Algorithms and Data Structures Courses and Certifications

Career Certificate

Pass the Technical Interview with Java

Build data structures and algorithms from scratch in modern Java while practicing common technical interview questions.

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

IIT Kharagpur;  NPTEL

Introduction to Algorithms and Analysis

Introduces mathematical modeling, classic algorithms, data structures, and techniques for measuring computational performance.

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

Packt

Advanced Data Structures and Algorithms

Learn recursion, call stacks, linear and binary search, bubble, insertion, quick and merge sort, plus depth-first and breadth-first tree and graph traversals with complexity analysis.

• Coursera
• 6 weeks, 2 hours a week
• Self-Paced
• Paid Course

Data Structure and Fundamentals of Algorithms

A fundamentals course spanning abstract data types, linear, tree, and graph structures alongside searching, sorting, and string-matching algorithms.

• XuetangX
• Self-Paced
• Free Online Course

Career Certificate

Pass the Technical Interview with Swift

Prepare for technical interviews by implementing data structures and algorithms—including recursion, searching, sorting, and graph structures—in Swift.

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

Scrimba

Data Structures and Algorithms: Binary Search

Code six different binary search algorithms in JavaScript through in-browser interactive lessons, learning techniques that extend beyond binary search to broader problem solving.

• Coursera
• 1 hour 18 minutes
• Self-Paced
• Paid Course

Scrimba

Data Structures and Algorithms: Merge Sort

Code six alternative implementations of merge sort in JavaScript, picking up algorithm analysis and design patterns along the way.

• Coursera
• 1 hour 24 minutes
• Self-Paced
• Paid Course

Data Structures

Data Structure, key to Computer Science, plays a decisive role in constructing efficient algorithms. As fundamental theories for programming, Data Structure is not only among core courses of the major of computer, but also prevails in computer-related ap…

• XuetangX
• Self-Paced
• Free Online Course

Algorithms in Python – Full Course for Beginners

A beginner Python course that builds algorithms through coding challenges on recursion, searching, sorting, divide-and-conquer, greedy methods, dynamic programming, and data structures.

• freeCodeCamp
• 2-3 hours
• Self-Paced
• Free Video

Complete Intro to Computer Science

Learn our computer science intro course and understand Algorithms and Big O Analysis, Recursion, Sorting, Data Structures, AVL Trees, and more.

• Frontend Masters
• 8-9 hours
• Self-Paced
• Paid Course

Build Algorithms using Typescript

Implement common algorithms and data structures in TypeScript, from sorting and searching to linked lists, heaps, stacks, and queues.

• egghead.io
• 1 hour 40 minutes
• Self-Paced
• Paid Course

The Last Algorithms Course You'll Need

The last algorithms course you’ll need to pass tough interview questions that use arrays, lists, trees, graphs, maps, and searching and sorting algorithms.

• Frontend Masters
• 9-10 hours
• Self-Paced
• Paid Course

DSA Crash Course: Arrays And Strings

Solve classic array and string problems — anagrams, most frequent character, pair sum, pair product, and intersection — working through the approach for each, then a code walkthrough.

• Taro
• 54 minutes
• Self-Paced
• Free Online Course

DSA Crash Course: Core Problems And Recursion

Work through classic coding problems like max value and primality testing, analyze them with Big-O notation, and solve sum-numbers recursively.

• Taro
• 1 hour 19 minutes
• Self-Paced
• Free Online Course

NPTEL;  IIT Kharagpur

Introduction to Algorithms and Analysis

1 rating

An introduction to algorithms connecting programming with mathematical modeling, performance analysis, sorting, data structures, dynamic programming, and graph methods.

• YouTube
• 1 day 5 hours
• Self-Paced
• Free Video