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: Statistical Modeling, Exploratory Data Analysis, R Programming, Predictive Modeling, Statistical Hypothesis Testing, Tidyverse (R Package), Data Analysis, Data Modeling, Regression Analysis, Data Science, Classification And Regression Tree (CART), Statistical Inference, Statistical Analysis, Rmarkdown, Data Preprocessing, Statistical Methods, Model Evaluation, Machine Learning
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Data Analysis Software, Data Entry, Productivity Software
Beginner · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Supervised Learning, Unsupervised Learning, Generative Adversarial Networks (GANs), Deep Learning, Image Analysis, Machine Learning Algorithms, Applied Machine Learning, Python Programming, Machine Learning, Artificial Neural Networks, Model Evaluation, Data Processing, Classification Algorithms, Computer Vision, Predictive Modeling, Computer Programming, Regression Analysis
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, React.js, Front-End Web Development, Mockups, Web Design and Development, Web Development, Web Components, Figma (Design Software), Code Review, Application Deployment, Web Analytics and SEO, Database Development, Software Development, GitHub, Development Testing
Advanced · Course · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Web Applications, Javascript, Web Development, Node.JS, Security Controls, Web Servers, Hypertext Markup Language (HTML), Java Programming
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: SQL, Relational Databases, Query Languages, Databases, Stored Procedure, Data Manipulation, Database Management Systems, Data Access, Data Maintenance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cross-Channel Marketing, Content Marketing, Marketing Analytics, Data Ethics, Marketing Effectiveness, Data-Driven Decision-Making, Marketing Strategies, Personalized Service, Marketing Automation, Content Strategy, Adobe Express, AI Personalization, Advertising Campaigns, Driving engagement, Social Media, Emerging Technologies, Market Research, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Peer Review, Innovation, Promotional Strategies, Marketing Management, Global Marketing, Marketing, Product Knowledge, Product Promotion, Company, Product, and Service Knowledge, Strategic Marketing, Competitive Analysis, Market Analysis, Benchmarking, Product Management, New Business Development, Brand Strategy, Growth Strategies, Case Studies, Branding
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Quality Control, Quality Assurance, Product Quality (QA/QC), Statistical Process Controls, Good Manufacturing Practices, Quality Management, Regulatory Affairs, Safety Standards, Chemistry, Regulatory Compliance, Product Testing, Standard Operating Procedure, Packaging and Labeling
Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Restful API, SQL, React Native, Databases, Data Persistence, Mobile Development, Data Storage Technologies, JSON, Data Management, Network Model, Application Development, Authentications
Intermediate · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Collaborative Software, GitHub, Laboratory Reports, Technical Writing, Version Control, Document Management, Technical Documentation, Typography
Beginner · Course · 1 - 4 Weeks