Engineering coaching
Helping developers level up where AI stops: architecture and judgment
Hi, I'm Bob Belderbos and I coach developers on their own real projects. AI can generate the code, but it's at the architectural and decision boundaries that people seek out my help to get to the next level.
A plan built for you, real projects, human guidance
I meet you where you are
No fixed curriculum. I find where your gaps are and we work from there. First real app or fifteen years in, you get the same attention and a plan built around your goal.
Read student stories →You build one real thing
Not exercises. A real project deployed for actual users: things like a payroll SaaS with paying clients, a legal citation tool for Canadian courts, a distributed lock over gRPC, a published pytest plugin.
See what they shipped →Detailed code reviews
Some people claim they don't read code anymore. I think code reviews are still critical to prevent architecture drift and as an opportunity to teach important lessons in building maintainable software.
Why I review every PR myself →The three pillars of modern software development
Decision-making
Software has always been about the choices, not the coding per se: what to build, what to skip, what breaks later. AI makes the implementation cheap and the choices matter more.
Read →The control layer
The model is the easy part. The engineering is the layer around it: the patterns that make a nondeterministic tool behave the same way every time.
Read →Design over code
The productivity is in the questions you ask before coding. One student's 1,069-line AI app became 156 lines once the design was right.
Read →What developers say after working with me
“Bob is a great coach who helped me make the transition from knowing how to code to building full-stack applications from idea to deployment — including an F1 dashboard platform built with FastAPI and a movie and anime discovery platform built with Django. He brings deep experience to his mentorship program, teaching best practices and how to manage the inevitable hard parts that come with the job, like error handling and refactoring code into something maintainable.”— Daniele E. · Built an F1 dashboard and a movie/anime discovery platform
“I was building a full-stack application mostly through AI-assisted coding and needed guidance to take it from proof of concept to production. Bob coached me through the parts I couldn’t validate on my own: Django settings architecture, payment security, error handling patterns, query optimization. He reviewed my codebase thoroughly, explained why things mattered, and helped me build a concrete testing strategy. More than anything, his coaching gave me the confidence to actually ship.”— Luca S. · Founder · Took a proof of concept to production SaaS
“Bob encourages you not to wait for 100% — push iterative improvements. Two of my three apps are now in production and got good recognition among my peers.”— Manoj K. · USA · 10+ years IT, apps now in production
“Six years later, I can see that doing the coaching was a great decision. I learned to write clean, well-tested, production-ready code and to think critically about my work. In January I was promoted to Senior AI Engineer and became a team coordinator — both were in my plan, though I wasn’t sure I could do it.”— Piotr R., Senior AI Engineer at Lingaro · Coached in 2020
“I grew more in a few weeks than I would have in 2+ years by myself. After years of dreaming of personal projects, I finally built an API, a Django app, and an AI-powered CLI tool.”— Kishan P., Data Engineer · Built 3 apps
“I’d maxed out every book and online course — Coursera, Udacity, Udemy — and hit a wall I couldn’t break through on my own. I expected to build one app. I shipped three.”— Joshua E. · Product manager to senior software engineer, now leading AI development
“I didn't just learn how to code — I learned how to think like a developer. I now feel comfortable working across the full stack. More importantly, I feel like a real developer.”— Christina L. · From scripter to full-stack developer
“Three months ago I was literally writing ‘Hello World’. I went from basic scripts to launching a full-scale SaaS payroll application in three months. I just landed my first real business client who ran their entire payroll using my app. Seeing someone have that trust and confidence in something I built is surreal.”— Ryan A. · Built and launched thepayroll.app
Mastery over hype
Featured articles
"Rust Is for People Who Want to Be Punished." Now Jochen Trusts It More Than Python.
Jochen thought Rust was self-punishment for the pros. Three months later, his hand-rolled JSON parser ran up to 3.5x faster than CPython.
Read →How to Keep Your Developer Instincts When AI Writes the Code
AI agents will write your code if you let them. Here's the deliberate practice routine I use to stay technical when AI increasingly writes code for me.
Read →From Hobby Code to SaaS to Orchestrating AI Agents
Ryan Austin ships payroll software in the Bahamas. In 2021, he couldn't tell if his architecture was sound. In 2025, he's directing AI agents with confidence. The foundation made the difference.
Read →Become the engineer who owns the system.
Tell me what you're working on and what's standing in the way to reach your goal.
Prefer getting on a call to talk it through? Book a free call →
“Six years later, I can see that doing the coaching was a great decision. In January I was promoted to Senior AI Engineer and became a team coordinator.” — Piotr R., Senior AI Engineer at Lingaro
