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: Feature Engineering, Dimensionality Reduction, Data Integration, Data Preprocessing, Exploratory Data Analysis, Data Visualization, Plot (Graphics), Matlab, Data Processing, Data Cleansing, Data Manipulation, Text Mining, Predictive Modeling, Unstructured Data, Image Analysis, Natural Language Processing
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Application Servers, Web Applications, Development Environment, Object Oriented Programming (OOP), Application Development, Eclipse (Software), Program Development, Computer Programming, Object Oriented Design, Mobile Development, UI Components, Event-Driven Programming, User Interface (UI), Virtual Machines, Data Structures, Command-Line Interface, Software Installation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Programming Principles, Computer Programming, Software Documentation, Functional Design, Computer Science, Maintainability
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Advanced Encryption Standard (AES), Cryptography, Encryption, Brute-force attacks, Algorithms
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, File I/O, Object Oriented Programming (OOP), Application Frameworks, Debugging, Data Persistence, Data Structures
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Real-Time Operating Systems, Software Development, Software Design, Software Architecture, Embedded Systems, Configuration Management, Systems Architecture, Application Development, Extensible Markup Language (XML)
Beginner · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Investment Management, Portfolio Management, Asset Management, Portfolio Risk, Machine Learning, Applied Machine Learning, Financial Market, Financial Modeling, Supervised Learning, Predictive Analytics, Unsupervised Learning, Regression Analysis, Statistical Methods, Jupyter, Computer Science, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Photo/Video Production and Technology, Video Production, Content Creation, Social Media, User Accounts, Design, Creativity
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Azure Active Directory, Authentications, Identity and Access Management, Authorization (Computing), Active Directory, Role-Based Access Control (RBAC), Multi-Factor Authentication, Microsoft Azure, Single Sign-On (SSO), Software As A Service, User Accounts, Cloud Services, Enterprise Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Product Lifecycle Management, Product Roadmaps, Product Management, Product Planning, New Product Development, Product Strategy, Project Management Life Cycle, Product Development, Project Planning, Agile Product Development, Business Planning, Team Building, Competitive Analysis, Market Research, Market Analysis, Marketing Strategies, Risk Management, Financial Analysis
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Marketing Analytics, AI Personalization, Advanced Analytics, Customer Retention, Analytics, Marketing Effectiveness, Predictive Modeling, Marketing, Data Analysis, Social Network Analysis, Customer Analysis, Data Ethics, Customer Insights, Market Analysis, Text Mining, Predictive Analytics, Marketing Strategy and Techniques, Digital Marketing, Machine Learning, Generative AI
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Project Management Software, Project Management, Project Coordination, Workflow Management, Timelines, Organizational Skills, Collaborative Software, Project Planning, Team Management, User Accounts
Beginner · Guided Project · Less Than 2 Hours