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: Relational Databases, Power BI, Microsoft Azure, Database Management, NoSQL, Dashboard, Cloud Deployment, Dashboard Creation, Data Integration, Data Visualization, Data Visualization Software, SQL, Database Management Systems, Data Storage, Data Modeling, Cloud Storage, Extract, Transform, Load, Data Processing, Infrastructure As A Service (IaaS), Platform As A Service (PaaS)
★ 4.7 (27) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Probability, Bayesian Statistics, Probability Distribution, Failure Analysis, Probability & Statistics, Estimation, Mathematical Modeling, Statistical Inference, Statistical Modeling, Statistical Methods, Markov Model, Reliability, Simulations, Sampling (Statistics), Numerical Analysis, Applied Mathematics, Statistical Analysis, Simulation and Simulation Software
★ 5 (10) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Stakeholder Management, Stakeholder Analysis, Professional Networking, Business Relationship Management, Stakeholder Engagement, Relationship Building, Business Strategy, Stakeholder Communications, Leadership, Leadership Development, Professional Development, Strategic Partnership, Strategic Leadership, Engineering Management, Rapport Building, Organizational Strategy, Strategic Thinking, Competitive Analysis, Mentorship, Innovation
★ 4.5 (8) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Wireframing, Figma (Design Software), Collaborative Software, Prototyping, User Flows, User Interface (UI), UI Components, Information Architecture
★ 4.7 (19) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Text Mining, Data Processing, Microsoft Azure, Cloud Storage, Database Development, Data Storage, Data Storage Technologies, Unstructured Data, Application Development
★ 4.8 (23) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Web Scraping, Data Integration, Data Cleansing, Data Import/Export, Data Quality, Data Preprocessing, Data Processing, Data Collection, SQL, Databases, Query Languages, Extensible Markup Language (XML), Pandas (Python Package), Application Programming Interface (API)
★ 4.5 (16) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JavaScript Frameworks, UI Components, Full-Stack Web Development, React.js, TypeScript, Code Reusability, Front-End Web Development, Web Development, Web Applications, Frontend Performance, Server Side, User Interface and User Experience (UI/UX) Design, Software Development, File Systems
★ 4.8 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Memory Management, Programming Principles, Integrated Development Environments, Computational Logic, Software Development Tools, Secure Coding, Other Programming Languages, Program Development, Data Storage, Data Management, Development Testing
★ 4.9 (8) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Personalization, Customer Engagement, Data-Driven Decision-Making, Customer experience strategy (CX), Customer Service, Customer experience improvement, Customer Communications Management, Journey Mapping, Personalized Campaigns, AI Enablement, Personalized Service, Customer Insights, Customer Retention, Business Analytics, User Feedback, Analytics, Artificial Intelligence, Generative AI, Predictive Analytics, Automation
★ 4.9 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hugging Face, Model Evaluation, LLM Application, Large Language Modeling, Retrieval-Augmented Generation, Computer Programming, Generative Model Architectures
★ 4.9 (9) · Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Human Resources Software, HR Tech, Workforce Planning, Human Resources Management and Planning, Human Resources, People Analytics, Employee Engagement, Human Resource Strategy, Workforce Management, Data Ethics, Human Resource Management, Recruitment, Workforce Development, Talent Recruitment, AI Enablement, Recruitment Strategies, Drive Engagement, Talent Management, Artificial Intelligence, Decision Making
★ 4.7 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microservices, Node.JS, API Gateway, Application Deployment, Software Architecture, Cloud Applications, Application Design, Communication Systems, Scalability
★ 3 (6) · Mixed · Course · 1 - 4 Weeks