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.

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Network Security, Network Monitoring, Exploitation techniques, Cybersecurity, Vulnerability Scanning, Cryptographic Protocols, Remote Access Systems, Network Protocols, Encryption, General Networking, Command-Line Interface, Network Analysis, Proxy Servers
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Hypothesis Testing, Statistical Analysis, Probability & Statistics, Statistical Methods, Statistical Programming, Probability Distribution, Data Analysis, Statistical Software, Markov Model, Data Science, Statistical Modeling, Statistical Inference, Probability, Correlation Analysis, R Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, Animation and Game Design, Animations, UI Components, Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Debugging, Software Testing, Performance Testing, Unit Testing, Test Engineering, System Testing, Test Tools, Test Automation, Testability, Integration Testing, Performance Stress Testing, .NET Framework, Performance Tuning, Software Development Tools
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Java Programming, Relational Databases, Databases, Java, Web Servers, SQL, Authentications, Web Applications, Secure Coding, Software Design Patterns, Data Persistence
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Software Design Patterns, Data Management, Data Structures, Web Development, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Android (Operating System), User Interface (UI) Design, Code Reusability, UI Components, Release Management, Development Environment, Programming Principles
Intermediate · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Statistical Machine Learning, Model Evaluation, Statistical Methods, Logistic Regression, Statistical Modeling, Python Programming, Supervised Learning, Machine Learning Methods, Machine Learning, Classification Algorithms, Regression Analysis, Statistical Analysis, Applied Machine Learning, Predictive Modeling, Probability & Statistics, Bayesian Statistics, Dimensionality Reduction, Statistical Hypothesis Testing, Model Optimization
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Embedded Software, Real-Time Operating Systems, Embedded Systems, Software Architecture, Code Reusability, Pseudocode, Microarchitecture, Memory Management, Systems Architecture, Hardware Architecture, Computer Hardware, Electronic Hardware, System Programming, Computer Architecture, Software Design, Cross Platform Development, Systems Design, Software Design Patterns, Internet Of Things, Hardware Troubleshooting
Intermediate · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Power BI, Data Transformation, Data Manipulation, Data Wrangling, Data Visualization Software, Data Cleansing, Data Visualization, Data Storytelling, Microsoft Power Platform, Interactive Data Visualization, Data Presentation, Business Intelligence, Data Analysis, Data Analysis Software, Microsoft Excel, Data Quality, Query Languages, Microsoft PowerPoint, Microsoft 365
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, .NET Framework, Software Design Patterns, Software Design, Object-Relational Mapping, Software Architecture, Systems Architecture, C# (Programming Language), Enterprise Architecture, Maintainability, Docker (Software), Database Development, Database Management, Dependency Analysis, Event-Driven Programming, Data Migration
Intermediate · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Vibrations, Matlab, Engineering Analysis, Mechanical Engineering, Mechanical Design, Mathematical Software, Applied Mathematics, Mechanics, Differential Equations, Mathematical Modeling, Control Systems
Intermediate · Course · 1 - 3 Months