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: Java, Java Programming, Program Development, Application Development, Programming Principles, Data Storage, Data Entry, Computer Programming, Algorithms
★ 4.6 (8) · Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Apple iOS, iOS Development, Transaction Processing, Mobile Development, Knowledge of Apple Software, User Interface (UI), User Interface and User Experience (UI/UX) Design, Payment Systems, User Experience
★ 4.7 (88) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Application Development, Large Language Modeling, Artificial Intelligence, Natural Language Processing
★ 3.4 (38) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
★ 4.3 (31) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Security Controls, Configuration Management, Package and Software Management, Cybersecurity, Identity and Access Management, Software Installation, Computer Programming, Information Technology
★ 4.6 (19) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Time Series Analysis and Forecasting, Python Programming
★ 4.8 (18) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, z/OS, COBOL (Programming Language), Unit Testing, Systems Analysis, Systems Development, Pseudocode, Program Development, Software Development Methodologies, Agile Methodology, Software Development, Software Design, Agile Software Development, Systems Architecture, Mainframe Computing, Scrum (Software Development), Test Planning, Mainframe Technologies, Software Testing
★ 4.2 (75) · Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Software Design, Systems Design, Software Design Documents, Software Documentation, System Design and Implementation, Internet Of Things, Technical Documentation, Technical Communication, Technical Writing, Mobile Development, Test Case, Development Testing, System Testing, Software Development, Embedded Software, Communication Systems, Embedded Systems, Systems Integration, Prototyping, System Implementation
★ 4.8 (13) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, Cross Platform Development, Mobile Development Tools, .NET Framework, Authentications, Application Development, User Interface (UI), Application Programming Interface (API), Application Frameworks, UI Components, C# (Programming Language), API Design, Development Environment, Object-Relational Mapping, Identity and Access Management, Authorization (Computing), Network Troubleshooting, Role-Based Access Control (RBAC), Software Design Patterns
★ 4.3 (6) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Exploit development, Exploitation techniques, Unix, Cyber Operations, Computer Security, Unix Commands, Unix Shell, System Programming, Linux, Debugging, Command-Line Interface, Linux Commands, Memory Management, Remote Access Systems
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Database Design, Performance Tuning, Data Warehousing, Apache Spark, Data Architecture, SQL, Query Languages, Data Transformation, Disaster Recovery, Database Management, PySpark, Infrastructure as Code (IaC), Cloud Computing Architecture, Distributed Computing, Scalability, Data Pipelines, Performance Analysis, Root Cause Analysis, Cost Management, Resource Management
Intermediate · Specialization · 3 - 6 Months