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: z/OS, Computer Architecture, Mainframe Computing, System Programming, Computer Programming, Computational Logic, Data Storage, Job Control Language (JCL)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Testability, Functional Testing, Test Case, Software Testing, Python Programming, File I/O, File Systems
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Database Management, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Penetration Testing, Security Testing, Application Security, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Blockchain, Incident Response, Vulnerability Scanning, Code Review, Data Validation
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Data Storytelling, SQL, Data Engineering, Data Presentation, Key Performance Indicators (KPIs), Star Schema, Dashboard, Data Modeling, Data Quality, Business Analytics, Database Design, Data Mart, Business Intelligence, Data Validation, Analytics, YAML, Data Pipelines, Data Transformation, Performance Tuning, Analysis
Intermediate · Specialization · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Data Preprocessing, Feature Engineering, Data Import/Export, Exploratory Data Analysis, Data Cleansing, Statistical Visualization, Data Manipulation, Data Visualization, Data Transformation, Pandas (Python Package), Box Plots, Python Programming, Data Science, Scikit Learn (Machine Learning Library)
Advanced · Course · 1 - 3 Months

Codio
Skills you'll gain: Matplotlib, Statistical Hypothesis Testing, Data Analysis, Statistical Analysis, Data Import/Export, Data Cleansing, Probability & Statistics, Data Manipulation, Descriptive Statistics, Pandas (Python Package), Exploratory Data Analysis, Correlation Analysis, Python Programming, Programming Principles, Computer Programming, Computational Logic
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, HTML and CSS, UI Components, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), Web Design, Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Data-Driven Decision-Making, Logistic Regression, Statistical Modeling, Model Evaluation, Predictive Modeling, Regression Analysis, R Programming, Statistics, Data Analysis, Probability & Statistics, Statistical Inference
Beginner · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Javascript, HTML and CSS, Web Development, Web Applications, Front-End Web Development, Event-Driven Programming, Computational Thinking, Software Testing, Application Development, Software Development, Software Development Tools, Computer Programming Tools, Development Environment, Programming Principles, Computer Graphics, Animations
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Java Programming, Java, System Programming, OS Process Management, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Game Design, User Interface (UI), Video Game Development, User Interface (UI) Design, Virtual Environment, 3D Assets, Animations, Augmented and Virtual Reality (AR/VR), No-Code Development, Computer Graphics, Software Installation, Content Management, Configuration Management
Beginner · Course · 1 - 3 Months