Senior Software Engineer & Technical Lead · Germany

Mohamed Mustapha Tahrioui

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Specializing in Product development with a focus on Agentic AI orchestration, Search/RAG systems and event-driven architectures - observability first.

Writing

Latest from the journal

All posts
  1. apple-silicondtracemacos

    Reading Apple Silicon's performance counters without root

    There is no eBPF for macOS and DTrace requires root. This paper documents what remains: sample, xctrace, the undocumented kpep event catalogue, and a method for identifying the unnamed counter slots that xctrace exports.

    Read
  2. analyticsdata-engineeringdata-quality

    Data Quality Is Not About Pristine Data. It Is About Being Fit for Use.

    A practical framework for measuring data quality, understanding its costs, and focusing on what actually matters for the people who use the data.

    Read

  3. A grab bag of Postgres connection/session defaults (and one Linux I/O gotcha) that make your app safer, more predictable, and easier to debug.

    Read

Work

Selected projects

All projects

  • 01

    Kubernetes The Hard Way, visualized

    One-page visual map of the Kubernetes The Hard Way course: all 13 labs, the four-machine topology, every certificate, port and component. A cluster diagram assembles as you scroll; three toggle views show who holds which certificate, who talks to whom on which port, and which lab builds each part.

    KubernetesPKISVGVanilla JSCaddy

  • 02

    Enterprise RAG Platform

    Unified Confluence, SharePoint and other sources into a single retrieval layer. Migration was done via Strangler Fig patter under an integration test harness. Shipped Python and TypeScript SDKs to accompany the platform.

    QdrantPostgresRustGoPython

  • 03

    Routing Engine

    Redesigned core routing logic with async architecture, handling 400 req/s.

    WebhooksGoLambdaS3SQS

  • 04

    Magenta Smart Speaker

    Core Architect for the ecosystem, serving hundreds of thousands of customers.

    IoTVoice AIPythonCC++

  • 05

    memories

    Git-powered, file-based memory store with semantic search. Branching, history, diffing, and commit semantics with optional vector search via local embeddings.

    GoGitSemantic SearchEmbeddingsCLI

  • 06

    code-walkthrough

    Interactive, visual code exploration for the AI era. Terminal-native with diagram-enhanced walkthroughs.

    GoCLIAIDiagrams

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