
Understand the basic building blocks of a computer — CPU, RAM, cache, and storage — and how they work together to execute programs.
Follow the journey from typing a URL into your browser to seeing a webpage — including DNS lookups, client–server communication, and HTTP requests.
Learn how the three core frontend technologies work together: HTML for structure, CSS for styling, and JavaScript for interactivity.
Explore how modern applications are structured — from frontend to backend — and why separating concerns makes scaling and maintenance easier.
Discover the key qualities of a good system: scalability, maintainability, efficiency, and resilience.
Understand the CAP theorem and why distributed systems must make trade-offs between consistency, availability, and partition tolerance.
Learn how devices communicate over the internet — covering IP addresses, data packets, and the role of TCP and UDP in transport.
Explore the most common protocols at the application layer, including HTTP, WebSockets, SMTP, and FTP — and when each is used.
Break down the structure of REST APIs, including endpoints, requests, responses, status codes, and methods like GET, POST, PUT, and DELETE.
See how APIs power real-world applications, from weather apps to payment gateways, and understand public, private, and partner APIs.
Learn how caching and Content Delivery Networks reduce latency, improve performance, and enhance user experience by serving content closer to users.
Understand how load balancers distribute traffic across servers, improving scalability and ensuring high availability.
Dive into database fundamentals, comparing SQL and NoSQL, exploring replication and sharding, and reviewing performance techniques like indexing and caching.
Put everything together by designing a messaging system step-by-step. Learn how APIs, load balancing, databases, queues, and real-time connections all come together in a real-world architecture.
*This course contains the use of artificial intelligence.
Are you a Product Manager, Business Analyst, Designer, or professional working alongside engineers but feel lost when technical conversations begin?
You’re not alone. Most business and product professionals were never taught how technology actually works. Yet in today’s world, every career touches technology. Whether you’re building products, analyzing requirements, designing user experiences, or even running your own startup - your ability to understand and talk about systems can make or break your success. And with the rise of AI transforming every industry, understanding the foundations of how systems work is no longer optional, it’s essential.
This course was built for you.
Tech Foundations & System Design for Non-Engineers will take you behind the curtain of modern applications. You’ll see how all the pieces from web browsers and servers to APIs, databases, and scaling strategies actually fit together.
But this isn’t about turning you into a software engineer. It’s about giving you the mental models to:
Confidently discuss technical concepts with engineers and stakeholders.
Ask smarter questions in meetings and workshops.
Evaluate technical trade-offs when planning features or products.
Understand how performance, scalability, and reliability affect the user experience.
Spot risks early in product discussions before they turn into costly problems.
You’ll learn by following a natural flow, starting with the basics of how computers and the web work, then moving into how modern systems are designed and scaled. Along the way, you’ll practice applying these ideas to real-world scenarios. By the end, we’ll tie it all together with a full system design exercise: building a simplified version of WhatsApp.
Imagine walking away from this course being able to say:
“I understand why we’d use caching or a CDN to improve speed.”
“I know what CAP theorem trade-offs mean in a real system.”
“I can explain the difference between APIs and databases without needing a developer to translate.”
“I can see how scaling decisions connect back to business goals.”
That’s the power of this course.
Whether you’re a Product Manager, Business Analyst, Designer, Entrepreneur, or career-changer, this program will give you the confidence to participate fully in technical conversations and even lead them.
Stop feeling like a spectator in tech discussions. Start thinking like someone who understands how systems really work.
This course is your shortcut to becoming tech fluent — no coding required.