Cases and more

Welcome to my blog! My Name is Holger Hellinger. As a Director of Experience Engineering at Publicis Sapient, I bring over 20 years of expertise in leading dynamic teams and managing innovative web projects. This space is where I'll share case studies, code snippets, and insights into creating user-centric, accessible web experiences. Dive into my world of Agile project management, web design, SEO, and effective CMS scaling. Join me in exploring the intersection of technology and leadership, and how these elements combine to forge exceptional digital experiences.

Latest 4 Posts

1. The Myth of the Code Reader: Why AI Agents Are the Better Senior Engineers

   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.

   16 May 2026 1 min read

   • Software Engineering
   • AI Agents
   • Developer Tooling

2. Engineering Excellence or Brain Rot? The AI Development Paradox

   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.

   15 May 2026 3 min read

   • AI
   • Engineering-Leadership
   • Software-Quality

3. The hidden cost of vibe coding and AI agents

   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.

   11 May 2026 6 min read

   • AI
   • Engineering-Leadership
   • Technical Debt

4. Prompting is not everything — Why the tool matters

   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.

   6 May 2026 3 min read

   • AI Research
   • Frontend Development
   • LLM Comparison

32 more posts can be found in the archive.