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.

EC-Council
Skills you'll gain: Cryptography, Encryption, Systems Development Life Cycle, Human Factors (Security), Security Awareness, Cybersecurity, Cyber Attacks, Cyber Security Policies, Threat Detection, ISO/IEC 27001, Security Controls, Computer Security, Network Security, Risk Management Framework, Information Systems, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Intellectual Property, Tax Preparation, Contract Management, Team Management, Tax Compliance, Benefits Administration, Law, Regulation, and Compliance, Business Planning, Entrepreneurship, Billing & Invoicing, Risk Management
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Program Development, Computer Programming, Data Structures, Debugging
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), API Design, JSON, Web Applications, Software Architecture
Beginner · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, AI Workflows, Hugging Face, Unstructured Data, SQL, Web Services, Prompt Engineering, AI Enablement, Database Management, Restful API, Data Processing
Intermediate · Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Bayesian Network, Linear Algebra, Numerical Analysis, Matlab, Statistical Modeling, Simulations, Estimation, Advanced Mathematics, Mathematical Modeling, Statistical Analysis, Time Series Analysis and Forecasting, Probability & Statistics, Control Systems, Forecasting, Applied Mathematics, Statistical Methods, Predictive Analytics, Engineering Analysis, Mathematical Software, Simulation and Simulation Software
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: COBOL (Programming Language), Job Control Language (JCL), IBM DB2, z/OS, Mainframe Computing, Relational Databases, File Management, Data Management, Databases, Database Management Systems, File Systems, Programming Principles, Command-Line Interface, Computer Programming
Beginner · Course · 1 - 3 Months

Copenhagen Business School
Skills you'll gain: Artificial Intelligence, Large Language Modeling, Natural Language Processing, Theoretical Computer Science, Human Learning, Statistical Analysis, Artificial Neural Networks, Computational Thinking, Human Computer Interaction, Social Impact
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Data Integrity, Performance Tuning, CI/CD, Data Processing, Debugging, System Monitoring, Data Transformation, Unit Testing, Disaster Recovery
Advanced · Course · 1 - 3 Months

Skills you'll gain: GitHub, DevOps, Version Control, CI/CD, Continuous Integration, Continuous Deployment, Development Environment, Software Development, Amazon Elastic Compute Cloud
Intermediate · Course · 1 - 4 Weeks
University of Washington
Skills you'll gain: Marketing Psychology, Market Analysis, Consumer Behaviour, Marketing, Market Research, Marketing Planning, Strategic Marketing, Marketing Strategies, Competitive Analysis, Target Audience, Proposal Development, Marketing Channel, Business-To-Consumer, Cross-Channel Marketing, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: MySQL Workbench, MySQL, Database Management, Databases, Database Management Systems, Relational Databases, Management Information Systems, SQL
Beginner · Guided Project · Less Than 2 Hours