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.

Johns Hopkins University
Skills you'll gain: Statistical Hypothesis Testing, Sampling (Statistics), Regression Analysis, Bayesian Statistics, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistical Methods, Statistical Modeling, Linear Algebra, Probability, Probability Distribution, R Programming, Biostatistics, Data Analysis, Data Science, Statistics, Mathematical Modeling, Data Modeling, Applied Mathematics
★ 4.4 (800) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: C# (Programming Language), .NET Framework, JSON, ASP.NET, Application Deployment, Maintainability, File I/O, Data Persistence, Application Frameworks, Application Development, Object-Relational Mapping, Database Application, SQL, Extensible Languages and XML, Extensible Markup Language (XML), Programming Principles, Back-End Web Development, Object Oriented Programming (OOP), Object Oriented Design, Web Development
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Talent Recruitment, Workforce Planning, Recruitment Strategies, Employee Onboarding, Recruitment, Employee Engagement, Human Resources Management and Planning, Talent Acquisition, Human Resources, Workforce Management, New Hire Orientations, Forecasting, Drive Engagement, Talent Sourcing, People Analytics, Law, Regulation, and Compliance, Interviewing Skills
★ 4.7 (4.7K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Electronic Medical Record, Electronic Medical Record System, Patient Registration, Health Information Management and Medical Records, Medical Records, Health Information Management, Patient Safety, Data Cleansing, Reconciliation, Records Management, Clinical Documentation, Record Keeping, Data Validation, Data Integrity, Clinical Data Management, Consolidation, Data Quality
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Persuasive Communication, Storytelling, Influencing, Communication, Leadership, Verbal Communication Skills, Stakeholder Communications, Public Speaking, Communication Strategies, Leadership Studies, Interpersonal Communications, Meeting Facilitation, Strategic Communication, Discussion Facilitation, Team Leadership, Relationship Building, Trustworthiness
★ 4.8 (2.5K) · Mixed · Course · 1 - 3 Months

ISSA (International Sports Sciences Association)
Skills you'll gain: Nutrition Counseling, Nutrition and Diet, Nutritional Assessment, Dietetics, Nutrition Education, Exercise Science, Nutrition Care Plans, Clinical Nutrition, Culture, Biology, Critical Thinking, Health Assessment, Physiology, Biochemistry, Health And Wellness Coaching, Health Education, Health Care, Athletic Training, Coaching, Mental and Behavioral Health
Beginner · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Big Data, Internet Of Things, Social Network Analysis, Text Mining, Apache Hadoop, Business Intelligence, Social Media Analytics, Unstructured Data, Analytics, Cloud Computing, Cloud Infrastructure, Data-Driven Marketing, Data Science, Fraud detection, Customer Retention, Marketing Strategies
★ 4.6 (323) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, Program Development, User Interface (UI)
★ 4.2 (13) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cryptography, Encryption, Android Development, Key Management, Exploit development, Android (Operating System), Secure Coding, Mobile Security, Data Security, Application Security, Data Loss Prevention, Network Security, Exploitation techniques, Memory Management, File Systems
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Clinical Data Management, Clinical Research, Data Quality, Health Informatics, Time Series Analysis and Forecasting, Data Cleansing, Data Analysis, Data Modeling, Data Science, Analytical Skills, Statistical Reporting, Data Preprocessing, Electronic Medical Record
★ 4.9 (28) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Engineering, Data Manipulation, Data Store, Data Warehousing, SQL, Data Pipelines, Extract, Transform, Load, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Stored Procedure, Cloud Services, LLM Application, Application Frameworks, Generative AI, Large Language Modeling, Applied Machine Learning, Data Science, Machine Learning
★ 4.8 (240) · Beginner · Course · 1 - 4 Weeks

Chegg Skills
Skills you'll gain: Prompt Engineering, Business Analytics, Server Side, Development Environment, Analytics, Responsible AI, Decision Support Systems, Pseudocode, Back-End Web Development, Data Literacy, Business Intelligence, Python Programming, Data Analysis, Web Development, Programming Principles, Data-Driven Decision-Making, Artificial Intelligence, Generative AI, Problem Solving, Critical Thinking
Beginner · Specialization · 1 - 3 Months