My Professional Experience

Ledgity logo

Blockchain Developer

ledgity.finance/

Jun 2024 - Dec 2024

SKILLS USED

Solidity & Smart ContractsSmart ContractsEthereumL2Code Auditing
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KEY ACHIEVEMENTS

  • Developed robust, secure smart contracts using Solidity on Ethereum L1 and L2.
  • Conducted code reviews and audits to ensure high-quality, bug-free code before deployment.
  • Integrated decentralized applications (dApps) with smart contracts to enhance user experience.
  • Managed the deployment and maintenance of smart contracts on multiple blockchain networks.
  • Developed user-friendly interfaces for complex blockchain functions to improve accessibility.
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Alyra Blockchain School logo

Technical Jury

www.alyra.fr/

Jan 2023 - Present

SKILLS USED

Technical AssessmentBlockchain EducationSmart Contract ReviewMentoringEthereum
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KEY ACHIEVEMENTS

  • September 2023 - Finney Jury -POAP
  • April 2024 - Lovelace Jury -POAP
  • July 2024 - Turing Jury -POAP
  • April 2025 - Galilée Jury -POAP
  • January 2025 - Hamilton Jury -POAP
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Freelance logo

Freelance Smart Contract Developer

Freelance

Dec 2021 - Mar 2023

SKILLS USED

Solidity & Smart ContractsSmart ContractsNFTERC20ERC721
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KEY ACHIEVEMENTS

  • Created a staking contract for NFTs that successfully minted over 21 million ERC20 tokens and currently holding 1400+ NFTs in staking.
  • Developed and deployed decentralized applications on EVM Blockchains using Solidity, React.js, Next.js.
  • Collaborated with clients to define project requirements and deliver scalable solutions.
  • Integrated oracles for real-time data feeds into smart contracts.
  • Created and managed ERC-20 and ERC-721 token standards for various projects.
  • Conducted thorough testing using frameworks like Foundry and Hardhat.
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TASC Studio logo

CEO

TASC Studio

Jan 2021 - Jan 2022

SKILLS USED

Supportive LeadershipSolidity & Smart ContractsSmart ContractsP2EGame Development
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KEY ACHIEVEMENTS

  • Founded a company to build a P2E game and led a team of developers using Agile methodologies (SCRUM).
  • Developed and implemented strategic vision to drive company growth and profitability.
  • Managed crisis communications effectively to maintain brand integrity.
  • Developed smart contracts for in-game assets using Solidity.
  • Implemented an Ethereum-based token economy to enhance player engagement.
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Future Institution logo

Smart Contract Developer

www.linkedin.com/company/...

Feb 2019 - May 2019

SKILLS USED

Solidity & Smart ContractsSmart ContractsEthereumERC20ERC721
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KEY ACHIEVEMENTS

  • Led the development of smart contracts for a Blockchain game.
  • Led the design and implementation of robust smart contracts on Ethereum.
  • Implemented token standards, including ERC20 and ERC721, to facilitate token creation and management.
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Bitcoin Vietnam logo

Intern Web3 Developer

bitcoinvn.io/

Jul 2018 - Nov 2018

SKILLS USED

Solidity & Smart ContractsWeb3 & BlockchainERC20dAppsEthereum
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KEY ACHIEVEMENTS

  • Researched ERC20 tokens, and created an ERC20 token for the company.
  • Collaborated with a team to develop decentralized applications (dApps) using Ethereum blockchain.
  • Assisted in smart contract development using Solidity to automate processes and enhance security.
  • Maintained the front-end of the website
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Chiliz logo

Hackathon Participant

www.chiliz.com/hacking-pa...

Jul 2023 - Jul 2023

SKILLS USED

Solidity & Smart ContractsSmart ContractsChiliz BlockchainFull-Stack Development
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KEY ACHIEVEMENTS

  • Developed full-stack dApp with React TypeScript frontend
  • Implemented smart contracts for talent verification and rewards
  • Created backend API with Handlebars templating
  • Delivered working prototype within hackathon timeframe
  • Team name: RedCodeChilizPeppers
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ETH Global logo

Hackathon Participant

ethglobal.com/events/etho...

Jul 2023 - Jul 2023

SKILLS USED

Solidity & Smart ContractsNext.jsReact & Next.jsThirdwebHardhat & Foundry
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KEY ACHIEVEMENTS

  • Developed on-chain identity management platform using Soul Bound Tokens (SBT)
  • Implemented Token Bound Accounts (TBA) with ERC6551 standard
  • Integrated Account Abstraction using ERC4337
  • Deployed across multiple testnets: Scroll Sepolia, Mantle, Mumbai Polygon
  • Created live demo at aatba.org
  • Collaborated with international team of 5 developers
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ETHCon Korea logo

Hackathon Participant

devfolio.co/projects/care...

Sep 2023 - Sep 2023

SKILLS USED

Solidity & Smart ContractsNFTSmart ContractsPrivacy Solutions
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KEY ACHIEVEMENTS

  • Created career NFT system for verified work history and certifications
  • Implemented privacy-preserving profile sharing with approval mechanism
  • Built anonymous professional networking features for Asian job market needs
  • Tackled gasless transaction implementation with ecrecover signature verification
  • Enabled third-party career validation from mentors, hackathons, and instructors
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