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: Apache Spark, Data Pipelines, PySpark, Real Time Data, Query Languages, Data Transformation, SQL, Data Processing, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

University of Pennsylvania
Skills you'll gain: Advertising, English Language, Media and Communications, Vocabulary, Language Learning, Literacy, Electronic Media, Cultural Diversity, Social Impact, Grammar, Facebook
Mixed · Course · 1 - 3 Months
Curtis Institute of Music
Skills you'll gain: Music Performance, Instrumental Music, Music History, Classical Music, Performing Arts, Music, Music Theory
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Game Theory, Strategic Decision-Making, Strategic Thinking, Decision Making, Systems Thinking, Complex Problem Solving, Spreadsheet Software
Intermediate · Guided Project · Less Than 2 Hours

University of Geneva
Skills you'll gain: Physics, Engineering, Scientific, and Technical Instruments, electromagnetics, Laboratory Equipment, Physical Science, Laboratory Experience, Mechanics, Experimentation, Research, Applied Mathematics
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Balance Sheet, Financial Statements, Financial Statement Analysis, Financial Reporting, Financial Accounting, Accounting, Equities, Asset Management, Accounts Receivable, Accounts Payable
Beginner · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Engineering, Scientific, and Technical Instruments, Radiation Therapy, Medical Equipment, Materials science, Semiconductors, electromagnetics, Physics, Emerging Technologies, Laboratory Equipment, Electrical Engineering, Simulation and Simulation Software
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, File I/O, Object Oriented Programming (OOP), Application Frameworks, Debugging, Data Persistence, Data Structures
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Programming, Statistical Analysis, Debugging, Data Analysis, Simulations, Programming Principles, Integrated Development Environments, Data Import/Export, Data Structures, Data Manipulation, Computer Programming, Performance Tuning, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Business Process Modeling, Risk Analysis, Performance Measurement, Stakeholder Management, Process Analysis, Business Analysis, Risk Management, Requirements Elicitation, Process Design, Requirements Management, Business Process, Process Mapping, Process Improvement, Business Systems Analysis, Business Risk Management, Gap Analysis, Enterprise Risk Management (ERM), Business Requirements, SAP Applications
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Model Evaluation, Data Preprocessing, Tensorflow, Applied Machine Learning, Feature Engineering, Data Cleansing, Classification And Regression Tree (CART), Machine Learning, Random Forest Algorithm, Pandas (Python Package), Data Analysis, Exploratory Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

The Hong Kong University of Science and Technology
Skills you'll gain: Musical Composition, Music Theory, Music, Music History, Classical Music, Creativity
Intermediate · Course · 1 - 4 Weeks