Gustavo Karsten

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infrastructure:
  linux:
    - "Debian/Ubuntu Server Administration"
    - "FreeBSD Administration"
    - "Slackware Linux"
    - "Network Configuration (OSPF, VRRP, nftables)"
    - "SSH Advanced (keys, ProxyCommand, rsync)"
    - "VPN Setup (PPTP, routing)"
    - "Firewall Management (nftables, iptables)"
    - "System Performance Tuning"
    - "Log Analysis & Troubleshooting"
  windows server:
    - "Windows Server Administration (2008-2016)"
    - "Active Directory Management"
    - "Group Policy Configuration"
    - "Domain Services"
    - "Server Role Management"
  virtualization:
    - "Proxmox VE"
    - "Hyper-V (2012-2016)"
    - "VM Configuration & Management"
    - "Resource Allocation"
    - "High Availability Clustering"
  networking & security:
    - "pfSense Firewall"
    - "Mikrotik RouterOS"
    - "Unifi Access Points"
    - "Network Routing & Switching"
    - "VLAN Configuration"
    - "Wireless Network Management"
  containers:
    - "Docker & Docker Compose"
    - "Dokploy Deployments"
    - "Healthchecks & Resource Limits"
    - "Security Best Practices (non-root users)"
    - "Multi-stage Builds"
    - "Container Orchestration"
    - "Image Optimization"
  reverse proxy:
    - "Traefik"
    - "Nginx (SSL, WebSockets, AI Streaming)"
    - "Let's Encrypt Automation"
    - "Load Balancing"
    - "Rate Limiting"
    - "Caching Strategies"
  high availability:
    - "ProxySQL Load Balancing"
    - "Keepalived Failover"
    - "VRRP Protocols"
    - "Health Monitoring Scripts"
    - "Automatic Failover"
    - "Zero-downtime Deployments"
    - "Disaster Recovery Planning"
databases:
  relational:
    - "MariaDB/MySQL (Replication, Binary Logs)"
    - "PostgreSQL (pgvector extension)"
    - "Query Optimization"
    - "Index Management"
    - "Troubleshooting (max_connections, replication issues)"
    - "Performance Tuning"
    - "Backup & Recovery Strategies"
  nosql:
    - "Elasticsearch (Log Analysis, Complex Queries)"
    - "Redis (Caching, Session Management)"
    - "JSON Document Processing"
    - "Full-text Search"
    - "Aggregation Pipelines"
  cloud databases:
    - "Supabase (Backend-as-a-Service)"
    - "Supabase Vector Store"
    - "Real-time Subscriptions"
    - "Row Level Security (RLS)"
    - "Database Functions & Triggers"
    - "Edge Functions"
automation:
  workflow engines:
    - "n8n (Complex Workflows)"
    - "API Integrations"
    - "Webhook Architecture"
    - "Event-Driven Systems"
    - "Error Handling & Retry Logic"
    - "Workflow Optimization"
    - "Custom Node Development"
  scripting:
    - "Shell Script (Bash)"
    - "PowerShell Scripting"
    - "Ansible (Infrastructure as Code)"
    - "Monitoring & Failover Scripts"
    - "Log Analysis Automation"
    - "Cron Job Management"
    - "System Administration Tasks"
    - "Deployment Scripts"
    - "Windows Automation Tasks"
ai_ml:
  llm operations:
    - "LangChain (RAG, Chains, Retrievers)"
    - "LangGraph (StateGraph, Agents)"
    - "LangSmith / Langfuse (Observability & Tracing)"
    - "Anthropic Claude (Opus, Sonnet, Haiku)"
    - "OpenAI GPT-4o / Embeddings"
    - "Google Gemini"
    - "Ollama (Local Models)"
    - "FastAPI (Async Python Backend)"
    - "SSE Streaming (Real-time AI Output)"
    - "Prompt Engineering"
    - "Cost Management & Rate Limiting"
  vector databases:
    - "PostgreSQL pgvector"
    - "ChromaDB"
    - "Embeddings (nomic-embed-text, text-embedding-3-small)"
    - "Document Processing (PDF, DOCX, XLSX)"
    - "Similarity Search"
    - "Metadata Filtering"
    - "Chunking Strategies"
  agent development:
    - "LangGraph StateGraph (Stateful Agents)"
    - "ReAct Pattern"
    - "Multi-agent Systems"
    - "Tool Calling & Function Calling"
    - "Spec-Driven Development (SDD)"
    - "Conversational AI (Legal, Real Estate)"
    - "Context Management & Memory Systems"
    - "Prompt Injection Protection"
    - "Agent Orchestration"
data_engineering:
  extraction:
    - "Firecrawl Web Scraping"
    - "JSON Schema Design"
    - "Multi-format Processing"
    - "API Data Collection"
    - "Custom Parsers (Regex, NLP)"
    - "Data Validation"
  analysis:
    - "Elasticsearch Queries"
    - "Log Correlation"
    - "Temporal Analysis"
    - "Pattern Recognition"
    - "Anomaly Detection"
    - "Statistical Analysis"
  etl:
    - "Data Normalization Pipelines"
    - "Real Estate Data Extraction"
    - "68-column Structured Output"
    - "Data Cleaning & Validation"
    - "Deduplication"
    - "Data Enrichment"
    - "Format Conversion"
marketing_automation:
  crm:
    - "GoHighLevel Integration"
    - "Lead Scoring Systems"
    - "WhatsApp Automation (Evolution API)"
    - "Multi-channel Sync"
    - "Contact Management"
    - "Workflow Automation"
    - "Tag Management"
  social media:
    - "Instagram Graph API"
    - "Content Generation Pipelines"
    - "Cloudinary Media Transformations"
    - "Automated Posting"
    - "Engagement Tracking"
    - "Hashtag Strategy"
  lead generation:
    - "Construction Permit Tracking (ViewPoint Cloud)"
    - "Google Maps Lead Scraping"
    - "Automated Qualification"
    - "Multi-channel Campaigns"
    - "Data Enrichment"
    - "Lead Scoring Algorithms"
    - "CRM Integration"
monitoring:
  tools:
    - "Zabbix"
    - "Prometheus Integration"
    - "JSON Structured Logging"
    - "Grafana Dashboards"
    - "Custom Metrics"
    - "Alert Management"
  practices:
    - "Log Rotation"
    - "Resource Monitoring"
    - "Alert Systems"
    - "Performance Metrics"
    - "Uptime Tracking"
    - "Incident Response"
    - "Root Cause Analysis"