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.

Yonsei University
Skills you'll gain: TCP/IP, Routing Protocols, Network Protocols, Open Shortest Path First (OSPF), Network Routing, Cybersecurity, Network Monitoring, Network Security, Cyber Attacks, Network Performance Management, Intrusion Detection and Prevention, Network Routers, Network Infrastructure, File Transfer Protocol (FTP), Dynamic Host Configuration Protocol (DHCP), Network Architecture, System Configuration, Network Analysis
★ 4.6 (2.8K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Security Testing, Exploitation techniques, Vulnerability Assessments, Cyber Security Assessment, Server Side, Test Tools, Cyber Security Strategy, SQL, Hypertext Markup Language (HTML), Databases, Query Languages, SQL Server Integration Services (SSIS), Ethical Standards And Conduct, Amazon S3
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Threat Modeling, Application Security, Security Engineering, Blockchain, Security Controls, Security Requirements Analysis, IT Security Architecture, Security Testing, Security Architecture Review, Data Security, Identity and Access Management, Vulnerability Assessments, Cryptographic Protocols, Cryptography, Threat Detection, Distributed Denial-Of-Service (DDoS) Attacks, Information Assurance, Public Key Infrastructure, Risk Analysis, Penetration Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Software Architecture, Memory Management, Code Reusability, Software Design, Maintainability, Application Design, Programming Principles, Secure Coding, User Interface (UI) Design, Javascript
Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Collection, Marketing, Data-Driven Marketing, Marketing Analytics, Digital Marketing Tools, Google Analytics, Online Advertising, Meta Ads Manager, Digital Marketing, Data Capture, Application Programming Interface (API), Law, Regulation, and Compliance, Web Analytics, Information Privacy, Data Integration, Analytics, Data Analysis, Advertising
★ 4.8 (2.4K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: COBOL (Programming Language), Prompt Patterns, Prompt Engineering, Code Review, Code Reusability, Application Lifecycle Management, CI/CD, Agentic systems, Software Technical Review
Intermediate · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Apple iOS, Swift Programming, User Interface (UI), Apple Xcode, User Interface (UI) Design, Data Persistence, UI Components, Mobile Development, Programming Principles, Unit Testing, Application Development, Data Store, Mobile Development Tools, Software Testing, Apple software proficiency, Generative AI Agents, JSON, Mac OS, Storyboarding
Beginner · Course · 3 - 6 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Application Design, Software Design, Software Design Patterns, Functional Design, Other Programming Languages, Event-Driven Programming, Functional Testing, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
★ 4.5 (3.1K) · Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Data, Financial Accounting, Corporate Accounting, Process Optimization, Analytics, Corporate Strategy, Accounting, Financial Forecasting, Business Metrics, Process Improvement and Optimization, Operational Analysis, Advanced Analytics, Performance Measurement, Accrual Accounting, Accruals, Predictive Analytics, Finance
★ 4.5 (3K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Agentic systems, Retrieval-Augmented Generation, Agentic Workflows, AI Workflows, Prompt Patterns, Responsible AI, Generative AI Agents, AI Security, AI Enablement, JSON, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Embeddings, AI Personalization, Application Programming Interface (API), Vector Databases, Knowledge Transfer, Integration Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Exploitation techniques, Cyber Security Assessment, Penetration Testing, Model Context Protocol, API Testing, AI Security, Vulnerability Scanning, Prompt Engineering Tools, LLM Application, AI Integrations, Unix Shell, Postman API Platform, Shell Script, Security Testing, Vulnerability Assessments, Prompt Patterns, Anthropic Claude, AI Workflows, Model Deployment
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Salesforce Development, Visualforce, Force.com, Salesforce, Application Development, Payment Processing, Payment Systems, Software As A Service, Software Development Life Cycle, Cloud Applications, Payment Processing and Collection, Merchant Services, Credit/Debit Card Processing, Development Testing, Verification And Validation, Transaction Processing, Business Logic, Authentications, Data Validation
Intermediate · Course · 3 - 6 Months