Programming languages courses can help you learn syntax, data structures, algorithms, and object-oriented programming. You can build skills in debugging, code optimization, and software development methodologies. Many courses introduce tools like Git for version control, integrated development environments (IDEs) such as Visual Studio Code, and frameworks like React or Django, that support creating robust applications and enhancing your coding efficiency.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Digital Communications, Communication Systems, Telecommunications, Numerical Analysis, Systems Analysis, Jupyter
★ 4.7 (198) · Intermediate · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Data Literacy, Data-Driven Decision-Making, Cloud Solutions, Cloud Security, Business Analytics, Infrastructure as Code (IaC), Team Oriented, Virtual Machines, Exploratory Data Analysis, Hybrid Cloud Computing, Data Management, Data Visualization Software, Process Design, System Monitoring, Enterprise Security, Software As A Service, Data Processing, Data Manipulation, Statistical Software, Data Import/Export
★ 4.5 (123) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: iOS Development, Apple iOS, Swift Programming, Apple Xcode, Code Review, UI Components, Unit Testing, Mobile Development, User Interface (UI), User Interface (UI) Design, Application Development, User Interface and User Experience (UI/UX) Design, Application Design, Interactive Design, Code Reusability
★ 4.7 (248) · Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Agile Project Management, Risk Management, Project Scoping, Planning, Agile Methodology, Scrum (Software Development), Risk Control, Scaled Agile Framework, Team Oriented, User Story, Sprint Planning, Agile Software Development, Team Building, Team Motivation, People Management, Project Implementation, Process Management, Business Solutions, Workflow Management, Timelines
★ 4.8 (404) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Android Studio, Android Jetpack, Android Development, Mobile Development, Kotlin, User Interface (UI), UI Components, User Interface (UI) Design, Cross Platform Development, Event-Driven Programming, Animations, Extensible Markup Language (XML)
★ 4.6 (156) · Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Blockchain, Test Driven Development (TDD), Development Testing, Test Script Development, Application Development, Application Design, Application Frameworks, Integrated Development Environments, Web Development Tools, Software Architecture, Web Applications, Development Environment, Frontend Integration, Application Deployment, Application Programming Interface (API), Software Development Tools, Interoperability, Command-Line Interface
★ 4.5 (1.2K) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Warehousing, Database Design, Data Integration, Extract, Transform, Load, Data Modeling, Relational Databases, Data Architecture, Business Intelligence, SQL, Pivot Tables And Charts, PostgreSQL, Data Transformation, Project Management
★ 4.4 (1.1K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: C and C++, File I/O, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Data Structures, C (Programming Language), Code Reusability, Development Environment, Program Development, Programming Principles, Computer Programming, Memory Management, Computer Programming Tools, Data Persistence, Integrated Development Environments, Algorithms, Functional Design, Data Management
★ 4.6 (21) · Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Stored Procedure, SQL, Data Presentation, Query Languages, Relational Databases, Database Development, Database Administration, Data Science
★ 4.5 (405) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Exploratory Data Analysis, Predictive Modeling, Statistical Process Controls, Correlation Analysis, Statistics, Data-Driven Decision-Making, Statistical Modeling, Statistical Hypothesis Testing, Statistical Methods, Statistical Software, Probability & Statistics, Regression Analysis, Statistical Inference, Predictive Analytics, Data Analysis, SAS (Software), Scatter Plots, Experimentation, Analytical Skills, Data Visualization
★ 4.8 (101) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Unsupervised Learning, Dimensionality Reduction, Scikit Learn (Machine Learning Library), Machine Learning Algorithms, Applied Machine Learning, Data Preprocessing, Text Mining, Machine Learning, Big Data, Model Evaluation, Performance Metric
★ 4.7 (370) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: WordPress, Search Engine Optimization, Web Analytics and SEO, Blogs, Content Optimization, Web Analytics, Content Performance Analysis, Web Content, Keyword Research, Content Management, Marketing, Analytics, Web Design, Web Development, User Experience
★ 4.5 (800) · Advanced · Guided Project · Less Than 2 Hours