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Lucca De Carvalho Matuck

@luccadecarvalhomatuc

AI engineer building LLM agents at Em Camadas 3D and for restaurant operations, with database-enforced permissions and attack evals.

Brazil

Message

What I'm looking for

I’m looking for remote contractor or employee work through an EOR, with overlap with US and EU hours. I can work in the EU without a visa.

I built an LLM WhatsApp ordering assistant for a restaurant client, now in operation, with permissions enforced in code and PostgreSQL rather than relying on prompts. I also reimplemented its permission layer as a public project, where a LangGraph agent uses database-enforced access controls and attack evaluations.

At Em Camadas 3D, I built Claude Code plugins and an MCP server for the Mercado Livre seller API, plus a human-in-the-loop content pipeline. My Ph.D. at University of Aveiro focused on fibre-optic battery instrumentation and machine-learning models that recover internal battery states from external signals.

Experience

Work history, roles, and key accomplishments

Current

Founder and Engineer

Current

Em Camadas 3D

Jun 2026 - Present (4 months)

Built 3 Claude Code plugins and an MCP server for the Mercado Livre seller API. Developed a human-in-the-loop content pipeline for scheduled posts across four networks, achieving ~203k organic views.

Claude Code MCP Computer Vision OpenCV CI CD Content Pipelines Mercado Livre API

Current

Applied AI and Systems Developer

Current

Freelance

Dec 2024 - Present (1 year 10 months)

Sole engineer on a restaurant operations system with an LLM WhatsApp ordering assistant, built and in operation at the client. Implemented strict JSON schema responses, least-privilege Postgres roles, and row-level security with 11 roles.

React TypeScript PostgreSQL Supabase Claude Code LLM JSON schema Row level security geocoding Testing

Doctoral Researcher (Machine Learning for Sensor Data)

University of Aveiro / i3N

Dec 2021 - Feb 2026 (4 years 2 months)

Built regression models to recover internal battery temperature and pressure from external signals, achieving 0.075°C and 0.048bar RMSE. Benchmarked five architectures and wrote the full signal chain from raw interferometric spectrum to physical quantity.