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: Vector Databases, AI Personalization, Embeddings, Hugging Face, MongoDB, NoSQL, PostgreSQL, Relational Databases, Generative AI, SQL, Databases, LLM Application, Applied Machine Learning, Database Design, Database Management, Apache Cassandra, Text Mining, Artificial Intelligence, Machine Learning, Data Science
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Data Preprocessing, Java, Data Structures, File I/O, Java Programming
Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Plot (Graphics), Data Presentation, Ggplot2, R (Software), Statistical Visualization, R Programming, Data Visualization Software, Data Analysis, Scatter Plots, Graphic and Visual Design, Histogram, Tidyverse (R Package), Public Administration, Trend Analysis, Policy Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Stored Procedure, Database Design, Git (Version Control System), Database Development, MySQL Workbench, MySQL, Databases, Database Application, Data Visualization Software, Version Control, SQL, Tableau Software, Data Modeling, Transaction Processing, Django (Web Framework), Project Management, Application Development
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Database Application, Web Servers, Web Applications, Cryptography, Data Encryption Standard, Authentications, Query Languages, Data Validation, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours
CertNexus
Skills you'll gain: Extract, Transform, Load, Data Migration, Data Manipulation, Data Preprocessing, Data Cleansing, Data Transformation, Data Warehousing, Data Integration, Data Collection, Data Mining, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, API Testing, Spring Boot, Authentications, Test Automation, JSON, Application Programming Interface (API), Test Script Development, Application Deployment, Spring Framework, Object-Relational Mapping, Test Case, Software Quality Assurance, Business Logic, Back-End Web Development, Integration Testing, Software Engineering, Java Programming, Java
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Computer Networking, Network Protocols, Web Applications, Computer Security Awareness Training, Network Routers, Wireless Networks, Technical Support and Services, Encryption, Security Awareness, Computer Literacy, System Configuration, Microsoft Office, Authentications, Microsoft Windows, Peripheral Devices, Patch Management, Technical Support, Mac OS, Database Management
Beginner · Specialization · 1 - 3 Months

University of London
Skills you'll gain: jQuery, HTML and CSS, Responsive Web Design, Bootstrap (Front-End Framework), Web Design, Javascript and jQuery, Web Development, Web Applications, Javascript
Mixed · Course · 1 - 3 Months
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Python Programming, Data Pipelines, Scripting, Computer Programming, Data-oriented programming, Scripting Languages, Software Engineering
Beginner · Guided Project · Less Than 2 Hours