Daniel Martins +5531993140951 martinsda@gmail.com : martins87 CINESERCLA Full stack developer Led the development of the company's new website and enhancing the movie ticket purchasing experience by improving page speed and implementing a modern and responsive UI with Next.js, React, TypeScript, Tailwind CSS, Zustand and shadcn. LIBERTYPAY Front-end developer Led the development of the company's new website, modernizing its outdated design and improving the user experience for international money transfers by implementing a simple, modern, and responsive UI with Next.js, React, TypeScript, Tailwind CSS, Zustand and shadcn. Aug 2024 - Jun 2025 Fev 2024 - Jul 2024 COMMONWEALTH LABS Front-end developer Contributed to the development of the company's crowdfunding and governance platform using Next.js, React, TypeScript, and CSS and showcasing React components with Storybook. Jan 2023 - Nov 2023 ADVANCED BLOCKCHAIN Front-end developer Development of the platform pages of DeFi apps such as Composable, InstrumentalFinance, Picasso, Mosaic with Next.js, React, MaterialUI and TypeScript. Fev 2021 - Oct 2022 linkedin.com/in/daniel-aa-martins CIASC Full stack developer Development of software solutions for the Public Security Department of the State of Santa Catarina, Brazil, including the Police Forces main system with concurrent 17,000 users. Developed and contributed to the National Identification System, which unified identification numbers across states in Brazil, reducing the risk of fraud. It allows citizens to use a single ID number (CPF) and access a digital version of their ID through a mobile app. Sep 2019 - Jan 2022 ELAD Full stack / Blockchain developer Individually developed and maintained a demo platform that facilitated the listing of real estate properties and enabled users to buy and sell fractional ownership tokens on the Blockchain. Developed using Ethereum stack (Solidity, Smart Contracts, ethersjs, Truffle, MetaMask, Remix), MongoDB, Express.js, and Node.js Jan 2019 - Nov 2019 GOBLOCKCHAIN Blockchain instructor Taught courses on Blockchain development related to Ethereum stack (Solidity, Smart Contracts, Remix, Web3.js, Geth, MetaMask, Truffle, etc.) Jun 2017 - Aug 2019 FEDERAL UNIVERSITY OF MINAS GERAIS Java developer Collaborated with a team to develop and maintain the academic graduation system for university teachers and students, improving efficiency and user accessibility using JEE Platform, EJB3, JSE, Hibernate and Jasper Reports Aug 2011 - Jun 2014 WORK EXPERIENCE PPQ.AI Full stack developer Developing the company’s AI-driven platform with Next.js, React, TypeScript, and Node.js. Building and integrating APIs, improving performance, and ensuring scalability and usability across the product. Jul 2025 - present Daniel Martins FEDERAL UNIVERSITY OF MINAS GERAIS BS in Computer Science | 2011 EDUCATION SKILLS Frontend: React, Next.js, Angular, JavaScript, TypeScript, TailwindCSS Backend: Node.js, Java Spring Boot Script: JavaScript, TypeScript Blockchain: Solidity, ethers, web3.js, Wagmi, viem, RainbowKit, Bitcoin libraries APIs: REST, GraphQL Databases: MySQL, PostgreSQL, MongoDB Next.js: The complete guide Udemy | 2024 CERTIFICATIONS Understanding TypeScript Udemy | 2022 React: The Complete Guide Udemy | 2021 Angular: The Complete Guide Udemy | 2020 Blockchain Hyperledger Developer Udemy | 2021 Ethereum Hyperledger Developer Udemy | 2018 PERSONAL PROJECTS OPERATION BLOCKCHAIN Platform with on-chain notarization system, proof of funds verification using Bitcoin signatures, multi-signature functionality, and more https://www.operationblockchain.app/ BITCOIN FREE MARKET Currently developing a marketplace where users can list goods and services, ask a price in bitcoin and negotiate freely among other users https://bitcoin-free-market.vercel.app/