Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

Stanford Online
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Social Network Analysis, Network Analysis, Theoretical Computer Science, Probability & Statistics
★ 4.8 (2K) · Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Algorithms, Theoretical Computer Science, Data Structures, Computational Thinking, Analysis, Performance Tuning, Memory Management, Scalability
Mixed · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Java Programming, Other Programming Languages
★ 3.6 (10) · Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Algorithms, Bayesian Statistics, Theoretical Computer Science, Network Model, Computational Thinking, Data Structures, Graph Theory, Network Analysis, Statistical Methods, Probability, Probability & Statistics
Mixed · Course · 1 - 3 Months

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), C and C++, Data Structures, Theoretical Computer Science, Computer Programming
★ 3.9 (16) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Software Design, Program Development, Data Structures, Visualization (Computer Graphics), Graphic and Visual Design, Systems Design, Computer Graphics, Creative Design, Python Programming, Linear Algebra
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Data Validation
Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: File I/O, Data Structures, Theoretical Computer Science, Algorithms, Memory Management, Graph Theory, Data Access, Performance Tuning
★ 4.6 (60) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Computer Programming, Computational Thinking, Debugging, Problem Solving, C++ (Programming Language), Performance Tuning, Theoretical Computer Science, Solution Design, Python Programming, Computational Logic
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Algorithms, Graph Theory, Data Structures, Computer Programming, C++ (Programming Language), Object Oriented Programming (OOP)
★ 4.7 (6) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Java, Data Structures, File I/O, Java Programming, Data Access, Data Cleansing
★ 4.6 (20) · Intermediate · Guided Project · Less Than 2 Hours

University of Illinois Urbana-Champaign
Skills you'll gain: Graph Theory, Data Structures, Unstructured Data, Algorithms
★ 4.7 (557) · Mixed · Course · 1 - 4 Weeks