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.

Infosec
Skills you'll gain: Authentications, Application Security, Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Cloud Security, Threat Management, Infrastructure Security, Exploitation techniques, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Dependency Analysis
★ 4.5 (114) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: TikTok, Content Performance Analysis, Data-Driven Marketing, Online Advertising, Performance Measurement, Advertising, Advertising Campaigns, Digital Advertising, Marketing Analytics, Key Performance Indicators (KPIs), Marketing, Marketing Strategies, E-Commerce, Social Media Marketing, Social Media Analytics, Campaign Management, Product Promotion, Market Analysis
★ 4.7 (73) · Beginner · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Other Programming Languages, Object Oriented Design, Computational Logic, Command-Line Interface
★ 4.8 (66) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Data-Driven Decision-Making, Project Performance, Product Improvement
★ 4.8 (49) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, Data Analysis, Analysis, C and C++, C (Programming Language), Statistical Analysis, Data Presentation, Programming Principles, Computer Programming, Descriptive Statistics
★ 4.7 (93) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Copilot, Generative AI, Power BI, Interactive Data Visualization, AI Integrations, Data Analysis
★ 4.5 (67) · Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Model Context Protocol, AI Security, AI Integrations, Tool Calling, Generative AI Agents, Security Engineering, Context Management, Interoperability, Agentic systems, Generative AI
★ 4.6 (58) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: HTML and CSS, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Design and Development, File Management, Web Design, Front-End Web Development, Web Development
★ 4.8 (74) · Beginner · Course · 1 - 4 Weeks

Unilever
Skills you'll gain: Web Analytics, Social Media Campaigns, Campaign Management, Web Analytics and SEO, Digital Marketing, Google Analytics, Social Media Marketing, Search Engine Marketing, Digital Media Strategy, Social Media Strategy, Marketing Strategies, Search Engine Optimization, Keyword Research, Online Advertising, Marketing Analytics, A/B Testing, Social Media, Campaign Planning, Advertising Campaigns, Value Propositions
★ 4.8 (64) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Self-Awareness, Personal Development, Engineering Management, Leadership Development, Curiosity, Leadership, Cognitive flexibility, Growth Mindedness, Decision Making, Social Skills, Time Management, Prioritization
★ 4.8 (78) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Transact-SQL, Microsoft SQL Servers, Transaction Processing, Database Management, Relational Databases, SQL, Databases, Database Architecture and Administration, Database Theory, Operational Databases, Database Development, Data Integrity, Data Access, Generative AI, Performance Tuning
★ 4.3 (51) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Logistic Regression, Predictive Modeling, Predictive Analytics, Statistical Modeling, Regression Analysis, Statistical Software, Statistical Analysis, Model Evaluation, Statistical Inference, Model Deployment, Data Analysis, Statistical Methods, Statistical Hypothesis Testing, Probability
★ 4.7 (53) · Intermediate · Course · 1 - 4 Weeks