Hi there,

I'm Lucas

tech lead and full-stack web developer and with more than 20 years of hands-on experience

About Me

Strongest on the back end, comfortable across the full stack. Learn more.

Expertise

System Design & Architecture

Decomposing monoliths into micro‑services, designing event‑driven architectures and defining clear service boundaries, data models and APIs.

Full‑Stack Development

End‑to‑end delivery with Ruby on Rails, TypeScript, Node.js, Astro and Svelte; from server‑side APIs to responsive front‑ends.

APIs & Distributed Systems

Designing REST and GraphQL APIs, background processing with Sidekiq, event‑based communication and cross‑service data exchange.

Databases & Data Processing

Schema design, migrations and performance tuning with PostgreSQL, MySQL and DynamoDB; data synchronisation across platforms and third‑party APIs.

Testing & CI/CD

Unit, integration and E2E tests with RSpec, Minitest, Vitest and Jest; CI/CD pipelines via GitHub Actions, GitLab CI, CircleCI and Jenkins.

Cloud Infrastructure & DevOps

AWS (Lambda, ECS, API Gateway, Aurora, DynamoDB), Cloudflare, Docker and infrastructure as code with AWS CDK; self‑hosted deployments with Coolify.