Freelancer profile translated to English.

Description

Full-Stack Developer & CTO, I help companies and startups in the design, architecture, and development of modern, scalable, and conversion-oriented web applications.

With a dual technical (React.js, Node.js, TypeScript) and product (UI/UX, architecture) background, I transform your complex needs into fluid and performant interfaces, from MVP to scale.

🚀 WHAT I DO

Full-Stack Development & APIs: Creation of custom applications with React.js, TypeScript, Node.js, and PostgreSQL. Clean, secure, and scalable code.

Architecture & Complex Integrations: Setting up multi-user platforms, API synchronization, and financial flow management (e.g., Stripe Connect for marketplaces).

Product Engineering & UI/UX: Interactive prototyping (Figma), design systems, and user journeys designed to maximize engagement.

Automation & AI: Optimization of your processes, creation of automated workflows, and integration of intelligent components to boost your applications.

🎯 TARGET PROJECTS

Marketplaces & matchmaking platforms

E-commerce ecosystems & digital retail

SaaS applications & internal business tools

🤝 MY WAY OF WORKING

Total transparency: Real-time agile tracking (Git, Slack, Notion).

Linguistic versatility: Smooth collaboration in French, Spanish, or English.

Commitment: Architectural rigor and strict adherence to delivery deadlines.

💬 Have a project in mind or a technical challenge to scope?

Send me a message to discuss it! I respond within 2 hours to assess the technical feasibility of your project.

Industry field of expertise

Languages

Spanish
Native or bilingual
French
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

Altu Studio
Developer
November 2024 - Today (1 year and 9 months)
Development of several React Native / Expo applications; on the flagship geolocation transport marketplace, handling real-time driver/passenger state synchronization, PostGIS geospatial queries, Stripe payment failure management, and Expo / EAS deployments. Full responsibility for the applications: architecture, development, and publishing within a shared Turborepo monorepo.
React.js PostgreSQL Mobile application React Native Expo
ANTBAC Solutions
Full-Stack Developer / CTO
January 2025 - January 2026 (1 year)
Toulouse, France
Solely developed and deployed a comprehensive SME management platform (teams, rentals, inventory) with automated invoicing and custom payment links - React / Next.js and Supabase / PostgreSQL. Delivered AI-assisted features and automations via the Claude / Anthropic API and n8n: accounting automation, accelerated customer responses, eliminated repetitive tasks. Integrated payment flows in production via API: Stripe (Connect), GoCardless, myPOS - Top 5 national myPOS distributor.
PostgreSQL React.js React Native Stripe
Freelance
Management Software Developer
January 2020 - August 2024 (4 years and 7 months)
Santo Domingo, Dominican Republic
Designed, sold, and deployed management software - restaurant POS, inventory, retail POS, hotel booking - for over 150 businesses, restaurants, and hotels, solely managing scoping, development, deployment, and support.
Stripe Expo JavaScript TypeScript