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: SQL, Database Management, Database Development, Database Design, Transact-SQL, Query Languages, Databases, Database Theory, Performance Tuning, Data Security
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: SQL, Query Languages, Google Cloud Platform, Operational Databases, Relational Databases, Database Architecture and Administration, Database Administration, Database Management Systems, Data Integrity, Databases, Cloud Management, Scalability, Cloud Platforms, Transaction Processing
Beginner · Project · Less Than 2 Hours

Alex Genadinik
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Keyword Research, Web Analytics, Auditing, Frontend Performance, Content Strategy, Content Optimization, Performance Tuning, Digital Marketing Tools, Performance Metric
Mixed · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, Version Control, R (Software), Big Data, R Programming, General Science and Research, Software Development Tools, GitHub, Statistical Programming, Git (Version Control System), Software Versioning, Software Configuration Management, Data Analysis, Statistical Reporting, Integrated Development Environments, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, GitHub, Web Design, Web Design and Development, Web Development Tools, Git (Version Control System), Browser Compatibility, Version Control, Front-End Web Development, Web Development, Application Deployment, Hypertext Markup Language (HTML), Typography
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Redis, Restful API, ASP.NET, .NET Framework, Application Programming Interface (API), Object-Relational Mapping, API Design, PostgreSQL, Middleware, Maintainability, Software Architecture, Software Design Patterns, Distributed Computing, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Facebook, Marketing Materials, Advertising, Graphic and Visual Design Software, Marketing Collateral, Marketing Design, Graphic and Visual Design, Graphic Design, Branding, Content Marketing, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: NoSQL, Operational Databases, Data Migration, Database Administration, Database Architecture and Administration, Relational Databases, PostgreSQL, Database Management, Database Design, SQL, Database Systems, Google Cloud Platform, Data Store, Databases, Distributed Computing, MySQL, Database Management Systems, System Configuration, Data Access, Disaster Recovery
Intermediate · Specialization · 1 - 3 Months

Northeastern University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Web Design and Development, HTML and CSS, Web Content Accessibility Guidelines, User Interface (UI), Hypertext Markup Language (HTML), User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, Web Development, User Interface (UI) Design, Usability, Web Applications, JavaScript Frameworks, Semantic Web, Event-Driven Programming, Data Validation, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Linux, Linux Commands, Operating System Administration, Systems Administration, System Testing, Command-Line Interface, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Fine-tuning, Model Evaluation, Context Engineering, LLM Application, Token Optimization, Large Language Modeling, Hugging Face, Transfer Learning, Model Optimization, Model Training, Context Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS SageMaker, Applied Machine Learning, Model Evaluation, Amazon Web Services, No-Code Development, Model Training, Machine Learning, Supervised Learning, Predictive Modeling, Amazon S3, Version Control, Data Preprocessing, Model Deployment, Data Validation
Beginner · Course · 1 - 3 Months