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.

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainable Development, Market Data, Corporate Sustainability, Investment Management, Sustainability Standards, Sustainable Business, Environmental Regulations, Financial Market, Petroleum Industry, Investments, Data Ethics, Sustainability Reporting, Financial Data, Market Trend, Portfolio Management, Market Analysis, Business Ethics, Data Science, Risk Management
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Version Control, Git (Version Control System), Linux, Cloud Computing Architecture, DevOps, Development Environment, Application Deployment, Virtualization, Cloud Computing, Linux Administration, Devops Tools, Cloud Infrastructure, Containerization, Cloud Platforms, Infrastructure As A Service (IaaS), Software Versioning, Virtualization and Virtual Machines, Software As A Service, Virtual Networking, Virtual Machines
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Global Marketing, Consumer Behaviour, Marketing Planning, Brand Marketing, Diversity Marketing, Strategic Marketing, Marketing, Cultural Sensitivity, Marketing Management, Branding, Marketing Strategies, Promotional Strategies, Integrated Marketing Communications, Brand Strategy, Brand Awareness, Market Analysis, Brand Management, Cultural Diversity, Product Marketing, Strategic Planning
Build toward a degree
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Prompt Patterns, Generative AI Agents, Tool Calling, Agentic Workflows, Agentic systems, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Engineering Design Process, Prototyping, Engineering Drawings, Assembly Drawing, Product Design, Drafting and Engineering Design, Product Testing, Hardware Design, Technical Drawing, Mockups, Product Development, Usability Testing, Manufacturing Processes, Conceptual Design, Cost Estimation, Design Strategies, Research and Design, Materials science, Electronics
Beginner · Specialization · 1 - 3 Months

IBM
Skills you'll gain: COBOL (Programming Language), File I/O, Programming Principles, Procedure Development, Program Development, Data Structures, Computational Logic, Editing, Records Management
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Process Validation, Verification And Validation, Laboratory Testing, Environmental Science, Research, Hazard Analysis, Safety Assurance, Scientific Methods, Science and Research, Biostatistics, Bioinformatics, Research Methodologies, Environmental Regulations, General Science and Research, Research Design, Epidemiology, Risk Analysis, Quantitative Research, Data Synthesis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Teaching, Data Collection, Instructional Strategies, Education Software and Technology, Student Engagement, Interactive Learning, Curriculum Planning, Childhood Education and Development, Social Studies
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Development, HTML and CSS, Web Design and Development, Web Development Tools, Web Design, Development Testing
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Network Monitoring, Network Performance Management, Network Administration, Network Security, Routing Protocols, Network Troubleshooting, OSI Models, TCP/IP, Computer Networking, Network Routers, Network Switches, General Networking, Command-Line Interface, Network Routing, Networking Hardware, Network Architecture, Network Infrastructure, Cybersecurity, Network Model, Network Protocols
Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Supplier Management, Business Planning, Entrepreneurship, Supplier Performance Management, Business Strategies, Supplier Relationship Management, New Business Development, Growth Strategies, Business Development, Business Strategy, Business Modeling, Business Valuation, Entrepreneurial Finance, Sales Presentations, Market Opportunities, Financial Analysis, Strategic Thinking, Strategic Marketing, Competitive Analysis, Market Analysis
Beginner · Course · 1 - 3 Months

SkillUp
Skills you'll gain: SAP S/4HANA, Data Modeling, SAP Applications, Systems Architecture, Enterprise Resource Planning, Functional Requirement, Software Development Tools, Data Migration, Software Development Methodologies, Application Deployment, Organizational Structure, Compliance Reporting
Beginner · Course · 1 - 4 Weeks