Freelancers using Python in São Paulo
Freelancers using Python in São Paulo
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Sharles Maurício Mariano
A2INET – Alzheimer’s Disease MRI Classification
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13
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Andre Muniz
I'm currently building Omnicrm.chat (http://OmniCRM.chat). A CRM and multichannel communication platform designed to keep customer conversations, sales opportunities, and operational workflows in a single workspace. Most teams still manage WhatsApp, Telegram, email, proposals, tasks, and customer records across multiple disconnected tools. The result is lost context, duplicated work, and a fragmented customer experience. With OmniCRM.chat (http://OmniCRM.chat), conversations can evolve into opportunities, projects, and tasks without manual data entry. The goal is to connect communication, CRM, and execution into one platform, while creating a foundation for future AI-driven automation across the entire customer lifecycle.
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Ivan Matuck
My own AI assistant for company documents and SQL data. Users ask in plain language and get answers from their files (RAG with LangChain and FAISS) or from their databases (questions turned into SQL queries). Django web app, Python/Flask microservices, OpenAI, Docker.
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30
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Henrique Oliveira Dos Santos
HenriqueOs98/sb-backend-challenge
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11
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Fernando Freitas
Insights AI | Web app for auto data analysis
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Thiago Oliver
I designed the UI and user experience for +Saúde, a wellness app focused on healthy habits, daily progress, and personal care. The project includes: ✨ Gamified daily goals ✨ XP, levels, and rewards system ✨ Clean and intuitive dashboard ✨ Appointments, digital ID card, and medication tracking ✨ Modern and minimal UI built for everyday usability Each screen was crafted with clarity, motivation, and user-friendly interaction in mind, delivering a functional and engaging experience. If you need app design, professional UI/UX, or a complete modern interface for your project, I’m open to new collaborations.
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Arthur Paz
Automated system that pulls live exchange data, runs technical analysis (RSI, MACD, EMA), and pushes real-time alerts to Telegram. Python, ccxt, pandas, Streamlit.
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32
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Rodrigo Faria
Microtutorials
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15
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Guilherme Farinassi
Bug Bounty Research - Web Vulnerability Discovery Conducted independent bug bounty research on public VDP and paid programs (Bugcrowd/HackerOne). Discovered and reported multiple valid vulnerabilities including IDOR exposing PII, stored XSS in user-controlled fields, SSRF via internal metadata endpoint, authentication bypass via JWT manipulation, and sensitive data exposure through misconfigured S3 buckets. Findings spanned government agencies, SaaS platforms, and financial services targets. Documented all findings with full reproduction steps, CVSS scoring, and business impact analysis following responsible disclosure guidelines.
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Caio Sanches
Automating SAP Login and Data Update with Selenium and Python
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7
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Pedro Welison
Rule-Driven Probability & Conditional Logic Calculator
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9
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Daniele Maia
LLM Data Pipeline — Python + Claude
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3
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Eduardo Takemura
Handwritten Digits Classifier
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7
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Daniel Paschoalino
Automation Collection NBA Players
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19
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Elvis Cavalcante
AI-Powered Customer Support Workflow Optimization
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6
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Sharles Maurício Mariano
ADNI CNN Dense Classifier
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15
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