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.

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), React.js, HTML and CSS, Front-End Web Development, UI Components, Maintainability, Web Development
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Instagram, Canva (Software), Content Performance Analysis, Web Content Accessibility Guidelines, Image Quality, Photography, Social Media Content, Marketing Psychology, Photo Editing, Content Creation, Marketing Design, Social Media Marketing, Graphic and Visual Design, Content Strategy, Driving engagement, Social Media, Productivity, Video Production, Drive Engagement, Creative Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Brute-force attacks, General Networking, Network Administration, Network Security, Penetration Testing, Wireless Networks, Exploitation techniques, Linux, Vulnerability Scanning, Linux Commands, Encryption, Network Analysis, Command-Line Interface, Virtual Machines
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Package and Software Management, Virtual Environment, Development Environment, Software Installation, Configuration Management, Python Programming, Command-Line Interface
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Object-Relational Mapping, Spring Framework, Hibernate (Java), Apache Maven, Model View Controller, Relational Databases, Database Design, MySQL, Web Applications, Java Platform Enterprise Edition (J2EE), Java, Full-Stack Web Development, Database Development, Application Frameworks, Back-End Web Development, Authentications, Object Oriented Design, Object Oriented Programming (OOP), Application Development, Software Design Patterns
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Microservices, API Gateway, Scalability, Systems Architecture, Software Architecture, Data Management, Distributed Computing, Databases, API Design, Restful API, Software Design Patterns, NoSQL, GraphQL, Event-Driven Programming
Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, Figma (Design Software), AI Workflows, Generative AI, Graphic and Visual Design, Design, Generative AI Agents, Visual Design, Artificial Intelligence, Digital Design, Design Thinking, Process Design, Collaborative Software, Human Centered Design, Design Elements And Principles, Layout Design, Interactive Design, Marketing Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Social Media Campaigns, Email Marketing, Online Advertising, Content Creation, Marketing Design, Graphic and Visual Design, Product Promotion, Advertising, Marketing Materials, Promotional Materials, Marketing Communications, Sales Development, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Email Security, Cloud Security, Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Vulnerability Management, Risk Management Framework, Malware Protection, Security Management, Threat Management, Application Security, Cloud Computing, Cybersecurity, Cyber Attacks, Infrastructure Security, Disaster Recovery, Vulnerability Assessments, Cyber Threat Intelligence, Network Security, Risk Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: AWS Kinesis, Amazon DynamoDB, Amazon S3, Data Pipelines, Amazon CloudWatch, Cloud Storage, Real Time Data, AWS Identity and Access Management (IAM), Data Storage, Database Management Systems, Data Management, Data Infrastructure, Cloud Security, Encryption, Scalability
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Pipelines, Dataflow, Data Processing, Google Cloud Platform, Development Environment, Cloud Development, Cloud Services, Program Development, Software Installation, Computer Programming Tools
Beginner · Project · Less Than 2 Hours

Packt
Skills you'll gain: Unix Commands, Command-Line Interface, Graphical Tools, File Management, Software Development Tools, System Configuration, Computer Programming Tools, Development Environment, Configuration Management
Intermediate · Course · 1 - 3 Months