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 Illinois Urbana-Champaign
Skills you'll gain: Pedagogy, Formal Learning, Digital pedagogy, Education and Training, Teaching, Human Learning, Adult Education, Higher Education, Instructional Strategies, Diversity Awareness, Cultural Diversity, Lifelong Learning, Curriculum Development, Student-Centred Learning
★ 4.7 (427) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Planning, Test Driven Development (TDD), Release Management, Software Testing, Behavior-Driven Development, Risk Management Framework, Risk Management, System Testing, Application Deployment, Software Quality Assurance, Software Development Life Cycle, CI/CD, Data Validation, Systems Analysis, Systems Thinking, Data Modeling, Product Lifecycle Management, Business Process Automation, Digital Transformation, Process Flow Diagrams
★ 4.9 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Music, Music Theory, Aesthetics, Sensory Systems Analysis, Culture, Psychology, Cultural Diversity, Neurology, Science and Research
★ 5 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Plan Execution, Team Leadership, Business Strategy, Performance Measurement, Creative Thinking, Leadership Studies, Creativity, Leadership and Management, Business Strategies, Team Performance Management, Management Training And Development, Innovation, Strategic Planning, Organizational Strategy, Team Management, Emotional Intelligence, Organizational Leadership, Culture Transformation, Competitive Analysis, Strategic Leadership
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Energy and Utilities, Electrical Power, Electrical Systems, Electric Power Systems, Sustainable Technologies, Thermal Management, Chemical Engineering, Power Electronics, Climate Change Mitigation, Electrical Equipment, Mechanical Engineering, Sustainable Engineering, Materials science, Real Time Data, Environmental Engineering, Chemistry, Environmental Issue, Engineering Calculations
★ 4.5 (19) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Securities (Finance), Credit Risk, Lending and Underwriting, Commercial Lending, Capital Markets, Financial Statement Analysis, Financial Services, Bankruptcies, Investment Banking, Financial Analysis, Finance, Financial Management, Investment Management, Risk Management, Corporate Finance, Analysis, Case Studies, Consulting, Decision Making, Environment
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: HR Tech, Performance Appraisal, Human Resources Software, People Analytics, Performance Management, Recruitment, Training and Development, Human Resources Management and Planning, Human Resource Management, Employee Retention, Human Resources Information System (HRIS), Compensation Management, Human Resources, Workforce Planning, Job Analysis, Recruitment Strategies, Talent Recruitment, Constructive Feedback, Talent Acquisition, Analytics
★ 4.2 (9) · Beginner · Specialization · 3 - 6 Months

Dartmouth College
Skills you'll gain: Aesthetics, Liberal Arts, Storytelling, Writing
★ 4.8 (6) · Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Market Dynamics, Supply And Demand, Game Theory, Economics, Market Trend, Business Economics, Market Analysis, Consumer Behaviour, Operating Cost, Demand Planning, Business Strategy, Revenue Forecasting, Competitive Analysis, Cost Management, Profit and Loss (P&L) Management, Strategic Decision-Making, Decision Making
★ 4.5 (61) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Restful API, Server Side, Back-End Web Development, Full-Stack Web Development, JavaScript Frameworks, JSON, Web Servers, Authentications, Web Applications, API Design, Web Development, Postman API Platform, Package and Software Management, Model View Controller, Application Programming Interface (API), Web Services, Authorization (Computing), Javascript, Computer Science
★ 4.5 (628) · Intermediate · Course · 1 - 4 Weeks

Parsons School of Design, The New School
Skills you'll gain: Building Design, Sustainable Design, Sustainable Architecture, Public Health, Chemistry, Health Assessment, Environment Health And Safety, Sustainability Standards, Pollution Prevention, Materials science, Innovation
★ 4.8 (23) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Environment, Environmental Issue, Environmental Science, Life Sciences, Biology, Environmental Resource Management, Environment and Resource Management, Natural Resource Management, Sustainable Development, Social Studies, Economics
★ 4.6 (48) · Beginner · Course · 1 - 4 Weeks