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 Virginia
Skills you'll gain: Model View Controller, Integrated Development Environments, Data Modeling, Data Store, Database Development, Database Design, Software Development Tools, NoSQL, Database Architecture and Administration, OpenAI API, LLM Application, Application Programming Interface (API), AI Enablement, OpenAI, ChatGPT, Version Control, Infrastructure Architecture, Artificial Intelligence, AI literacy, Restful API
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Key Performance Indicators (KPIs), Data Presentation, Data Analysis Expressions (DAX), Data Integration, Spreadsheet Software, Excel Formulas, Performance Measurement, Data Visualization, Excel Macros, Business Intelligence, Microsoft Office, Microsoft 365, Productivity Software, Data Entry, File Management, Document Management, Data Management, User Interface (UI)
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Flask (Web Framework), Application Frameworks, Back-End Web Development, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Security Information and Event Management (SIEM), System Configuration, System Monitoring, Security Controls, Google Cloud Platform, Event Monitoring, Linux Servers, Docker (Software), Linux Administration, Software Installation, Real Time Data, Cloud Computing, Data Security
Intermediate · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Model Context Protocol, Load Balancing, Containerization, Docker (Software), Model Deployment, Restful API, API Design, Application Programming Interface (API), AI Integrations, Authentications, Tool Calling, Scalability, Context Management, Performance Tuning, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), Application Deployment, Cloud Deployment, Continuous Deployment, Containerization, Docker (Software), DevOps, Release Management, Version Control, Continuous Delivery, Dependency Analysis, Performance Tuning, Performance Testing, Package and Software Management, Performance Analysis, Performance Metric, Application Performance Management, Application Development, Cost Benefit Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sales, Sales Strategy, Sales Training, Sales Enablement, Marketing Automation, Sales Management, Sales Pipelines, Selling Techniques, Social Media Marketing, Lead Generation, Social Media, Social Media Campaigns, Customer Relationship Management (CRM) Software, Storytelling, Persona Development, Global Marketing, Target Audience, Trend Analysis, Competitive Intelligence, Benchmarking
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Linux Commands, Linux Administration, Network Troubleshooting, Linux, Network Administration, Linux Servers, Network Monitoring, Network Infrastructure, Network Protocols, Virtualization and Virtual Machines, Command-Line Interface, System Configuration, Virtualization, General Networking, Remote Access Systems, Network Security, Software Installation, Cryptographic Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Web Development Tools, Javascript, Code Reusability, Programming Principles, Development Environment, Integrated Development Environments, Application Programming Interface (API), Debugging, Hypertext Markup Language (HTML), HTML and CSS, Program Development, Computer Programming, Data Access, Theoretical Computer Science, Computational Thinking, Performance Tuning, Data Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Prometheus (Software), System Monitoring, Grafana, Cloud Management, Google Cloud Platform, Web Scraping
Beginner · Project · Less Than 2 Hours

Packt
Skills you'll gain: Secure Coding, API Testing, API Design, Application Programming Interface (API), Security Testing, Penetration Testing, Application Security, Restful API, Authentications, Exploit development, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Exploitation techniques, Data Security, Business Logic, Authorization (Computing), Scenario Testing, Security Controls, Development Environment, Cybersecurity
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Virtual Networking, Data Centers, vSphere Networking and Storage, Software-Defined Data Center (SDDC), Virtual Local Area Network (VLAN), Virtualization, VMware ESX Servers, Software-Defined Networking, Network Architecture, vCenter Server, Network Infrastructure, Network Switches, Virtualization and Virtual Machines, Virtual Machines, Network Administration, Network Protocols, vSphere DRS & HA, Routing Protocols, Network Routing, Control Panels
Beginner · Course · 1 - 4 Weeks