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.

Skills you'll gain: Jest (JavaScript Testing Framework), Django (Web Framework), Version Control, Restful API, Responsive Web Design, Cascading Style Sheets (CSS), Unix Commands, HTML and CSS, Git (Version Control System), API Testing, GitHub, Relational Databases, Database Management Systems, Bootstrap (Front-End Framework), React.js, Mobile Development, SQL, Database Design, API Design, Python Programming
★ 4.7 (25K) · Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Database Design, Data Processing, Debugging, Web Scraping, Data Visualization, Relational Databases, Restful API, Web Services, SQL, Databases, Data Visualization Software, JSON, Interactive Data Visualization, Extensible Markup Language (XML), Data Structures, Data Cleansing, Programming Principles, Data Analysis, Python Programming, Computer Programming
★ 4.8 (280K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, ChatGPT, Generative AI, Data Ethics, Software Design, Software Architecture, Continuous Integration, Software Design Patterns, Software Development, LLM Application, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, Application Security, Software Engineering, Deep Learning, Debugging, Augmented and Virtual Reality (AR/VR), DevSecOps, Machine Learning
★ 4.7 (12K) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Threat Detection, Penetration Testing, Exploit development, Cyber Threat Intelligence, Threat Management, Incident Response, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, Vulnerability Management, Cybersecurity, Network Security, Network Monitoring, Bash (Scripting Language), Intrusion Detection and Prevention, Network Troubleshooting, Anomaly Detection, Information Systems Security, Cyber Security Policies, Network Analysis
★ 4.6 (186) · Intermediate · Professional Certificate · 3 - 6 Months
Duke University
Skills you'll gain: File I/O, Java Programming, Software Design, Debugging, Software Engineering, Javascript, Computer Programming, Event-Driven Programming, Encryption, Algorithms, Image Analysis, AI Personalization, Program Development, Data Processing, Statistical Analysis, Data Import/Export, Predictive Modeling, Integrated Development Environments, Data Analysis, Cascading Style Sheets (CSS)
★ 4.6 (22K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, Open Web Application Security Project (OWASP), Istio, Linux Commands, Software Architecture, Application Deployment, Kubernetes, NoSQL, Bash (Scripting Language), Restful API, MongoDB, Shell Script, Django (Web Framework), Object-Relational Mapping, OpenShift, Grafana, Microservices, Data Import/Export, Python Programming
★ 4.6 (53K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: QuickBooks (Accounting Software), Vendor Management, Ledgers (Accounting), Accounting Software, Inventory and Warehousing, Payroll Processing, Financial Reporting, Business Reporting, Customer Data Management, Management Reporting, Financial Analysis, Payroll, Billing & Invoicing, Sales Management, Project Accounting, Small Business Accounting, Accounting Systems, Business Software, Business, Business Analysis
★ 4.5 (82) · Beginner · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Software Design Patterns, Requirements Analysis, White-Box Testing, Software Architecture, Acceptance Testing, Software Development Methodologies, Unified Modeling Language, Software Development Life Cycle, Configuration Management, Debugging, Software Design, Process Driven Development, Software Engineering, Software Testing, Object Oriented Design, Functional Requirement, Data Modeling, Systems Design, Project Management, Project Planning
★ 4.6 (644) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: User Research, Cascading Style Sheets (CSS), User Experience Design, User Experience, Design Research, Linux Commands, Usability, Debugging, User Interface (UI), Software Versioning, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, JavaScript Frameworks, User Interface and User Experience (UI/UX) Design, Javascript, Web Applications, Event-Driven Programming, Unit Testing, Application Programming Interface (API)
★ 4.7 (24K) · Beginner · Professional Certificate · 3 - 6 Months
University of Michigan
Skills you'll gain: Debugging, Programming Principles, Computer Programming, Python Programming, Integrated Development Environments, Computer Programming Tools, Computational Thinking, Software Installation
★ 4.8 (233K) · Beginner · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Software Testing, Test Planning, Test Case, Acceptance Testing, Functional Testing, Software Quality Assurance, Quality Assurance, Usability Testing, White-Box Testing, Integration Testing
★ 4.8 (545) · Beginner · Course · 1 - 3 Months

EC-Council
Skills you'll gain: Penetration Testing, Threat Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Vulnerability Assessments, Network Security, Threat Detection, Vulnerability Scanning, Cybersecurity, Cyber Attacks, Brute-force attacks, Exploitation techniques, Application Security, Human Factors (Security), Web Applications, Mobile Security, Internet Of Things, Authentications, Encryption, Wireless Networks
★ 4.6 (611) · Beginner · Course · 1 - 3 Months