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: Bash (Scripting Language), Shell Script, Linux Commands, Unix Shell, Scripting, Linux, Unix Commands, Command-Line Interface, User Interface (UI), IT Automation, Interactive Design, File I/O, Programming Principles, Debugging, File Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Application Design, User Interface (UI), Workflow Management, Databases, Business Process Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Visualization, Data Visualization Software, Data Visualization, Scatter Plots, Plot (Graphics), Box Plots, Exploratory Data Analysis, Histogram, Descriptive Statistics, Heat Maps, Graphing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Earned Value Management, Project Performance, Cost Management, Project Controls, Variance Analysis, Budget Management, Cost Control, Performance Analysis, Analysis, Forecasting, Performance Measurement, Project Management Software, Corrective and Preventive Action (CAPA)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Power, Electric Power Systems, Energy and Utilities, Power Electronics, Systems Integration, Interoperability, Sustainable Technologies, Technical Standard
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Order Fulfillment, Customer Analysis, Business Analytics, Data-Driven Decision-Making, Business Intelligence, Business Intelligence Software, Google Cloud Platform, Dashboard, Business Analysis, Data Visualization, Data Analysis, Sales Management, Sales, Product Knowledge, Enterprise Resource Planning
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Rmarkdown, R (Software), Data Import/Export, R Programming, Ggplot2, Data Manipulation, Plotly, Data Visualization, Web Scraping, Interactive Data Visualization, Data Visualization Software, Data Cleansing, Data Preprocessing, Data Transformation, Statistical Programming, Programming Principles, Data Structures
Beginner · Course · 1 - 3 Months

Codio
Skills you'll gain: Matplotlib, Statistical Hypothesis Testing, Data Analysis, Statistical Analysis, Data Import/Export, Data Cleansing, Probability & Statistics, Data Manipulation, Descriptive Statistics, Pandas (Python Package), Exploratory Data Analysis, Correlation Analysis, Python Programming, Programming Principles, Computational Logic
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Machine Learning, Applied Machine Learning, Research, Model Evaluation, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Research Design, Data Collection, Surveys, Human Factors, Classification Algorithms, Experimentation, Data Quality, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Agile Methodology, Product Strategy, Product Design, Market Analysis, Target Market, Stakeholder Communications, Portfolio Management, Decision Making, Data Analysis, Technical Communication, Communication, Innovation, Complex Problem Solving, Key Performance Indicators (KPIs), Prioritization
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Structures, Python Programming, Algorithms, Data Manipulation, Computational Thinking, Programming Principles, Data Processing, Data Dictionary, Computer Programming
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Usability, Information Architecture, Responsive Web Design, Hypertext Markup Language (HTML), Front-End Web Development, MySQL, Web Design and Development, User Experience Design, Browser Compatibility, User Interface (UI), HTML and CSS, Verification And Validation, User Interface (UI) Design, Server Side, Semantic Web, Back-End Web Development, Javascript
Beginner · Specialization · 1 - 3 Months