Juan Manuel Carpio Bรกez

Full-Stack Engineer Madrid, Spain

I build products that scale. For the past decade, I've worked across healthcare, fintech, automotive, luxury retail, media, and B2B SaaS โ€” from New York startups to Milan creative agencies.

I specialize in React, React Native, TypeScript, and Node.js. 7+ years working remotely across global timezones, always delivering.

10+
Years of Experience
7+
Years Remote Across Timezones
35+
Projects Shipped
Experience

Madrid, Spain

2019 โ€” Present
RepeatMD Inc.
New York, USA (Remote)
AI-powered medcommerce platform for 4,000+ aesthetic and wellness practices. $3B+ in revenue. Series A funded. Built Stripe payment infrastructure (subscriptions, refunds, multi-location routing, Affirm financing), redesigned patient onboarding with personalization engine and AI-powered chat, QR authentication for practice check-ins, and referral/rewards system. Delivered 160+ features across patient app, admin panel, and backend.
Software Engineer 2023 โ€” Present
CIAO Nederland B.V.
Utrecht, Netherlands (Remote)
B2B workspace reservation platform for enterprise hybrid work management. Led complete app rewrite improving load time ~40% and reducing API response latency. Built shared component library with 60%+ code reuse between mobile and web. Built calendar integration (Outlook, Google) and real-time availability across all clients.
Software Engineer 2020 โ€” 2022
BulbThings Ltd.
London, UK (Remote)
All-in-one asset, fleet & inventory software with real-time monitoring and operational visibility. Led React Native mobile app development, the primary interface for field workers tracking assets in real-time. Contributed across 10+ sub-projects: web platform, alerts engine, notifications, and SDKs. Built white-label adaptations for enterprise clients.
Full-Stack Developer 2019
โ—† Graduated Politecnico di Milano โ€” Computer Engineering Oct 2023

Milan, Italy

2017 โ€” 2019
150UP S.r.l.
Milan, Italy
Creative agency shaping brand visions through arts and technology since 2013. Delivered 14+ projects in 16 months: mobile apps, websites, and interactive experiences for luxury and consumer brands. Built real-time event app for 1,000+ attendees with live Q&A and speaker interaction. Led RealTime TV website redesign improving navigation for viewers.
Software Engineer 2017 โ€” 2018
โ—† Started Politecnico di Milano โ€” Computer Engineering 2018

Turin, Italy

2013 โ€” 2017
RiparAutOnline S.r.l.
Turin, Italy
Italy's leading comparative platform for automotive repair quotes, with nationwide coverage across 50+ vehicle brands. Featured on RAI 1 national television, ANSA, and Wired Italia. Led complete frontend rebuild with Angular, improving UX and mobile responsiveness. Drove SEO improvements increasing organic search traffic ~35%.
Frontend Developer 2015 โ€” 2017
Expertise

Frontend

  • React
  • React Native
  • TypeScript
  • Angular
  • Vue
  • Next.js

Backend

  • Node.js
  • NestJS
  • .NET / C#
  • PostgreSQL
  • TypeORM
  • REST / GraphQL

Payments

  • Stripe
  • Subscriptions
  • Connect
  • Affirm

Infrastructure

  • AWS
  • Google Cloud
  • Docker
  • Kubernetes
  • CI/CD
  • Firebase

Venezuelan, based in Madrid. When I'm not coding, I'm out with friends finding somewhere new to eat, at a karaoke, or making noise on drums. Bikram yoga keeps me balanced. Always with my Choli ๐Ÿถ

Juan with Choli in Madrid Choli at the desk Juan on a rooftop Juan in the mountains

Let's talk.