Software Developer

Jaime Alonso García‑Amorena

I build fullstack applications and coordinate AI agent teams, from software architecture and databases to UI/UX and production monitoring.

Email me
Based in
Madrid
Work
Freelance
Speaks
ES · EN

Experience

Welloop AB · Agentic Software Developer

Jun 2025 - Present

  • Develop web applications and backend services for Welloop's youth sports platform using Next.js, React, Node.js and TypeScript.
  • Build an AI-powered chat app with custom permission access, alongside payments, integrations, notifications and a team management surface with events and communications.
  • Build and coordinate AI agent teams, automate development workflows, and use agent evaluations to test and refine their performance.

MIRTO · Software Developer

Jun 2024 - Jun 2025

  • Built and launched MIRTO's mobile app and developed internal tools for analytics, notifications and factory operations.
  • Built a Shopify integration to synchronise product listings across international stores.

Skills

Stack
  • TypeScript
  • React
  • Next.js
  • Node.js
  • SQL / PostgreSQL
  • AWS
  • Docker
  • API integration (REST)
  • Software architecture
  • Debugging
  • Testing
  • UI/UX
  • CI/CD
  • React Native / Expo
  • Capacitor
  • Android
  • iOS

Education

Higher Technician in Cross-Platform Software Development

Universidad Francisco de Vitoria · 2025

Languages

  • Spanish native
  • English professional

Projects

Web, mobile & desktop apps · Audio plugins · Web3 · Landing pages · CLI tools · Robotics · Product research tools.

  • grasshopper2026

    GitHubWebsite

    CLI that carries a session from one AI agent to another, so you never re-explain a context. It reads the conversations agents already keep on disk and hands one over, locally: no network, no account, no model calls.

    Go · Shell · SQLite · MCP

  • Sona2025

    GitHubWebsite

    AI generative audio VST plugin and desktop app, run on a subscription-based SaaS model. It integrates audio LLMs from different providers and combines them in a high-level interface for a curated user experience. Under Sona, there is a complete suite of observability software to track production usage and direct efforts.

    TypeScript · C++ · React · Next · Tailwind · TanStack Suite · Node · REST API · SQL / PostgreSQL · Stripe · Docker · GitHub Actions · OpenAI · Replicate · JUCE

  • Palantir2026

    GitHubWebsite

    Agent-first lab notebook: a persistent home for the empirical knowledge that rarely changes, written and read by AI agents.

    TypeScript · React · Tailwind · TanStack Suite · Node · REST API · SQL / PostgreSQL

  • Compi2026

    GitHub

    Palm-sized AI voice companion for the desk, built on an ESP32-S3. Press the button and speak: it answers out loud through the OpenAI Realtime API and shows what it is doing with a single status light. A companion app sets it up over Wi-Fi.

    TypeScript · C++ · React · REST API · GitHub Actions · OpenAI · Capacitor · ESP32 · Arduino · PlatformIO

  • Mirto 19562025

    Play StoreApp Store

    Mobile app for MIRTO®, integrated with Shopify and all its features.

    TypeScript · Tailwind · NoSQL · Firebase · React Native · Expo

  • Super Bullish2025

    GitHub

    Cryptocurrency Web3 video customization platform.

    TypeScript · React · Tailwind · TanStack Suite · SQL / PostgreSQL · Web3 · Wagmi

  • Vor2ex2025

    GitHub

    Intelligent Amazon product finder and niche analyzer for FBA sellers. My capstone project for the Higher Technician degree in Cross-Platform Software Development.

    TypeScript · React · Next · Tailwind · TanStack Suite · Node · REST API · SQL / PostgreSQL · Amazon SP-API

  • Alchimix2023

    Play StoreGitHub

    Mobile app for creating custom cocktails, with a medieval theme. A gift to Adrian on his 23rd birthday.

    JavaScript · React Native · Expo

  • Internal Management System2024

    Custom private web system from scratch to efficiently manage and administer internal resources for MIRTO Corporation.

    TypeScript · React · Tailwind · TanStack Suite · Node · REST API · IBM Db2 · NoSQL · Firebase · Docker

  • Shopify Product Uploader2025

    Shopify integration tool for complex retail operations. It automates product uploads, translations, product migration between domains and store synchronisation.

    TypeScript · Node · GraphQL · Shopify

  • Bio Visu2023

    GitHub

    Interactive app built hand in hand with a biologist to help graduates pass the Visu exam.

    TypeScript · JavaScript · Tailwind · REST API · React Native · Expo

  • Vivilife2024

    WebsiteGitHub

    Complete website for Vivilife, an app for coaches and communities.

    JavaScript · React · Tailwind

  • musickeyboard.io2024

    WebsiteGitHub

    Keyboarding on the web made simple. An interactive application to learn chords.

    JavaScript · React · Tailwind

  • El Boske2024

    WebsiteGitHub

    Complete website for El Boske, a music studio.

    TypeScript · JavaScript · React · Tailwind

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