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.

Skills you'll gain: IT Infrastructure, Operating System Administration, Computer Networking, Desktop Support, Systems Administration, Network Troubleshooting, Remote Access Systems, Network Security, OSI Models, Hardening, Package and Software Management, Cybersecurity, Disaster Recovery, User Accounts, Security Controls, TCP/IP, Software Installation, Technical Support, Help Desk Support, Computer Hardware
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: MLOps (Machine Learning Operations), Continuous Integration, Artificial Intelligence and Machine Learning (AI/ML), DevOps, Service Level Agreement, API Design, Performance Measurement, Performance Analysis
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Electronics Engineering, Hardware Design, Electronic Components, Schematic Diagrams, Electrical Engineering, Engineering Design Process, Wiring Diagram, Engineering Documentation, Computer-Aided Design, Design Software, Simulation and Simulation Software, Thermal Management, Manufacturing and Production, Debugging
Intermediate · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Branding, Strategic Marketing, Marketing, Brand Management, Consumer Behaviour, Go To Market Strategy, Customer Insights, Marketing Strategy and Techniques, Marketing Communications, Customer experience strategy (CX), Market Analysis, Online Advertising, E-Commerce
Mixed · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Intellectual Property, Cyber Attacks, Cybersecurity, Data Security, Storytelling, Content Creation, Cyber Security Strategy, Vulnerability Assessments, Security Management, Creativity, Social Skills, Interpersonal Communications, Communication, Personal Care, digital literacy, Health And Wellness Coaching, Problem Solving, Collaboration, Computer Literacy, Data Literacy
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Patterns, Salesforce, Artificial Intelligence, Generative AI Agents, Agentic systems, Customer Relationship Management (CRM) Software
Beginner · Course · 1 - 4 Weeks
The University of Edinburgh
Skills you'll gain: Liberal Arts, Deductive Reasoning, Scientific Methods, Artificial Intelligence
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Classification And Regression Tree (CART), Model Deployment, Decision Tree Learning, Predictive Modeling, Model Evaluation, Feature Engineering, Machine Learning Methods, Random Forest Algorithm, Applied Machine Learning, Performance Tuning, Statistical Machine Learning, Scikit Learn (Machine Learning Library), Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Automation, Unit Testing, Software Testing, Verification And Validation, Test Case, Test Driven Development (TDD), Integration Testing, Debugging, Mockups
Mixed · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Human Resource Strategy, Organizational Strategy, Organizational Structure, Organizational Effectiveness, Workforce Planning, Organizational Change, Risk Management, Business Strategy, Business Systems, Complex Problem Solving, Report Writing
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Cybersecurity, Public Key Cryptography Standards (PKCS), Key Management, Advanced Encryption Standard (AES), Encryption, Brute-force attacks, Authentications, Arithmetic, Algorithms, Applied Mathematics, Data Integrity, Probability, Computer Science
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Sales Presentation, Sales Presentations, Concision, Graphic and Visual Design, Presentations, Value Propositions, Data Presentation, Layout Design, Design Elements And Principles, Verbal Communication Skills, Public Speaking, Persuasive Communication, Sales Support, Communication Strategies
Intermediate · Course · 1 - 4 Weeks