Coding Education

5 min read

What Is a Programmer? Roles, Types and How to Become One

Published: 10.07.2026·Updated: 10.07.2026
Neftalí Cázares

Neftalí Cázares

Senior Coding Instructor

What Is a Programmer? Roles, Types and How to Become One

A programmer is a person who writes instructions —called code— to tell a computer, step by step, exactly what to do. With that code they build apps, video games, websites and the programs we use every day.

What a Programmer Does

A programmer's job is to turn an idea into something a computer can run. To do it they use programming languages like Python, JavaScript or Scratch, which work like languages the machine understands. A programmer thinks through the problem, breaks it into small steps, writes the code and then tests it again and again until it works.

There are different kinds of programmers. A front-end programmer builds what you see on a page or app: buttons, colors and menus. A back-end programmer handles the invisible part: the databases and the logic that makes everything work behind the scenes. And a game developer (game dev) combines both to create worlds, characters and game rules. It's a bit like building with Lego: some pieces are what you see, others hold the structure together inside. According to the World Economic Forum, programming ranks among the most in-demand skills of the coming decade.

Why It Matters for Kids

Learning to code teaches children to think in an organized way, to solve problems and to keep going when they make mistakes. It's not only a future profession: it's a way to create technology instead of just consuming it. In Algonova's coding courses kids start with real projects from the very first class, and can take their first steps with Scratch.

Does your child want to build their first video game? Try a free class and find out.