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 Washington
Skills you'll gain: Ruby (Programming Language), Other Programming Languages, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Functional Design, Code Reusability
Mixed · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Simulations, Python Programming, Agentic systems, Statistical Methods, Programming Principles, Numerical Analysis, Mathematical Modeling, Simulation and Simulation Software, Probability, Applied Mathematics, Mathematical Software, Sampling (Statistics), Process Modeling, Event-Driven Programming, Mechanics
Mixed · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), Data Quality, Data Analysis, Data Analysis Software, Exploratory Data Analysis, Data Cleansing, Virtual Environment, Data Literacy, Interactive Data Visualization, Data Access, Statistical Reporting, Data Transformation, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Disaster Recovery, Data Management, Google Cloud Platform, Cloud Infrastructure, Data Integration, Cloud Services, SAP Applications, Cloud Computing Architecture, Identity and Access Management, Cloud Deployment, Cloud Computing, Cloud Management, Cloud Security, Data Migration, IT Infrastructure, Cloud Storage, Systems Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Presentation, Data Cleansing, Data Storytelling, Rmarkdown, Data Ethics, Ggplot2, Data Validation, Query Languages, Spreadsheet Software, Interactive Data Visualization, Tableau Software, Data Literacy, Analytical Skills, Data Visualization Software, Data-Driven Decision-Making, Dashboard, Data Analysis, Data Integrity, Database Management, Case Studies
Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, Model Training, Model Evaluation, Predictive Modeling, AI Security, OpenAI, Data Collection, Machine Learning, Predictive Analytics, Information Privacy, Artificial Intelligence, Game Theory, Large Language Modeling, Algorithms, AI literacy, Personally Identifiable Information, Machine Learning Algorithms, Analytical Skills, Analysis
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Surveys, UI/UX Research, User Research, Survey Creation, A/B Testing, Web Analytics, User Experience, Qualitative Research, Usability Testing, Research Methodologies, Web Analytics and SEO, Data Collection, Research Design, Experimentation, Sample Size Determination
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Hardware Design, Security Engineering, Computer Hardware, Hardware Architecture, Hardening, Computer Security, Threat Modeling, Threat Detection, Cybersecurity, Intrusion Detection and Prevention, Security Architecture Review, Application Specific Integrated Circuits, Cryptographic Protocols, Microarchitecture, Cryptography, Systems Design, Encryption, Exploitation techniques, Functional Design, Emerging Technologies
Mixed · Course · 1 - 3 Months

Akamai Technologies, Inc.
Skills you'll gain: SQL, Linux, Endpoint Security, Database Management, Incident Response, Relational Databases, Network Security, Database Systems, Vulnerability Scanning, Computer Security Incident Management, Security Management, Databases, Linux Administration, File Systems, Routing Protocols, OSI Models, Application Development, Remote Access Systems, Scripting, Scripting Languages
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Unit Testing, TypeScript, Test Script Development, Software Testing, Test Driven Development (TDD), JavaScript Frameworks, Code Coverage, Test Automation, Test Case, Javascript
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Sales Territory Management, Cold Calling, Regional Sales, Consultative Selling, Lead Generation, Selling Techniques, Sales Training, B2B Sales, Sales Management, Agentic Workflows, Closing (Sales), Sales, Sales Operations, AI Personalization, Generative AI Agents, Sales Pipelines, Business Strategy, Customer Engagement, Customer Analysis, Campaign Management
Intermediate · Specialization · 3 - 6 Months
Google Cloud
Skills you'll gain: Google Workspace, Gmail, Google Gemini, Group Policy, Service Management, Scripting, Automation, Document Management, System Configuration, Collaborative Software, Configuration Management, Cloud Storage
Beginner · Course · 1 - 4 Weeks