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  • Brazil Santa Catarina
  • 22:40 (UTC -03:00)

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Achievement: Pair ExtraordinaireAchievement: QuickdrawAchievement: Pull SharkAchievement: YOLO

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arthurmgraf/README.md

About Me

AI Data Engineer with 5+ years of experience bridging the gap between data engineering and AI/ML systems. Experienced in designing LLM-based solutions, multi-agent architectures, and NLP pipelines while building robust high-throughput data infrastructure using Spark, NiFi, and Kafka. Skilled in Python, SQL, and cloud platforms (AWS/GCP), with a strong focus on delivering production-ready AI features with attention to evaluation, quality, and observability.

Location:     Brazil
Experience:   5+ years in AI & Data Engineering
Focus:        LLM Integration | Data Pipelines | MLOps | GenAI

Tech Stack

AI & LLM

Data Engineering

Databases

Cloud & Infrastructure

DevOps & IaC

Visualization & BI

Highlights

AI & LLM

  • Multi-agent orchestration with CrewAI
  • RAG architecture & vector search
  • Context engineering & prompt optimization
  • Real-time tracing with LangFuse
  • AI evaluation & guardrails
  • MCP (Model Context Protocol) integration

Data Engineering

  • Near real-time pipelines (20TB/week)
  • 93% reduction in pipeline execution time
  • 87% improvement in SQL query performance
  • Serverless pipelines on GCP
  • Observability from day one

DevOps & MLOps

  • Infrastructure as Code (Terraform/Terragrunt)
  • CI/CD with quality gates
  • Automated smoke tests
  • Auto-healing pipelines
  • Kubernetes/OpenShift deployments

Leadership

  • Delivered 48h of training to 40+ students
  • Built 50+ analytical dashboards
  • Served 20+ manufacturers and retail brands
  • 4x faster deliveries with AI-assisted development

Experience

Senior Data Engineer @ NTT DATA (Apr 2025 - Present)

Building high-throughput data pipelines, AI-powered automation, and multi-agent systems

Data Engineer @ Neogrid (Feb 2024 - Apr 2025)

Cut data analytics costs by 60%, built AI chatbot test suites with Google Gemini

Data Analyst @ Motorista PX (Sep 2023 - Feb 2024)

Real-time analytics apps, churn analysis, NLP-based audit analysis

GitHub Stats

Coding Activity

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  1. mrhealth-data-platform mrhealth-data-platform Public

    Enterprise data warehouse on GCP Free Tier — Medallion Architecture, Kimball Star Schema, event-driven ingestion, Airflow orchestration, Terraform IaC, K8s observability stack

    Python 1

  2. claude-diagram-generator claude-diagram-generator Public

    Generate professional Excalidraw diagrams from your codebase using Claude Code

  3. graphmind graphmind Public

    Autonomous Knowledge Agent Platform - Agentic RAG with Knowledge Graphs, hybrid retrieval, LangGraph agents, and MCP server

    Python 1

  4. streamflow-analytics streamflow-analytics Public

    Real-time Streaming Data Platform for E-commerce Fraud Detection — Kafka (Strimzi), Flink (PyFlink), Airflow, PostgreSQL (CloudNativePG), K3s, Terraform/Terragrunt. Medallion Architecture, 5 fraud …

    Python

  5. nifi-oilgas-monitoring nifi-oilgas-monitoring Public

    Production-grade Apache NiFi 2.8 streaming platform for real-time IoT sensor monitoring of offshore oil & gas platforms. 10 NiFi Process Groups, Kafka, TimescaleDB, Grafana, Python anomaly detection.

    Python

  6. python-automation python-automation Public

    Collection of Python automation scripts for productivity, screen automation, and workflow optimization

    Python