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.

Whizlabs
Skills you'll gain: Network Security, Virtual Private Networks (VPN), Microsoft Azure, Firewall, Virtual Networking, Application Security, Cloud Security, Identity and Access Management, Infrastructure Security, Load Balancing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Process Flow Diagrams, Process Mapping, Target Audience, Data Visualization, User Accounts, Business Process, Graphic Design, Business Strategy
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Human Centered Design, Environmental Regulations, Sustainability Standards, Design Thinking, Sustainable Business, Product Development, Product Design, Corporate Sustainability, Product Lifecycle Management, Regulatory Requirements, Design Strategies, Design Research
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Load Balancing, Microsoft Azure, Virtual Networking, Network Architecture, Cloud Computing Architecture, General Networking, Firewall, Network Security, Cloud Management, IT Automation, Data Migration, Cloud Security, Virtualization and Virtual Machines, Performance Tuning, Scalability, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Collaborative Software, Large Language Modeling, Data Preprocessing, Data Validation, Data Cleansing, Natural Language Processing, Verification And Validation, Transfer Learning, Data Quality, AI Workflows, Model Deployment
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Financial Statement Analysis, Credit Risk, Financial Analysis, Portfolio Risk, Market Data, Risk Analysis, Securities (Finance), Financial Data, Portfolio Management, Analysis, Risk Management, Derivatives, Business Valuation, Balance Sheet, Financial Market, Income Statement, Investments, Market Analysis, Analytics, Decision Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Centers, Ansible, Open Shortest Path First (OSPF), Network Switches, Computing Platforms, Virtual Networking, Virtual Local Area Network (VLAN), Network Infrastructure, Network Engineering, Border Gateway Protocol, Infrastructure Security, Network Monitoring, Data Storage Technologies, Automation, Event Monitoring, Configuration Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Office, Version Control, Document Management, Content Management, User Accounts, Data Sharing, Web Content Accessibility Guidelines
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Sample Size Determination, Six Sigma Methodology, Process Improvement, Quality Improvement, Data-Driven Decision-Making, Lean Methodologies, Statistical Process Controls, Process Analysis, Lean Manufacturing, Continuous Improvement Process, Predictive Modeling, Quality Management, Statistical Analysis, Regression Analysis, Probability & Statistics, Microsoft Excel, Statistical Hypothesis Testing
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, Retrieval-Augmented Generation, Model Deployment, AI Enablement, Make.com, Generative Model Architectures, LLM Application, Cloud Deployment, Embeddings, Software Documentation, Unit Testing, Key Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Team Building, Agile Project Management, Sprint Planning, Agile Software Development, Backlogs, Team Management, Agile Methodology, Sprint Retrospectives, Project Risk Management, Project Management, Meeting Facilitation, Stakeholder Engagement, Continuous Improvement Process
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization Software, Data Visualization, Statistical Visualization, Ggplot2, Plot (Graphics), R Programming, Scatter Plots, Data Collection, Data Analysis, Data Manipulation, Data Import/Export, Regression Analysis, Data Preprocessing, Software Installation
Intermediate · Course · 1 - 4 Weeks