Iván Subsierra

Senior Frontend Architect & Full-Stack Developer

Resume

Personal Information

Name: Iván Subsierra
Role: Senior Frontend Architect & Full-Stack Developer
Location: Spain

Professional Summary

Product-minded Frontend Architect & Full-Stack Developer with over 10 years of experience designing scalable systems, building SaaS platforms, and leading cross-functional teams. I specialize in modular architectures, DX optimization, and user-centered product design.

Professional Experience

Position: Senior Frontend Architect & Technical Lead - Hiberus
Period: Jan 2023 – Present

Led the architecture and delivery of a multichannel sales platform for a top insurance company, enabling real-time modular experiences and accelerating feature delivery across agents, clients and brokers.

Impact: Accelerated feature delivery across multiple channels
Technologies: React 18+, React Native, TypeScript, Azure B2C, Module Federation, Tailwind, TanStack Router, Vite, Docker
Position: Team Lead / Full-Stack Developer - Bud's Bath / Corgi
Period: Jan 2022 – Jan 2023

Helped digitize a traditional pet services business by designing and delivering a SaaS used by hundreds of grooming shops to manage appointments, clients, staff and communications.

Impact: Digitized traditional business serving hundreds of grooming shops
Technologies: Node.js, NestJS, PostgreSQL, React, Next.js, Tailwind, Docker, Vercel
Position: Project Development Manager / Full-Stack Developer - Proto&GO!
Period: May 2018 – Dec 2021

Supported the digital growth of a 3D prototyping company by building internal tools for logistics, quality control, CRM, and real-time reporting.

Impact: Scaled operations through automation and improved UX
Technologies: PHP, Python, MySQL, React, Jenkins
Position: Full-Stack Developer / Web & Graphic Designer - Digital Mantenimientos
Period: Jan 2010 – Apr 2018

Transitioned from graphic design into full-stack development, leading the creation of a real-time task management system and mobile app for field technicians.

Impact: Transformed service operations through digitization
Technologies: PHP, Node.js, MongoDB, MySQL, React, Ant Design, Cordova, Android

Technical Skills

Programming Languages: Javascript, Typescript, Python, PHP, HTML, CSS
Frontend Development: React, Next.js, Angular, Astro, React Native, Expo, Expo EAS, Tailwind, Ant Design
Backend Development: Node.js, NestJS, Laravel
CI/CD & Others: Docker, Vite, Jenkins, Git, Vercel, Netlify, AWS, Digital Ocean
Databases: PostgreSQL, MySQL, MongoDB, SQL
UX/UI & Design Tools: Figma, Illustrator, Photoshop
Languages: Spanish (native), English (professional)