Hi, I'm Tanmoy Sarker, a versatile software developer based in Ballarat with a strong focus on frontend, mobile, and Web3. I’ve built NFT membership systems, wallet-auth DApps, and smart contract platforms, and I’ve delivered scalable interfaces for home automation and e-commerce. I thrive in product-driven, collaborative teams where UX, performance, and maintainable code drive outcomes. I enjoy turning complex problems into delightful experiences, from crafting robust React/Next.js frontends to bridging on-chain data with backend services. My experience spans startups and contract work across Australia, India, Estonia, and Bangladesh, and I’m always eager to learn new technologies and contribute to meaningful projects.

Tanmoy Sarker

Hi, I'm Tanmoy Sarker, a versatile software developer based in Ballarat with a strong focus on frontend, mobile, and Web3. I’ve built NFT membership systems, wallet-auth DApps, and smart contract platforms, and I’ve delivered scalable interfaces for home automation and e-commerce. I thrive in product-driven, collaborative teams where UX, performance, and maintainable code drive outcomes. I enjoy turning complex problems into delightful experiences, from crafting robust React/Next.js frontends to bridging on-chain data with backend services. My experience spans startups and contract work across Australia, India, Estonia, and Bangladesh, and I’m always eager to learn new technologies and contribute to meaningful projects.

Available to hire

Hi, I’m Tanmoy Sarker, a versatile software developer based in Ballarat with a strong focus on frontend, mobile, and Web3. I’ve built NFT membership systems, wallet-auth DApps, and smart contract platforms, and I’ve delivered scalable interfaces for home automation and e-commerce. I thrive in product-driven, collaborative teams where UX, performance, and maintainable code drive outcomes.

I enjoy turning complex problems into delightful experiences, from crafting robust React/Next.js frontends to bridging on-chain data with backend services. My experience spans startups and contract work across Australia, India, Estonia, and Bangladesh, and I’m always eager to learn new technologies and contribute to meaningful projects.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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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 5, 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 5, 2025
Worked on a Blockchain based token sharing application with Ethereum. Freelance frontend development. 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 5, 2025
Built mobile applications using React Native to deliver a consistent experience across iOS and Android platforms. Optimized performance and UI for different devices. 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 5, 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.

Education

Master of IT - Software Engineering (Master's Project: Health Records Simulator) at Federation University
February 1, 2023 - November 1, 2024
Bachelor of Technology in IT at Sharda University
September 1, 2013 - October 1, 2017

Qualifications

AWS Certified Cloud Practitioner
July 1, 2024 - October 5, 2025

Industry Experience

Software & Internet, Gaming, Professional Services, Media & Entertainment, Retail, Healthcare