a software engineer and a true enthusiast of DeFi & DLTs.

• built and shipped cross-protocol migration feature using Morpho Bundler v3, enabling users to import positions from Aave v2/v3 and Compound v2/v3 into Morpho
• developed refinancing functionality allowing users to seamlessly move borrow positions between Morpho markets to optimize rates and collateral usage
• implemented referral SDKs, full simulation support, and a hybrid SSR/onchain data-fetching layer to ensure accurate, real-time user interfaces across the app

typescript react next.js graphql wagmi viem blue-sdk blue-sdk-viem blue-sdk-wagmi simulation-sdk bundler-sdk-viem ssr fuul sdk emotion reown

• led the development of user-facing applications interacting with smart contracts, reducing bundle size by over 40% and improving CLS by 25%, enhancing visual stability and user experience
• maintained, optimized and added new protocol related features using wagmi and viem on the liquid vault interface and liquid restaking application, successfully supporting traffic spikes exceeding 1000% during the token generation event (TGE) and handling 50,000+ monthly visits
• developed fydeX, a bullrun trading simulation game, resulting in 300+ blockchain smart accounts created through a seamless web3 authentication system and cumulating 5,000+ games launched

typescript react next.js graphql postgresql aws wagmi viem privy rainbowkit telegram api evm networks authentication workflows

• led full-stack development from concept to deployment as part of a team, implementing a customer onboarding flow that increased account creation rates and improved user experience
• collaborated on engineering postgresql migration processes to enhance frontend functionality, boosting crm team productivity by 70%
• contributed to graphql components, a custom strapi plugin, and a nestjs api for efficient data handling
• developed and optimized features for consumer and enterprise applications using next.js, ensuring scalability and high user engagement within a collaborative team environment

typescript react next.js nest.js strapi postgresql graphql aws database migration responsive design enterprise application development

• built a suite of open-source development tools and documentation for the ultra blockchain, including ultra-utilities javascript client, react ui kit, and react sdk
• developed an nft marketplace utilizing these tools, ensuring a consistent and user-friendly experience
• reached 200 weekly downloads on npm, driving engagement and adoption in the developer community

typescript react lerna ultra wallet c++ eosjs npm packages blockchain development marketplace development

• led tokenomics engineering and financial planning for project viability and sustainability, aligning economic incentives with user engagement
• developed core dapp frontend features for the decentralized exchange (dex) using moralis v1, react and ethers.js.
• played a key role in partner outreach and investor relations during the pre-seed phase, contributing to a successful $70k raise

tokenomics financial planning investor relations dapp development react mongodb express typescript moralis wagmi

• developed a freelancer invoice management application using nodejs and express, simplifying invoicing and payment tracking to enhance productivity
• built a SaaS platform with improved SEO at blockswan.app, boosting traffic by 60%, achieving 50+ monthly users, and generating $84 MRR
• designed, tested with hardhat and foundry, and deployed smart contracts for a digital services marketplace, securing a top 3 placement out of 3,388 projects in the polygon BUIDL IT hackathon with a $5k USDC cash prize and $5k USDC grant

nodejs express ipfs solidity hardhat foundry react ui/ux design marketing platform architecture smart contract implementation

• updated and deployed smart contracts on polygon, ensuring secure and efficient interactions for the mvp with etherjs
• developed the dapp interface and backend system with moralis v1, creating a cohesive user experience and enabling seamless blockchain interactions
• delivered a fully functional mvp, integrating react frontend and mongodb backend components to accelerate product testing and feedback

smart contract development dapp development dao infrastructure react mongodb express typescript moralis wagmi

SELECT date, activity FROM oscar
WHERE date<'2022-01-11' ORDER BY date DESC

• 2022 passed entry exam for school 42
• 2021 software tester at cajoo
• 2021 content operator Spain at mano-mano
• 2021 one year in economics & management at ESCP
• 2020 platform officer at wartner
• 2017, 2019 two years in business & organisational sciences at dauphine-uc3m

me, a decentralized dreamer | a love for building cool stuff

i craft bugs with equal mastery across the frontend and the blockchain/backend, delivering a complete experience to end users. currently between paris and lisbon. originally from a world where football and video games reign supreme.

• [in] boss me on linkedin
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• [be] admire my high school arts on behance

"Great things are not done by impulse, but by a series of small things brought together." — Vincent Van Gogh

last updated on sat aug 23 2025