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.

Northeastern University
Skills you'll gain: Data Storytelling, Plotly, Statistical Visualization, Interactive Data Visualization, Matplotlib, Data Visualization Software, Network Analysis, Seaborn, Data-Driven Decision-Making, Data Mining, Scatter Plots, R Programming, Graph Theory, Data Science, Time Series Analysis and Forecasting
Build toward a degree
Mixed · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Electrical Systems, Building Codes, Electrical Wiring, Construction Inspection, HVAC, Building Design, Basic Electrical Systems, Electrical Power, Engineering Calculations, Architectural Design, System Requirements, Electrical Safety, Mechanical Design, Energy and Utilities, Architectural Engineering, Land Development, Semiconductors, Cost Benefit Analysis, Design Reviews, Submittals (Construction)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Remote Access Systems, Network Troubleshooting, Network Administration, Virtual Private Networks (VPN), Hardening, TCP/IP, Cybersecurity, Dynamic Host Configuration Protocol (DHCP), Human Factors (Security), Technical Support and Services, Encryption, Command-Line Interface, Authentications, Wireless Networks
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Stored Procedure, SQL, Data Presentation, Query Languages, Relational Databases, Database Development, Database Administration, Data Science
Advanced · Guided Project · Less Than 2 Hours
University of Minnesota
Skills you'll gain: Taxonomy, Spreadsheet Software, Machine Learning, Predictive Analytics, Microsoft Excel, Persona Development, Information Architecture, Text Mining, Descriptive Statistics, Algorithms, Computer Programming, Java Programming
Intermediate · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Data Integrity, Encryption, FinTech, Network Security, Transaction Processing, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Music Theory, Music, Musical Composition, Classical Music, Music History, Instrumental Music, Music Performance, World Music
Intermediate · Course · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: Internet Of Things, Wireless Networks, Network Routing, Local Area Networks, Network Architecture, Network Protocols, Network Performance Management, Computer Networking, Telecommunications
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Crisis Management, Workplace inclusivity, Professional Development, Team Leadership, Diversity and Inclusion, Leadership Development, Strategic Leadership, Leadership, Organizational Strategy, Organizational Leadership, People Development, Business Leadership, Personal Development, Team Building, Resilience, Strategic Thinking, Emotional Intelligence, Self-Awareness, Case Studies
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: UI/UX Research, Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, AI Personalization, User Experience Design, Design Research, Usability, Figma (Design Software), User Research, Web Content Accessibility Guidelines, Data Storytelling, Interactive Design, Generative AI, Design Strategies, UI Components, User Centered Design, Wireframing, Adobe XD, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Migration, Google Cloud Platform, Cloud Storage, Extract, Transform, Load, Data Pipelines, Big Data, Data Warehousing, Data Integration, Data Storage, SQL, Automation
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Chemical Engineering, Hazard Analysis, Process Engineering, Safety Assurance, Safety Training, Risk Management, Process Control, Failure Analysis, Accident Prevention, Risk Analysis
Intermediate · Course · 1 - 4 Weeks