Go From "I Write Code" to "I Build Scalable Systems"
Go From "I Write Code" to "I Build Scalable Systems"
Bridge the gap between Go coding concepts and building real world systems.
31 modules • Direct instructor support • Lifetime access • Full source code •
Free future updates • Final project
The Knowledge Gap That Nobody Talks About
I remember THE hurdle like it was yesterday.
After learning my first programming language, I was stuck in limbo for months. I was learning coding concepts, understanding the theory, even building small programs — but there was this void between where I was and where I needed to be.
I had no idea what I was supposed to learn to go from code snippets and building and tinkering with small programs to autonomously building the things companies actually hire for.
How, where, and when were all of these theories and coding concepts supposed to come together to make something meaningful?
The Unpleasant Reality
The brutal truth is that most people never make the jump. They stay stuck in an endless loop — finishing one tutorial, starting another, building the same to-do app for the fifth time, convinced that the next course is the one that finally makes it make sense.
Meanwhile the clock is ticking. Every month you spend going in circles is another month you’re not building the portfolio that gets you hired. Another month watching other developers — who aren’t necessarily smarter than you — land the jobs and the salaries you’re after.
And the worst part? It’s not your fault. Nobody ever showed you the bridge. The tutorials walk you through the syntax. But nobody shows you how it all comes together into something real — something a company would actually pay for.
That’s the gap that keeps most developers stuck at the starting line indefinitely.
But I have a secret to tell you...
What if I told you that one course could get you over THE hurdle?
Sounds too good to be true right?
Well it’s not. Because the solution is very simple. It’s one of those hiding in plain sight things.
You simply need to STOP building toy projects.
Start applying those coding concepts that you learn in isolation to something real.
Because the fastest way to understand how everything fits together is to actually build something that exists in the real world.
And at this point you are probably thinking, “that’s easier said than done” and you’re right…
It is.
But that’s what I’m here for! I’m going to teach you a course in such a way that by the end…
you WILL be over THE hurdle.
Because you see, when I was going through this same hurdle almost a decade ago, I realized something…
And that realization went on to shape my style of teaching.
And the best part?
That style of teaching has evolved into a technique that has helped hundreds of thousands of people achieve their learning goals.
Why Developers Learn Faster With My Courses
I typically use a three step process to explain complex topics in a way that is easy for the learner to understand.
The result is that learners who once felt overwhelmed gain clarity, confidence, and momentum.
But don't just take my word for it.
I was thinking what the heck!!!! This guy explained simply, intuitively, interactively and visually. I really respect and love people, who explains the complex topics like as those topics are not complex.
Excellent tutorial. There are lot of very smart developers around, but very few who can teach a relatively complex subject in an easy fashion. Kudos, and keep posting.
One of the best I've seen. You are the rare type that can take complex concepts and explain them so well. I hope you continue to make this kind of great content!
Fantastic. It is extremely rare to come across this level of concise and easy to follow explanation.
What You'll Build
Throughout this course, you will build a production-style distributed payment system. This system is derived from my experience working at PayPay, the largest payment-processing fintech company in Japan serving over 70 million users.
This is the actual architectural diagram of the distributed system that we will be building.
A secure auth system using both Basic Auth and JWTs to protect your endpoints, manage user access, and handle the kind of real-world authentication flows you'll encounter in every production codebase.
The Dockerfiles and Kubernetes manifests that define your entire infrastructure — you'll learn how to write and manage your infrastructure as code, so your system can be versioned, reproduced, and deployed the same way every single time.
The communication backbone of your application — you'll learn how to build synchronous flows for operations that need an immediate response, and asynchronous flows for operations that can be processed in the background, so your system stays responsive and efficient under load.
The data layer of your entire application — you'll learn how to design your schema, implement your database, handle transactions, and protect against race conditions so your data stays consistent and reliable under real-world conditions.
The APIs that power communication between your services — you'll learn how to design and implement gRPC APIs so your system is fast, strongly typed, and built to scale the way production distributed systems should.
