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

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Database Systems, Java, Data Access, Restful API, Web Services, Middleware
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Feature Engineering, Data Wrangling, Exploratory Data Analysis, Matplotlib, Statistical Analysis, Data Preprocessing, Seaborn, Data Science, Data Visualization Software, Data Manipulation, Data Cleansing, Data Analysis, Pandas (Python Package), Statistics, Business Analytics, Jupyter, Data Transformation, Descriptive Statistics, Correlation Analysis, Statistical Hypothesis Testing
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Digital pedagogy, Education Software and Technology, Learning Management Systems, digital literacy, Interactive Design, Collaborative Software, User Centered Design, Requirements Analysis, Concept Of Operations, Innovation, Virtual Environment, Quality Assurance, Technical Writing
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Unsupervised Learning, Generative AI, Large Language Modeling, Supervised Learning, Deep Learning, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Reinforcement Learning, Predictive Modeling, Machine Learning Algorithms, Artificial Neural Networks, Feature Engineering, Unstructured Data, Model Evaluation, Convolutional Neural Networks, Data Preprocessing, Dimensionality Reduction, Model Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Dashboard, Interactive Data Visualization, Data Presentation, Data Visualization Software, Collaborative Software, Data Sharing, Data Science, Data Analysis, Business Intelligence, Data Integration, Data Modeling, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Proposal Writing, Interpersonal Communications, Editing, Verbal Communication Skills, Active Listening, Public Speaking, Constructive Feedback, Business Writing, Technical Writing, Technical Communication, Technical Management, Communication, Presentations, Proofreading, Trustworthiness, Persuasive Communication, Storytelling, Non-Verbal Communication, Rapport Building, Engineering Management
Build toward a degree
Beginner · Specialization · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: Operations Management, Process Improvement, Business Operations, Operational Efficiency, Process Analysis, Business Process, Performance Improvement, Operational Analysis, Process Optimization, Quality Management, Quality Control, Productivity Software, Capacity Management, Inventory Management System, Resource Utilization
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Network Analysis, Network Security, Cyber Operations, Intrusion Detection and Prevention, MITRE ATT&CK Framework, Cybersecurity, Threat Detection, Network Monitoring, Penetration Testing, Anomaly Detection, Brute-force attacks, Scripting, Authentications, Vulnerability Assessments, Python Programming, Data Access, System Monitoring, Systems Analysis, Automation
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Rmarkdown, R Programming, Ggplot2, Data Import/Export, Data Visualization, Data Manipulation, Data Visualization Software, Data Analysis, Data Science, Data Storytelling, Statistical Analysis, Relational Databases, Data Cleansing, Data Transformation, Statistical Programming, Data Integration, Software Installation, Programming Principles, Communication
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Continuous Integration, CI/CD, Application Deployment, Node.JS, Test Automation, Software Development Tools, Unit Testing, Git (Version Control System), Software Development, GitHub, Javascript
Intermediate · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Operations Research, Mathematical Modeling, Business Modeling, Business Analytics, Analytics, Data Modeling, Business Mathematics, Process Optimization, Data-Driven Decision-Making, Microsoft Excel, Decision Making, Linear Algebra, Spreadsheet Software, Graphing
Beginner · Course · 1 - 4 Weeks