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alexandresgf/README.md

Hello 👋, I'm Alexandre Ferreira, but you can call me Alex

I've been working in the IT area for many years, mainly as a Software Engineer, a 100% remote worker living in 📍 Salvador, Bahia, Brazil.

My interests are

  • Web Scraping
  • Reverse Engineering
  • WAF bypassing
  • Red Team techniques
  • Data Pipelines (ETL/ELT)
  • Applied AI and Agentic Systems
  • Backend related stuff: system design, observability, APIs
  • Homelab + Proxmox enthusiast
  • NeoVim <3

My core experience

  • Languages: Python, Javascript (Web / NodeJS), Golang, PHP, Shell Scripting
  • Databases: Postgres, MongoDB, MySQL/MariaDB, SQLite, DuckDB
  • Messagery/Queue: RabbitMQ, Kafka
  • Cache/InMemory: Redis, Memcached
  • Containers: Docker
  • Orchestrators: Docker Swarm, Kubernetes
  • Observability: Prometheus, Grafana, DataDog, OpenTelemetry
  • AI & Agentic Systems: Agentic RAG, RAG Pipelines, MCP Servers, LangChain, LlamaIndex
  • AI / Tooling: Cursor, Codex, Claude Code, OpenAI/GPT, OpenCode, OpenRouter, Ollama, Hermes Agent, Hugging Face
  • Cloud/DevOps: CI/CD, AWS (Lambda, S3, X-Ray, EKS), Google Cloud (BigQuery, Storage, AppEngine, Cloud Run Functions)
  • Data Engineering: AirFlow, ETL/ELT pipelines, Data Cleaning, Data Enrichment, Data Lakes, Data Structure
  • Web Scraping: BS4, Parsel, Scrapy, Scrapiling, Crawlee, Obscura, Puppeteer, Playwright, Selenium, WAF bypassing, Proxy Rotation, Session Management, Rate Limiting, Browser Fingerprinting, TLS Fingerprinting, Network Analysis (Burp Suite, Charles Proxy, MITM, WireShark, tcpdump)

My projects

  • GrindLabs Consulting :: Company founded by myself to work as a contractor, freelancer or consultant for B2C or B2B models.

Stay in touch

You can find me at:

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