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.

University of Washington
Skills you'll gain: GitHub, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Git (Version Control System), HTML and CSS, Web Design and Development, Web Development, Front-End Web Development, Web Content Accessibility Guidelines, Cloud Hosting, Debugging, Semantic Web, Web Analytics and SEO, Responsive Web Design
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Application Security, Secure Coding, Security Testing, Vulnerability Scanning, Security Controls, Intrusion Detection and Prevention, Security Awareness, Web Applications, Browser Compatibility, Computer Programming
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Billing, Amazon Web Services, Amazon S3, Amazon Elastic Compute Cloud, Cost Estimation, Capacity Management, Cloud Services, Product Support, Technical Support
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Data Migration, Google Cloud Platform, Operational Databases, Database Administration, Virtual Private Networks (VPN), Database Management
Advanced · Project · Less Than 2 Hours

Universidad de los Andes
Skills you'll gain: Structural Analysis, Engineering Analysis, Civil Engineering, Finite Element Methods, Numerical Analysis, Program Development, Linear Algebra, Simulation and Simulation Software, Python Programming
Advanced · Course · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Cloud Deployment, Application Deployment, Amazon S3, Serverless Computing, Artificial Intelligence, Amazon CloudWatch, Amazon DynamoDB, AWS Identity and Access Management (IAM), Natural Language Processing, Integration Testing, Cloud Services, Software Testing
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, UI Components, Cascading Style Sheets (CSS), Web Design, Front-End Web Development, User Interface (UI), Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Metasploit, Penetration Testing, Exploitation techniques, Vulnerability Assessments, Vulnerability Scanning, Cyber Security Assessment
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Vulnerability Scanning, Cyber Security Assessment, Active Directory, Web Applications, Brute-force attacks, Microsoft Windows, Cryptographic Protocols, Bash (Scripting Language), Command-Line Interface, Shell Script, Apache Tomcat, Scripting, Microsoft SQL Servers
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Ansible, IT Automation, Devops Tools, Automation, Infrastructure as Code (IaC), DevOps, YAML, Linux, Command-Line Interface, Cloud Infrastructure, Encryption, Security Controls
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Data Storytelling, Data Visualization, Digital Transformation, Data Presentation, Data-Driven Decision-Making, Business Transformation, Presentations, Data Literacy, Decision Making, Dashboard, Business Analytics, Strategic Decision-Making, Customer Engagement, Analytics, Business Intelligence, Customer experience strategy (CX), Data Strategy, Case Studies, Leadership, Stakeholder Communications
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, UI Components, Animations, Mockups, Front-End Web Development, Typography, Web Development
Intermediate · Course · 1 - 4 Weeks