I'm a UK based senior software engineer with 16+ years of experience, working as a fractional Ruby on Rails developer for startups, scale ups, businesses, and SaaS teams across the UK, US, and Europe.
I help teams ship features, modernise legacy Rails apps, and integrate AI capabilities, usually on a part time or retainer basis or short contracts.
- Running Infinity Loop, a small senior only engineering studio
- Available for fractional and retainer Rails engagements (UK/US/EU remote)
- Writing about Rails 8.1, Ruby 4.0, and real-world upgrade work at wagnermatos.co.uk/articles
- Alertive, serverless webhook services for healthcare integrations (Ruby, FastAPI, AWS Lambda)
- Citizens Advice, reporting platform used across the CA network (Rails API, React, TypeScript, Contentful)
- Johnson & Johnson, offline first conference engagement tracking at ECP 2025 and EADV 2025
- Babbel, internal tooling modernisation (Python, Go, Ruby)
Ruby on Rails 路 Ruby 路 Python 路 Node.js 路 Go 路 React 路 TypeScript 路 Hotwire/Turbo/Stimulus 路 PostgreSQL 路 MongoDB 路 AWS 路 Docker 路 Kubernetes 路 FastAPI 路 GraphQL
- 馃寪 wagnermatos.co.uk 路 infinityloop.tech
- 鉁夛笍 wm@wagnermatos.co.uk
- 馃捈 LinkedIn 路 馃惁 X / Twitter