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 Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Scalability, Distributed Computing, Shell Script, Computer Systems, Big Data, Linux Commands, Hardware Architecture, Operating Systems, Unix Shell, File Systems, Computing Platforms, Linux, Performance Testing, Scripting, Performance Tuning, Memory Management, Computer Architecture, Capacity Management, File Management
★ 3.8 (168) · Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Dashboard, Microsoft Excel, Pivot Tables And Charts, Star Schema, Spreadsheet Software, Dashboard Creation, Data Transformation, Data Analysis Expressions (DAX), Data Storytelling, Data Analysis, Excel Formulas, Extract, Transform, Load, Consolidation, Data Visualization Software, Data Presentation, Data Modeling, Business Intelligence, Competitive Analysis, Data Wrangling, Data Manipulation
★ 4.7 (222) · Beginner · Specialization · 3 - 6 Months

University of Toronto
Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Mobile Development, Application Design, Application Development, User Interface (UI), UI Components, Human Computer Interaction, Interactive Design, Interaction Design, Graphical Tools, Graphic and Visual Design, Data Persistence, Animations, Computer Graphics, Persistence, Network Model
★ 4.1 (269) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Vulnerability Scanning, Proxy Servers, Security Testing, Penetration Testing, Vulnerability Assessments, Brute-force attacks, Test Tools, Web Scraping
★ 4.3 (290) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Devops Tools, DevOps, CI/CD, Cloud Deployment, User Story, Microservices, OpenShift, DevSecOps, Application Deployment, Continuous Integration, Agile Software Development, Cloud-Native Computing, Code Review, Kubernetes, Test Driven Development (TDD), Continuous Deployment, Continuous Delivery, Scrum (Software Development), Agile Methodology, Cloud Computing
★ 4.8 (182) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Ajax, Javascript, Data Structures, Debugging, JSON, Web Development, Web Applications, Cascading Style Sheets (CSS), Computer Programming, HTML and CSS, Event-Driven Programming, Software Development, Git (Version Control System), Hypertext Markup Language (HTML), Application Programming Interface (API)
★ 4.5 (181) · Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Institutional Review Board (IRB), Descriptive Statistics, Quantitative Research, Data Literacy, Scientific Methods, Graphing, Research Design, Statistical Visualization, Statistical Hypothesis Testing, Science and Research, Research Methodologies, Probability & Statistics, Research, Statistical Inference, Statistics, Statistical Analysis, Statistical Methods, Ethical Standards And Conduct, Data Analysis, Research and Design
★ 4.8 (297) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Kubernetes, Application Deployment, Containerization, Authorization (Computing), Authentications, Security Controls, Cloud Hosting, Software Installation, Data Persistence, Infrastructure Architecture, Scalability, Data Storage, System Configuration, Command-Line Interface
★ 4.3 (324) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Estimation, Model Evaluation, Mathematical Software, Simulation and Simulation Software, Model Optimization, Numerical Analysis, Mathematical Modeling, Fine-tuning, Applied Mathematics
★ 4.7 (254) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Email Marketing, Google Ads, Digital Advertising, Paid media, Social Media Analytics, Social Media Marketing, Search Engine Optimization, Google Analytics, Customer Retention, Digital Marketing, Marketing Budgets, Loyalty Programs, Order Fulfillment, Search Engine Marketing, Web Analytics, Online Advertising, Digital Marketing Tools, Marketing, E-Commerce
★ 4.9 (338) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Programming Principles, Computer Programming, Python Programming, Computational Logic, Computer Science
★ 4.5 (272) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Surveys, Survey Creation, Data Literacy, Data Visualization, Data Analysis, Peer Review, Research Design, Statistics, Probability & Statistics, Data Presentation, Sampling (Statistics), Regression Analysis, Descriptive Statistics, Research, Probability, Quantitative Research, Analytics, Logistic Regression, Correlation Analysis, Statistical Hypothesis Testing
★ 4.6 (271) · Beginner · Specialization · 3 - 6 Months