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Rafael Cabanillas MurilloRC

Rafael Cabanillas Murillo

Full-Stack Developer

€150/day
Madrid, ES
3-7 years

Average response time: 1 hour

About Rafael

Full-stack product engineer with strong frontend expertise, focused on building modern web and mobile applications with clean UX and production-ready quality.

I’ve built and launched products used by 5000+ users, including True Resonance, a music player available as both a Chrome extension and mobile app, and MoneyBoard, a personal finance application.

I work mainly with React, React Native, TypeScript, and Node.js, and I’m comfortable integrating into existing teams, codebases, and delivery processes.

My strongest area is frontend and mobile development, but I’m also comfortable working across the stack, including backend logic, databases, and AI / LLM integrations when relevant to the product.

I’m particularly effective in environments where teams need someone who can ramp up quickly, work independently, and deliver polished features with a strong eye for usability.

Currently open to freelance and contract opportunities.

Portfolio: rafacmur.com
Email:
  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • UST
    L3 Support Engineer
    DIGITAL AND IT
    May 2025 - Today (1 year and 1 month)
    Madrid, Spain
    • Resolved 100% of incidents on time (never missed a deadline) via ServiceNow.
    • Managed high-priority incidents affecting a company of 35,000+ employees.
    • Resolved 98% of tasks in Azure within the time limit with corresponding testing.
    React.js CSS3 Typescript Azure DevOps PostgreSQL
  • SELTORE LLC
    Freelancer (Software Engineer)
    October 2023 - Today (2 years and 8 months)
    • Next.js: Designed, developed, and deployed gionks.com, a website with a built-in dynamic content manager.
    • React Native + Firebase: Built a caregiver mobile app with a web admin panel ensuring multifactor authentication.
    • Delivered multiple client websites, through my web agency auruxdesign.com.
    • Architected and coded using LLM/AI agents (Windsurf, Codeium) to boost developer productivity by 100x.
    React Native React.js HTML5 CSS3 Typescript
  • Mobbeel
    Front-End Developer
    August 2023 - August 2024 (1 year)
    Madrid, Spain
    • • Developed a portal, using Angular, cutting down manual configuration time by 70%.
    • • Implemented a responsive and WCAG-compliant QR screen in a mobile web app.
    • • Built and maintained a backoffice/SaaS platform (UI design, APIs, frontend) within a monorepo architecture.
    Angular React.js Typescript HTML5 CSS3

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Education

  • Bachelor of Software Engineering
    UEx
    2023
    Bachelor of Software Engineering
  • Data Engineering Exchange Program
    Høgskulenpa Vestlandet
    2022
    Data Engineering Exchange Program

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