Algorithms and Data Structures Courses and Certifications

NPTEL;  IIT Madras

Programming, Data Structures and Algorithms

4 ratings

Learn programming from scratch through weekly graded exercises in algorithms, data structures, debugging, and problem-solving, progressing from functions and searches to graphs and dynamic programming.

• YouTube
• 23 hours
• Self-Paced
• Free Video

CS50's AP® Computer Science Principles

240 ratings

This is CS50 AP, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming for students in high school, which satisfies the College Board's new A

• edX
• 36 weeks, 5-6 hours a week
• Self-Paced
• Free Certificate

Data Structures and Algorithms with Visualizations – Full Course (Java)

2 ratings

A visualized Java course that builds data structures and algorithms from Big O analysis through LeetCode-style problems.

• freeCodeCamp
• 23 hours 46 minutes
• Self-Paced
• Free Video

Learn what data structures and algorithms are, why they are useful, and how you can use them effectively in Python.

• Codecademy
• 1 day 2 hours
• Self-Paced
• Free Trial Available

Algorithmic Toolbox

23 ratings

Learn core algorithmic techniques — estimating running time, greedy algorithms, divide-and-conquer with merge and quick sort, binary search, and dynamic programming — by implementing fast solutions to programming challenges.

• Coursera
• 6 weeks, 7 hours a week
• Self-Paced
• Paid Course

Data Structures and Algorithms in Python

1 rating

A beginner-friendly introduction to common data structures (linked lists, stacks, queues, graphs) and algorithms (search, sorting, recursion, dynamic programming) in Python.

• Jovian
• Self-Paced
• Free Online Course

Complete Java Data Structures & Algorithms, LEETCODE Solving

31 ratings at Udemy

Learn Java Data Structures & Algorithms, LEETCODE Solving from basics to Advanced and Crack any Tech Interview

• Udemy
• 55 hours
• Self-Paced
• Paid Course

Ultimate Java Data Structures & Algorithms & LEETCODE

29 ratings at Udemy

Master Java Programming and Data Structures & Algorithms & LEETCODE Problems from basics to Advanced

• Udemy
• 65 hours
• Self-Paced
• Paid Course

Crash Course: Beginner Data Structures And Algorithms Concepts

27 ratings at Taro

Build data structures and algorithms knowledge from the ground up: solve hash-map, linked list, binary tree, graph, and dynamic programming interview problems and analyze them with Big-O.

• Taro
• 9 hours 58 minutes
• Self-Paced
• Paid Course

Implement advanced string-searching algorithms, tree structures, deques, and Hamiltonian algorithms in Python.

• Codecademy
• 6 hours
• Self-Paced
• Free Trial Available

Implement fundamental data structures in Swift, from nodes and linked lists to queues, stacks, and hash tables, while learning recursion and asymptotic notation.

• Codecademy
• 5 hours
• Self-Paced
• Free Trial Available

Data Structures and Algorithms Design

An introductory course in analyzing and designing algorithms through asymptotic complexity, core data structures, algorithmic paradigms, and practical computer science examples.

• Swayam
• 12 weeks
• Available until Oct 9, 2026
• Free Online Course

Mastering Algorithms and Data Structures in Python

Build intermediate Python skills in core algorithms and data structures used in technical interviews. Learn how to choose, implement, analyze, and explain common approaches to graph, tree, list, hashi

• edX
• 5 weeks, 2-4 hours a week
• Self-Paced
• Free Online Course (Audit)

Data Structures and Algorithms in JavaScript

Build queues, stacks, linked lists, graphs, and trees from scratch in JavaScript, and implement bubble, insertion, merge, and quick sort while weighing Big O tradeoffs.

• egghead.io
• 1 hour 34 minutes
• Self-Paced
• Paid Course

Data Structures and Algorithms in JavaScript - Full Course for Beginners

A beginner-friendly introduction to implementing data structures and algorithms in JavaScript through short, hands-on coding examples.

• freeCodeCamp
• 1-2 hours
• Self-Paced
• Free Video