Bruno Miguel Assunção
AI Automation & Backend Systems Engineer
New to Contra
Bruno Miguel is ready for their next project!
I built a data lake on AWS that brings raw data from different sources into one place. Raw files land in S3, AWS Glue catalogs and cleans them, and the processed data is stored in a separate S3 layer, ready to be queried with SQL in Athena. Access is controlled with IAM, so each part of the pipeline only sees what it needs.
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I set up the full cold email system for a B2B agency: sending domains, four inboxes across Google Workspace and Microsoft 365, SPF, DKIM and DMARC, warmup and sending limits. Then I built three niche campaigns with a 3-step sequence and a personal opener for each lead.
Result: around 10% reply rate on the first campaign and the first sales meeting booked in week one.
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A Google Cloud Function in Python that pulls business data from Google Maps on demand. It's triggered from n8n and sends the results straight back into the prospecting workflows, with no server to manage.
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I built a system that finds B2B companies on Google Maps by region and niche, visits their websites, pulls emails and phone numbers, and picks up signals about each business. It then writes a personal first line for every lead with AI, removes duplicates and hands over a list ready for outreach. It runs in the cloud on its own and pauses and resumes when API limits are hit.
Result: 780+ leads processed without manual work.
Skills: Python, Web Scraping, Lead Generation, Data Enrichment, Docker, Playwright, AI Automation
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