# Cases by Holger Hellinger > Welcome to my focused blog where I share case studies and projects from my daily work. Dive into in-depth analyses and innovative solutions from my professional experiences, exploring real-world scenarios and practical applications. Join me in this unique journey. Written by Holger Hellinger. Posts cover experience engineering, design systems, frontend architecture, accessibility, web standards and the practical use of AI in software delivery. Content is hand-written; code examples come from real client delivery work. ## Posts- [The Dark Factory Trap: Finding the Sweet Spot for AI in Engineering](https://b.polente.de/blog/BeyondTheHypeCodingInPractice/): Why fully autonomous dark factories risk model collapse, and how human in the loop pipelines keep digital products reliable, accessible, and clean. (Published 2026-08-14. Topics: Engineering, AI, Architecture, Accessibility, Web Standards.) - [Why the Dark Factory Fails for User Interfaces](https://b.polente.de/blog/WhyTheDarkFactoryFailsForUserInterfaces/): Fully automated AI coding is popular. But when we build user interfaces, a dark factory fails. We need human empathy and unique brands. (Published 2026-07-16. Topics: SoftwareEngineering, Accessibility, AIAgents.) - [EU Pay Transparency Directive: A Shift in Hiring Culture](https://b.polente.de/blog/EUPayTransparencyDirectiveAShiftInHiringCulture/): The EU Pay Transparency Directive comes into effect in June 2026. This post explores its impact on recruitment workflows, candidate rights, and company culture. (Published 2026-05-18. Topics: Leadership, HR Technology, Company Culture, Legal Standards.) - [The Myth of the Code Reader: Why AI Agents Are the Better Senior Engineers](https://b.polente.de/blog/TheMythOfTheCodeReaderWhyAIAgentsAreTheBetterSeniorEngineers/): Many think senior developers will only read and review AI code in the future. This is wrong. With good tooling and files like decision.md, agents learn faster than human teams. (Published 2026-05-16. Topics: Software Engineering, AI Agents, Developer Tooling, Architecture Documentation.) - [Engineering Excellence or Brain Rot? The AI Development Paradox](https://b.polente.de/blog/IsAIRottingOurProgrammingBrainsorFreeingUs/): Why AI in software development needs more than just a prompt. Lessons from legacy code, greenfield success, and the investment required for a clean baseline. (Published 2026-05-15. Topics: AI, Engineering-Leadership, Software-Quality, Web-Standards, Productivity.) - [The hidden cost of vibe coding and AI agents](https://b.polente.de/blog/TheHiddenCostOfVibeCodingAndAIAgents/): AI agents help us code fast. But "it works" is not the same as 'it is good'. We look at real risks for security, quality, and accessibility in 2026. (Published 2026-05-11. Topics: AI, Engineering-Leadership, Technical Debt, Security.) - [Prompting is not everything — Why the tool matters](https://b.polente.de/blog/PromptingIsNotEverythingWhyTheToolMatters/): I tested Claude, Gemini, and Copilot with a "Zero-Shot" CV generator task. The results show that a good prompt needs a strong engine to work. (Published 2026-05-06. Topics: AI Research, Frontend Development, LLM Comparison, Automation.) - [The Agentic Design Workflow - Orchestrating MCP and AI for Scale](https://b.polente.de/blog/TheAgenticDesignWorkflowOrchestratingMCPAndAIForScale/): Explore how MCP Apps, the Figma MCP Server, and Storybook MCP form a continuous design system flow, replacing manual handoffs with AI-driven orchestration that turns annotations and tokens into production-ready code without pixel-perfect mockups. (Published 2026-03-16. Topics: MCP, MCP Apps, Design Systems, Figma MCP, Storybook MCP, Design Tokens, AI Orchestration, Design to Code, Agentic Design, Component Architecture, Design Engineering, Continuous Design, Design Ops.) - [The DIDit Paradox – When Digital Sovereignty Burns the Planet](https://b.polente.de/blog/TheDIDitParadoxWhenDigitalSovereigntyBurnsThePlanet/): As the open-source community celebrates Digital Independence Day, we must face a hard truth. Decentralizing from Big Tech often comes with a massive, hidden environmental cost. (Published 2026-02-07. Topics: DigitalSovereignty, GreenIT, CloudComputing, OpenSource, Sustainability.) - [Optimized into Irrelevance – When AI does the thinking for