Alex Declercq Serra
6 years of experience as frontend developer
About
6 years of experience as frontend developer
- 6 years' experience
- Joined May 2026
Skills· 11
Languages
- Spanish; CastilianFluent
- EnglishFluent
- GermanAdvanced
Industry experience
- Software & Internet
- Professional Services
- Government
- Financial Services
- Media & Entertainment
- Other
Work experience· 5 roles
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.
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.
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.
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