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: Compliance Auditing, Auditing, Financial Auditing, Audit Working Papers, Corrective and Preventive Action (CAPA), Process Improvement, Internal Controls, Internal Auditing, Verification And Validation, Financial Controls, Financial Analysis, Financial Statement Analysis, Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Project Estimation, Continuous Improvement Process, Forecasting
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Mobile Security, AI Security, Threat Detection, Security Controls, Exploit development, Threat Modeling, Hardening, Threat Management, Endpoint Security, Artificial Intelligence, Mobile Development Tools, Deep Learning, Incident Response, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Interpersonal Communications, Business Communication, Verbal Communication Skills, Communication, Internal Communications, Corporate Communications, Business Correspondence, Social Skills, Collaboration, Conflict Management, Non-Verbal Communication, Active Listening, Relationship Building, Organizational Structure, Mediation, Customer Relationship Building, Contract Negotiation, Organizational Development, Negotiation, Vendor Management
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Responsible AI, Containerization, Scalability, AI Orchestration, Application Deployment, Kubernetes, Azure Active Directory, System Monitoring, AI Workflows, Agentic systems, Artificial Intelligence, Microsoft 365, Microservices, Generative AI Agents, Enterprise Architecture, Microsoft Azure, AI Security, Enterprise Security, Role-Based Access Control (RBAC), Coordination
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Peer Review, Instructional Design, Education Software and Technology, Parent Communication, Instructional Strategies, Student Engagement, Learning Management Systems, Student Support and Services, Course Development, Collaborative Software, Curriculum Development, Blended Learning, Digital pedagogy, Educational Materials, Community Development, Classroom Management, Teaching, Performance Testing, Collaboration, Planning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, User Interface (UI), Mobile Development, Swift Programming, Unit Testing, User Interface (UI) Design, UI Components, Mobile Development Tools, Objective-C (Programming Language), Application Development, Data Structures, Programming Principles, Development Testing, Object Oriented Programming (OOP), Integrated Development Environments, Development Environment, Prototyping, Storyboarding
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Spreadsheet Software, Financial Data, Excel Formulas, Budget Management, Microsoft Excel, Budgeting, Financial Analysis, Data Cleansing, Financial Modeling, Data Integration, Financial Reporting, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Musical Composition, Peer Review, Music Performance, Music Theory, Music
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Storytelling, Trustworthiness, Personal Integrity, Compassion, Ethical Standards And Conduct, Optimism, Aesthetics, Positivity, Growth Mindedness, Resilience, Art History, Liberal Arts, Performing Arts, Teaching, Community Development, Creativity, Self-Awareness, Discussion Facilitation, Music, Leadership
Beginner · Specialization · 3 - 6 Months

The University of Sydney
Skills you'll gain: Advanced Mathematics, Integral Calculus, Calculus, Mathematical Theory & Analysis, Differential Equations, Applied Mathematics, Engineering Calculations, Mathematical Modeling, Linear Algebra, Physics, Derivatives
Intermediate · Course · 1 - 4 Weeks
CertNexus
Skills you'll gain: Jupyter, Unsupervised Learning, Model Evaluation, Classification Algorithms, Applied Machine Learning, Predictive Modeling, Regression Analysis, Data Preprocessing, Machine Learning, Supervised Learning, Feature Engineering, Performance Tuning, Algorithms
Intermediate · Course · 1 - 3 Months