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.

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), Restful API, Web Content Accessibility Guidelines, User Interface (UI), Web Design, Typography, Web Applications, React.js, HTML and CSS, Application Programming Interface (API), Mobile Development, Web Design and Development, Hypertext Markup Language (HTML), Event-Driven Programming, Web Development, Javascript
Beginner · Specialization · 3 - 6 Months

Interactive Brokers
Skills you'll gain: Equities, Investments, Financial Statement Analysis, Financial Analysis, Balance Sheet, Financial Market, Business Metrics, Risk Management, Portfolio Management, Income Statement, Business Economics, Cash Flows
Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Graphic Design, Typography, Design Elements And Principles, Adobe Creative Cloud, Design, Color Theory, Adobe Illustrator, Adobe Photoshop, Photo Editing, Layout Design, Image Quality, Creativity
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Talent Pipelining, Prompt Engineering, Talent Acquisition, Team Performance Management, Performance Management, Smart Goals, Google Gemini, Time Management, Interviewing Skills, Responsible AI, Culture Transformation, Workforce Planning, Generative AI, ChatGPT, Employee Onboarding, Recruitment, Employee Engagement, Key Performance Indicators (KPIs), Prompt Engineering Tools, Leadership
Intermediate · Specialization · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Classification Algorithms, Exploratory Data Analysis, Data Mining, Data Analysis, Machine Learning Algorithms, Model Evaluation, Data Management, Data Science, Unsupervised Learning, Big Data, Supervised Learning, Algorithms, Data Preprocessing, Transaction Processing
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Work Breakdown Structure, Project Risk Management, Timelines, Scheduling, Risk Management, Project Scoping, Project Planning, Budgeting, Project Management, Project Implementation, Project Documentation, Peer Review, Accountability
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Responsible AI, Data Ethics, Artificial Intelligence, AI Product Strategy
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Conflict Management, Professional Networking, Smart Goals, Team Motivation, Creative Problem-Solving, Team Management, Team Performance Management, Prioritization, Stress Management, Meeting Facilitation, Relationship Management, Goal Setting, Time Management, Relationship Building, Leadership Development, Team Leadership, Self-Awareness, Communication, Professional Development, Mentorship
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Community Outreach, Social Justice, Discussion Facilitation, Diversity Awareness, Overcoming Obstacles, Advocacy, Community Development, Interviewing Skills, Empowerment, Cultural Sensitivity, Action Oriented, Cultural Diversity, Interpersonal Communications, Persistence, Sociology, Diversity Equity and Inclusion Initiatives, Self-Awareness, Intercultural Competence, Storytelling, Planning
Beginner · Specialization · 1 - 3 Months

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Materials science, Manufacturing Processes, Engineering, Mechanical Engineering, Chemistry, Production Process, Process Development
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Core Data (Software), Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, iOS Development, Responsive Web Design, Data Persistence, Data Structures, Object Oriented Programming (OOP), Unit Testing, Transaction Processing, Database Application, User Interface (UI), Application Development, UI Components, Application Programming Interface (API), Data Access, Mobile Development
Beginner · Specialization · 3 - 6 Months

Dartmouth College
Skills you'll gain: Digital Transformation, Customer experience improvement, Business Transformation, Business Technologies, Business Modeling, Technology Strategies, Data Ethics, AI Personalization, Internet Of Things, Emerging Technologies, Automation, Case Studies, Cloud Computing, Responsible AI, Law, Regulation, and Compliance, Business Strategy, Cybersecurity, Data-Driven Decision-Making, Business Ethics
Beginner · Course · 1 - 3 Months