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 California San Diego
Skills you'll gain: Bioinformatics, Statistical Methods, Statistical Analysis, Molecular Biology, Graph Theory, Taxonomy
★ 4.5 (79) · Intermediate · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Supply Chain Planning, Supply Chain, Logistics Management, Supply Chain Management, Industrial Engineering, Logistics, Transportation, Supply Chain, and Logistics, Engineering Management, Business Operations, Operations Management, Inventory and Warehousing, Operating Cost, Corporate Strategy, Business Strategy, Operations, Operational Efficiency, Business Management, Manufacturing Processes, Sustainable Business, Strategic Planning
★ 4.2 (142) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Generative AI Agents, LLM Application, AI Integrations, Tool Calling, Large Language Modeling, Software Design Patterns, Memory Management
★ 4.8 (84) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, Computer-Aided Design, Drafting and Engineering Design, 3D Assets, Mechanical Design, Simulation and Simulation Software, Design Software, Engineering Software, Manufacturing Processes, Engineering Analysis
★ 4.4 (72) · Beginner · Course · 1 - 4 Weeks

Fortinet, Inc.
Skills you'll gain: Firewall, Network Support, Virtual Private Networks (VPN), Network Troubleshooting, Network Routing, Network Security, Routing Protocols, Intrusion Detection and Prevention, Authentications, Network Monitoring, Event Monitoring, Lightweight Directory Access Protocols, Technical Support and Services, Remote Access Systems, Network Administration, Security Engineering, Application Security, Cybersecurity, Computer Security, Cyber Security Strategy
★ 4.6 (139) · Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Structures, Python Programming, Programming Principles, Computer Programming, Computational Logic, Software Engineering, Performance Tuning, Web Development, Performance Testing, Web Development Tools, Debugging, Software Development
★ 4.7 (63) · Beginner · Specialization · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Responsible AI, Generative AI, Data Ethics, AI literacy, Artificial Intelligence, Risking, Critical Thinking, Problem Solving
★ 4.8 (157) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Courage, Ethical Standards And Conduct, Decision Making, Business Ethics, Leadership Studies, Professionalism, Engineering Management, Personal Integrity, Leadership
★ 4.8 (190) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Web Content Accessibility Guidelines, Learning Management Systems, Disabilities, Education Software and Technology, Digital pedagogy, Document Management, Technical Writing, Technical Communication, Microsoft Office, Image Analysis
★ 4.5 (85) · Beginner · Course · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: Software Architecture, Engineering Management, Goal Setting, Systems Architecture, Systems Design, Technical Management, Software Design, Smart Goals, API Design, System Design and Implementation, Technical Product Management, Cross-Functional Collaboration, Cross-Functional Team Leadership, Management Training And Development, Recruitment, Program Management, Team Performance Management, Software Engineering, Microservices, Employee Retention
★ 4.6 (97) · Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), Data Preprocessing, Exploratory Data Analysis, Classification And Regression Tree (CART), Logistic Regression, Statistical Machine Learning, Model Evaluation, Model Training, Supervised Learning, Decision Tree Learning, Probability & Statistics, Data Processing, Machine Learning Software, Statistical Software, Machine Learning Methods, Process Modeling, Machine Learning, Correlation Analysis, Applied Machine Learning
★ 4.7 (105) · Advanced · Professional Certificate · 3 - 6 Months
Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, Responsible AI, Application Deployment, Amazon Elastic Compute Cloud, Unit Testing, Amazon Web Services, Version Control, Generative AI, AI Integrations, LLM Application, DevOps, Retrieval-Augmented Generation, Artificial Intelligence, Application Lifecycle Management
★ 4.7 (36) · Beginner · Course · 1 - 4 Weeks