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: Responsive Web Design, HTML and CSS, Typography, Cascading Style Sheets (CSS), UI Components, Web Design, User Interface (UI), Interactive Design, User Interface (UI) Design, Web Design and Development, User Interface and User Experience (UI/UX) Design, Browser Compatibility, Usability, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Front-End Web Development, Animations, Code Reusability, Web Development, Web Development Tools
★ 4.3 (9) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Spring Framework, Java Programming, Java, Application Frameworks, Object Oriented Design, Object Oriented Programming (OOP), Software Design Patterns, Extensible Markup Language (XML)
★ 4.7 (13) · Mixed · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Application Development, Application Deployment, Generative AI Agents, Large Language Modeling, Software Development Tools, LLM Application, AI literacy, IntelliJ IDEA, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Code Review, Software Development, Software Development Life Cycle
★ 3.3 (9) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Game Design, Animation and Game Design, Video Game Development, Animations, Graphics Software, Event-Driven Programming, No-Code Development, Software Installation, Development Environment, Scripting
★ 4.9 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS Kinesis, AWS SageMaker, AWS CloudFormation, Cloud Engineering, Data Quality, Docker (Software), Data Pipelines, Software Development Tools, Data Security, Data Import/Export, Database Systems, Databases, Version Control, Apache Spark, Apache Airflow, Data Modeling, Cloud Security, Database Management Systems, AWS Identity and Access Management (IAM), Data Processing
★ 4.3 (8) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Invoicing, Project Management Software, Management Reporting, Cost Management, Project Accounting, Billing & Invoicing, Billing, Business Reporting, Financial Reporting, Expense Management, Payment Processing and Collection, Payment Processing, Business Administration
★ 4.9 (9) · Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Collaborative Software, Integrated Development Environments, Program Development, Debugging, Development Environment, Computer Programming Tools, Technical Writing, Generative AI, Vibe coding, Computer Programming, File Management
★ 3.3 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Autodesk Maya, 3D Modeling, 3D Assets, Computer Graphic Techniques, Autodesk, Computer Graphics
★ 5 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Business Continuity, Contingency Planning, Threat Management, Incident Response, Risk Analysis, Key Performance Indicators (KPIs), Vulnerability Assessments, Business Risk Management, Crisis Management, Test Planning, Operational Risk, Communication Planning, Performance Metric, Cloud Computing, Cloud Services, Communication Strategies, Stakeholder Engagement
★ 4.9 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Logo Design, Adobe Illustrator, Typography, Graphic Design, Graphic and Visual Design, Design Software, Design, Creative Design, Color Theory, Design Research, Creativity
★ 4.3 (8) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: User Interface (UI), Embedded Software, Interactive Design, Human Computer Interaction, Embedded Systems, Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Software Design, Usability, HTML and CSS, Interaction Design, Real-Time Operating Systems, Hypertext Markup Language (HTML), Internet Of Things, Technical Design, User Experience Design, jQuery, Telecommunications, Artificial Intelligence and Machine Learning (AI/ML)
★ 3.7 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploit development, OSI Models, Exploitation techniques, Open Web Application Security Project (OWASP), TCP/IP, Network Protocols, Network Security, Cyber Security Assessment, General Networking, Vulnerability Scanning, Cybersecurity, Prompt Engineering, Large Language Modeling, AI Security, LLM Application, Test Script Development, Scripting, Scripting Languages, Python Programming
★ 4.3 (7) · Intermediate · Course · 1 - 3 Months