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: Database Management, Relational Databases, MySQL, PHP (Scripting Language), SQL, Databases, Web Applications, Object Oriented Programming (OOP), Web Development, Hypertext Markup Language (HTML), Back-End Web Development, Data Access
★ 4.7 (26) · Intermediate · Guided Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Microsoft SQL Servers, SQL, Query Languages, Data Manipulation, Data Transformation, Database Software, Database Management, Pivot Tables And Charts, Relational Databases, Database Design, Data Processing, Databases, Data Presentation, Data Access, Extensible Markup Language (XML), Data Import/Export, Data Management, Data Sharing, Code Reusability
Mixed · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, OpenAI API, Fine-tuning, Model Training, Data Preprocessing, OpenAI, Large Language Modeling, Real Time Data, Data Processing, LLM Application, Data Manipulation, Generative AI, Python Programming, Customer Analysis, Machine Learning, Customer Insights, Customer Complaint Resolution
★ 4.1 (12) · Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Python Programming, Data Structures, Computer Programming, Software Engineering, Performance Tuning, Web Development, Performance Testing, Debugging, Web Development Tools
★ 4.7 (28) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Mathematical Software, Programming Principles, Statistical Analysis, Software Installation, Descriptive Statistics
Intermediate · Course · 3 - 6 Months

Skills you'll gain: JSON, Application Programming Interface (API), Restful API, Javascript, Web Applications, Hypertext Markup Language (HTML), Servers, Cascading Style Sheets (CSS)
★ 4.8 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computational Logic
★ 5 (21) · Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Mathematical Modeling, Epidemiology, Infectious Diseases, Model Evaluation, Simulations, Statistical Modeling, Model Optimization, Data Modeling, Public Health and Disease Prevention, Immunology, R Programming, Regression Analysis, Differential Equations, Statistical Methods, Public Health, Probability Distribution
★ 4.7 (56) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI) Design, Mobile Development, User Interface and User Experience (UI/UX) Design, React Native, Apple iOS, UI Components, Database Application, Android Development, iOS Development, Mobile Development Tools, Application Development, Databases, Cloud Applications, Database Software, Database Management, Database Management Systems, Flutter (Software), Application Design, Application Deployment, Back-End Web Development
★ 4.6 (14) · Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Root Cause Analysis, Customer Relationship Building, Customer Relationship Management, Relationship Management, Problem Management, Verbal Communication Skills, Cloud Management, Customer Support, Amazon Web Services, Technical Support and Services, Oral Expression, Customer and Client Support, Communication, Consultative Approaches, Technical Support, Cloud Security, Cloud Services, Automation, Collaboration, Incident Management
★ 4.9 (28) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Security Testing, Hardening, Brute-force attacks, IT Automation, Scripting Languages, Business Logic, Cloud Security, Network Analysis, Programming Principles, API Testing, General Data Protection Regulation (GDPR), Cloud Computing, Wireless Networks, Data Persistence, Application Programming Interface (API), Data Security
★ 4.7 (22) · Intermediate · Specialization · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Databricks, Data Pipelines, Data Lakes, Data Wrangling, Apache Spark, Data Access, Data Processing, Data Warehousing, Data Architecture, Data Management, Data Synthesis, Data Science, Data Mining, Data Integrity, Data Modeling, Data Presentation, Data Entry, Data Storage, SQL, Python Programming
★ 4.3 (9) · Beginner · Course · 1 - 4 Weeks