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: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Test Script Development, Programming Principles, Web Development Tools, Code Reusability, Test Execution Engine, Javascript, Browser Compatibility, Scripting
★ 4.5 (13) · Beginner · Specialization · 3 - 6 Months

Multiple educators
Skills you'll gain: Leadership Studies, Sustainable Systems, Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Systems Thinking, Brand Marketing, Change Management, Strategic Leadership, Professional Development, Waste Minimization, Packaging and Labeling, Environment and Resource Management, Business Leadership, Regulatory Compliance, Engineering Management, Market Opportunities, Key Performance Indicators (KPIs), Emerging Technologies, Digital Marketing
★ 4.7 (20) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Security Controls, Configuration Management, Package and Software Management, Cybersecurity, Identity and Access Management, Software Installation, Computer Programming, Information Technology
★ 4.6 (19) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, OpenAI API, AI Workflows, OpenAI, LLM Application, AI Integrations, Performance Tuning, Real Time Data, Tool Calling, Prompt Patterns, Prompt Engineering, Token Optimization, Application Programming Interface (API), Software Architecture
★ 3.6 (8) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Sensory Systems Analysis, Experimentation, Product Testing, Acceptance Testing, Laboratory Testing, Laboratory Research, Laboratory Experience, Laboratory Procedures, Case Studies, Research Design, Analysis, Data Collection, Research Reports, Data Analysis, Recruitment
★ 4.9 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cross-Functional Collaboration, Project Management Software, Workflow Management, Coordinating, Organizational Skills, Project Management, Organizational Structure, Accountability Frameworks
★ 4.7 (18) · Beginner · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Storage, Data Storage, Data Storage Technologies, Amazon Elastic Compute Cloud, AWS Identity and Access Management (IAM), Cloud Security, Security Controls, File Management, File Systems, Key Management, Encryption
★ 4.8 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Snowflake Schema, Star Schema, Business Intelligence, Data Modeling, Database Design, Data Management, Data Integration, Performance Tuning, Databases, Data Transformation, Query Languages, Performance Improvement
★ 4.1 (18) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Docker (Software), Cloud-Native Computing, Containerization, Application Deployment, Webhook Security, Data Storage, Security Controls, Authentications, Network Model, Data Persistence, Scalability
★ 3.4 (21) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, C and C++, C++ (Programming Language)
★ 4.2 (17) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: JSON, Application Programming Interface (API), Restful API, Javascript, Web Applications, Hypertext Markup Language (HTML), Servers, Cascading Style Sheets (CSS)
★ 4.8 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Intelligence, AI literacy, Responsible AI, Generative AI, Open Source Technology, Large Language Modeling, Machine Learning, Model Evaluation
★ 4.8 (31) · Beginner · Course · 1 - 3 Months