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.

University of Michigan
Skills you'll gain: Interactive Data Visualization, Interactive Design, Programming Principles, Visualization (Computer Graphics), Python Programming, Graphic and Visual Design, Computer Graphics, Computational Logic, Software Design, Computer Programming, Computational Thinking, File I/O, Data Structures, Animations
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Postman API Platform, API Testing, Data Validation, Application Programming Interface (API), Restful API, Verification And Validation, Performance Tuning, Microservices, Performance Testing, Security Controls, Data Integrity, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Competitive Analysis, Market Research, Consumer Behaviour, Market Analysis, Target Market, Market Opportunities, User Research, Product Strategy, Customer Insights, Data Analysis, Data Collection, Data-Driven Decision-Making, Business Strategy, Innovation, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Product Lifecycle Management, Sustainable Design, Sustainable Engineering, Digital Transformation, Project Planning, Business Acumen, Customer Service, Electronic Systems, Semiconductors, Engineering Design Process, Engineering Practices, Project Management, Internet Of Things, Collaboration, Artificial Intelligence, Business Communication, Teamwork, Risk Management, Leadership, Generative AI
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Convolutional Neural Networks, Deep Learning, Transfer Learning, Image Analysis, Computer Vision, PyTorch (Machine Learning Library), Artificial Neural Networks, Tensorflow, Classification Algorithms, Machine Learning, Supervised Learning, Data Processing, Linear Algebra
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Excel Macros, Data Validation, Scatter Plots, Pivot Tables And Charts, Microsoft Excel, Data Visualization, Regression Analysis, Excel Formulas, Histogram, Data Analysis, Data Integrity, Descriptive Statistics, Data Visualization Software, Spreadsheet Software, Analytics, Statistical Analysis, Data Analysis Expressions (DAX), Statistical Methods, Descriptive Analytics, Automation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Oracle SQL Developer, Oracle Databases, Database Design, Data Manipulation, SQL, Relational Databases, Database Management, Databases, Database Management Systems, Case Studies, Pivot Tables And Charts, Data Integration, Data Analysis, Performance Tuning, Business Intelligence, Analytics, Data Structures, Data Transformation
Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Command-Line Interface, Scripting, Unix Commands, Computer Programming Tools, Scripting Languages, Data Manipulation, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Operational Efficiency, Six Sigma Methodology, Operations Management, Lean Methodologies, Performance Metric, Business Process Management, Process Improvement, Process Analysis, Continuous Improvement Process, Business Technologies, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), Cloud API, Restful API, Server Side, JSON, Software Documentation, Javascript, Web Services, Application Security
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: MySQL, Bash (Scripting Language), Scripting, Database Management, Relational Databases, Command-Line Interface, SQL, Databases, Data Import/Export, Database Application, Data Pipelines, Data Manipulation, Python Programming, Linux
Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: AI Orchestration, LLM Application, AI Workflows, OpenAI API, Tool Calling, Retrieval-Augmented Generation, Prompt Engineering, Agentic systems, Data Pipelines
Intermediate · Project · Less Than 2 Hours