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.

Skills you'll gain: API Gateway, Microservices, Restful API, Node.JS, Application Programming Interface (API), Software Architecture, Systems Architecture, Service Oriented Architecture, Web Services, Software Development, Software Engineering, Back-End Web Development
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Warehousing, Apache Hadoop, Distributed Computing, Scalability, Transaction Processing, Database Design, Database Management Systems, Database Systems, Data Architecture, Relational Databases, Database Theory, Database Management, Database Development, Database Architecture and Administration, Cloud Computing, Big Data, Query Languages, Data Processing, SQL, Machine Learning
★ 3.3 (7) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Information Systems Security, Information Technology, Security Software, Malware Protection, Data Security, Encryption, Security Awareness, Endpoint Security, Authentications, Patch Management, Technical Support, Firewall, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Cassandra, NoSQL, Databases, Database Management Systems, Application Deployment, Database Architecture and Administration, Database Design, Query Languages, Data Architecture, Database Management, Data Storage, System Monitoring, Data Maintenance, Distributed Computing, Data Modeling, Data Security, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, PySpark, Apache Spark, Logistic Regression, Predictive Modeling, Applied Machine Learning, Unsupervised Learning, Decision Tree Learning, Predictive Analytics, Advanced Analytics, Machine Learning Methods, Random Forest Algorithm, Model Training, Regression Analysis, Classification Algorithms, Machine Learning Algorithms, Data Pipelines
★ 5 (12) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Active Directory, Windows Servers, Microsoft Servers, Firewall, Google Cloud Platform, Virtual Networking, Virtual Machines, Servers, Cloud Infrastructure, Network Planning And Design, System Testing, Network Security, SQL
★ 4 (6) · Advanced · Project · Less Than 2 Hours

Skills you'll gain: Discussion Facilitation, Collaborative Software, Community Organizing, Control Panels, Driving engagement, System Configuration
Beginner · Guided Project · Less Than 2 Hours
Scrum Alliance
Skills you'll gain: Coaching, Employee Coaching, Agile Product Development, Agile Methodology, Agile Project Management, Agile Software Development, Team Management, Team Leadership, Collaboration, Culture Transformation, Organizational Leadership, Business Transformation, Leadership, Organizational Effectiveness, Leadership and Management, Organizational Change, Management Consulting, Business, Communication, Business Communication
★ 3.7 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: z/OS, Package and Software Management, Mainframe Computing, Mainframe Technologies, Patch Management, Software Configuration Management, Software Installation, File Transfer Protocol (FTP), Configuration Management, Problem Management, Debugging, Change Control, Dependency Analysis, Command-Line Interface
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Microsoft Excel, Data Validation, Excel Formulas, Spreadsheet Software, Data Quality, Management Reporting, Pivot Tables And Charts, Data Cleansing, Project Management, Data Visualization Software, Business Reporting, Data Analysis, Timelines, Data Presentation, Graphing
★ 3.8 (6) · Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Performance Tuning, Frontend Performance, Web Frameworks, Application Deployment, Configuration Management, Code Reusability, Application Servers, UI Components, Virtual Environment
★ 4.7 (23) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud API, Google Cloud Platform, Natural Language Processing, API Testing, Cloud Applications, JSON, Communication
Beginner · Project · Less Than 2 Hours