Your Instructor
Georgio Tunson
Software Engineer, EducatorI’ve spent 7+ years working professionally across Go, Python, JavaScript, Java, and DevOps — including four years as a Backend Distributed Systems Engineer at PayPay Corporation, where I helped build and maintain systems serving over 70 million users.
I’ve also been teaching for over a decade. My YouTube content has accumulated almost 5 million views with a 97.4% positive rating across nearly 200,000 ratings, and my courses on freeCodeCamp — covering Big O Notation, Python, and Go — have generated over 1 million views on their channel.
14-Day Risk-Free Guarantee
You can try this course for 14 days. If it’s not the right fit, you can receive a full refund—no questions asked.
1 TIME PURCHASE
$149
Frequently
Asked Questions
You don't need any experience with Go — you'll pick it up as you go. However, you should be comfortable with at least one programming language before taking this course, as we won't be covering programming fundamentals.
Not at all! The course is designed to teach you both from the ground up. As long as you're comfortable with at least one programming language, you'll be well equipped to jump in and follow along.
If you're comfortable with at least one programming language, you're ready for this course. You don't need any experience with Go or distributed systems — we'll cover everything from the ground up. That said, this isn't a beginner programming course, so if you're still learning the basics of coding, it might be worth getting those foundations solid first.
No. Prior experience with Docker, Kubernetes, or cloud platforms is not required. The course is designed for developers who want to learn microservices fundamentals first. Any supporting tools or technologies used in the course will be explained as needed.
The course is completely self-paced — learn whenever and wherever suits you, no deadlines or schedules to worry about!
The course is designed to be completed at your own pace. It will take a minimum of one week to complete the course if you are spending a couple of hours a day since the content is very technical. Completion time can range from a few days to a couple of weeks depending on their prior programming experience and the amount of time they dedicate to practice. You'll have ongoing access to the course materials, allowing you to revisit lessons whenever needed.
Yes. The entire course is a hands-on project which is critical to my teaching style. It includes practical exercises that guide you through building out an entire Microservice in Go. You'll have access to source code via github and implementation walkthroughs so you can follow along, experiment, and reinforce your understanding through hands-on practice.
This course focuses on building a strong foundation in microservices using Go. You'll learn core concepts, architecture patterns, API development, and service communication. While the course introduces industry best practices, its primary goal is to help you understand and build functional microservices before moving on to more advanced production topics such as orchestration, observability, and large-scale deployments.
The course includes video lessons, text content, and quizzes, all leading up to a final at the end of the course which will be reviewed by me.
You'll be building one big project from start to finish — a production-ready distributed payment system that comes together piece by piece as you progress through the course.
By the end of the course, you'll understand the fundamentals of microservice architectures and be able to create, deploy, and connect basic microservices in Go. You'll gain practical experience building APIs, handling service-to-service communication, designing and making use of infrastructure as code (IaC), and applying common microservice design patterns in the real world which is invaluable for career progression.
Absolutely! The project is built to production standards, so it's something you can genuinely deploy and be proud to show employers. It's not just a toy example — it's the kind of real-world project that stands out in a portfolio.
Any modern computer should work. The course is taught on macOS, and most things transfer directly to Linux. Windows users may need to find equivalent commands in some places, but it's still very doable.
You're never on your own! You can reach me directly via email or Discord, and I'm always happy to help. Every module also has its own comment section where I actively answer questions, so don't hesitate to ask — no question is too small.
It means you get direct access to me personally — not a support team or AI bot! You can reach me through Discord DMs, email, or the comment section on each module. I'll do my best to get back to you as quickly as possible.
Yes! At checkout you'll have the option to split your payment into installments using Affirm, Afterpay/Clearpay, Klarna, Scalapay, or Zip. With buy now pay later, you get immediate access to the full course the moment you check out — there's no waiting. Availability and which providers are available depends on your country.
Full details on how to claim your refund can be found on our refund policy page.
Lifetime access means you'll have access to the course for as long as the platform is running. In the unlikely event that anything ever changes, we're committed to making sure you don't lose out on what you paid for — we'll always find a way to get you your content.