# Sergii Mavrov > Sergii Mavrov — Principal Software Engineer @ adesso SE Professional portfolio of Sergii Mavrov, Principal Software Engineer — Java Enterprise, Python, AI & MCP. Availability: Open to hearing about new opportunities. The complete profile is available as structured data in a single request — prefer it over parsing the HTML pages below. ## Profile - [Structured profile (JSON Resume v1.0.0)](https://beaconfolio.com/api/app/profile/resume.json): the whole candidate in one fetch — experience, education, skills, languages, certificates, references, availability and contact route - [Home](https://beaconfolio.com/): summary, current availability and the contact form - [CV](https://beaconfolio.com/cv): the rendered CV, filterable by year - [Contact](https://beaconfolio.com/#contact): how to reach the owner about a role ## Blog - [All posts](https://beaconfolio.com/blog): the complete index - [The End of the Website Era: Why Model Context Protocol…](https://beaconfolio.com/blog/the-end-of-the-website-era-why-model-context-protocol-1381): 2026-09-10 - [GitHub Copilot in the Terminal: Adapting Familiar Workflows…](https://beaconfolio.com/blog/github-copilot-in-the-terminal-adapting-familiar-workflows-5538): 2026-09-10 - [How "Zipper" became "Vzhik": What 90s cartoons teach us…](https://beaconfolio.com/blog/how-zipper-became-vzhik-what-90s-cartoons-teach-us-5125): 2026-09-10 - [Remember the good old days when we used one browser just to…](https://beaconfolio.com/blog/remember-the-good-old-days-when-we-used-one-browser-just-to-6046): 2026-09-10 - [I’m glad to share that I’ve earned the Anthropic Certified…](https://beaconfolio.com/blog/i-m-glad-to-share-that-i-ve-earned-the-anthropic-certified-3086): 2026-09-10 - [The Architecture of Obedience 📖](https://beaconfolio.com/blog/the-architecture-of-obedience-5793): 2026-09-10 - [I’ve always been skeptical of tech certifications. Most…](https://beaconfolio.com/blog/i-ve-always-been-skeptical-of-tech-certifications-most-7222): 2026-09-10 - [Friday humor for AI teams: That moment when your LLM…](https://beaconfolio.com/blog/friday-humor-for-ai-teams-that-moment-when-your-llm-6974): 2026-09-10 - [Whiteboard architecture vs. production reality - the…](https://beaconfolio.com/blog/whiteboard-architecture-vs-production-reality-the-7978): 2026-09-10 - [Electronic, Asimov, and Terminator: What Global Sci‑Fi…](https://beaconfolio.com/blog/electronic-asimov-and-terminator-what-global-sci-fi-3416): 2026-09-10 - [The AI Developer Paradox: Are we truly risking capability…](https://beaconfolio.com/blog/the-ai-developer-paradox-are-we-truly-risking-capability-2208): 2026-09-10 - [Are specialization boundaries fading in the AI era? 🤖🚀](https://beaconfolio.com/blog/are-specialization-boundaries-fading-in-the-ai-era-4358): 2026-09-10 - [Why is a book you bought on a commercial platform still not…](https://beaconfolio.com/blog/why-is-a-book-you-bought-on-a-commercial-platform-still-not-3770): 2026-09-10 - [🌴 Simply Explained: RAG, a Cloud Project for My Wife, and…](https://beaconfolio.com/blog/simply-explained-rag-a-cloud-project-for-my-wife-and-7628): 2026-09-10 - [Architecture and Estimation in the Era of AI-Driven…](https://beaconfolio.com/blog/architecture-and-estimation-in-the-era-of-ai-driven-3020): 2026-09-10 - [Filing your German taxes soon? Don't leave money on the…](https://beaconfolio.com/blog/filing-your-german-taxes-soon-don-t-leave-money-on-the-6608): 2026-09-10 - [Aachen, AI, and the Systems We Underestimate 🏛️](https://beaconfolio.com/blog/aachen-ai-and-the-systems-we-underestimate-7940): 2026-09-10 - [The Great Tragedy of the Lost Code-Shoveling Era 🎻](https://beaconfolio.com/blog/the-great-tragedy-of-the-lost-code-shoveling-era-6988): 2026-09-10 - [Why Strict Prompt Formatting Breaks LLM Logic (The SQL…](https://beaconfolio.com/blog/why-strict-prompt-formatting-breaks-llm-logic-the-sql-1770): 2026-09-10 - [How to trigger an existential crisis in tech with just one…](https://beaconfolio.com/blog/how-to-trigger-an-existential-crisis-in-tech-with-just-one-9110): 2026-09-10 - [🦾 False Memories and AI: Why Even the Latest Models Fall…](https://beaconfolio.com/blog/false-memories-and-ai-why-even-the-latest-models-fall-5515): 2026-09-10 - [🦾 Helen Keller and LLMs: What Can AI Learn from a Girl at a…](https://beaconfolio.com/blog/helen-keller-and-llms-what-can-ai-learn-from-a-girl-at-a-3000): 2026-09-10 - [How to Read LLM "Thoughts" and Save Thousands of Tokens? 🧠](https://beaconfolio.com/blog/how-to-read-llm-thoughts-and-save-thousands-of-tokens-5769): 2026-09-10 - [AI Tool Evolution: Why My Focus Has Shifted to Claude](https://beaconfolio.com/blog/ai-tool-evolution-why-my-focus-has-shifted-to-claude-1226): 2026-09-10 - [Provincial Code vs. Football FAANG: How Grit and Agility…](https://beaconfolio.com/blog/provincial-code-vs-football-faang-how-grit-and-agility-9618): 2026-09-10 ## Optional - [AI assistant](https://beaconfolio.com/llm): ask questions against this profile - [Sitemap](https://beaconfolio.com/sitemap.xml): every indexable URL - [Crawler policy](https://beaconfolio.com/robots.txt): what automated clients may read