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Isaías F.

Isaías F.

AI & Machine Learning Engineer · Junior

Brazil · Rate on request

Professional Overview

AI Engineer focused on Generative AI, Prompt Engineering, and AI Agents. Experienced with Python, FastAPI, ChatGPT, Gemini, REST APIs, and n8n automation. Built AI projects integrating LLMs, intelligent workflows, and APIs. Passionate about solving real-world problems through innovative AI solutions.

Experience

Company
Freelance AI Developer
Jan 2026 – Jul 2026
Role title
AI Engineer | Prompt Engineer

AI Expertise

AI & Machine Learning Engineers NLP & Prompt Engineering

Skills

Python SQL Pandas NumPy OpenAI API

Employment Type

Part-time

Description of Responsibilities

  • Built AI agents using Python and FastAPI.
  • Designed and optimized prompts for ChatGPT and Gemini.
  • Integrated LLM APIs into AI applications.
  • Developed workflow automations with n8n.
  • Built REST APIs with real-time SSE streaming.

Key Achievements / KPIs

  • Developed the NovaMind AI platform integrating multiple LLMs.
  • Created the ARK cognitive AI agent architecture.
  • Delivered end-to-end AI automation workflows.
  • Built production-ready AI prototypes using Python.

Areas of Expertise

AI & Machine Learning Engineers

Design, train, and ship production ML models — from data pipelines to model inference at scale. Covers supervised learning, neural networks, LLM integration, and model optimisation.

Automation & AI Workflows

Build intelligent automation pipelines, integrate AI APIs into existing tools, and replace manual workflows with agentic AI systems.

Current location

Brazil

Time Zone

Sao Paulo UTC-3

Primary Work Language

Portuguese

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