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Pau Bartrina

Senior Frontend Engineer

Senior Frontend Engineer and Tech Lead with over 15 years of experience, specializing in the Angular ecosystem (NgRx, Nx, TypeScript). Expert in codebase modernization and implementing testing cultures with Vitest and Playwright. A collaborative leader dedicated to connecting design, product, and engineering to deliver flawless user experiences.

Technical Skills

Core Stack

Angular (v2-18+) · TypeScript · NgRx · Nx (Monorepos)

Architecture

Modular Design · DDD · Hexagonal Arch. · Design Systems

Testing

Vitest · Jest · Playwright · Cypress · Pact

Mobile

NativeScript · React Native · Ionic

Performance & Tooling

CI/CD · Storybook · Webpack / Vite · Web Vitals

Leadership

Agile / Scrum · Mentoring · Cross-functional Teams

Experience

  1. Senior R&D Engineer·Ansys Iberia·Madrid
    2025 – 2026

    Frontend leadership for the launch of a new strategic product. Angular SME, improving performance metrics by 15%. Testing with Vitest and Playwright.

  2. Senior Front-end Architect & Developer·Byte Default·Barcelona
    2017 – 2025

    Scalable web architecture with Angular, Nx, and NgRx. Co-designed a high-performance dynamic forms system. Testing with Jest and Cypress.

  3. Fullstack Developer Analyst·GFT Group·Sant Cugat del Vallès
    2015 – 2017

    Prototyping and evaluation of frontend frameworks (Angular 2, NativeScript, React Native, Ionic 2) for enterprise applications. PoCs presented at FinTech conferences.

  4. Front-End Developer·Salemware / 12co·Barcelona
    2013 – 2015

    Development of secure and efficient frontends with JavaScript, HTML5, and CSS3, focusing on encryption-sensitive applications.

  5. Co-founder & Front-End Developer·Birium·Barcelona
    2008

    Co-founded a digital platform startup. Frontend development and collaboration on UI/UX design and strategic planning.

Education

  1. Multimedia Engineering·Universitat Ramon Llull
    2008
  2. Computer Science Engineering·Universitat Politècnica de Catalunya
    2005
  3. Scientific-Technical Baccalaureate·Escola Pia de Sarrià-Calassanç
    2003 – 2005

Languages

  • Catalan & Spanish·Native
  • English·C2 (FCE)
  • French·B1
  • Standard Arabic·A1