Backend Engineer · Java / Spring Boot · Angular · TypeScript · Lisbon 🇵🇹
- 🔭 Building a backend for remotely configuring EV chargers over OCPP 2.0.1
- 🌱 Into BPMN orchestration, validation architecture and async deployment lifecycles
- 🧱 Java / Spring on the server, Angular on the client, Postgres & MySQL underneath
- 🧪 By night, I ship open source — 13 focused libraries & tools (see below)
- 📍 Based in Lisbon · 💬 ask me about Spring Boot, Angular, SQL dialects & data migrations
- 📫 Reach me on LinkedIn
13 small, focused, MIT-licensed projects — each with tests, CI, bilingual docs (EN/PT) and its own documentation site.
- agent-toolbelt — framework-agnostic typed tool registry for LLM agents (zod → JSON Schema, scopes, middleware) · docs ↗
- agent-passport — verifiable identity & signed action logs for AI agents · docs ↗
- agent-rules-kit — install curated guardrails as
AGENTS.md/CLAUDE.md/.cursorrules· docs ↗ - ctxpack — pack a repo into LLM-ready context (secret-redacting, token-budgeted) · docs ↗
- ollabench — benchmark & compare local Ollama models · docs ↗
- gitscribe — release notes from git commits via a local LLM · docs ↗
- mcp-portugal — Portuguese public data (NIF/IBAN/holidays) as MCP tools · docs ↗
- mcp-latex — let an AI check & compile your LaTeX thesis · docs ↗
- simple-vc — issue & verify W3C Verifiable Credentials in ~20 lines (offline
did:key) · docs ↗ - proofmark — verifiable content provenance, a C2PA-style sidecar · docs ↗
- whispa — offline voice-agent pipeline (whisper.cpp + Ollama + Piper) · docs ↗
- whispa-pi — turn a Raspberry Pi into a 100% offline voice assistant · docs ↗
Languages & frameworks
Databases
DevOps & tools
⚡ Backend by day · open source by night · pixels & floor plans in between.