CBClaudia Barcelo
@claudiabarcelo
Enthusiastic blockchain developer with 6 years of coding experience.
SpainWhat I'm looking for
I am a dedicated Blockchain Developer with over 6 years of experience in delivering high-quality, maintainable code. My expertise lies in Smart Contracts development for EVM-compatible networks, utilizing frameworks such as Truffle and Hardhat. I have successfully deployed protocols across multiple chains, ensuring stability and efficiency while streamlining deployment processes.
Throughout my career, I have contributed to various projects, including the development of the OSX Protocol and the implementation of CBDC on private blockchains. My focus on security and upgradeability in Smart Contracts has allowed me to enhance the functionality and reliability of decentralized applications. I am passionate about boosting the decentralization industry and continuously seek to improve my skills and knowledge in this rapidly evolving field.
Experience
Work history, roles, and key accomplishments
Smart Contract Engineer
Stargate
Jan 2025 - Present (5 months)
Successfully deployed Stargate protocol across multiple chains, ensuring stability and efficiency while streamlining and automating deployment steps. Developed, implemented, and deployed OFTs using the LayerZero stack, enabling seamless cross-chain interoperability. Led the deployment of USDT0 to the Superchain and thoroughly tested/audited deployments for correctness and security.
Smart Contract Developer
Aragon
Feb 2024 - Jan 2025 (11 months)
Contributed to the development of OSX Protocol new versions using Solidity with Foundry and HardHat, implementing upgradeable contracts following best practices. Maintained, optimized, and refined protocol core components and plugins, applying insights from key standards like ERC-150, ERC-1271, ERC-2771, ERC-165, and EIP-2929. Developed npm packages using Js and Ts to simplify interactions and dep
Blockchain Developer
Adhara
Jun 2022 - Feb 2024 (1 year 8 months)
Developed Smart Contracts for connecting banks and implementing CBDC on private blockchains, designing interfaces and libraries to extend Solidity datatypes. Increased security by managing roles/permissions and making contracts upgradeable using proxies (EIP1967). Used Golang to communicate with Smart Contracts and Geth to create private blockchains, automating testing and proposing Hardhat over T
Blockchain Intern
Tecnomatica
Sep 2020 - Dec 2022 (2 years 3 months)
Researched and learned about Blockchain Technology, the Bitcoin and Ethereum environment, and their application in real problems. Analyzed Ethereum Blockchain architecture, data structures, and different Consensus rules. Learned about the Ethereum Network, Defi, and tokens, and designed/built an NFT marketplace.
Solidity Developer
Privi
Jan 2022 - Jun 2022 (5 months)
Developed Smart Contracts for decentralized apps using Solidity with HardHat and JavaScript, utilizing Openzeppelin tokens and Governor contracts, adjusting them to solve specific problems. Designed and implemented solutions tested on Test Nets, enhancing existing solutions to be upgradeable using proxies and Openzeppelin Upgradeable contracts. Included Chainlink Oracles/Price Feeds and automated
Education
Degrees, certifications, and relevant coursework
UHUniversity of Havana
Bachelor of Science, Computer Science
2014 - 2019
Completed a Bachelor of Science degree focusing on Computer Science. Studied core concepts including programming languages, data structures, and algorithms.
Tech stack
Software and tools used professionally
Availability
Location
SpainAuthorized to work in
Job categories
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