joao lomb

JL

Looking for a job

joao lomb

@joaolomb

Software engineer building production AI agents and deterministic evals, including a WhatsApp ordering agent that handles real orders.

At Escalys, I architect and maintain REST and webhook integrations across Pipefy, n8n, Asaas, and WhatsApp. I also built Python AI agents that classify documents and extract structured data from PDFs.

I built Yasmin, a production WhatsApp ordering agent, with deterministic safeguards shaped by real incidents; an interceptor has already caught a false order confirmation live. My open-source work includes deterministic evaluations for tool-calling agents and a FastAPI service that guards irreversible actions.

Experience

Work history, roles, and key accomplishments

ES

Current

Process Automation & AI Integrations Engineer

Current

Escalys

Jun 2026 - Present (5 months)

Architect and maintain a REST/webhook integration mesh (Pipefy, n8n, Asaas, WhatsApp) running 11 pipes over 4 databases. Built Python AI agents that classify documents and extract structured data from PDFs, removing manual handling by the team.

Python REST Webhooks Pipefy N8n Asaas WhatsApp SQL Postman AI Agents Document Classification Data Extraction

RE

Current

Freelance Full Stack & Automation Developer

Current

Remote

Jan 2022 - Present (4 years 10 months)

Built web apps and REST APIs with JWT auth, validation and global error handling (React, TypeScript, Node.js, Python, FastAPI). Built a WhatsApp ordering automation for a pizzeria, including error handling and production flow testing.

React TypeScript NodeJS Python fastAPI REST JWT Error Handling WhatsApp Automation

CC

IT Generalist / Technical Support

Casa Clínica

Jan 2023 - Dec 2025 (2 years 11 months)

Owned all IT for the organization (support, hardware, software, infrastructure). Started as an intern, hired full-time.

IT Support Hardware Software Infrastructure

Education

Degrees, certifications, and relevant coursework

UN

UNIAENE-FADBA

Technologist, Information Technology Management

2023 - 2025

Technologist in Information Technology Management from UNIAENE-FADBA, completed in 2025.

MI

Microsoft

Machine Learning, Machine Learning

Machine Learning certification from Microsoft.

OR

Oracle

Databases, Databases

Databases certification from Oracle.

UD

Udemy

Data Science, Java, Data Science, Java

Data Science and Java certifications from Udemy, completed in 2025.

Tech stack

Software and tools used professionally

Availability

Looking for a job

Location

Brazil

Authorized to work in

Website

joaolomba.vercel.app

Salary expectations

40k+ BRL

Social media

Job categories

Software Engineer AI Engineer Automation Engineer Full Stack Developer

Skills

Python TypeScript JavaScript AI Agent Development LLM Evaluation Deterministic Testing Regression Testing Edge Case Testing Failure Injection Prompt Engineering OpenAI Tool Calling RAG fastAPI REST APIs Webhooks

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