Portfolio
Una mirada més propera a projectes que he liderat o en els quals he contribuït de manera significativa — els reptes, decisions i resultats darrere del codi.
2023 — 2025
Full-Stack Engineer · Aug 2023 – Feb 2025
B2B SaaS loyalty & ecommerce engine for 4,000+ US medspa clinics. I owned the promotions, rewards, discount, and membership lifecycle code.
Order-of-magnitude perf win · Resilient memberships · BDD-first testing
Veure cas
2022 — 2023
Senior Software Engineer (Contractor) · Feb 2022 – Jul 2023
Built the web app of a Spanish energy-flexibility SaaS from absolute scratch — only the backend API existed at the start. Stayed through eighteen months of feature work covering aggregator, energy-community and end-customer surfaces.
Domain-first architecture · Reusable chart engine · Single-flight requests
Veure cas