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 Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Role-Based Access Control (RBAC), AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Computing, Malware Protection, Threat Modeling, Cloud Security, Load Balancing, Security Engineering, User Accounts, Authorization (Computing), Identity and Access Management, Network Security, Information Systems Security, Cybersecurity, Encryption, Geographic Information Systems
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Data Presentation, Responsible AI, Data Storytelling, Prompt Engineering, Data Analysis, AI Enablement, Oral Expression
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), Ajax, React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), JavaScript Frameworks, JSON, Generative AI, Database Design, UI Components
Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Robotics, Automation, Control Systems, Prototyping, Programming Principles, Integrated Development Environments, Electronic Components, Embedded Systems, Electronics, Software Installation, Development Environment
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Linux Servers, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cyber Security Assessment, Cybersecurity, Security Testing, Cyber Risk, Vulnerability Management, Incident Response
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Database Design, SQL, Relational Databases, PostgreSQL, Database Theory, Database Management, Data Modeling, Databases, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Data Transformation, Extract, Transform, Load, Data Manipulation, SQL, Integrated Development Environments, Data Processing, Databases, Application Programming Interface (API), Code Review, Python Programming, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Systems Engineering, Conceptual Design, Systems Design, Requirements Analysis, Systems Development Life Cycle, Requirements Elicitation, Systems Architecture, Systems Integration, Engineering Design Process, System Design and Implementation, Concept Of Operations, Configuration Management, Prototyping, System Requirements, Design Reviews, Verification And Validation
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Semiconductors, Electrical Engineering, Electronics, Electronics Engineering, Electronic Components, Simulation and Simulation Software
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Microsoft Power Platform, Stakeholder Management, Software Development Life Cycle, Team Building, Agile Methodology, Quality Management, Agile Project Management, Project Management Institute (PMI) Methodology, Power BI, Microsoft Power Automate/Flow, Scrum (Software Development), Business Analysis, Virtual Teams, Requirements Management, Risk Management, Team Management, Project Management Life Cycle, Project Management, Microsoft Project, Business
Beginner · Specialization · 3 - 6 Months