Senior Software Architect Barcelona / FinTech / AI-assisted delivery

Build. Ship. Repeat.

Software architect designing & shipping AI-powered systems in production — ten years of FinTech infrastructure, distributed services and the thousand small decisions that keep them running at 3 a.m.

AI-Augmented Skills

Technical judgment with agent leverage

Seven skills grounded in production pressure.

01

System Design & Architecture

Microservices, event-driven systems, DDD boundaries, OpenAPI contracts, and architecture reviews.

02

FinTech API Engineering

Public APIs, Open Banking integrations, payment flows, banking data pipelines, and incident response.

03

Cloud & Infrastructure

AWS, GCP, Docker, Kubernetes, nginx, GitHub Actions, GitLab CI, and deployment reliability.

04

Full-stack TypeScript

React, React Native, Node.js, NestJS, Express, Vite, Supabase, and JS-to-TS migrations.

05

Testing & Quality Gates

Jest, Cypress, Vitest, Playwright, CI quality checks, 80% coverage targets, and regression prevention.

06

Team Technical Direction

Mentoring junior and mid-level engineers, stakeholder communication, delivery standards, and product focus.

07

Agent-Augmented Delivery

Designing predictable frontend architecture and code quality gates so tools like Cursor can safely shorten delivery cycles.

Selected Projects

Case studies, not screenshots

Things I've shipped.

Mobile social platform 01

Pachanga App

The match manager for local football groups: cloud sync for coordination, local persistence for speed, and a privacy-first model where your group owns its data instead of feeding a social network.

  • React Native architecture
  • Product ownership
  • AI-manageable codebase
Automation bot 02

RubeBot

A Go browser-automation bot built in one afternoon to turn a repetitive platform workflow into a reliable eight-hour run: login, keep-alive refreshes, and clean session close.

  • Go automation
  • Browser sessions
  • Built in an afternoon
Firm infrastructure 03

AlmorNet Infra

A private VPS stack where every project lives close to the metal: resources, DNS records, deploys, logs, and monitoring under my control for less than 10€ a month.

  • Private VPS
  • DNS control
  • <10€/month
Backend service 04

URL Shortener

A production-shaped redirect service with rate limiting, analytics, Docker Compose, and TypeScript internals organized through hexagonal architecture and TDD.

  • TypeScript
  • Hexagonal architecture
  • TDD
View project
Learning system 05

Go TDD

A focused learning repo for building Go from first principles: small tests, fast feedback, and enough repetition to make the language feel operational instead of theoretical.

  • Go
  • Test-first
  • Language fluency
View project
Mobile app 06

Premiere Night

A React Native movie app for browsing TMDb, managing a personal watchlist, and moving quickly from product idea to usable mobile experience with AI-assisted development.

  • React Native
  • TMDb API
  • Built with AI
View project
News API 07

Flanks

A Node.js API that fetches, normalizes, and caches Hacker News content with Express and Nx, built for quick reads, predictable structure, and maintainable backend boundaries.

  • Node.js
  • Express
  • Nx
View project
Frontend challenge 08

Marvel Challenge

A character explorer powered by Marvel and Dragon Ball data, where users can browse heroes, inspect details, and mark favorites without the interface getting in the way.

  • Character APIs
  • Favorites
  • Web app
View project
Legal growth site 09

Alcantara Moreno Abogados

Led the redesign of a law firm website around a sharper commercial engine: clearer positioning, stronger SEO foundations, and landing flows built to turn paid traffic into qualified leads.

  • SEO
  • Ads funnel
  • Redesign
View project
BOE intelligence 10

MultasApp

A Go-powered system that reads the Spanish BOE every day, processes 3,000+ PDFs, detects around 200,000 violations, and alerts users through WhatsApp, SMS, email, or any channel that gets attention.

  • Go backend
  • React + Tailwind
  • VPS deployed
View project
Agent observability 11

Agents Fleet

A multi-tenant control room for AI agents: connect tools like Claude or Manus, monitor runs and latency, manage teams and roles, and prepare alarms before agent performance becomes invisible.

  • Multi-tenant
  • Agent metrics
  • RBAC
View project
Experience

Nearly 10 years in production environments

From FinTech delivery to AI-native architecture.

2025

Legal Pigeon — Senior Software Developer

Designed React frontend architecture with strong testing strategy, 80% coverage, GitHub Actions quality gates, and roughly 90% fewer post-deployment bugs.

2023-2025

migestor.app — Solo Founder

Validated, built, and launched a property-management SaaS MVP with Vite, Node.js, TypeScript, Supabase, Nx, and CI/CD, securing first customers and early revenue.

2023

kevin.eu — Senior Software Engineer

Maintained public APIs and bank integrations in an Open Banking FinTech environment, supporting 99.9% uptime with AWS API Gateway, Grafana, Prometheus, and PagerDuty.

2017-2023

Goin App — Senior Backend Engineer / Tech Lead

Progressed from software engineer to tech lead, architecting event-driven microservices with TypeScript, Docker, Kubernetes, GCP, RabbitMQ, nginx, and DDD for sensitive banking data.

2017

Glovo — Software Engineer Intern

Built Python automation for FTP-based product catalog ingestion, reducing manual partner integration work and improving data consistency.

Barcelona, Spain / Spanish, Catalan, English

Need a senior engineer who can reason at the system level and still ship?