lukasonchain

○ Developed and maintained full-stack applications for PayWithFlash using modern frameworks, including React, Node.js, Flask, and PostgreSQL, enabling seamless payment solutions. ○ Built dynamic, user-friendly front-end interfaces with React and Tailwind CSS, enhancing user experience and increasing engagement. ○ Designed and implemented secure and scalable RESTful APIs to integrate Lightning Bitcoin payment functionality, ensuring reliable and efficient transactions. ○ Collaborated with cross-functional teams to design and develop the Flash Wallet for the Lightning Network, working closely with Flutter mobile app developers to ensure seamless integration. ○ Optimized database queries and system architecture, reducing page load times by 30% and improving overall application performance. ○ Streamlined the user onboarding process, simplifying access to the product and enhancing user adoption rates.

○ Developed and optimized decentralized applications (dApps) using React.js, Ethers.js, and Web3.js, building intuitive, user-friendly interfaces with React and CSS to enhance user engagement and accessibility. ○ Integrated wallet connection features (e.g., MetaMask, Trust Wallet) and implemented smart contract interactions, enabling seamless multi-chain functionality and secure cross-chain swaps. ○ Collaborated on smart contract integrations using Ethers.js for transactions, blockchain queries, and cross-chain asset bridging, incorporating zk-SNARK technologies for enhanced privacy and security. ○ Designed and maintained front-end architecture compatible with EVM blockchains (Ethereum, Binance Smart Chain, Polygon) and non-EVM chains, ensuring a consistent and efficient user experience. ○ Utilized Node.js for back-end API development to support decentralized exchange (DEX) functionality, including token swaps, liquidity pools, and atomic swaps, ensuring efficient data flow and platform reliability.

○ Designed, audited, and deployed smart contracts on Ethereum, Solana, and Tron, implementing standards like ERC-20, ERC-721, and ERC-1155 for token development, NFTs, and DeFi projects. ○ Built decentralized exchange (DEX) platforms with Solidity, utilizing tools such as Truffle, Hardhat, and Alchemy for development, testing, and deployment. ○ Developed NFT marketplaces with functionalities for minting, trading, and auctions, leveraging IPFS and blockchain integrations. ○ Engineered multi-chain wallet solutions with robust encryption, supporting assets across Ethereum, Solana, and Tron. ○ Delivered custom token solutions, including tokenomics design and deployment, ensuring seamless integration with EVM-compatible chains. ○ Worked extensively with tools like Metamask, Ganache, Infura, and Alchemy to support testing, integration, and deployment processes.

○ Started blockchain journey by developing backend services with Node.js and Django to support various front-end features and ensure seamless communication with blockchain protocols. ○ Ensured reliability of backend services by debugging issues using Postman, cURL, and Loggly, deploying updates with Docker, Kubernetes, and CI/CD pipelines, and integrating blockchain data with the system using Web3.js, Ethers.js, and GraphQL APIs. ○ Contributed to blockchain integration by developing API layers to interact with smart contracts and on-chain data, improving data accessibility for the application. ○ Integrated AI models into backend services to enable predictive analytics, automate decision-making processes, and enhance application intelligence, utilizing tools like TensorFlow, PyTorch, and OpenAI APIs.

○ Built and maintained the Room-Res.com platform, delivering a seamless travel booking experience through scalable frontend and backend solutions. ○ Developed responsive user interfaces using React, JavaScript, and HTML/CSS, enhancing usability and accessibility for B2B users. ○ Designed and optimized backend microservices with Golang (Gin framework) and PostgreSQL, ensuring high performance and data integrity. ○ Streamlined deployments with Docker, Kubernetes, and AWS, achieving efficient scaling and system reliability. ○ Automated CI/CD pipelines, accelerating development cycles and reducing deployment times.