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.

DeepLearning.AI
Skills you'll gain: AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Tool Calling, Software Design Patterns
★ 4.6 (51) · Beginner · Project · Less Than 2 Hours

University of California, Irvine
Skills you'll gain: Data Storytelling, Dashboard Creation, Dashboard, Data Presentation, Data Visualization, Data Visualization Software, Interactive Data Visualization, Statistical Visualization, Plot (Graphics), Data Literacy, Tableau Software, Data Ethics, Exploratory Data Analysis, Descriptive Statistics, Data Analysis, Visual Storytelling, Market Data, Descriptive Analytics, Geospatial Information and Technology, Data Mapping
★ 4 (31) · Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Cascading Style Sheets (CSS), Web Design and Development, Front-End Web Development, Responsive Web Design, jQuery, React.js, Javascript, Web Applications, JavaScript Frameworks, Web Development, Frontend Integration, Application Frameworks, UI Components, digital literacy, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, User Interface (UI), Event-Driven Programming, Maintainability
★ 4.4 (51) · Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Data Structures, Programming Principles, Python Programming, Computer Programming, Web Development Tools, Software Engineering, Web Development
★ 4.5 (42) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Rmarkdown, Ggplot2, R (Software), Plot (Graphics), Data Visualization, Tidyverse (R Package), Statistical Visualization, R Programming, Data Visualization Software, Statistical Programming, Data Manipulation, Data Analysis Software, Statistical Reporting, Data Analysis, Data Validation, Data Transformation, Code Reusability, Software Installation, Programming Principles, Aesthetics
★ 4.2 (49) · Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Memory Management, C (Programming Language), Embedded Systems, Software Visualization, Computer Engineering, Embedded Software, Computer Programming, Programming Principles, Data Structures, Linux
★ 4.7 (67) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Data Visualization, Data Manipulation, Statistical Visualization, Data Wrangling, Data Science, Package and Software Management, Exploratory Data Analysis, Python Programming
★ 4.6 (79) · Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Object Oriented Design, Memory Management, Computer Programming, Code Reusability, Programming Principles, Algorithms, Data Structures, Data Manipulation
★ 4.4 (59) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Infrastructure as Code (IaC), Terraform, Google Cloud Platform, Cloud Infrastructure, Cloud Management, Cloud Storage, Command-Line Interface, Code Reusability, Configuration Management, Dependency Analysis
★ 4.6 (60) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Regression Analysis, Predictive Modeling, Exploratory Data Analysis, Model Evaluation, Model Training, Statistical Machine Learning, Scikit Learn (Machine Learning Library), Supervised Learning, Machine Learning Methods, Statistical Methods, Applied Machine Learning, Machine Learning, Data Preprocessing, Decision Tree Learning, Deep Learning, Data Analysis, Test Data, Artificial Neural Networks, Data Import/Export, Python Programming
★ 4.8 (69) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Digital pedagogy, Education Software and Technology, Learning Management Systems, digital literacy
★ 4.6 (88) · Beginner · Guided Project · Less Than 2 Hours

Alex Genadinik
Skills you'll gain: Prompt Engineering, Overcoming Objections, Closing (Sales), Rapport Building, Business Ethics, B2B Sales, Vibe coding, Prompt Patterns, Data Ethics, Price Negotiation, Content Performance Analysis, Negotiation, LLM Application, ChatGPT, AI Personalization, Generative AI Agents, Video Production, Artificial Intelligence, Generative AI, Content Creation
★ 4.4 (40) · Beginner · Specialization · 3 - 6 Months