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.

Logical Operations
Skills you'll gain: Excel Macros, Microsoft Excel, Visual Basic (Programming Language), Automation, Business Process Automation, Computer Programming Tools, Microsoft 365, Data Wrangling, Spreadsheet Software, Development Environment, Computer Programming, Data Science
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Threat Detection, Exploitation techniques, Data Encryption Standard, Threat Modeling, Security Awareness, Cryptography, Cyber Attacks, Data Security, Databases, Malware Protection, Penetration Testing, AI Security, Vulnerability Assessments, Application Security, Security Engineering, Artificial Intelligence, SQL
★ 5 (6) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: OpenAI API, LLM Application, OpenAI, Generative AI Agents, ChatGPT, Cost Benefit Analysis, Tool Calling, Generative AI, Cloud API, AI Integrations, Application Programming Interface (API), Development Environment, Business Logic, Prompt Engineering, Scalability, Business Analysis, Business Solutions, Scripting, TypeScript, Node.JS
Intermediate · Guided Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Excel Macros, Microsoft Excel, Excel Formulas, Data Transformation, Data Import/Export, File I/O, Data Wrangling, Extensible Markup Language (XML), Data Manipulation, Visual Basic (Programming Language), Spreadsheet Software, Automation, Microsoft 365, Microsoft Office, Data Science, Query Languages, File Management, Debugging, Performance Improvement, Computer Programming
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Continuous Integration, Containerization, Cloud-Native Computing, Scalability, Application Deployment, Cloud Deployment, Continuous Deployment, Spring Framework, Spring Boot, DevOps, Prometheus (Software), Amazon CloudWatch, AWS Identity and Access Management (IAM), Identity and Access Management, Load Balancing, OAuth, Performance Tuning
Advanced · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Apache Kafka, Prometheus (Software), Data Governance, Distributed Computing, Data Processing, Data Store, Event Monitoring, Network Monitoring, Systems Architecture, Performance Metric, Network Troubleshooting, Network Architecture
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Flask (Web Framework), Web Applications, Package and Software Management, Web Frameworks, Application Frameworks, Debugging, Program Development, Development Environment, Restful API, Python Programming
★ 3.8 (6) · Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: AI Security, Generative AI Agents, Agentic Workflows, LLM Application, AI Personalization, AI Integrations, Agentic systems, Cloud Hosting, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Cloud Deployment, Generative AI, Application Deployment
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Materials, Marketing Collateral, Cross-Channel Marketing, Marketing Design, Canva (Software), Brochures, Campaign Planning, Promotional Materials, Graphic Design, Integrated Marketing Communications, Email Marketing, Layout Design, Graphic and Visual Design, Digital Design, Web Content, Style Guides, Collaborative Software, Branding, Brand Management, Image Quality
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Text Mining, Natural Language Processing, Microsoft Azure, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), AI literacy, AI Workflows, Analytics, Application Development
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Star Schema, Data Modeling, Extract, Transform, Load, Performance Tuning, Tableau Software, Model Optimization, Database Design, Data Visualization Software, Data Integration
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Data Governance, Prompt Engineering, Continuous Deployment, Generative AI, System Monitoring, CI/CD, Responsible AI, Automation, DevOps, Compliance Management, Performance Tuning, Data Pipelines, Kubernetes, Docker (Software), Containerization, Data Security, Risk Management, Dashboard, Cloud Platforms
Intermediate · Specialization · 3 - 6 Months