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: JavaScript Frameworks, React.js, Application Development, Application Frameworks, Application Deployment, Web Frameworks, Web Applications, Front-End Web Development, Development Environment, Web Development Tools, Web Development, Frontend Performance, HTML and CSS, Responsive Web Design, Data Access, Server Side, Configuration Management
★ 4.5 (32) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Integration, Spring Boot, Configuration Management, API Gateway, JUnit, Java Programming, Enterprise Application Management, Java, Test Tools, Unit Testing, Application Programming Interface (API), Development Testing, Software Design Patterns, Authentications
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Seaborn, Matplotlib, Predictive Modeling, Data Preprocessing, Supervised Learning, NumPy, Plot (Graphics), Model Evaluation, Applied Machine Learning, Predictive Analytics, Dimensionality Reduction, Artificial Intelligence and Machine Learning (AI/ML), Data Processing, PyTorch (Machine Learning Library), Scatter Plots, Python Programming, Data Science, Machine Learning, Data Analysis
★ 4.7 (52) · Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: jQuery, Javascript, Web Applications, Ajax, Front-End Web Development, Hypertext Markup Language (HTML)
★ 4.4 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Audit Working Papers, Blockchain, Web Development Tools, Software Design Patterns, Software Development Tools, Application Development, Computer Programming Tools, Development Environment, Digital Assets, Program Development, Distributed Computing, Software Development, Go (Programming Language), Cryptography, Transaction Processing, FinTech, Encryption, Business Logic, Business Analysis, Virtual Machines
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Redis, Data Persistence, Data Store, NoSQL, Performance Tuning, Transaction Processing, Key Management, Server Administration, Data Structures, Data Storage, Real Time Data, Data Management, Servers, Event-Driven Programming, Scalability, Data Access, Scripting Languages, Software Architecture, Memory Management, Query Languages
★ 4.9 (18) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: File I/O, Code Reusability, Python Programming, Programming Principles, Data Dictionary, File Systems, Computational Logic, Command-Line Interface, Data Cleansing, Data Structures, Package and Software Management, File Management, Scripting, Data Manipulation, Logical Reasoning, Development Environment, Simulations
★ 4.8 (59) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Software Quality Assurance, Quality Assurance, Test Automation, Software Quality (SQA/SQC), Test Tools, Agile Software Development, Agile Product Development, Software Testing, Agile Methodology, Automation, Analysis, Collaboration
★ 4.9 (13) · Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Language Competency, Hotels and Accommodations, Spanish Language, Business Communication, Oral Expression, Verbal Communication Skills, Travel Arrangements, Oral Comprehension, Hospitality, Language Learning, Food Services, Intercultural Competence, Consolidation, Vocabulary, Food and Beverage, Cultural Sensitivity, Price Negotiation, Purchasing
★ 4.6 (49) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft SQL Servers, Performance Tuning, SQL, Database Management, Database Management Systems, Query Languages, System Monitoring, Application Performance Management
★ 4.4 (11) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Embedded Systems, Embedded Software, Automation Engineering, Robotics, Control Systems, Machine Controls, Electronic Systems, Industrial Engineering, Internet Of Things, Automation, Vibrations, Electronic Hardware, C (Programming Language), Power Electronics, Peripheral Devices, Electronics, Wireless Networks, Medical Equipment and Technology, Medical Devices, Electric Power Systems
★ 4.4 (18) · Intermediate · Specialization · 3 - 6 Months