PierreHenry.Dev Tech Show

Every small improvement compounds. Look, I used to think real progress only came from massive leaps. Long coding sessions, major refactors, shipping entire features in one go. Turns out, that is not how growth actually works, especially as a software engineer. What actually moves the needle: daily micro-actions. Small, deliberate steps that do not feel impressive in the moment but add up over time...

Everyone talks about MCP in AI, but most explanations are actually quite confusing. In this video, I explain what MCP really is , using an ELI5 approach. You'll understand why it matters to understand it well, what problem it solves, and how it helps AI use tools and context properly. So what is an MCP? Let me break it down simply. MCP stands for Model Context Protocol. It’s basically a bridge bet...

Clean code practices that separate great engineers from the rest . This video covers key principles, tips, and habits for writing maintainable, readable, and bug-resistant code that helps you tackle bigger projects, improve delivery speed, and advance your career. I’ve developed numerous projects on my GitHub over the years . Feel free to browse them for inspiration or to contribute! I’ve prepared...

Most engineers struggle to explain their insights… In this Substack video, I show you how to make your data science results super clear and persuasive , using Jupyter Notebook and R Markdown. Thanks for reading The Healthy Scientist: Build Using AI With Healthy Habits 🔥! Subscribe for free to receive new posts and support my work. I designed numerous projects on my GitHub over the years. Feel fre...

True impact comes from much more than just writing code or simply completing tasks. In this video, I share how to take pride in your work, embrace full responsibility, and approach every project with an AI-first, product-centric mindset. Learn how to create solutions that truly matter, stay obsessed with delivering excellence to the end-user, and focus on product quality to become the engineer who...

Real progress comes from doing, not overthinking. In this video you’ll see how small, consistent actions can help you grow as a software engineer and make better decisions in your work. Look, I’ve seen so many talented engineers stuck in analysis paralysis. They’re constantly reading about the best architecture patterns, watching tutorials, planning the perfect approach... but they’re not actually...

TL;DR After spending quite some time exploring various engineering topics and building impactful projects while keeping healthy habits, today I am taking a break to focus on a new chapter. Taking a Break to Focus on What's Next After quite some time writing about AI, research, and building with healthy habits, I'm stepping back from content creation. What Changes ✓ All existing posts remain availa...

A reflection on what genuinely helps engineers grow. It is not about knowing everything but about recognising when your approach no longer fits, adjusting your skills, and staying open to change. When you learn to adapt your habits and use the right skills at the right moment, your work becomes clearer, quicker, and far more meaningful . You start solving problems with more confidence, making bett...

Most side projects fade. This one didn’t. In this video, I explain how choosing meaning over hype changes how you build, why you stay consistent, and what finally makes a project worth finishing instead of abandoning halfway through. We’ve all been there. You see a trending framework on Twitter, get excited, start a new project, build for three days, then... it just sits there. Unfinished. Forgott...

If you feel like you’re learning slower than others…, this one is for you! I’ll share the exact mindset and structure to develop a learning loop that accelerates your progress, project after project. I used to watch other engineers pick up new technologies seemingly overnight whilst I struggled for weeks with the same concepts. It felt rubbish, honestly. Like everyone had some secret learning abil...

In this video, I explain why the best engineers never start by coding. Look, I get it. You have an idea, you’re excited about it, and your fingers are itching to open your IDE and start hammering out code. I’ve done this countless times myself. But here’s the thing: that’s usually how you end up with a complete mess three weeks later, wondering why nothing works the way you imagined it would. The...

In this video, you’ll see the real skills that matter now that AI is changing engineering work. These are the abilities that keep you valuable, relevant, and ahead of the curve. If you want to stay competitive, this is the checklist that actually counts. As we know, AI is changing our industry faster than most people realise . If your main skill is writing boilerplate code or implementing basic fe...

This video explains how software engineers can create an amazing user experience while building products . You will learn how to think from the user’s point of view, reduce friction, simplify flows, and design features that feel pleasant and intuitive. These principles help you ship products that users enjoy from the very first interaction. Thanks for reading The Healthy Scientist: Build Using AI...

