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.

Arizona State University
Skills you'll gain: Research, Data Collection, Investigation, Experimentation, Scientific Methods, Research Methodologies, Data Sharing, Persuasive Communication, Data Analysis, Information Management
★ 4.4 (14) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, Power BI, Dashboard, Power Platform Architecture & Technical Design, No-Code Development, Data Visualization, Data Integration, Interactive Data Visualization, Business Intelligence, Process Design, Workflow Management, Dashboard Creation, Business Process Automation, Productivity Software, Application Development, Process Modeling, Performance Analysis, Generative AI Agents, Application Design
★ 4.2 (355) · Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Responsible AI, AI literacy, Delegation Skills, Legal Technology, Critical Thinking, Time Management, AI Enablement, AI powered creativity, Artificial Intelligence, Legal Risk, Advocacy, AI Integrations, Leadership Development, Lifelong Learning, Professional Development, Constructive Feedback, Leadership, Creativity, Generative AI, Communication
★ 4.6 (86) · Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Performing Arts, Sociology, Interactive Learning, Liberal Arts, Storytelling, Social Sciences, Lecturing, Culture, Community Outreach, Education and Training, Psychology, Investigation, Community and Social Work
★ 4.7 (32) · Beginner · Course · 1 - 3 Months

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Transaction Processing, Emerging Technologies, Payment Systems, FinTech, Encryption, Data Structures, Public Key Cryptography Standards (PKCS), Virtualization and Virtual Machines, Network Protocols, Distributed Computing, Network Architecture, Algorithms
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Pharmacotherapy, Neurology, Human Musculoskeletal System, Research, Science and Research
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Problem Solving, Critical Thinking and Problem Solving, Root Cause Analysis, Professional Development, Creative Problem-Solving, Collaboration, Critical Thinking, Creative Thinking, Personal Development, Analysis, Agile Project Management
★ 4.6 (810) · Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Environmental Monitoring, Water Quality, Environmental Engineering and Restoration, Hydrology, Environmental Engineering, Water Resources, Environmental Science, Mathematical Modeling, Analytical Chemistry, Molecular, Cellular, and Microbiology, Microbiology, Chemistry
★ 4.8 (511) · Advanced · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Security Engineering, Interoperability, Unix, Embedded Software, Information Systems Security, OS Process Management, Embedded Systems, Operating Systems, Data Security, Memory Management, Authorization (Computing), Linux
★ 3.9 (11) · Mixed · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Strategic Decision-Making, Team Management, Technology Strategies, Strategic Thinking, Business Modeling, People Management, Innovation, Decision Making, Organizational Strategy, Product Lifecycle Management, Business Strategy, New Product Development, Intellectual Property, Value Propositions, Commercialization, Competitive Analysis, Market Dynamics, Creativity
★ 4.8 (1.3K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Statistical Reporting, Microsoft Office, Statistical Analysis, Productivity, Timelines, Productivity Software, Analysis, Trend Analysis, Financial Analysis, Statistical Methods, Business Reporting, Financial Reporting, Forecasting, Finance, Business, Job Analysis, Environment
Mixed · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), Kubernetes, Containerization, OAuth, Istio, Microservices, Spring Framework, API Gateway, Spring Boot, Cloud-Native Computing, Restful API, CI/CD, Authentications, Prometheus (Software), Application Programming Interface (API), Data Persistence, Software Architecture, Java, Solution Architecture, Resilience
Intermediate · Specialization · 3 - 6 Months