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: Shell Script, Job Control Language (JCL), Unix Shell, File Management, User Accounts, Operating System Administration, Unix, Package and Software Management, Systems Administration, File Systems, TCP/IP, Unix Commands, System Monitoring, Disaster Recovery, System Software, System Configuration, Operating Systems, Data Storage, Software Installation, Data Centers
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Data Security, Cloud Security, Azure Active Directory, Microsoft Azure, Data Storage, Encryption, Cloud Storage, Authorization (Computing), Authentications, Database Management, Data Governance, Key Management, Identity and Access Management, Firewall, Threat Detection
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Applications, Computational Logic, Software Development Tools, Business Logic, Other Programming Languages, Program Development, Scalability
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Structures, File I/O, Network Routing, Computer Networking, Object Oriented Programming (OOP), Python Programming, Network Routers, Algorithms, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Cisco Learning and Certifications
Skills you'll gain: Software-Defined Networking, YAML, Network Architecture, Network Protocols, Network Routing, Computer Networking, Data Modeling, Extensible Markup Language (XML), JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prototyping, User Interface (UI) Design, Figma (Design Software), Mobile Development, Mockups, Wireframing, Collaborative Software
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Data Processing, Operational Databases, System Monitoring, Scalability, Performance Tuning, Configuration Management
Beginner · Course · 1 - 4 Weeks

Howard University
Skills you'll gain: Linear Algebra, NumPy, Applied Mathematics, Algebra, Python Programming, Data Manipulation
Mixed · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Web Analytics and SEO, Technical Support, Extensible Markup Language (XML)
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Collaborative Software, Meeting Facilitation, Virtual Teams, Telecommuting, Experience Design, Business Process Management, Virtual Environment
Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Billing, Amazon Web Services, Amazon S3, Amazon Elastic Compute Cloud, Cost Estimation, Capacity Management, Cloud Services, Product Support, Technical Support
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Packaging and Labeling, Sustainable Design, Sustainable Business, Waste Minimization, Sustainable Engineering, Environmental Regulations, Corporate Sustainability, Logistics, Consumer Behaviour, Innovation, Manufacturing Processes, Materials science
Build toward a degree
Intermediate · Course · 1 - 3 Months