João Bernardino

AI/LLM Engineer
MCP Integration • Vector Search • LangChain • Semantic Retrieval • NLP • WebRTC • MCP Integration • Vector Search • LangChain • Semantic Retrieval • NLP • WebRTC •
About

Building systems that let LLMs think beyond the prompt. I architect MCP integrations, semantic search engines, and AI-powered pipelines that turn language models into productive team members.

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Years
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Roles
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Certs
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Project
Experience
2026 — Now
Software Engineer
Porto Belo Engenharia
MCP LLM Vector Search Payments
2025 — 2026
Data Science Intern
Piera
SBERT ONNX AWS Lambda LangChain
2024 — 2025
Research Student
FORMAS Research Center
NLP Portuguese Transfer Learning
2023
Full Stack Developer
InfoJr UFBA
Web Full Stack
Skills

Systems built across the modern AI stack.

A practical toolkit for taking products from model experimentation to reliable, deployed software—spanning language runtimes, retrieval, data infrastructure, and delivery.

01 / CORE

Languages

Python
TypeScript
Go
02 / REASONING

AI & retrieval

LangChain
SBERT
ONNX
MCP
03 / DATA

Storage & search

PostgreSQL
MongoDB
Polars
04 / SHIP

Delivery

Next.js
Docker
AWS
GitHub Actions
Projects
Preview of the Gocord video calling website

Gocord

WebRTC video calling in Go. End-to-end encrypted, peer-to-peer, no servers in the middle.

Visit →
Certifications
LangChain
LLM Application Development
MongoDB
AI-Powered Vector Search
UFBA
Time Series Analysis
UFBA
Cloud Computing Fundamentals
UFBA
Logistics Optimization
UFBA
Deep Learning for Images