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.

Duke University
Skills you'll gain: Financial Modeling, Blockchain, FinTech, Portfolio Risk, Entrepreneurial Finance, Financial Market, Business Valuation, Risk Management, Excel Formulas, Emerging Technologies, Cryptography, Risk Analysis, Fundraising and Crowdsourcing, Financial Trading, Probability Distribution, R (Software), Financial Analysis, Entrepreneurship, Finance, Microsoft Excel
Intermediate · Specialization · 3 - 6 Months

Technion - Israel Institute of Technology
Skills you'll gain: Materials science, Semiconductors, Medical Devices, Biomedical Engineering, Chemistry, Analytical Testing, Laboratory Testing, Electronics, Electrical Engineering, Analytical Chemistry, Chemical Engineering, Manufacturing Processes
Mixed · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Threat Detection, Event Monitoring, Security Information and Event Management (SIEM), Incident Management, Security Management, Continuous Monitoring, Network Security, Network Monitoring, Splunk, Network Analysis, TCP/IP, Network Protocols, Query Languages
Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Web Services, Cloud Computing, Cloud Computing Architecture, Cloud Storage, Cloud Infrastructure, Cloud Applications, Google Cloud Platform, Flask (Web Framework), Distributed Computing, Containerization, Software Architecture, Docker (Software), Virtualization, Restful API, JSON, Microservices, Scalability, Extensible Markup Language (XML), API Design, Computer Architecture
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, Model Context Protocol, Retrieval-Augmented Generation, Generative Model Architectures, Model Deployment, Responsible AI, Load Balancing, Large Language Modeling, Containerization, AI Security, Docker (Software), Generative AI, Model Evaluation, Agentic systems, LangChain, Restful API, Cloud Deployment, Data Ethics, Data Validation, Image Quality
Intermediate · Professional Certificate · 3 - 6 Months

Yonsei University
Skills you'll gain: Text Mining, Data Preprocessing, Natural Language Processing, Classification Algorithms, Data Analysis, Java, Unsupervised Learning, Machine Learning Methods, Supervised Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Planning, Debugging, Browser Compatibility, Performance Testing, Security Testing, Software Testing, System Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Integration Testing, Test Case, Test Automation, Test Tools, Development Environment, Code Review, Continuous Delivery
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Social Media Marketing, Social Media Management, Social Media Campaigns, Social Media Content, Social Media Strategy, Digital Marketing, Calendar Management, Performance Analysis, Customer Relationship Management (CRM) Software, Customer Relationship Management, Content Development and Management, Customer Insights, Web Analytics, Content Strategy, Scheduling, Target Audience, Marketing Communications, Persona Development, Analytics, Market Data
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Fundraising, Grant Writing, Prospecting and Qualification, Philanthropy, Proposal Writing, Campaign Management, Business Writing, Ethical Standards And Conduct, Relationship Management, Communication Strategies
Beginner · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Infrastructure Security, Cyber Security Strategy, Mobile Security, Enterprise Security, Cyber Risk, Cyber Security Policies, Cybersecurity, Cloud Security, NIST 800-53, Hybrid Cloud Computing, Security Awareness, Cloud Computing Architecture, Blockchain, Internet Of Things, Cryptography, Data Integrity
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Creative Thinking, Creativity, Ideation, Creative Problem-Solving, Brainstorming, Innovation, Persuasive Communication, Cognitive flexibility, Team Building, Teamwork, Open Mindset, Influencing, Communication, Collaboration, Storytelling, Decision Making
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: File I/O, Matplotlib, Object Oriented Design, Java, Object Oriented Programming (OOP), Data Analysis, Unit Testing, Pandas (Python Package), Java Programming, Eclipse (Software), Application Development, Data Visualization, Data Structures, Data Science, Data Cleansing, Debugging, Pivot Tables And Charts, Programming Principles, Python Programming, Computer Programming
Beginner · Specialization · 3 - 6 Months