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I am passionate about blockchain, smart contract development and security. With a foundation in programming from my education, I’ve studied books and online courses focused on Ethereum, Solidity, and the EVM. My latest project, Smart Transfer (1000+ lines of Solidity and 100+ tests) took me through the full development cycle of smart contracts, from writing and testing to gas optimization and security considerations, and deploying on EVM-compatible networks. While I continue building my portfolio, I aim to contribute to real projects and grow in the web3 world. I am actively seeking career opportunities and believe that joining a successful team will help me further develop and improve.…I am passionate about blockchain, smart contract development and security. With a foundation in programming from my education, I’ve studied books and online courses focused on Ethereum, Solidity, and the EVM. My latest project, Smart Transfer (1000+ lines of Solidity and 100+ tests) took me through the full development cycle of smart contracts, from writing and testing to gas optimization and security considerations, and deploying on EVM-compatible networks. While I continue building my portfolio, I aim to contribute to real projects and grow in the web3 world. I am actively seeking career opportunities and believe that joining a successful team will help me further develop and improve.

Mihai Hanga

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I am passionate about blockchain, smart contract development and security. With a foundation in programming from my education, I’ve studied books and online courses focused on Ethereum, Solidity, and the EVM. My latest project, Smart Transfer (1000+ lines of Solidity and 100+ tests) took me through the full development cycle of smart contracts, from writing and testing to gas optimization and security considerations, and deploying on EVM-compatible networks. While I continue building my portfolio, I aim to contribute to real projects and grow in the web3 world. I am actively seeking career opportunities and believe that joining a successful team will help me further develop and improve.…I am passionate about blockchain, smart contract development and security. With a foundation in programming from my education, I’ve studied books and online courses focused on Ethereum, Solidity, and the EVM. My latest project, Smart Transfer (1000+ lines of Solidity and 100+ tests) took me through the full development cycle of smart contracts, from writing and testing to gas optimization and security considerations, and deploying on EVM-compatible networks. While I continue building my portfolio, I aim to contribute to real projects and grow in the web3 world. I am actively seeking career opportunities and believe that joining a successful team will help me further develop and improve.

Available to hire

I am passionate about blockchain, smart contract development and security. With a foundation in programming from my education, I’ve studied books and online courses focused on Ethereum, Solidity, and the EVM. My latest project, Smart Transfer (1000+ lines of Solidity and 100+ tests) took me through the full development cycle of smart contracts, from writing and testing to gas optimization and security considerations, and deploying on EVM-compatible networks.

While I continue building my portfolio, I aim to contribute to real projects and grow in the web3 world. I am actively seeking career opportunities and believe that joining a successful team will help me further develop and improve.

Skills

Experience Level

Intermediate

Intermediate

Beginner

Beginner

Beginner

Beginner

Language

English

Fluent

Italian

Advanced

German

Beginner

French

Beginner

Work Experience

Smart Contract/Dapp Developer at Portfolio

January 1, 2024 - November 20, 2025

https://github.com/MihaiHng - Smart Transfer – 1,000+ lines Solidity contract, 100+ Foundry tests and fuzzing . Secure password-shielded transfer system with Cancel transfer ability and Chainlink Automation integration for refunds.  - ERC721 NFT Platform – NFT minting contract and a React-based frontend.  - ERC20 Token + Faucet – Custom ERC20 token with faucet. Responsibilities included: - designing and implementing smart contracts - conducting gas optimization - applying security guidelines - performing unit and integration tests with Foundry, fuzz testing - maintaining an audit checklist - deploying to testnets - document code with detailed natspecs - creating UIs with React and Vite