senior Software Developer at METADESIGN SOLUTIONS

January 1, 2023 - October 2, 2025

Worked on a blockchain-based token sharing application with Ethereum. Designed and integrated the app interface with Node.js server logic, developed secure APIs, implemented MongoDB CRUD operations, and migrated the project to TypeScript for better maintainability.

Front End Developer at AALPIN DIGITAL (ON THE PROJECT OF BISLY)

September 1, 2022 - October 2, 2025

Built mobile applications using React Native for iOS and Android; optimized performance and UI. Designed interfaces for controlling home/office devices within the Bisly ecosystem, displaying electricity consumption and monthly charts with filtering options.

Javascript Engineer at WEDEVS

September 1, 2021 - October 2, 2025

Led React Native development for a Dokan-based E-commerce app used by 70,000+ businesses; delivered custom features to 200+ clients via CI/CD. Managed a team of 4, ensured code quality and collaboration through Git and code reviews.