Hi!
I'm Samuel Ruiz.

Computer Engineer and Business Administration graduate from the Polytechnic University of Valencia. Passionate about technology, science and music.

Samuel Ruiz
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Experience

  1. June 2025 — Present

    Software Engineer

    Atlas Tecnológico Plataforma, S.L.

    Full application design and development life cycle.

    • Frontend with AngularJS and REST API consumption.
    • Backend with Node.js, Express and MongoDB: data modelling, schemas, indexes and performance.
    • Native Android and iOS apps with Capacitor and integration with the Sage 50 ERP.
    • LLM integration in workflows with Amazon Bedrock.
    • CI/CD with GitLab, Docker, deployment on AWS and monitoring with Grafana.

  2. March 2026 — Present · Part-time

    Chief Technology Officer

    doMate Technologies, S.L.

    Full product launch for a software startup.

    • End-to-end product design and development with React Native, Expo and Google Cloud Platform.
    • Definition of the development framework and leadership of the technical team.

  3. February 2022 — Present

    Chairman of the Board

    Asociación Cultural Quintanareña

Engineering & Management

  • Specification Requirements analysis, technical specification and an SDD (Spec-Driven Development) framework with support for AI agents.
  • Architecture End-to-end design with documented decisions and API contract definition.
  • Quality TDD with unit and integration tests, code review and development standards.
  • Management Scrum teams: breakdown into epics, user stories and technical tasks, delivery and risk estimation and planning.

Languages

Java, Python, C, C++, C#, TypeScript, Haskell, Dart

Frontend

Angular, React, Svelte, HTML, CSS

Backend

Express, Spring, Flask, FastAPI, SQL, NoSQL, Jest

AI

Vertex AI, Amazon Bedrock, RAG, Vector Search, LangGraph

Mobile

React Native, Expo, Capacitor, Flutter, Android, iOS

DevOps

AWS, GCP, Docker, Linux, GitHub CI/CD, GitLab CI/CD, Grafana

Projects

screenshot of project

doMate Project

App to find a flat and flatmates

React Native Expo Firebase GitHub CI/CD

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screenshot of project

Universt Project

Learning Platform (Closed)

Python Flask HTML CSS JS

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screenshot of project

Ledgerly

Personal accounting app

Angular Express Mongo GitHub CI/CD

View code View project
screenshot of project

Remote Debian

Web Remote Desktop (ARM COMPATIBLE)

Docker Linux

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Contact

I would love to hear about your project and how I could help you. Fill in the form and I will get back to you as soon as possible.