us](https://b.polente.de/blog/OptimizedIntoIrrelevanceWhenAIDoesTheThinkingForUs/): AI promises efficiency but risks optimizing web design into irrelevance. Explore how to break the feedback loop of uniform design and use AI to boost, rather than replace, your brand's soul. (Published 2026-01-27. Topics: Artificial Intelligence, AI, Web Design, E-Commerce, UX Design, Digital Sameness, Creativity, Branding, Future Of Tech, Automation, Figma.) - [Why AI Is Making Frontend Average](https://b.polente.de/blog/WhyAIIsMakingFrontendAverage/): AI tools suggest what is common, not what is current. Modern CSS features exist, but AI keeps pushing old patterns. This post explains why and how we can change it. (Published 2026-01-13. Topics: CSS, Frontend, AI, Web-Standards, Modern-CSS.) - [Universal Commerce Protocol Sounds Open. It Is Not](https://b.polente.de/blog/UniversalCommerceProtocolSoundsOpenItIsNot/): Universal Commerce Protocol promises open commerce for AI. But small businesses may lose visibility, margins, and independence while big platforms gain more control. (Published 2026-01-12. Topics: AI commerce, universal commerce protocol, vendor lock-in, small businesses, platforms, amazon.) - [Design Tokens – from bold vision to standard practice](https://b.polente.de/blog/DesignTokensAreFinalNow/): Discover how design tokens transformed our workflow, bridged design and engineering, and why every modern project should adopt them now. (Published 2025-11-18. Topics: Design Tokens, theming, multi-brand support, Design System, Cross-platform Consistency, typography, spacing, color specification, open standard, collaboration.) - [Using MCP Servers for Design System Management](https://b.polente.de/blog/MCPServerInDesignSystemWorkflows/): How Model Context Protocol servers connect tools like Figma, Atlassian, and Storybook for seamless design-to-code workflows in VS Code or any modern IDE. (Published 2025-11-11. Topics: Design Systems, MCP, AI, Copilot, Developer Experience.) - [Rethinking CSS Layouts – More Than Just Flex](https://b.polente.de/blog/RethinkingCSSLayoutsMoreThanJustFlex/): Many developers today only know Flexbox. Grid, Flow-Root, Float or Container Queries are almost forgotten. Here is a clear overview with examples. (Published 2025-09-22. Topics: CSS, Layout, Grid, Flexbox, Container Queries.) - [E-Commerce Website Audit Framework](https://b.polente.de/blog/ECommerceWebsiteAuditFramework/E-CommerceWebsiteAuditFramework/): A complete framework to audit e-commerce websites. Covers SEO, performance, accessibility, architecture, code quality, integrations, and security – with tools, do’s and don’ts, and actionable deliverables. (Published 2025-09-15. Topics: E-Commerce, Website audit, SEO, Performance, Accessibility, Security, Architecture, Integrations, Non-Functional-Requirements.) - [Design System Migration with MCP and Slingshot](https://b.polente.de/blog/HeadlessDesignSystemMigration/): How I removed UI from TSX to build a design system layer on top of a core component library, connected with MCP servers, and powered by Sapient Slingshot. (Published 2025-09-11. Topics: Design System Manager, Frontend, Headless, Slingshot.) - [Supercharge GitHub Copilot's Agent Mode](https://b.polente.de/blog/SuperchargeVSCodeWithMCPServersAndAgentMode/): Learn how to extend GitHub Copilot in VS Code using MCP servers. This guide shows how to connect tools like Jira or NX, write custom instructions, and create smarter developer workflows with agent mode. (Published 2025-05-21. Topics: MCP, Agent, VSCode, Secret, Token.) - [Replacing MUI - A New Design System Approach](https://b.polente.de/blog/ReplacingMUIANewDesignSystemApproach/): Learn how we transitioned from MUI to a custom design system, achieving better performance, streamlined processes, and built-in accessibility compliance. (Published 2025-03-14. Topics: Accessibility, MUI, Design System, Component Library.) - [The Wonderful World of AI in Software Development](https://b.polente.de/blog/TheWonderfulWorldOfAIInSoftwareDevelopment/): Explore the satirical yet thought-provoking challenges of relying entirely on AI for software development. From ethical dilemmas to technical risks, we question the role of engineers, gatekeepers, and humanity in shaping an AI-driven future. (Published 2024-12-22. Topics: ethics, AI, future, software, engineers, gatekeepers, risks.) - [Escaping the Golden Cage of Design