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.

University of Colorado Boulder
Skills you'll gain: Machine Learning Algorithms, Real-Time Operating Systems, Big Data, Internet Of Things, Product Development, Data Preprocessing, Analytics, Embedded Software, Embedded Systems, File Systems, New Product Development, Data Analysis, Debugging, Model Based Systems Engineering, Wireless Networks, Infrastructure Security, General Networking, Computer Engineering, Cybersecurity, Failure Analysis
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Sprint Retrospectives, Sprint Planning, Agile Methodology, Backlogs, Agile Project Management, Process Improvement, Project Documentation, Technical Documentation, Continuous Improvement Process, Document Management, Workflow Management, Accountability, Document Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, Javascript, Data Structures, Debugging, JSON, Scripting, Web Development, Web Applications, Computer Programming, HTML and CSS, Event-Driven Programming, Software Development, Object Oriented Programming (OOP), Git (Version Control System), Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Peripheral Devices, Network Troubleshooting, Desktop Support, Computer Displays, USB, Wireless Networks, Network Administration, Virtual Machines, TCP/IP, Virtualization, Virtual Local Area Network (VLAN), Network Security, Operating System Administration, Cloud Computing, Computer Networking, Hardware Troubleshooting, Virtual Private Networks (VPN), Mobile Security, Mac OS, Microsoft Windows
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Regression Analysis, Visualization (Computer Graphics), Scikit Learn (Machine Learning Library), Feature Engineering, Data Cleansing, Predictive Modeling, Data Analysis, Statistical Modeling, Supervised Learning, Machine Learning, Python Programming
Beginner · Guided Project · Less Than 2 Hours

University of London
Skills you'll gain: Court Systems, Case Law, Legal Research, Legal Proceedings, Law, Regulation, and Compliance, Civil Law, Political Sciences, European History, Governance
Beginner · Course · 1 - 3 Months

Peking University
Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, AI Orchestration, Model Deployment, Cloud Deployment, Vector Databases
Intermediate · Course · 1 - 3 Months

Universitat Politècnica de València
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Android Development, C# (Programming Language), Video Game Development, Animation and Game Design, User Interface (UI), Mobile Development, User Interface and User Experience (UI/UX) Design, Microsoft Visual Studio, Software Installation
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Negotiation, Conflict Management, Collaboration, Relationship Building, Communication, Problem Solving, Decision Making, Emotional Intelligence, Planning, Self-Awareness, Adaptability
Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Verbal Communication Skills, Customer Complaint Resolution, De-escalation Techniques, Customer Service, Communication, Customer Retention, Emotional Intelligence, Customer Relationship Building, Conflict Management, Empathy, Professionalism
Mixed · Course · 1 - 4 Weeks