Software Engineer building
scalable digital products.

React • Next.js • TypeScript

Based in PragueWorking with companies worldwide

Expertise

SaaS Platforms

Architecting scalable, multi-tenant systems with a focus on long-term maintainability and global growth.

Web Performance

Engineering high-speed interfaces optimized for Core Web Vitals, SEO, and business conversion.

Technical Direction

Bridging the gap between business goals and robust code through strategic product architecture.

Engineering products that scale.

I'm Fran Aragón, a Software Engineer and Frontend Lead specialized in building high-performance digital products.

I design and build scalable SaaS platforms, web applications, and native mobile systems that solve real business problems. My work focuses on clean architecture, performance, and long-term maintainability.

Currently, I lead frontend architecture at Solutia, delivering complex platforms for international clients. Previously, I built tools at adidas’ Innovation team used in global workflows.

I am also the founder behind HomeStocker, a native iOS ecosystem for smart inventory management.

Based in Prague. Working with companies worldwide.

View Resume

Production Systems

HomeStocker SaaS

SwiftNative iOSCloud Architecture

Founder & Engineer. Native iOS application designed to reduce food waste through smart inventory tracking and cloud infrastructure.

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CD Estepona Platform

Next.jsPrismaPostgreSQL

Full-stack architecture built with Next.js and Prisma. Designed for high-performance content delivery and technical SEO (Lighthouse 90+).

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Infrastructure & UI Systems

SportsTeam Architecture

Restaurant Template

Business Core Engine

SportsTeam Architecture

Restaurant Template

Business Core Engine

SportsTeam Architecture

Restaurant Template

Business Core Engine

Experience

Frontend Lead & Software Engineer

Solutia s.r.o. • Nov 2025 - Present

Leading frontend architecture and technical direction for international B2B and B2C platforms.
Designing scalable component systems and ensuring seamless integration with cloud services.
Driving performance optimization, accessibility standards, and maintainable architecture.

Software Developer

adidas • July 2022 - September 2025

Software engineer within adidas Innovation, contributing to digital platforms supporting global product creation.
Co-developed the COCU tool, focusing on scalable frontend architecture and business synchronization.
Built internal applications with React and TypeScript prioritizing maintainability and performance.
Collaborated with cross-functional teams to ensure product success.

Fullstack Engineering Instructor

CEI Escuela de Diseño y Marketing • January 2022 - July 2022

Taught Web Design (HTML5, CSS3, JavaScript) and Fullstack Development (PHP, MySQL).
Mentored students through projects focused on production-level engineering practices.