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: Malware Protection, Identity and Access Management, Incident Response, Cybersecurity, Computer Security Incident Management, Network Security, Threat Management, Cyber Attacks, Authentications, Distributed Denial-Of-Service (DDoS) Attacks, Security Awareness, Security Controls, Cyber Security Policies, Authorization (Computing), Multi-Factor Authentication, Human Factors (Security)
★ 4.6 (17K) · Beginner · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Sampling (Statistics), Statistical Inference, Statistical Methods, Data-Driven Decision-Making, Statistical Modeling, Quantitative Research, Statistics, Statistical Analysis, Probability & Statistics, Analysis, Science and Research, Scientific Methods, Probability, Probability Distribution
★ 4.4 (139) · Intermediate · Course · 1 - 3 Months

University of Cambridge
Skills you'll gain: Loans, Stakeholder Management
★ 4.6 (53) · Beginner · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Social Sciences, Psychology, Persuasive Communication, Social Justice, Empathy & Emotional Intelligence, Behavior Management, Conflict Management, Research, Diversity Awareness
★ 4.7 (5.2K) · Beginner · Course · 1 - 3 Months

Universidad Autónoma Metropolitana
Skills you'll gain: Chemistry, Analytical Chemistry, Physical Science, Scientific Methods, Taxonomy
★ 4.4 (70) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Talent Acquisition, Training and Development, Compensation and Benefits, Training Programs, Recruitment, Employee Training, Full Cycle Recruitment, Job Analysis, Compensation Management, Diversity Equity and Inclusion Initiatives, Performance Appraisal, Job Evaluation, Developing Training Materials, Compensation Strategy, Performance Management, Occupational Safety and Health Administration (OSHA), Human Resource Policies, Compliance Management, Compliance Training, Employee Relations
★ 4.8 (3.4K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Video Editing, Timelines, Photo/Video Production and Technology, Post-Production, Videography, Video Production, Visual Storytelling, Editing, Productivity
★ 4.3 (34) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Substation, Electrical Systems, Electrical Power, Control Systems, Electric Power Systems, Low Voltage, High Voltage, Electrical Equipment, Electrical Wiring, Electrical Safety, Three-Phase, Plant Operations and Management, Building Services Engineering, HVAC, Energy and Utilities, Mechanical Design, Wiring Diagram, Schematic Diagrams, Construction, Civil Engineering
★ 4.6 (249) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Canva (Software), Social Media Content, Content Creation, Content Performance Analysis, Social Media Marketing, Marketing Effectiveness, Content Development and Management, Video Production, Digital Media Strategy, Style Guides, Digital Design, Graphic and Visual Design, Graphic Design, Marketing Analytics, Web Analytics, Video Editing, Performance Measurement, Brand Management, Key Performance Indicators (KPIs), Drive Engagement
★ 4.5 (6.3K) · Beginner · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Numerical Analysis, Differential Equations, Mathematical Software, Matlab, Calculus, Linear Algebra, Applied Mathematics, Mathematical Theory & Analysis, Integral Calculus, Experimentation, Algorithms, Derivatives
★ 4.5 (110) · Intermediate · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Logo Design, Packaging and Labeling, Adobe Illustrator, Brand Strategy, Competitive Analysis, Graphic and Visual Design, Presentations, Content Creation, Target Audience, Web Presence, Storytelling, Branding, Color Theory, Social Media Content, Color Matching, Typography, Graphic Design, Animations, Design Software, Graphical Tools
★ 4.6 (39) · Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Data-Driven Marketing, Customer Analysis, Data-Driven Decision-Making, Descriptive Analytics, Marketing Analytics, Predictive Analytics, Customer Insights, Advanced Analytics, Business Analytics, Analytics, Predictive Modeling, Customer Data Management, Consumer Behaviour, Data Collection, Model Optimization, Revenue Management, Regression Analysis, Business Marketing, Correlation Analysis
★ 4.6 (12K) · Mixed · Course · 1 - 3 Months