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I'm a hands-on developer focused on process automation, API integrations, and data engineering for web scraping. I work remotely with a reliable delivery mindset, building n8n workflows and AI agents (including RAG), and crafting Node.js endpoints while handling JSON and CSV data. I'm experienced with orchestration (Airflow) to schedule and monitor bots and automated routines, with attention to logging, retries, and operational stability. I thrive on turning complex data pipelines into dependable production flows and collaborating across teams to deliver measurable results.…I'm a hands-on developer focused on process automation, API integrations, and data engineering for web scraping. I work remotely with a reliable delivery mindset, building n8n workflows and AI agents (including RAG), and crafting Node.js endpoints while handling JSON and CSV data. I'm experienced with orchestration (Airflow) to schedule and monitor bots and automated routines, with attention to logging, retries, and operational stability. I thrive on turning complex data pipelines into dependable production flows and collaborating across teams to deliver measurable results.

Leonardo de Mattos

Back-End Developer, Web Developer, Data Scraping Specialist, +2

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I'm a hands-on developer focused on process automation, API integrations, and data engineering for web scraping. I work remotely with a reliable delivery mindset, building n8n workflows and AI agents (including RAG), and crafting Node.js endpoints while handling JSON and CSV data. I'm experienced with orchestration (Airflow) to schedule and monitor bots and automated routines, with attention to logging, retries, and operational stability. I thrive on turning complex data pipelines into dependable production flows and collaborating across teams to deliver measurable results.…I'm a hands-on developer focused on process automation, API integrations, and data engineering for web scraping. I work remotely with a reliable delivery mindset, building n8n workflows and AI agents (including RAG), and crafting Node.js endpoints while handling JSON and CSV data. I'm experienced with orchestration (Airflow) to schedule and monitor bots and automated routines, with attention to logging, retries, and operational stability. I thrive on turning complex data pipelines into dependable production flows and collaborating across teams to deliver measurable results.

Available to hire

I’m a hands-on developer focused on process automation, API integrations, and data engineering for web scraping. I work remotely with a reliable delivery mindset, building n8n workflows and AI agents (including RAG), and crafting Node.js endpoints while handling JSON and CSV data.

I’m experienced with orchestration (Airflow) to schedule and monitor bots and automated routines, with attention to logging, retries, and operational stability. I thrive on turning complex data pipelines into dependable production flows and collaborating across teams to deliver measurable results.

Skills

Experience Level

Expert

Expert

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Expert

Intermediate

Intermediate

Intermediate

Language

Portuguese

Fluent

English

Advanced

Work Experience

Data Engineer at RegDoor

October 1, 2025 - Present

Automate collection and processing of publications across multiple sources to evolve a regulatory intelligence platform. Build and maintain n8n workflows for ingestion, normalization, classification, and routing of data, integrating internal databases, operational tables, and external services. Implement scraping pipelines with a focus on change tracking, data quality, observability (logs, validations, failure handling), and scheduled executions. Standardize JSON payloads and outputs for downstream consumption (indexing, RAG, reporting, and automations).

Junior Back-end Developer at Urbane Tech

June 1, 2025 - October 1, 2025

Built web scraping bots for real-estate portals using Python (Playwright, Selenium, Puppeteer, BotCity), handling dynamic pages, layout variations, and extraction routines. Created an Apache Airflow orchestrator to schedule and coordinate bot runs, focusing on reliability, reprocessing, and pipeline organization. Developed a chatbot with n8n + RAG, integrating automations and knowledge-base search for more contextual answers.

Software Developer at Meerkat Coding

January 1, 2025 - June 1, 2025

Developed REST APIs in Node.js + Express for integrations, with JWT, RBAC, data validation, and automatic documentation (Swagger). Implemented a serverless customer-management API (Health/Consulting) with full CRUD, advanced filters, pagination/sorting, and tenant isolation by organization. Built and maintained n8n automations integrating multiple sources (10+ sites) and updating daily Google Sheets reports, reducing ~2 hours/day of manual effort. Delivered a production dynamic-scraping automation (FastAPI + Playwright + LLMs), containerized with Docker and integrated into monitoring flows. Worked on AWS deployment and infrastructure (EC2, Lambda, DynamoDB, S3) with Docker Compose environments to ensure reproducibility and operational stability.