Software testing courses can help you learn test planning, test case design, automated testing, and performance testing. You can build skills in identifying bugs, writing effective test scripts, and using various testing methodologies. Many courses introduce tools like Selenium for automation, JUnit for unit testing, and JIRA for issue tracking, showing how these skills apply in real-world software development environments.

Skills you'll gain: TCP/IP, Network Protocols, Network Monitoring, OSI Models, Network Security, Web Servers, Network Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Web Analytics and SEO, Search Engine Optimization, Content Marketing, Web Analytics, Blogs, Search Engine Marketing, Content Creation, Marketing Strategy and Techniques, Digital Marketing, Growth Strategies, Content Strategy, Social Media Marketing, Market Research
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Security Testing, Threat Modeling, Exploitation techniques, Application Security, Vulnerability Assessments, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Graphic and Visual Design Software, Graphic Design, Design, Collaborative Software, Design Software, Content Creation, User Accounts, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Digital Transformation, Generative AI, ChatGPT, AI Enablement, Strategic Decision-Making, Software Development Tools, LLM Application, Prompt Engineering, Artificial Intelligence, User Interface (UI) Design, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Wireless Networks, Cloud Computing, Network Monitoring, Network Security, Event Monitoring, Network Performance Management, Software-Defined Networking, Ansible, Network Administration, Authentications, Virtualization, Encryption, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Restful API
Advanced · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Large Language Modeling, Model Evaluation, Prompt Engineering, Reinforcement Learning
Intermediate · Project · Less Than 2 Hours

Skillshare
Skills you'll gain: Logo Design, Packaging and Labeling, Adobe Illustrator, Brand Strategy, Competitive Analysis, Presentations, Content Creation, Target Audience, Storytelling, Branding, Color Theory, Product Design, Typography, Design Strategies, Social Media, Graphic Design, Layout Design, Animations, Design Software, Graphic and Visual Design Software
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Spring Boot, Restful API, Data Persistence, Software Testing, Java, Back-End Web Development, Front-End Web Development, Authentications, Data Modeling, Business Logic
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Data Integrity, Performance Tuning, CI/CD, Data Processing, Debugging, System Monitoring, Data Transformation, Unit Testing, Disaster Recovery
Advanced · Course · 1 - 3 Months

Skills you'll gain: Shell Script, Job Control Language (JCL), Unix Shell, File Management, User Accounts, Operating System Administration, Unix, Package and Software Management, Systems Administration, File Systems, TCP/IP, Unix Commands, System Monitoring, Disaster Recovery, System Software, System Configuration, Operating Systems, Data Storage, Software Installation, Data Centers
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Middleware, Node.JS, Model View Controller, Development Environment, Application Frameworks, Application Development, Restful API, TypeScript, Web Applications, Web Development Tools, Application Programming Interface (API), Server Side, Network Routing, Javascript, Android Development, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks