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.

Board Infinity
Skills you'll gain: Angular, Frontend Performance, Application Deployment, JavaScript Frameworks, Scalability, Software Architecture, Performance Tuning, Node.JS, Web Applications, Web Development Tools, Application Performance Management, Server Side, Enterprise Architecture, Web Analytics and SEO, Maintainability, Debugging
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Google Ads, Google Analytics, Marketing Analytics, Data Integration, Web Analytics, Data Access
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Data Validation, User Interface (UI) Design, User Interface (UI), Application Design, Usability, Verification And Validation, Interactive Design, Image Quality
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Microsoft SQL Servers, Database Design, Transaction Processing, Relational Databases, Stored Procedure, SQL, Database Management, Databases, Database Architecture and Administration, Database Management Systems, Data Integrity, Test Data, Data Manipulation, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Animations, User Interface (UI) Design, C# (Programming Language), Performance Tuning
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Network Troubleshooting, Data Integration, Scripting, Software Installation, System Monitoring, Data Pipelines, Network Monitoring, Secure Coding, System Configuration, Load Balancing, Configuration Management, System Implementation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Business Intelligence, Business Analytics, Business Reporting
Mixed · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, Sales Strategy, Sales Management, Sales Development, Sales, Sales Process, Sales Pipelines, Customer Relationship Management, AI Enablement, B2B Sales, AI Personalization, Sales Presentation, Lead Generation, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Data-Driven Decision-Making, Generative AI Agents, Forecasting
Intermediate · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Continuous Delivery, DevOps, Continuous Deployment, CI/CD, Continuous Integration, Test Automation, Agile Methodology, Automation, Continuous Improvement Process, Unit Testing, Information Technology Operations, Systems Administration, System Support, System Testing, Software Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Enterprise Application Management, Generative AI Agents, Agentic systems, Retrieval-Augmented Generation, Scalability, Secure Coding, Context Management, Performance Tuning, Vector Databases, Embeddings, Debugging, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Reporting, Web Analytics, Statistical Process Controls, Data Analysis, Statistical Analysis, Strategic Decision-Making, Analytics, Statistical Methods, Business Metrics, Performance Metric, Performance Analysis, Anomaly Detection, Descriptive Analytics, Customer Engagement, Benchmarking
Intermediate · Course · 1 - 4 Weeks