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.

John Wiley & Sons
Skills you'll gain: Secure Coding, Application Security, Mobile Security, Vulnerability Assessments, Vulnerability Management, Application Frameworks, Program Development, Risk Management Framework, Cyber Security Policies, Computer Security, Security Controls, C and C++, C# (Programming Language), Java Programming, C++ (Programming Language), PHP (Scripting Language), Python Programming, C (Programming Language), Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Storyboarding, User Experience Design, Design Reviews, Figma (Design Software), UI/UX Research, Graphic and Visual Design, Wireframing, User Story, Usability Testing, Information Architecture, Mockups, Adobe XD, User Experience, Ideation, Persona (User Experience), Web Presence, Responsive Web Design, Graphic and Visual Design Software, Layout Design, Design Elements And Principles
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Infrastructure as Code (IaC), Terraform, Ansible, Amazon CloudWatch, IT Automation, Cloud Deployment, Infrastructure As A Service (IaaS), Cloud Computing Architecture, Cloud Infrastructure, DevOps, Amazon Web Services, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Application Deployment, YAML, System Monitoring, Identity and Access Management, Continuous Monitoring, Amazon DynamoDB, Configuration Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Object Oriented Design, Unity Engine, Object Oriented Programming (OOP), Video Game Development, Software Design Patterns, C# (Programming Language), Debugging, Data Structures, Software Design, Game Design, Prototyping, Programming Principles, Data Storage, Graph Theory, Code Reusability, C and C++, Event-Driven Programming, Software Architecture, Application Design, Algorithms
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Public Health and Disease Prevention, Trend Analysis, Infection Control, Geographic Information Systems, Statistical Visualization, Health Policy, Data Visualization Software, Chronic Diseases, GIS Software, Geospatial Information and Technology, Infectious Diseases, Datamaps, Health Informatics, Risk Analysis, Investigation, Geospatial Mapping, Health Assessment, Statistics
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Embedded Systems, Embedded Software, Electronic Systems, Engineering, Scientific, and Technical Instruments, Electronic Hardware, Thermal Management, Electrical and Computer Engineering, Electronics Engineering, Hardware Design, Electronics, Laboratory Experience, Electronic Components, Design Specifications, Schematic Diagrams, Development Environment, Debugging
Build toward a degree
Advanced · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI Agents, LangGraph, Generative AI, LangChain, Agentic Workflows, Multimodal Prompts, LLM Application, UI Components, AI Security, Vector Databases, Large Language Modeling, Application Security, User Interface (UI) Design, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Embeddings, Python Programming
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Development Environment, Systems Architecture, Data Storage
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, Javascript, Data Manipulation, HTML and CSS, Data Validation, UI Components, Scripting, Event-Driven Programming, Computational Thinking, JavaScript Frameworks, Web Design and Development, Web Applications, Programming Principles, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Program Development, Game Design, Frontend Performance, Event Monitoring
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, Cloud Computing, Cloud Solutions, Public Cloud, Cloud Infrastructure, Cloud Platforms, Amazon Elastic Compute Cloud, Cloud Services, Cloud Computing Architecture, Serverless Computing, Cloud Deployment, Cloud Security, Cloud Storage, Security Controls, Databases, Database Systems, Virtual Networking, Data Storage, Network Architecture, Data Migration
Beginner · Course · 3 - 6 Months
University of Michigan
Skills you'll gain: Network Security, Network Administration, Network Protocols, Network Architecture, TCP/IP, Cryptographic Protocols, General Networking, Cryptography, Computer Networking, Encryption, Web Development, Web Servers, Business Technologies, Innovation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Large Language Modeling, Retrieval-Augmented Generation, LangChain, LLM Application, Natural Language Processing, Data Ethics, Responsible AI, Text Mining, Embeddings, Deep Learning, Generative AI, Fine-tuning, Artificial Intelligence, Classification Algorithms, Machine Learning Methods, Data Preprocessing, Applied Machine Learning, Machine Learning, Model Optimization, Model Evaluation
Intermediate · Course · 1 - 3 Months