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: Authentications, OAuth, Back-End Web Development, Event-Driven Programming, Database Management, Databases, Authorization (Computing), Redis, Secure Coding, Application Programming Interface (API), Restful API, Email Automation, Data Migration
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Statistical Visualization, Model Evaluation, Data Presentation, Statistical Hypothesis Testing, Statistical Analysis, Data Storytelling, Large Language Modeling, Statistical Methods, Data-Driven Decision-Making, Matplotlib, Statistical Inference, Jupyter, Probability & Statistics, Experimentation, Performance Metric
Intermediate · Course · 1 - 4 Weeks

Coursera
Intermediate · Specialization · 3 - 6 Months
University of London
Skills you'll gain: Computer Science, Computer Systems, Web Applications, Computer Literacy, Network Security, Computer Networking, Computational Thinking, Debugging, Web Design and Development, Cybersecurity, Problem Management, Software Architecture, Data Storage
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Engineering, Network Troubleshooting, Network Architecture, Virtual Networking, Network Monitoring, Network Performance Management, Google Cloud Platform, Hybrid Cloud Computing, Cloud Computing Architecture, Virtual Private Networks (VPN), Kubernetes, Network Security, Network Routing, Cloud Security, Load Balancing
Advanced · Course · 1 - 3 Months

Skills you'll gain: Apache Airflow, Data Pipelines, Data Validation, Extract, Transform, Load, Data Migration, Data Quality, Data Integrity, Data Transformation, Data Modeling, System Monitoring, Continuous Monitoring, Scalability, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, 3D Assets, Game Design, Virtual Environment, Video Game Development, Debugging, Computer Graphics, Algorithms, Scripting, Computer Programming
Advanced · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Threat Detection, Event Monitoring, Security Information and Event Management (SIEM), Incident Management, Security Management, Continuous Monitoring, Network Security, Network Monitoring, Splunk, Network Analysis, TCP/IP, Network Protocols, Query Languages
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: User Story, Behavior-Driven Development, DevSecOps, Agile Project Management, Test Driven Development (TDD), Backlogs, Sprint Planning, Kanban Principles, Agile Methodology, Scrum (Software Development), Continuous Integration, Agile Software Development, Project Risk Management, Sprint Retrospectives, Lean Methodologies, Scaled Agile Framework, DevOps, Risk Management, Agile Product Development, Management Reporting
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Version Control, Hypertext Markup Language (HTML), GitHub, Git (Version Control System), HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Web Development, Web Design, Image Quality, Web Content, Front-End Web Development, Web Servers, Semantic Web, Cloud Hosting
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Responsive Web Design, Color Theory, Version Control, Typography, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), GitHub, Git (Version Control System), Web Design, Web Design and Development, Web Development, Web Content Accessibility Guidelines, Front-End Web Development, Image Quality, Web Applications, Animations, Web Content, Mobile Development, User Interface (UI) Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Adobe Express, Responsible AI, Logo Design, Digital Design, Layout Design, Generative AI, Social Media, Content Creation, Graphic Design, Social Media Management, Creative Design, Adobe Photoshop, Visual Design, Content Marketing, Infographics, Content Strategy, Typography, Color Theory, Storytelling, Branding
Beginner · Professional Certificate · 3 - 6 Months