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Saquero/README.md

👋 Manu Martínez Saquero

Software Developer · Backend & API Development

Building backend solutions for real-world problems Luffy hat

📍 Spain (for now) · 🌍 Remote-first mindset · ❄️ Norra Sverige- Snart


About me

I design and build clean, maintainable backend systems, APIs and internal tools.
I work full-stack when needed, but my focus is always backend, data and architecture.

What drives me

🎯 Real usage – I build tools that people actually use
🔨 Real problems – No demos, no toy projects
📝 Production-ready code – If it's not documented, it doesn't exist
🔄 Iterate fast – Ship, learn, improve

Code first, polish later. Functionality over perfection.


Tech Stack

Backend

Node.js, Express
Prisma ORM
PostgreSQL
REST APIs
JWT Authentication
Swagger / OpenAPI

Frontend

React
TypeScript
Vite
Tailwind CSS

Desktop & Automation

Electron
Internal tools
Process automation

Background

Java (OOP fundamentals – DAM)
SQL
Git
Systems & Networks (SMR)


Projects

🟢 Dónde Comemos Hoy

Backend API and dashboard for a family-focused restaurant discovery platform.

A production-ready REST API that helps parents find family-friendly restaurants. Features advanced filtering (playground nearby, high chairs, kids menu), full JWT authentication, and comprehensive Swagger documentation. Built with scalability and reusability in mind—ready to be integrated into any frontend application.

👉 View Project

🟢 Retail Cash Manager

Desktop application for daily cash closing in retail environments.

A cross-platform desktop app designed for retail workers to streamline end-of-day cash reconciliation. Calculates discrepancies, generates closing reports, and maintains historical records. Built from real-world retail experience—solving actual pain points, not hypothetical problems.

👉 View Project


Core Strengths

⚔️ Problem solver – I translate business needs into solid technical architectures
🎯 API design expert – RESTful endpoints that are intuitive, documented and scalable
🧩 Clean code advocate – I write maintainable code that teams can work with long-term
🚀 Delivery focused – I ship production-ready solutions, not prototypes
📊 Data-driven – Strong database design and query optimization skills


Current Journey

🔨 Building backend-first products that solve real market needs
📐 Mastering system design patterns and scalable architectures
📖 Creating professional-grade documentation for every project
💼 Crafting a portfolio of production-ready code for top companies
🎓 Deep-diving into PostgreSQL performance and distributed systems
🌱 Exploring Docker, CI/CD pipelines and modern DevOps practices


📊 GitHub Stats

GitHub Profile Summary

Top Languages Most Used Languages


Let's Build Together!

Open to backend development opportunities and technical collaborations

Popular repositories Loading

  1. dndcomhoy dndcomhoy Public

    API backend con Node.js, Express y Prisma para encontrar restaurantes familiares. Incluye filtros como parque cercano, trona o menú infantil. JWT, Swagger y lista de arquitectura para integrarse en…

    JavaScript

  2. retail-cash-manager-cierres retail-cash-manager-cierres Public

    Aplicación de escritorio en Electron + React para el cierre de caja diario.

    TypeScript

  3. Saquero Saquero Public

    Software Developer | Backend & API Development | Node.js · Prisma · PostgreSQL · React