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Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Pull SharkAchievement: Arctic Code Vault Contributor

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mthelm85/README.md

Matt Helm

Senior Data Scientist | AI & Data Systems Architect

Applied economist and senior data scientist with 10+ years of experience architecting secure AI/ML systems, designing production data pipelines, and building policy-grade analytics for enterprise mission programs. My work bridges statistical modeling, software engineering, and domain-specific open-source tooling.

Focus

  • AI/ML & Knowledge Systems: GraphRAG, local LLM architectures (Ollama/MCP), vector search, and RDF knowledge graphs
  • Advanced Analytics: Microdata analysis, state-space forecasting, Monte Carlo simulation, risk scoring, and causal inference
  • Data Engineering: Enterprise ETL/ELT pipelines, entity resolution at scale, data validation, and metadata lineage
  • Cloud Infrastructure: Secure cloud analytics deployment on AWS (ECS, RDS, ALB) and Azure using Docker and Terraform

Tech

  • Languages: Julia (Expert), Python, R, SQL, Rust, JavaScript/TypeScript
  • AI & Knowledge Graphs: GraphRAG, RAG, Ollama, LangChain, LanceDB, RDF/SPARQL/JSON-LD, Semantic Search
  • Data Systems & Engineering: Automated Pipelines, CheckMate.jl, DuckDB, BK-Trees / Entity Resolution, Git, Docker, Terraform
  • Visualization & Analytics: d3.js, Plotly.js, Power BI, Tableau, SvelteKit, Microdata Analysis (CPS/ACS), Econometrics

Open Source

  • DataMimic.jl — Synthetic data generation based on administrative microdata with differential privacy rules
  • CheckMate.jl — Production data validation framework enforcing integrity rules across high-stakes pipelines
  • RDF.jl — W3C-compliant Resource Description Framework and SPARQL engine in pure Julia
  • MaterialDocs.jl — Julia documentation theme based on Material Design 3

Portfolio: matthelm.pro | Contact: mthelm85@gmail.com

Popular repositories Loading

  1. PlutoDataTable.jl PlutoDataTable.jl Public

    An interactive data table for Pluto.jl notebooks.

    Julia 10 1

  2. PlutoMCP.jl PlutoMCP.jl Public

    Exposes an MCP server that allows compatible AI tools to manipulate live Pluto.jl notebooks in real time.

    Julia 7 2

  3. MaterialDocs.jl MaterialDocs.jl Public

    A Documenter.jl writer plugin that generates Material Design 3 documentation sites — with HCT-based dynamic color theming, dark mode, search, and a live theme editor.

    Julia 7

  4. CurrentPopulationSurvey.jl CurrentPopulationSurvey.jl Public

    A simple package for easily downloading/parsing CPS microdata files.

    Julia 6 1

  5. CheckMate.jl CheckMate.jl Public

    A lightweight data validation framework for Julia, designed to help you define, run, and manage data quality checks on tabular data.

    Julia 5

  6. PAM.jl PAM.jl Public

    Partitioning Around Medoids

    Julia 3