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.

Coursera
Skills you'll gain: User Feedback, Customer Analysis, Customer experience improvement, Selling Techniques, Communication Strategies, Sales Process, Target Audience, Customer Insights, Stakeholder Communications, Analytical Skills, Customer Communications Management, Communication, Business Writing, Marketing Communications, Business Communication, Decision Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Application Security, Open Web Application Security Project (OWASP), Secure Coding, Authentications, OAuth, Development Testing, Software Development Life Cycle, Unified Modeling Language, Authorization (Computing), Single Sign-On (SSO), Security Software, Software Development, Vulnerability Assessments, Data Validation, Cyber Security Assessment, Cyber Security Strategy, Cybersecurity, Role-Based Access Control (RBAC)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Communication Planning, Project Documentation, Collaborative Software, Taking Meeting Minutes, Internal Communications, Accountability, Team Oriented, Stakeholder Communications, Meeting Facilitation, Document Management, Communication Strategies, Project Coordination, Workflow Management, Project Management, Communication, Stakeholder Engagement, Governance, Business Communication
Beginner · Course · 1 - 4 Weeks
IE Business School
Skills you'll gain: Brand Strategy, Customer experience strategy (CX), Branding, Storytelling, Production Planning, Brand Awareness, Logo Design, Content Marketing, Target Audience, Advertising Campaigns, Target Market, Content Creation, Customer experience improvement, Advertising, Marketing Design, Creative Design, Brand Management, Journalism, Creativity, Communication
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Video Editing, TikTok, Content Performance Analysis, Canva (Software), Photo/Video Production and Technology, Graphic and Visual Design, Graphic Design, ChatGPT, Target Audience, Graphics Software, Cinematography, Storytelling, Social Media Content, Content Creation, Driving engagement, Videography, Social Media Strategy, Analytics, Video Production, Marketing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Scalability, Software Testing, Web Applications, Maintainability, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Front-End Web Development, Bootstrap (Front-End Framework), Web Design and Development, jQuery, Web Design, Web Applications, User Interface (UI), Animations, Javascript, Event-Driven Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Business Intelligence, Generative AI, Business Analytics, Responsible AI, Business Process Automation, Data-Driven Decision-Making, Data Ethics, Data Storytelling, Exploratory Data Analysis, Data Validation, Project Implementation
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Patient Evaluation, Airway Management, Trauma Care, Emergency and Intensive Care, Medical History Documentation, Patient Communication, Child Health, Childbirth, Automated External Defibrillator, Maternal Health, Patient Advocacy, Acute Care, Critical Care, Health Assessment, Vital Signs, Respiratory Care, Neurology, Medication Administration, Cardiology, Pharmacology
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Data Validation, User Interface (UI) Design, User Interface (UI), Application Design, Usability, Verification And Validation, Interactive Design, Image Quality
Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Predictive Analytics, Predictive Modeling, Model Evaluation, R Programming, Preventative Care, Health Informatics, Statistical Modeling, Sample Size Determination, Statistical Inference, Regression Analysis, Precision Medicine, Supervised Learning, Data Preprocessing
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Active Listening, Social Skills, Emotional Intelligence, Professional Development, Rapport Building, Interpersonal Communications, Personal Development, Empathy, Relationship Building, Constructive Feedback, Communication, Non-Verbal Communication
Mixed · Course · 1 - 4 Weeks