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Fundamentals roadmaps

2 step-by-step roadmaps for tech roles. Each one has the learning path, free resources and the tools you'll use.

Fundamentals roadmaps 2

Data Structures

Intermediate

Organizing and storing data

4-6 months · Fundamentals

Why follow a career roadmap?

A roadmap gives you a learning path in order, from the basics to advanced topics, so you know what to learn next and what to skip for now. It works whether you're writing your first line of code or moving into a new role.

What each roadmap covers

  • Learning path: topics in order, from fundamentals to advanced, with a rough timeline.
  • Resources: courses, documentation, books and practice sites for each topic.
  • Salary and demand: salary ranges and how much hiring there is in India.
  • Projects: project ideas to build a portfolio.
  • Tools: the languages, frameworks and tools you'll use.
  • Career paths: the roles you can move into afterwards.

Popular tech career paths in 2026

Backend development (Node.js, Python, Java, PHP, Go), frontend development (React, Vue, Angular), full stack, data science and machine learning, DevOps, cloud, mobile (React Native, Flutter, Android, iOS), cybersecurity and more specialised roles.