About Björn
German
Native or bilingual
English
Fluent
Polish
Basic
French
Basic
Experience
- Antarktis VerlagCEOPUBLISHINGJuly 2009 - Today (17 years and 1 month)Radeberg, GermanyIT Competencies & System Architecture1. System Architecture and InfrastructureResilient 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 ProcessingLLM 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/UXFrontend 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 ArchitecturesInformation 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 KnowledgeGeoinformatics: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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