6 years of experience as frontend developer

Alex Declercq Serra

6 years of experience as frontend developer

Available to hire

6 years of experience as frontend developer

Language

Spanish; Castilian
Fluent
English
Fluent
German
Advanced

Work Experience

Senior Frontend Engineer at OPENBANK
January 1, 2025 - Present
Built and optimized mortgage flows using React, Next.js and TypeScript improving conversion and completion rates. Designed scalable architecture with reusable components, Redux Toolkit and CI/CD pipelines. Integrated backend services using Node.js APIs ensuring performance and reliability.
Frontend Engineer at MERCEDES-BENZ
January 1, 2024 - January 1, 2025
Delivered global e-commerce platform using React, Next.js, TypeScript and Angular supporting multi-market scalability. Increased sales by 25% through UX optimization, A/B testing and performance improvements. Implemented CI/CD pipelines, testing strategies and scalable architecture patterns.
Frontend Engineer at AXA
January 1, 2022 - January 1, 2024
Developed insurance platforms using React, Next.js and TypeScript improving customer journeys. Achieved 15% performance improvement through optimization and efficient state management. Integrated frontend with backend services via Node.js APIs.
Frontend Engineer at MOTOGP
January 1, 2021 - January 1, 2022
Built ticketing and engagement systems using React and Vue across multi-country platforms. Improved efficiency by 30% and engagement by 25% through optimized user flows. Designed scalable architectures for high-traffic environments.
Frontend Engineer at INDRA
January 1, 2020 - January 1, 2021
Developed large-scale government systems using React, Angular and REST APIs ensuring reliability. Integrated 10+ APIs and contributed to scalable frontend architecture. Delivered robust solutions for high-availability systems.

Education

Add your educational history here.

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Government, Financial Services, Media & Entertainment, Other