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: Google Ads, Advertising Campaigns, Search Engine Marketing, Pay Per Click Advertising, Performance Analysis, Performance marketing, Bidding, Campaign Management, Online Advertising, Digital Advertising, Web Analytics, Advertising, Performance Metric, Keyword Research, Key Performance Indicators (KPIs), Target Audience, Performance Management
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Storytelling, Dashboard, Data Presentation, Interactive Data Visualization, Key Performance Indicators (KPIs), Tableau Software, Data Visualization Software, Data-Driven Decision-Making, Business Metrics, Data Quality
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Performance Tuning, Software Testing, Unit Testing, Application Programming Interface (API), Software Documentation, Web Applications, Test Driven Development (TDD), Node.JS, Debugging, Maintainability, Javascript, Software Architecture, JSON, Real Time Data, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Disaster Recovery, SAP Applications, Azure Active Directory, Cloud Infrastructure, Cloud Management, System Monitoring, Application Deployment, Virtual Machines, Virtual Networking, IT Infrastructure, Cloud Storage, Data Migration, Performance Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangChain, Development Environment, Agentic systems, AI Workflows, Artificial Intelligence, Tool Calling, LLM Application, Database Systems, Database Management, SQL, Database Application, OpenAI API, Software Development Tools, Prompt Engineering
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

Duke University
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Unix Shell, Linux Commands, Command-Line Interface, Unix Commands, Business Logic, DevOps
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Semiconductors, High Voltage, Power Electronics, Electronic Components, Electronics Engineering, Electronics, Simulation and Simulation Software
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cross Platform Development, Program Development, Computer Programming, Software Engineering, Python Programming, Software Installation, Web Development, Software Design
Beginner · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: Serverless Computing, Amazon Web Services, Cloud Computing Architecture, Solution Architecture, Containerization, Data Migration, Cloud Deployment, Data Pipelines, Cloud Solutions, Data Processing
Intermediate · Course · 1 - 4 Weeks
Cisco Learning and Certifications
Skills you'll gain: Routing Protocols, Open Shortest Path First (OSPF), Virtual Private Networks (VPN), Wide Area Networks, Network Architecture, Network Troubleshooting, TCP/IP, Network Planning And Design, Network Administration, Network Monitoring, System Configuration, Continuous Monitoring, Configuration Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Active Directory, Windows Servers, Firewall, Google Cloud Platform, Virtual Networking, Virtual Machines, Servers, System Testing, Network Security, SQL
Advanced · Project · Less Than 2 Hours