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: OSI Models, TCP/IP, Vulnerability Scanning, General Networking, Network Protocols, Network Security, Network Monitoring, Network Troubleshooting, Security Testing, Intrusion Detection and Prevention, Vulnerability Assessments, Firewall, Performance Tuning, Threat Detection, Network Analysis, Test Script Development, Scripting, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Adobe After Effects, Animations, Logo Design, Motion Graphics, Graphics Software, Graphic Design, File Management
★ 3.8 (9) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Hypertext Markup Language (HTML), Software Documentation, Technical Documentation, Web Development, Technical Writing
★ 4.3 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, Incident Management, Security Management, Digital Forensics, Disaster Recovery, Risk Management Framework, Cybersecurity, NIST 800-53, Threat Management, Risk Management, Cyber Security Policies, Security Controls, Cloud Security, Virtualization and Virtual Machines, Cloud Computing, Scenario Testing
★ 4.8 (10) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Design, Marketing Collateral, Graphic Design, Marketing Materials, Content Creation, Digital Content, Organizational Skills, Marketing, Collaborative Software, Data Sharing, Design and Product, Branding, Google Workspace, User Accounts, Advertising
★ 3.9 (11) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Agile Software Development, Stakeholder Analysis, Healthcare Project Management, Agile Methodology, Health Technology, Wireframing, Human Centered Design, Agile Project Management, Agile Product Development, Health Systems, Healthcare Industry Knowledge, Scalability, Software Development Methodologies, Product Design, Design Thinking, Product Planning, Stakeholder Management, Prototyping, Stakeholder Engagement, Health Care
★ 2.7 (7) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, OpenAI API, Generative AI, Data Visualization, Data Visualization Software, OpenAI, ChatGPT, Data Literacy, Plot (Graphics), Data Analysis, Python Programming, Data Manipulation, Natural Language Processing
★ 4.4 (9) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Kubernetes, Containerization, Development Environment, Application Deployment, Software Development
★ 4.4 (7) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Responsible AI, Generative AI Agents, Workflow Management, Model Evaluation, Decision Intelligence, AI Orchestration, Process Analysis, Technical Communication, Quality Assurance, Process Mapping, Quality Assessment, Artificial Intelligence, Scalability, Process Design, Acceptance Testing, Maintainability, Prompt Engineering, Generative AI, Governance, Business Process Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Anthropic Claude, Business Intelligence, Data Presentation, Data Visualization, Data Storytelling, Trend Analysis, Sales Presentations, Sales, Business Analytics, Sales Strategy, Data-Driven Decision-Making, Data Analysis, Business Strategies, Business Strategy, Business Analysis, LLM Application
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Cloud Platform, AI Integrations, Cloud Infrastructure, Model Optimization, AI Workflows, Performance Tuning, Interoperability, Product Demonstration, Benchmarking, Hardware Architecture, Product Knowledge
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Linux Administration, Amazon Elastic Compute Cloud, Linux Servers, Identity and Access Management, Cloud Hosting, Cloud Deployment, Cloud Infrastructure, Amazon Web Services, Cloud Computing, Front-End Web Development, Cloud Management, Linux, Ubuntu, UI Components, Application Deployment, React.js, Event-Driven Programming, Javascript, Apache
★ 4.8 (9) · Intermediate · Specialization · 3 - 6 Months