A clear look at the key risks software engineers face when working with AI tools. Look, AI tools are brilliant. They speed up development, help you write boilerplate faster, and can even suggest solutions you hadn’t thought of. But there’s a trap here that too many engineers are falling into, and it’s worth talking about. From over-trusting outputs to losing technical depth, this video explains wh...

Most engineering challenges aren’t just technical. They start in your mind. This video explores how the Pygmalion effect influences the way software engineers perceive problems and how shifting your mindset can make you more effective, creative, and confident in tackling any coding challenge. Look, here’s what actually happens: if you tell yourself “I’m not good at systems design” or “I’ll never u...

Most engineers rush to solutions without seeing the real issue . In this video, I show you how to slow down, think deeper, and fix problems that matter the most! Thanks for reading The Healthy Scientist: Build Using AI With Healthy Habits 🔥! Subscribe for free to receive new posts and support my work. You can get inspired by the open-source projects I’ve built over the past several years, availab...

Breaks are not wasted time. They refuel your focus, sharpen your thinking, and help you solve harder problems with way less effort. This video shows why valuing rest can make you a stronger engineer in the long run. Look, we’ve all been there. You’re stuck on a bug for hours, grinding away at your desk, convinced that if you just push a little harder, the solution will click. But here’s the thing:...

Repetition slows developers down. As a software engineer or data scientist, templates help you cut out the busywork, reduce errors, and boost your coding/prompt speed . In this video, I’ll walk you through how to set up and use templates that streamline your daily workflow so you can focus on solving problems that really matter. 🏆 Get inspired by open-source projects I’ve built over the past year...

Quick, actionable advice to level up your coding, sharpen your mindset, and optimize your workflow as a software engineer. Learn what actually separates great developers from good ones in today’s AI-driven world, and how to apply those insights to your own work right now. No fluff, no theory you’ll never use. Just practical strategies you can implement today to write better code, think more clearl...

In this video, you will learn how to develop the mindset and habits that help engineers build ambitious AI systems. This is about building the drive, confidence, and clarity needed to create work that stands out in a world shaped by AI. Thanks for reading The Healthy Scientist: Build Using AI With Healthy Habits 🔥! Subscribe for free to receive new posts and support my work. I’ve built many proje...

Struggling to stay on top of tasks and goals ? Does this sound familiar? In this Substack video, I explore with you how creating effective systems in your daily life can literally transform the way you work and live (personally and professionally). You will learn every practical step to organise your routines, boost focus, and make lasting improvements without relying on sheer willpower. Thanks fo...

Let’s face it, having repositories scattered everywhere on your machine is a mess. Some in Documents, others on your Desktop, a few in Downloads because “it was just a quick clone”... You get the idea. The problem is that most developers don’t think about folder organization until they have 50+ repositories in random locations. Then, every time you need to jump into a project, you’re playing the g...

Managing a large codebase can feel overwhelming, especially in fast-moving teams. Let’s be honest: keeping thousands of lines of code clean, scalable, and maintainable while staying sane? That’s the real challenge. In this video, I share the proven strategies and real-world habits that senior engineers actually use to tackle massive codebases without burning out. You’ll learn how to break down com...

Startups look exciting from the outside, but the reality? It’s a whole different beast. Behind the fast pace and big ambitions, you quickly learn what true ownership actually means, how to thrive in constant chaos, and how that pressure can accelerate your growth in ways a stable job never could. Here’s what working as an engineer in a fast-moving startup taught me. Subscribe for free to receive n...

AI tools can save you five hours a day when you let them handle the slow, tedious parts of your work . Tools like Claude Code, OpenAI Codex, Cursor, ChatGPT, and Perplexity don’t just speed things up. They fundamentally change how you work. They help you write better code, explore ideas faster, debug tricky issues, document your work clearly, and plan entire features without endless guesswork or t...