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: Web Services, Restful API, Apache Maven, Build Tools, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Application Programming Interface (API), Java, Java Programming, API Design, Object-Relational Mapping, Data Persistence, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Android (Operating System), Android Development, Mobile Development, Software Architecture, Live Streaming, Application Frameworks, Performance Tuning, Middleware, Image Quality, Linux
★ 3.1 (8) · Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, Agile Software Development, Agile Methodology, Requirements Analysis, Agile Project Management, Requirements Management, Software Development Methodologies, User Requirements Documents, Requirements Elicitation, User Story, Waterfall Methodology, Software Architecture, Project Management, Cross-Functional Collaboration, Quality Assurance
★ 4.9 (21) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Matplotlib, Seaborn, Exploratory Data Analysis, Data Visualization, Pandas (Python Package), Plot (Graphics), Statistical Visualization, Data Visualization Software, Analysis, Data Analysis, Statistical Analysis, Python Programming
★ 4.3 (6) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Distributed Computing, Scalability, Database Design, Database Management Systems, Database Systems, Database Theory, Database Architecture and Administration, Database Management, Relational Databases, SQL, Query Languages, Performance Tuning, Data Integrity
★ 3.3 (7) · Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Prompt Patterns, Prompt Engineering Tools, LangChain, Retrieval-Augmented Generation, Generative AI, AI Workflows, LLM Application, Large Language Modeling, OpenAI API, Data Synthesis
★ 4.3 (7) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Endpoint Security, Database Application, Web Applications, Cryptography, Object-Relational Mapping, Authentications, Data Access, Query Languages, Computer Programming
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Program Development, Python Programming, Jupyter, Interactive Design, Code Reusability, Mathematical Software, Algorithms, Computer Programming, Programming Principles, Algebra, Linear Algebra, Applied Mathematics, Object Oriented Programming (OOP)
★ 4.8 (36) · Beginner · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: Restful API, Rust (Programming Language), API Design, Object-Relational Mapping, Application Programming Interface (API), Server Side, Back-End Web Development, System Programming, Web Frameworks, Web Development, Web Servers, Software Documentation, Web Applications, Scalability, Database Management, Network Protocols
★ 3.8 (8) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Matlab, Estimation, Applied Mathematics, Statistical Methods, Numerical Analysis, Mathematical Modeling, Control Systems, Mathematical Software, Simulation and Simulation Software, Model Evaluation, Derivatives, System Implementation, Calculus
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Game Design, Video Game Development, Animation and Game Design, Software Design Documents, Software Design, Scripting, Scripting Languages, Program Development, 3D Modeling, Computer Graphics, Interactive Design, Programming Principles, User Interface (UI), Development Environment, Visual Design
Beginner · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Relational Databases, MySQL, Data Management, Database Design, Data Warehousing, Data Visualization, Data Visualization Software, Interactive Data Visualization, Data Security, Dashboard Creation, Dashboard, Database Management, Data Presentation, Tableau Software, Data Cleansing, SQL, Microsoft Excel, Data Governance, Data Manipulation, Data Preprocessing
★ 5 (9) · Advanced · Course · 1 - 3 Months