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.

Board Infinity
Skills you'll gain: Unit Testing, TypeScript, Angular, Software Testing, Frontend Performance, Software Architecture, Software Design, UI Components, Application Programming Interface (API), Restful API, Application Deployment, Performance Tuning, User Interface (UI), Authentications, JavaScript Frameworks, Scalability, Front-End Web Development, Node.JS, Authorization (Computing), Web Applications
Intermediate · Specialization · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Customer Retention, Sales Strategy, Upselling, Customer Acquisition Management, Revenue Management, Telecommuting, Growth Strategies, Entrepreneurship, Search Engine Optimization, Self-Starter, Copywriting, Branding
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Collaboration, Team Building, Project Coordination, Teamwork, Team Management, Workflow Management, Internal Communications, Delegation Skills, Communication Strategies, Resource Allocation
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Musical Composition, Post-Production, Music, Media Production, Instrumental Music, Editing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Information Technology, Cyber Security Strategy, Cyber Security Policies, Technical Support and Services, Technical Support, Information Systems Security Assessment Framework (ISSAF), Computer Security Awareness Training, Security Awareness, Application Security, ISO/IEC 27001, Network Security, Data Security, Information Assurance, General Networking, Computer Hardware
Beginner · Course · 1 - 4 Weeks

University of Arizona
Skills you'll gain: Water Resources, Environment, Environmental Science, Biology, Environment and Resource Management, Sustainable Systems, Physical Science, Water Quality, Climate Change Adaptation, Research
Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Embeddings, Tool Calling, AI Workflows, Generative AI Agents, Document Management, Query Languages, Text Mining, Context Management
Beginner · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Health Disparities, Health Systems, Public Health, Epidemiology, Social Determinants Of Health, Health Promotion, Infectious Diseases, Chronic Diseases, Health Policy, Environment Health And Safety, Medical Science and Research, Injury Prevention, Nutrition and Diet
Mixed · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: TikTok, LinkedIn, Closing (Sales), Strategic Partnership, Podcasting, Thought Leadership, Video Production, Content Creation, Social Media Content, Brand Awareness, Social Media, Productivity Software, Social Media Marketing, Brand Strategy, Business Planning, Business Relationship Management, Contract Negotiation, Negotiation, Web Analytics and SEO, Proposal Writing
Beginner · Specialization · 3 - 6 Months

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

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Generative AI Agents, Agentic systems, OpenAI API, Enterprise Application Management, Tool Calling, OAuth, Middleware, Performance Tuning, Real Time Data, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Prompt Engineering, Retrieval-Augmented Generation, Application Programming Interface (API)
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: IT Automation, Systems Administration, Software Configuration Management, Operating System Administration, Package and Software Management
Beginner · Course · 1 - 4 Weeks