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Miguel Ángel R.

Miguel Ángel R.

Web Frontend Developer React | Fullstack

€200/day
Madrid, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Miguel Ángel

My goal is to help my clients establish an online presence so they can effectively reach their audience and convert new customers.

As a programmer, I specialize in implementing infrastructures and web development, such as landing pages or all kinds of process automation.

I pay great attention to detail to ensure that products are optimized for performance and usability on a multitude of devices used by today's consumers.
  • Spanish

    Native or bilingual

  • English

    Fluent

Can work on-site
Madrid (up to 50km)

Experience

  • Maarlab
    Senior Frontend Developer
    TECH
    November 2023 - Today (2 years and 8 months)
    Santa Cruz de Tenerife, Spain
    - Led initiatives to significantly improve Frontend development efficiency and quality.
    - Drastically reduced build times by implementing testing processes, resource minification, and bundle size optimization, which was reduced by almost four times.

    Additionally, I generated valuable technical documentation for the modernization and refactoring of the main project, facilitating team understanding and collaboration. By automating deployments and infrastructure in subsequent projects, I optimized the development experience for my colleagues, streamlined processes, and reduced errors, contributing to the team's overall success.
    JavaScript React.js Next.js Python performance-optimization
  • Impacting.Digital
    Junior Programmer
    November 2021 - June 2022 (7 months)
    Santa Cruz de Tenerife, Spain
    I am in charge of some of the frontend designs for the BMW website, microservices, and automations. I have configured CI/CD for each company's project, with a containerized production environment and remote deployments.
    Wordpress React.js JavaScript PHP Next.js
  • Profesional independiente
    Full Stack Developer
    January 2019 - Today (7 years and 7 months)
    ● Deliver fast and functional MVPs tailored to client needs across various sectors, including emerging Web3 startups.
    ● Develop and implement complete dApps with modern and accessible UIs using React and Next.js.
    ● Implement frontend interactions with smart contracts on Ethereum Mainnet and major Layer 2 solutions.
    ● Used Ethers.js, Web3.js, Viem, and Wagmi to handle smart contract reads/writes, event subscriptions, and network management.
    ● Write Solidity smart contracts and thoroughly tested them using Hardhat and Mocha.
    ● Ensure high performance scores and near-perfect ratings through optimized asset loading, accessibility best practices, and minimal JavaScript.
    web3js JavaScript Solidity Next.js React.js

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Education

  • Higher Degree, Cross-platform Application Development
    STUCOM Centre d'Estudis
    2020
    Grado superior, Desarrollo de aplicaciones multiplataforma

Skill set

Categories