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.

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Integration, Data Manipulation, Data Transformation, Relational Databases, Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Data Storytelling, Active Listening, Non-Verbal Communication, Business Writing, Concision, Sales Presentations, Sales Strategy, Social Skills, Writing, Cultural Sensitivity, Persuasive Communication, Interpersonal Communications, Customer Relationship Management (CRM) Software, Emotional Intelligence, Sales, Verbal Communication Skills, Storytelling, Communication Strategies, Communication, Marketing Communications
Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), Web Components, JavaScript Frameworks, UI Components, HTML and CSS, Routing Protocols, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Application Programming Interface (API), Web Design, Restful API, Javascript, Web Development
Intermediate · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: LLM Application, Hugging Face, Large Language Modeling, Natural Language Processing, Model Deployment, Open Source Technology, Prompt Engineering, Containerization, Machine Learning
Beginner · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Data Modeling, Dashboard, Pivot Tables And Charts, Interactive Data Visualization, Data Management, Database Management, Visualization (Computer Graphics), Data Mapping, Incident Management, Query Languages, Data Integration, Information Management, Event Monitoring, Performance Tuning, Frontend Performance, Big Data, Business Intelligence, Data Analysis, Business Analytics
Intermediate · Specialization · 1 - 3 Months

KodeKloud
Skills you'll gain: Data Structures, Debugging, Python Programming, Programming Principles, Computer Programming, Scripting, Scripting Languages
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Javascript and jQuery, Responsive Web Design, Cascading Style Sheets (CSS), Web Design and Development, HTML and CSS, GitHub, Web Applications, JavaScript Frameworks, Web Development Tools, Git (Version Control System), Infrastructure Architecture, Browser Compatibility, Animations
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Power BI, Data Presentation, Data Visualization Software, Data Storytelling, Data Visualization, Interactive Data Visualization, Advanced Analytics, Data Analysis, Business Intelligence, Statistical Reporting
Beginner · Course · 1 - 3 Months
Skills you'll gain: Web Content Accessibility Guidelines, User Interface (UI), Usability, Web Design, Hypertext Markup Language (HTML), Front-End Web Development, UI Components, Semantic Web, Cascading Style Sheets (CSS), Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Tableau Software, Data Visualization, Interactive Data Visualization, Data Visualization Software, Data Storytelling, Data Presentation, Data Analysis Expressions (DAX), Dashboard, Data Analysis, Data Integration, Advanced Analytics, Data Modeling, Data Management, Performance Tuning, Data Preprocessing, Data Security
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Ansible, Devops Tools, Containerization, Docker (Software), Artifactory, Kubernetes, Prometheus (Software), Apache Maven, GitHub, SonarQube, CI/CD, DevOps, Continuous Integration, Version Control, Application Deployment, Build Tools, Continuous Deployment, Grafana, Application Performance Management, Continuous Delivery
Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Root Cause Analysis, Customer Relationship Building, Customer Relationship Management, Problem Management, Verbal Communication Skills, Customer Support, Amazon Web Services, Communication, Cloud Solutions, Technical Support, Cloud Security, Cloud Services, Automation, Collaboration, Incident Management, Generative AI, Innovation
Beginner · Course · 1 - 4 Weeks