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 Colorado System
Skills you'll gain: Software Design Documents, Data Flow Diagrams (DFDs), User Requirements Documents, Functional Requirement, Software Documentation, Diagram Design, Unified Modeling Language, Functional Specification, Requirements Analysis, System Requirements, Technical Documentation, Data Modeling, Systems Analysis, Security Requirements Analysis, Process Modeling, Computational Logic
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Tool Calling, OAuth, Model Context Protocol, AI Orchestration, AI Integrations, Generative AI Agents, Interoperability, Agentic Workflows, Application Programming Interface (API), Agentic systems, Authentications, Real Time Data, Data Persistence, Context Management, Software Design Patterns, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Amazon S3, Security Assertion Markup Language (SAML), Authorization (Computing), Role-Based Access Control (RBAC), User Provisioning, Authentications, Cloud Storage, User Accounts, Multi-Factor Authentication, Encryption
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Natural Language Processing, Google Cloud Platform, Data Analysis, Machine Learning
Intermediate · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Growth Mindedness, Leadership Development, Professional Development, Personal Integrity, Personal Development, Leadership, Self-Awareness, Lifelong Learning, Engineering Management, Visionary, Ethical Standards And Conduct, Goal Setting
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Back-End Web Development, PostgreSQL, Database Development, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Application Programming Interface (API), Database Management, Databases, Data Validation, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Tax Compliance, Sales Tax, Tax Management, Compliance Management, Registration, Tax Preparation, Regulatory Compliance, Billing & Invoicing, Tax Returns, Invoicing, Tax Planning, Tax, Transaction Processing, Hospitality, Construction Accounting, Tax Laws, Compliance Auditing, Specialized Accounting, Claims Processing, Finance
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Oral Expression, LLM Application, Follow Through, AI literacy, Planning, Google Gemini, Professionalism
Beginner · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Healthcare Ethics, Pharmacology, Health Care, General Medicine, Medical Science and Research, Pharmaceuticals, Culture, Behavioral Health, Ancient History, Medical Practices and Procedures, World History, Public Health, Infectious Diseases
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Data Storytelling, Sustainable Systems, Data Literacy, Systems Thinking, Case Studies, Water Sustainability, Sustainable Development, Water Resources, Quantitative Research, Environmental Issue, Water Resource Management, Energy and Utilities, Environment, Socioeconomics, Social Impact, Analysis, Policy Analysis, Environment and Resource Management, Correlation Analysis
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Marketing Automation, AI Personalization, Marketing Analytics, Personalized Campaigns, Digital Marketing, Marketing Strategies, Digital Marketing Campaigns, Digital Marketing Tools, Customer Analysis, Digital Advertising, Predictive Analytics, Image Analysis, Artificial Intelligence, Customer Engagement, Content Optimization, Search Engine Optimization, HubSpot CRM, Automation, Advertising, Computer Vision
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, Development Environment, Data Management, Integrated Development Environments, Software Installation, Style Guides
Beginner · Course · 3 - 6 Months