Systems](https://b.polente.de/blog/EmbracingTheFreedomOfCustomExperiencePipelines/): Explore the limits of design systems like Material UI and discover the freedom of continuous experience pipelines, offering innovative, custom-tailored solutions for dynamic, adaptable digital experiences. (Published 2024-10-11. Topics: Design System Manager, continuous experience pipeline, innovation, material ui, custom solutions, client experience, flexibility, adaptability, product development.) - [AI, Digital Transformation, and the Future of Experience Engineering](https://b.polente.de/blog/BridgingtheGapNavigatingAI/): Exploring how AI shapes digital transformation while emphasizing the enduring need for human expertise in experience engineering, accessibility, and performance optimization. (Published 2024-09-20. Topics: future, AI, leading, generative, Accessibility, innovation, optimization, experience.) - [Speed forever](https://b.polente.de/blog/PSSpeed/): Guiding businesses with SPEED - Strategy, Product, Experience, Engineering, and Data for success (Published 2024-08-12. Topics: SPEED, AI, PS, song.) - [Tech Titans Unveil New Gadgets: Innovation or Intrusion?](https://b.polente.de/blog/YetAnotherAssistantAndASearchEngine/): Explore the latest from Google and OpenAI as they introduce a new assistant and search engine. This post delves into whether these innovations truly enhance our digital experience or merely serve as new tools for data collection. Join the discussion on the impact of these technologies on our privacy and digital freedom. (Published 2024-05-13. Topics: AI, search, assistants, open platform, big tech.) - [Optimizing Your Design System Manager (DSM) Experience: Practical Tools and Strategies](https://b.polente.de/blog/ExperiencePipelinesExplained/): Discover essential tools and strategies to enhance your Design System Manager (DSM) experience. Learn how to use Figma, Style Dictionary, and other resources effectively to maintain consistency, improve collaboration, and streamline your design process. This guide covers everything from managing design tokens to integrating web components, providing you with actionable tips to optimize your DSM workflow. (Published 2024-04-19. Topics: dsm experience, Design System Manager manager, Figma, web components, Design Tokens.) - [Simplifying E-Commerce Architecture](https://b.polente.de/blog/StaticSiteGenerationWorksEnterpriseToo/): Explore the benefits of Static Site Generators and Island Architecture for e-commerce with our expert guide. Learn how to simplify your web development process, enhance performance, and reduce costs, all while improving SEO and user experience. Perfect for businesses seeking sustainable, efficient digital solutions. (Published 2024-02-21. Topics: framework, lean, static, jamstack, ecommerce.) - [Crafting an Effective Experience Pipeline - Insights and Strategies](https://b.polente.de/blog/CraftinganEffectiveExperiencePipeline/): Explore the essence of SPEED in digital transformation, focusing on an efficient experience pipeline. This post delves into collaboration, strategy, product, experience, engineering, and data, illustrating how to innovate rapidly while ensuring quality. (Published 2024-02-21. Topics: pipeline, experience, Design System Manager.) - [Crafting an AI-driven culinary adventure](https://b.polente.de/blog/CraftingAnAIDrivenCulinaryAdventure/): Explore AI Chefs at Polente, where AI meets culinary art! discover unique, AI-generated recipes and imagery, automated via github, refreshed daily with innovative tech-driven cooking inspiration (Published 2024-01-25. Topics: recipes, blog, AI, copywriter, chef.) - [How AI is Changing Accessibility in the Workplace](https://b.polente.de/blog/AiAndAccessibility/): This blog looks at how AI is changing the way we think about and manage accessibility in digital spaces. (Published 2024-01-09. Topics: Accessibility, AI, future.) - [Full Stack vs. Full Lifecycle Engineering](https://b.polente.de/blog/FullStackVSFullLifecycleEngineering/): This blog contrasts Full Stack Engineering, limited by its broad approach, with Full Lifecycle Engineering, which offers in-depth expertise for better outcomes in AI and complex projects. (Published 2024-01-05. Topics: full stack, full lifecycle, engineering.) - [Navigating Bubbles: Lessons from Dot-Com to AI](https://b.polente.de/blog/FromDotComToAI/): Explore