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Björn BendixBB

Björn Bendix

Software System Architect, Chatbot Developer

€610/day
Radeberg, DE
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Björn

  • German

    Native or bilingual

  • English

    Fluent

  • Polish

    Basic

  • French

    Basic

Can work on-site
Radeberg (up to 50km)

Experience

  • Antarktis Verlag
    CEO
    PUBLISHING
    July 2009 - Today (17 years and 1 month)
    Radeberg, Germany
    IT Competencies & System Architecture

    1. System Architecture and Infrastructure
    Resilient Backends:Modular fault-tolerant architectures with API routing, fallback cascades & circuit breakers for maximum system stability.
    Async I/O:Routine handling of non-blocking queries & efficient API management (asyncio).
    Hardware Agnostic:Migration of inference loads from proprietary ecosystems (CUDA) to open standards (DirectML, DX 12).

    2. AI Engineering and Data Processing
    LLM Orchestration:Hybrid integration of cloud APIs (Gemini) & local inference (ONNX). Profound experience in prompt engineering (incl. recursive prompts & JSON/XML outputs).
    RAG Systems:Development and conception of local RAG pipelines through the integration of embedding models (SentenceTransformers) and zero-copy vector DBs (SQLite-vec).

    3. Application Development & UI/UX
    Frontend Architecture:Development of multi-layer UIs in PyQt6 for asynchronous data streams & real-time compositing.
    Media & Tooling:Script-based image management, cropping, Base64 handling for APIs & structured logging.

    4. Data Engineering & Cognitive Architectures
    Information Distillation:Autonomous pipelines for entropy reduction. Application of Information Bottleneck & Bayesian Surprise as relevance filters.
    Memory Management:Asymmetric memory structures (L1/L2/L3 caching) for LLMs. Extraction & consolidation of logs into persistent knowledge assets (RAG).
    DDD:Modeling according to Ports-and-Adapters pattern. Decoupling of business logic & infrastructure for maximum scalability & testability.

    5. Interdisciplinary Practice & Domain Knowledge
    Geoinformatics:Cartography and GIS design and application (self-employment).
    Visual Communication:Advertising technology and graphic design (journeyman's certificate).
    Operations:Logistics, machine operation, automation, and workflow organization (various training).

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