Hello ✋

I am a passionate and experienced full-stack developer, capable of transforming your specifications or Figma mockups into robust applications, either independently or as part of your team. Here's an overview of my skills and preferred technologies:

Front-end:

• Expert in Next.js 14, React, Tailwind, JavaScript
• Proficient with headless CMS (Sanity, Prismic, Contentful)
• State management (Redux, Zustand)
• Strong knowledge of Three.js and Framer for 2D and 3D animations

Back-end:

• Node.js, Express, Nest.js
• Databases (MySQL, Mongo, Postgre)
• Firebase, Appwrite, Supabase, AWS, Vercel, Stripe

As a crypto-native, I have naturally specialized in web3 and blockchain. Here are some examples of projects I can undertake:

• Creation, auditing, and deployment of Solidity smart contracts on EVM blockchains (Ethereum, layer 2)
• Development of complete dApps such as Uniswap, NFT marketplaces, DeFi protocols
• Trading bots using flashbots
• Decentralized social networks
• Telegram mini apps on the TON blockchain
• Real-world asset tokenization (RWA)

🌐 Explore my portfolio at https://cosialls.fr.

# Who am I?

I am a Computer and Network Engineer with 10 years of experience in web development and entrepreneurship. I founded and managed an Airbnb property management SaaS for 5 years (15 employees) called Runbnb, where I evolved from a full-stack developer to CTO. As a freelancer, I have worked with several international clients.