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.

Coursera
Skills you'll gain: PySpark, Matplotlib, Apache Spark, Big Data, Data Processing, Distributed Computing, Data Management, Data Visualization, Data Analysis, Data Manipulation, Data Cleansing, Query Languages, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: JUnit, File I/O, Java Programming, Object Oriented Programming (OOP), Java, Unit Testing, Program Development, Maintainability, Software Development, Secure Coding, Software Testing, Programming Principles, Computer Programming, Test Case, Application Development, Application Design, Debugging, Mathematical Software, Solution Design, Design Strategies
Beginner · Specialization · 1 - 3 Months
Stanford University
Skills you'll gain: Algorithms, Graph Theory, Theoretical Computer Science, Computational Thinking, Data Structures, Pseudocode, Operations Research
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Cloud Infrastructure, Network Architecture, Computer Networking, Cloud Computing Architecture, Software-Defined Networking, Cloud Computing, Network Routing, TCP/IP, Wide Area Networks, Data Centers, Network Performance Management, Network Switches, Virtual Machines, Scalability, Python Programming
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development Tools, Browser Compatibility, Application Deployment, Front-End Web Development, Web Development, Animations, Development Environment, UI Components, Usability, Javascript, Frontend Performance, Maintainability, User Interface (UI)
Beginner · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Requirements Analysis, Unified Modeling Language, Object Oriented Design, Functional Requirement, Data Modeling, Object Oriented Programming (OOP), Systems Development Life Cycle, System Requirements, Diagram Design, Software Development, Software Engineering, Software Systems, Model Evaluation, Project Planning, Project Management
Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Import/Export, Technical Communication, Data Analysis, Exploratory Data Analysis, Data Visualization Software, Data Cleansing, Matlab, Statistical Analysis, Probability & Statistics, Descriptive Statistics, Data Manipulation, Data Mapping, Scripting
Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Responsible AI, A/B Testing, Design Thinking, Ideation, Generative AI, AI Product Strategy, UI/UX Research, Brainstorming, Data Ethics, Experience Design, Innovation, User Research, Data Storytelling, Data Analysis, AI Enablement, Artificial Intelligence, Prompt Engineering, Critical Thinking, Business Consulting, Problem Solving
Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Application Security, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Amazon Web Services, SQL, Operating Systems, C (Programming Language)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Gateway, Application Programming Interface (API), Cloud API, API Design, Continuous Deployment, CI/CD, Restful API, Continuous Integration, Middleware, JSON, Software Versioning, Proxy Servers, Scalability, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Data Storage, Query Languages, Vector Databases, Data Lakes, File Systems, Database Systems, SQL, Databases, Database Management Systems, Data Architecture, Cloud Storage, Data Warehousing, Apache Kafka, Amazon Web Services, Amazon S3, Data Pipelines, Apache Spark, Performance Tuning, Data Transformation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Simulations, Mathematical Modeling, Electrical Engineering, Electronic Systems, Matlab, Electrical Systems, Engineering Calculations, Laboratory Testing, Basic Electrical Systems, Estimation
Intermediate · Course · 1 - 3 Months