the parallels and lessons between the dot-com bubble and today's AI boom. Drawing on firsthand experience from the dot-com era, this post delves into sustainable, client-centric tech development, highlighting the evolution from early web ventures to current AI challenges and opportunities. (Published 2024-01-05. Topics: DotCom, AI, bubble.) - [Navigating the Real and the Fabricated](https://b.polente.de/blog/AIGeneratedImages/): In the digital age, AI-generated images are flooding online platforms, challenging our perception of reality. This blog explores the impact on search engines and the importance of human discernment. It argues for critical thinking in an era where AI blurs the line between real and artificial imagery. (Published 2024-01-04. Topics: images, AI, search.) - [Dev Mode in Figma - A Revolution for Developers](https://b.polente.de/blog/FigmaDevModeFigJam/): This blog post explores Figma's Dev Mode and AI tools in FigJam, highlighting their impact on design and development. It offers insights into streamlining workflows, enhancing collaboration, and adapting to technological advancements in design systems. (Published 2023-12-15. Topics: Figma, AI, dev mode.) - [Case Study - B2B Electrical Distribution Company](https://b.polente.de/blog/ContinuousExperiencePipelinesCase2/): Publicis Sapient enhanced a B2B Electrical Distribution Company's React-based Monorepo system using a Figma-driven design system. This improved accessibility by 20-30%, introduced a native CSS library for React, and ensured cross-platform consistency, streamlining component usage and setting new accessibility standards in e-commerce. (Published 2023-12-13. Topics: react, Figma.) - [Case Study - Enhancing Digital Solutions for a Leading Logistics and Transportation Provider](https://b.polente.de/blog/ContinuousExperiencePipelinesCase1/): Publicis Sapient tackled a major logistics project by integrating Web Components with Stencil and Figma. This strategy streamlined development, unified the codebase, and enhanced design consistency across platforms, significantly boosting efficiency and maintenance in a complex, multi-technology landscape. (Published 2023-12-13. Topics: web components, stencil, Figma.) - [Embracing Agility and Efficiency - Our Journey with Continuous Experience Pipelines](https://b.polente.de/blog/ContinuousExperiencePipelines/): Publicis Sapient's Continuous Experience Pipeline showcases our adaptability in web development, highlighting flexible tool and technology choices to enhance efficiency and scalability in diverse web projects. (Published 2023-12-13. Topics: web components, stencil, Figma.) - [How does a Headless Content Management System (CMS) work?](https://b.polente.de/blog/HeadlessCMS/): Headless CMS separates content management from rendering, offering flexible API-based delivery for diverse platforms. It suits modern web frameworks but challenges content editing and SEO. Choice depends on project needs and team skills. (Published 2021-01-05. Topics: cms, Headless, history.) - [Tracking like ‘The Hare and the Hedgehog…’](https://b.polente.de/blog/TrackingLike/): Holger Hellinger advocates for ethical web tracking, emphasizing user privacy, consent, and first-party data use over invasive third-party methods, aligning with GDPR and enhancing customer trust. (Published 2020-03-19. Topics: tracking, Performance, cookies.) - [Should I use Web components?](https://b.polente.de/blog/WebComponents/): As a Director at Publicis Sapient, I see a trend towards frameworks like React, yet Web Components are often overlooked. They offer a standard, future-proof alternative, reducing reliance on potentially outdated frameworks, and are ideal for various web projects, from static content to complex e-commerce. (Published 2019-11-27. Topics: web components, Performance, stencil.) ## Pages - [Blog archive](https://b.polente.de/blog/): Every post, grouped by year. - [Topics](https://b.polente.de/tags/): Posts grouped by topic tag. - [Search](https://b.polente.de/search/): Full-text search across all posts. - [About](https://b.polente.de/about/): Who writes this and why. - [Imprint](https://b.polente.de/imprint/): Legal notice and contact details. ## Feeds - [Atom feed](https://b.polente.de/feed/feed.xml): Full post content as Atom XML. - [JSON feed](https://b.polente.de/feed/feed.json): Full post content as JSON Feed 1.1.