Mihai Adrian Mateescu - Blog Articles about AI/ML, finance, FinTech, and software engineering. https://me-mateescu.de/blog/ 2026-04-12T00:00:00.000Z Mihai Adrian Mateescu kontakt@me-mateescu.de AI-Ready Finance Data: Why Finance AI Projects Fail on Structure, Not on Models https://me-mateescu.de/blog/ai-ready-finance-data-rag-document-ai/ 2026-04-12T00:00:00.000Z 2026-04-12T00:00:00.000Z In finance, weak retrieval, fragile document automation, and low trust usually start long before model choice. The real bottleneck is structure, metadata, validation, and traceability. Mihai Adrian Mateescu kontakt@me-mateescu.de Founder Compass: Designing a Privacy-First Entrepreneurial Profiler for DACH Founders https://me-mateescu.de/blog/founder-compass-svelte5-cloudflare-workers/ 2026-02-25T00:00:00.000Z 2026-02-25T00:00:00.000Z Most founders fail not from lack of ideas, but from a mismatch between their profile and their business model. Here is how I built a tool to address that. Mihai Adrian Mateescu kontakt@me-mateescu.de Building a KoSIT-Valid XRechnung Generator That Runs Entirely in the Browser https://me-mateescu.de/blog/xrechnung-generator-local-first-en16931/ 2026-02-21T00:00:00.000Z 2026-02-21T00:00:00.000Z How I built a local-first, zero-tracking XRechnung 3.0 tool for DACH founders — compliant with EN 16931 and KoSIT v3.0, with no backend, no database, and no vendor lock-in. Mihai Adrian Mateescu kontakt@me-mateescu.de Beyond the ATS: Automating Job Fit Assessment with LLMs and Structured Outputs https://me-mateescu.de/blog/job-fit-ai-architecture/ 2026-02-15T00:00:00.000Z 2026-02-15T00:00:00.000Z A technical deep dive into extracting perfectly typed JSON data from unstructured HR text using OpenAI Structured Outputs, Zod, and Astro to flip the script on recruitment. Mihai Adrian Mateescu kontakt@me-mateescu.de A Modern Portfolio Architecture: Research Insights on Astro, Tailwind, and TypeScript https://me-mateescu.de/blog/portfolio-tech-stack/ 2025-11-13T00:00:00.000Z 2025-11-13T00:00:00.000Z A research-focused breakdown of a performant and maintainable portfolio tech stack, exploring modern frontend patterns, performance strategies, and type-safe development workflows. Mihai Adrian Mateescu kontakt@me-mateescu.de Understanding Rust Lifetimes: Concepts, Patterns, and Safe Practices https://me-mateescu.de/blog/rust-lifetimes-guide/ 2025-11-13T00:00:00.000Z 2025-11-13T00:00:00.000Z A research-driven guide to Rust's lifetime system—clear intuition, compiling examples, and safe alternatives when ownership gets tricky. Mihai Adrian Mateescu kontakt@me-mateescu.de Bridging Finance and AI: A Rigorous Approach to Machine Learning in German Accounting https://me-mateescu.de/blog/bridging-finance-ai/ 2025-11-12T00:00:00.000Z 2025-11-12T00:00:00.000Z An in-depth guide to ML in German accounting — document AI, anomaly detection, forecasting, and GoBD compliance with reproducible, audit-ready examples. Mihai Adrian Mateescu kontakt@me-mateescu.de Julia Performance Optimization: Concepts, Pitfalls, and Practical Patterns https://me-mateescu.de/blog/julia-performance-optimization/ 2025-11-12T00:00:00.000Z 2025-11-12T00:00:00.000Z A research-driven guide to writing fast, safe, and reproducible Julia code—type stability, allocations, dispatch, and disciplined benchmarking. Mihai Adrian Mateescu kontakt@me-mateescu.de Machine Learning in Accounting: Concepts, Pitfalls, and Practical Pathways https://me-mateescu.de/blog/machine-learning-in-accounting/ 2025-11-12T00:00:00.000Z 2025-11-12T00:00:00.000Z A research-driven exploration of how ML can augment accounting — from invoice intelligence to anomaly screening — with governance, explainability, and audit-ready design. Mihai Adrian Mateescu kontakt@me-mateescu.de