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.

Simplilearn
Skills you'll gain: Lean Six Sigma, Process Mapping, Statistical Process Controls, Six Sigma Methodology, Process Flow Diagrams, Process Analysis, Lean Methodologies, Lean Manufacturing, Kaizen Methodology, Statistical Analysis, Quality Improvement, Statistical Methods, Quality Monitoring, Process Improvement, Process Capability, Process Improvement and Optimization, Quality Management, Continuous Quality Improvement (CQI), Project Management, Process Optimization
★ 4.6 (15) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Secure Coding, ASP.NET, Role-Based Access Control (RBAC), Authentications, Data Security, Microsoft Copilot, Encryption, Authorization (Computing), Identity and Access Management, Back-End Web Development, Debugging, Application Security, Data Storage, Cryptography, Application Programming Interface (API), User Accounts
★ 4.2 (17) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cryptography, Encryption, Python Programming, Data Security
★ 4.6 (16) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Eclipse (Software), Java, Integrated Development Environments, Java Programming, Code Reusability, Functional Design
★ 4.2 (21) · Intermediate · Guided Project · Less Than 2 Hours

Università di Napoli Federico II
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Computer Programming, Scripting Languages, Scripting, Programming Principles, Data Manipulation, Data Management, Functional Design, Database Management, Package and Software Management, File Management, File I/O, Databases
★ 4.1 (42) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Purchasing, Accounts Payable, Operational Efficiency, Business Process, Process Improvement and Optimization, Procurement, Strategic Sourcing, Operational Excellence, Supplier Management, Supplier Relationship Management, Payment Processing and Collection, Payment Processing, Cost Reduction, Billing & Invoicing, Compliance Management, Automation
★ 4.6 (36) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, General Networking, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Cloud Technologies, Network Infrastructure, Hardening, Network Performance Management, Authentications
★ 4.5 (18) · Intermediate · Specialization · 3 - 6 Months

Fortinet, Inc.
Skills you'll gain: Firewall, Network Security, Virtual Private Networks (VPN), Network Administration, IT Security Architecture, Intrusion Detection and Prevention, Network Infrastructure, Enterprise Security, Network Architecture, Infrastructure Security, Remote Access Systems, Security Controls, System Configuration, Security Software, Performance Tuning, Cybersecurity, API Gateway, Hardware Architecture, Malware Protection, Threat Detection
★ 4.4 (24) · Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: AWS CloudFormation, Serverless Computing, Infrastructure as Code (IaC), Amazon Web Services, Application Programming Interface (API), Cloud Infrastructure, Event-Driven Programming, Cloud Deployment, Cloud Management, Authentications, Amazon S3, Application Deployment, Automation, Amazon DynamoDB, Scalability, Authorization (Computing)
★ 4.9 (21) · Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Patient-centered Care, Patient Safety, Care Coordination, Health Education, Education Software and Technology, Continuous Quality Improvement (CQI), Patient Communication, Clinical Practices, Collaboration, Professional Development, Lifelong Learning, Teamwork, Adaptability, Goal Setting
★ 4.5 (46) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Data Maintenance, Network Architecture, Cloud Infrastructure, Data Storage, Network Infrastructure, Scalability, Issue Tracking, Public Cloud, General Networking, Network Monitoring, Data Security, Serverless Computing, Network Planning And Design, Network Security, Authentications, Infrastructure Security, Authorization (Computing), Data Loss Prevention, Remote Access Systems
★ 4 (23) · Intermediate · Specialization · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Artificial Intelligence, Performance Analysis, Automation, Personalized Service, Digital Transformation, Augmented and Virtual Reality (AR/VR), Technology Strategies, Innovation, Internet Of Things, Machine Learning, Big Data, Ethical Standards And Conduct, Deep Learning, Analytical Skills, Predictive Analytics, Health Technology, Data Analysis, Natural Language Processing, User Experience, Data Security
★ 4.8 (22) · Beginner · Specialization · 3 - 6 Months