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.

Skills you'll gain: Natural Language Processing, Text Mining, Data Manipulation, Unstructured Data, Markov Model, Data Preprocessing, Python Programming, Applied Machine Learning, Feature Engineering, Algorithms, Probability & Statistics
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Environmental Laws, Environment, Environmental Policy, Sustainable Development, Environmental Issue, Sanitation, Hazard Analysis, Public Health, Water Resources, Environmental Monitoring, Risk Analysis, Epidemiology, Water Quality, Pollution Prevention, Climate Change Adaptation
Build toward a degree
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Derivatives, Mortgage Loans, Securities (Finance), Credit Risk, Financial Modeling, Risk Modeling, Financial Market, Mathematical Modeling, Securities Trading, Applied Mathematics, Investment Banking, Microsoft Excel, Risk Analysis, Cash Flows, Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, Talent Acquisition, Compliance Management, Human Resources, HR Tech, Generative AI, Performance Review, Generative AI Agents, ChatGPT, Human Capital, Workforce Planning, AI Workflows, Employee Onboarding, Employee Engagement, Large Language Modeling
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, Vocabulary, English Language, Language Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Android Development, User Interface (UI) Design, Animation and Game Design, Mobile Development, Linear Algebra, Computer Graphics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cyber Security Assessment, Security Testing, Vulnerability Assessments, Penetration Testing, Vulnerability Scanning, Threat Modeling, Vulnerability Management, Security Strategy, Security Controls, Security Requirements Analysis, White-Box Testing
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Interviewing Skills, Negotiation, Telephone Skills, Presentations, Marketing Planning, Oral Expression, Concision, Public Speaking, Professional Development, Applicant Tracking Systems, English Language, Verbal Communication Skills, Persuasive Communication, Strategic Marketing, Business Writing, Cultural Responsiveness, Recruitment, Adaptability, Communication, Writing
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Public Key Cryptography Standards (PKCS), Key Management, Cryptography, Encryption, Authentications, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Metadata Management, Data Migration, Cloud Engineering, Google Cloud Platform, Extract, Transform, Load, Data Processing, Big Data, Data Import/Export, Data Lakes, Apache Airflow, Data Integration, Data Storage, Automation, Data Transformation, Serverless Computing
Beginner · Course · 1 - 3 Months

Skills you'll gain: GitHub, Git (Version Control System), Open Source Technology, Version Control, Software Development Tools, File Management, Collaborative Software, System Configuration, Software Documentation
Beginner · Course · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Go (Programming Language), File I/O, Data Structures, Object Oriented Programming (OOP), Software Design Patterns, Debugging, Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Integrated Development Environments, Graph Theory, Software Testing, Artificial Intelligence, Integration Testing, Software Design, System Design and Implementation, Game Design
Intermediate · Specialization · 3 - 6 Months