Codeling Blog
News, tips and learning from the world of backend software development.
A Backend Developer's Guide to Algorithms With Python
18 March 2026If you want to build backend systems that are fast, scalable, and don't fall over under pressure, you need to get good at algorithms.
How to Write Unit Tests in Python a Backend Developer's Guide
17 March 2026Having a solid test suite is a non negotiable for any serious code base. Learn how to write unit tests in Python.
REST API Design Best Practices A Developer's Guide
16 March 2026REST API design best practices aren't just a set of academic rules. They're the practical guidelines that make your API predictable, scalable, and—most importantly—a pleasure for other developers to use.
What is an api and how does it work: A Quick Beginner's Guide
15 March 2026An Application Programming Interface, or API, is one of those terms you hear all the time, but what does it actually mean?
Your Complete Python Object Oriented Programming Tutorial
14 March 2026Learning Python OOP is what separates someone who just writes code from a software engineer who designs systems.
Data Structures and Algorithms for Beginners: Practical Python Guide
13 March 2026Learning data structures and algorithms (DSA) is how you get hired as a backend engineer. This beginners guide will show you what you need to know.
How to Use Git for Version Control A Practical Guide
12 March 2026If you're going to learn one skill that will define your career as a software developer, make it Git.
How to Get a Software Engineering Job in 2026
11 March 2026Breaking into software engineering comes down to three things: building the right skills, proving them with a solid portfolio, and then crushing the interview.
How to Become a Backend Developer: 2026 Roadmap to In-Demand Skills
10 March 2026If you've ever wondered what powers your favorite apps, the part you can't see but that makes everything work, you're thinking about backend development.
Should I Use AI While Learning to Code? How to Avoid Vibe Coding Hell
5 January 2026AI coding assistants can write code incredibly well. But if you rely on them before understanding the fundamentals, you'll end up stuck in vibe coding hell with no idea how to fix anything. Here's when to use AI and when to learn the hard way first.