AI Software Engineer · LLMs & Full-Stack · iOS
I build AI-powered products end-to-end — from RAG pipelines and LLM integrations to apps people actually use.
- 🎓 B.Sc. in Computer Science (Universidade Católica de Brasília) & Apple Developer Academy graduate
- 🤖 Specializing in applied AI & LLMs: built an end-to-end RAG system — chunking, OpenAI embeddings, vector search with pgvector, and evals to measure retrieval quality
- 📱 7 native apps published on the App Store, owning the full product lifecycle: ideation → architecture → ASO → deployment
- 🧩 Full-stack experience shipping B2B platforms with React, TypeScript, and Supabase (PostgreSQL + RLS)
- 🗣️ Advanced English (Cambridge C1) · Portuguese (native) · Based in Brasília, Brazil 🇧🇷
I don't just call LLM APIs — I engineer AI systems. My RAG project applies spec-driven development, a coding harness (CLAUDE.md), and automated evals to compare chunking strategies and systematically measure retrieval quality. Data comes from the system; language comes from the LLM.
I ship real products, not demos. From Ecos – Smart Journal (100+ downloads, 15 five-star reviews, first-submission App Store approval) to LocAlert, a real-time disaster tracker localized in 6 languages and presented to Brazil's Civil Defense.
I lead as well as I build. Product Owner & Scrum Master across multiple squads at the Apple Developer Academy, shipping apps in cycles under 3 months and pitching in English and Portuguese to evaluation panels.
| Project | What it is | Stack |
|---|---|---|
| RAG over Personal Notes | Full retrieval-augmented generation pipeline: ingestion, chunking, embeddings, semantic search + evals for retrieval quality | Python · pgvector/Supabase · OpenAI |
| Ecos – Smart Journal | Native journaling app with biometric privacy (FaceID), widgets, and cloud sync — 100+ downloads, 15 ⭐⭐⭐⭐⭐ reviews | SwiftUI · SwiftData · Supabase |
| LocAlert – Disaster Tracker | Real-time disaster tracking, localized in 6 languages, with ChatGPT API integration — presented to Civil Defense | Swift · MapKit · CloudKit · OpenAI |
| Kairon internal platform | Web + mobile management platform: CRM with automated lead notifications, financial control, task tracking, RLS-based access | React · TypeScript · Supabase |
AI & LLMs — RAG · Embeddings · Chunking · Vector Search (pgvector) · Evals · Tool Calling · Prompt Engineering · Spec-Driven Development · OpenAI API
Languages — Python · Swift · TypeScript · JavaScript · SQL
Mobile (Apple) — SwiftUI · UIKit · SwiftData · CloudKit · WidgetKit · Combine · async/await · React Native
Web & Backend — React · Node.js · Supabase (PostgreSQL, RLS) · Firebase · RESTful APIs
Practices — MVVM · SOLID · Clean Code · Unit Testing · Evals · CI/CD (Xcode Cloud, Jenkins) · Git/GitHub
💬 Open to opportunities in AI Engineering, iOS, and Full-Stack — let's talk: mateusmp.df@gmail.com