Frontend Developer specializing in React, Next.js, and TypeScript with full stack foundation that enables seamless backend collaboration. Currently running Nixi Web Lab, delivering performance-optimized web applications with Lighthouse scores of 99/100. Former ResMed developer where I increased test coverage from 2% to 35% on healthcare platforms serving 20,000+ weekly users.

🌍 Based in Granada, Spain
🚀 Founder at Nixi Web Lab
🎓 Mechanical Engineering → Frontend Development
🔧 Passionate about performance, testing, and building robust applications

Nixi Web Lab | Granada, Spain | Oct 2025 - Present

• Architecting production-grade Next.js applications with Lighthouse scores 99/100
• Delivering bilingual (EN/ES) web apps with SEO optimization and <1s load times
• Full end-to-end solutions: UX/UI design, responsive development, accessibility compliance

Technologies: Next.js, TypeScript, Tailwind CSS, next-intl, Vercel

ResMed | Dublin, Ireland | May 2025 - Oct 2025

• Increased test coverage from 2% to 35% by authoring 1,000+ unit tests with Jest
• Introduced Playwright E2E testing infrastructure for comprehensive QA
• Led 3 production releases independently, coordinating across 4 time zones
• Integrated i18n supporting 8 languages using Lokalise
• Served as rotating Scrum Master and managed PagerDuty on-call rotation

Technologies: React, TypeScript, Jest, Playwright, GitHub Actions, Lokalise

4Geeks Academy España | Remote | Nov 2024 - Present

• Mentored 50+ students achieving 90% completion rate
• Technical lectures on React hooks, state management, database design, and API development

Technologies: React, JavaScript, Python, Flask, SQLAlchemy, PostgreSQL

Yumly | Remote, Denmark | Nov 2024 - Feb 2025

• Increased user engagement by 35% through optimized data processing
• Built responsive UI with Phoenix LiveView and TailwindCSS

Technologies: Elixir, Phoenix, PostgreSQL, LiveView, TailwindCSS

AI-powered workforce scheduling platform for hospitality industry.

• Stack: React, TypeScript, Python, SQLAlchemy
• Features: Custom AI algorithms (no external API dependencies), validated with 10+ restaurant managers
• Role: Founder & Lead Developer (Team of 4)

🏆 Best Project Award - 4Geeks Academy

• Stack: React, TypeScript, Python, Flask, PostgreSQL, Stripe API, Cloudinary API
• Features: Recommendation algorithms, secure payments, inventory management
• Role: Team Lead & Primary Code Contributor

Pet care service platform (No Country international program)

• Stack: React, JavaScript, HTML5, CSS3
• Features: Responsive UI, reusable components, seamless backend integration
• Role: Frontend Developer

• Building high-performance Next.js applications with perfect Lighthouse scores
• Growing Nixi Web Lab as independent consultancy
• Deepening expertise in testing strategies (Jest + Playwright)
• Seeking remote opportunities with international organizations
• Leveraging AI-assisted development and prompt engineering

• Performance Optimization: Lighthouse 99/100, <1s load times
• Testing Excellence: Increased coverage 2% → 35%, 1,000+ unit tests
• Internationalization: 8+ languages, next-intl, Lokalise
• Full Stack: React/Next.js frontend + Python/Flask backend
• DevOps: CI/CD pipelines, Vercel deployment, Docker

• Leading development teams (4+ developers)
• Cross-timezone collaboration (Spain ↔ San Diego, Sydney, Bangalore)
• Technical mentoring (50+ students, 90% completion rate)
• Startup founding & independent consultancy
• Problem-solving with engineering precision

• 🇪🇸 Spanish (Native)
• 🇬🇧 English (Fluent)
• 🇵🇹 Portuguese (Proficient)

Currently seeking remote frontend/full-stack roles with international organizations

Bridging engineering precision with creative coding to build elegant, efficient solutions