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.

Skills you'll gain: Embedded Software, System Programming, Software Development Tools, Embedded Systems, Software Development, Debugging, Application Security, C (Programming Language), Application Development, Computer Architecture, C++ (Programming Language), Performance Tuning
Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Data Persistence, Data Analysis, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Javascript, Event-Driven Programming, Web Design and Development, Web Applications, Interaction Design, Scripting, Web Development, Data Validation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Keras (Neural Network Library), Artificial Neural Networks, Applied Machine Learning, Deep Learning, Python Programming, Performance Tuning, Machine Learning Algorithms, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Bash (Scripting Language), Systems Administration, Operating System Administration, Shell Script, Linux Commands, Linux Administration, Unix Shell, Linux, Unix, Scripting, Scripting Languages, Unix Commands
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, PostgreSQL, Query Languages, Data Manipulation
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Computational Thinking, Algorithms, Graph Theory, Data Structures, Computer Programming, C++ (Programming Language), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: NumPy, Pandas (Python Package), Image Analysis, Data Manipulation, Matplotlib, Computer Vision, Data Analysis, Interactive Data Visualization, Python Programming, Data Visualization, JSON, Programming Principles, Scripting, Scripting Languages, Data Structures, Development Environment, Microsoft Visual Studio, Integrated Development Environments, Computer Programming, Software Installation
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, AI Workflows, Hugging Face, Unstructured Data, SQL, Web Services, Prompt Engineering, AI Enablement, Database Management, Restful API, Data Processing
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Data-Driven Decision-Making, Data Visualization, Business Analytics, Data Analysis, Data Cleansing, Statistical Analysis, Data Preprocessing, Exploratory Data Analysis, Matplotlib, Customer Analysis, Analytical Skills, Trend Analysis, Pandas (Python Package), Python Programming, Jupyter
Intermediate · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Javascript and jQuery, Responsive Web Design, Cascading Style Sheets (CSS), Web Design and Development, HTML and CSS, GitHub, Web Applications, JavaScript Frameworks, Web Development Tools, Git (Version Control System), Infrastructure Architecture, Browser Compatibility, Animations
Build toward a degree
Beginner · Course · 1 - 3 Months