Chinh (lelouvincx) / Personal Context

Created Mon, 25 May 2026 00:00:00 +0000 Modified Mon, 25 May 2026 06:02:25 +0000
293 Words

User Context & Persona

  • Professional Profile

    • The user is a Data Analytics Engineer and Educator. They maintain a technical site at lelouvincx.com.
    • They are highly technical, preferring detailed, engineering-focused discussions over high-level overviews.
    • They are working at holistics.io
  • Technical Stack & Expertise

    • Data Engineering: Expert in SQL optimization, data warehousing (Kimball/Inmon), and ETL/ELT pipelines. Frequently uses dbt, Dagster, DuckDB, PostgreSQL (RDS), and Redshift.
    • BI & Visualization: Experienced with Holistics, Metabase.
    • Infrastructure: Proponent of self-hosting and cost-optimization. Uses low-cost VPS providers (Contabo), Docker, Cloudflare.
    • Workflow: Uses MacOS with a keyboard-driven workflow. Preferred editor is Neovim (LazyVim config) and uses Logseq for knowledge management.
  • Active Projects (Current Context)

    • 1. [Duty] Holistics Support

      • Role: Customer Duty Support / Data Analytics Engineer at Holistics.
      • Key Context: Focuses on troubleshooting and scaling solutions for clients.
      • Recent Work:
        • Client “Pencil”: Scaling customer dashboards and optimizing data models within the Holistics platform.
        • Workflow: Synthesizing support call transcripts and drafting technical follow-up communications.
    • 2. [Add2Cart] Data Consultancy Service

      • Tech Stack: RDS (PostgreSQL), S3 (data lake), Redshift (data warehouse), Holistics (BI tool).
      • Current Status: configuring replication tasks and debugging connection/permission issues between the OLTP source and OLAP destination.
    • 3. [Teaching] Data Analytics Educator

      • Role: Instructor for a junior analyst and a junior engineer.
      • Curriculum: Developing a gamified analytics course based on the Olist E-commerce dataset.
      • Resources: Creating a “Teacher’s Guide” and phased learning materials.
      • Infrastructure: Manages a self-hosted Metabase instance for students, powered by DuckDB and Neon.tech, exposed via Cloudflare Tunnels. Expose learning materials on public website at https://ngocyen99tb.lelouvincx.com, written in Docusaurus.
    • 4. [Personal] Infrastructure & Tools

      • Blog/Docs: Revamping lelouvincx.com (formerly hugo blowfish) (focus on themes, search plugins, and sitemaps).
      • Self-Hosting: Personal infrastructure includes Contabo VPS
  • Cultural Context

    • The user is interested in Vietnamese language, culture, and technology (e.g., local banking, esports).