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.

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Dashboard Creation, Data Governance, Digital Transformation, Data Modeling, Pivot Tables And Charts, Real Time Data, Google Cloud Platform, Dataflow, Information Management, Business Transformation, Data Storage, Data Management, Data Presentation, Cloud Storage, Data Transformation, Statistical Reporting, Performance Tuning, SQL
★ 4.1 (14) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Statistical Analysis, Statistical Methods, Matplotlib, Regression Analysis, Statistical Modeling, Data Science, Data Analysis, Data Visualization, Pandas (Python Package), Anomaly Detection, Plot (Graphics), Data Visualization Software, Statistical Visualization, Data Integration, Data Collection, Data Access, Data Manipulation, Application Programming Interface (API)
★ 4 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization, Plot (Graphics), Scientific Visualization, Statistical Visualization, Data Visualization Software, Box Plots, Storytelling, Image Quality, Python Programming, Design, Software Installation
★ 4.3 (16) · Mixed · Course · 1 - 4 Weeks

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

University of California San Diego
Skills you'll gain: Debugging, Diversity Awareness, Computational Thinking, Digital pedagogy, Education Software and Technology, Event-Driven Programming, Programming Principles, Program Development, Animation and Game Design, Computer Programming, Brainstorming
★ 4.8 (8) · Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Machine Learning Methods, Supervised Learning, Machine Learning, Applied Machine Learning, AI Personalization, Machine Learning Algorithms, Learning Management Systems, Digital pedagogy, Artificial Intelligence, AI literacy, Data Mining, Learning Theory, Human Computer Interaction
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Computational Thinking, Theoretical Computer Science, Memory Management, Software Visualization, Performance Tuning
★ 4.6 (7) · Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Tableau Software, Business Intelligence, Dashboard, Business Intelligence Software, Dashboard Creation, Technical Analysis, Plot (Graphics), Market Data, Statistical Visualization, Investment Banking, Tree Maps, Interactive Data Visualization, Data Visualization Software, Market Analysis, Data Analysis, SQL
★ 4.8 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Customer experience strategy (CX), Responsible AI, Customer Analysis, Customer experience improvement, Personalized Campaigns, Customer Engagement, Predictive Analytics, Customer Service, Google Gemini, Customer Insights, Agentic Workflows, Driving engagement, LLM Application, Brand Loyalty, Generative AI Agents, Data-Driven Decision-Making, Artificial Intelligence, Generative AI
★ 4.3 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Apache Spark, Data Pipelines, PySpark, Apache Hadoop, Data Engineering, Data Transformation, MySQL, MySQL Workbench, Data Processing, Data Store, SQL, Data Import/Export, Exploratory Data Analysis, Development Environment, Data Analysis, Software Installation
★ 4.3 (23) · Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: C and C++, Exploit development, C (Programming Language), Security Testing, C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments, Interoperability, White-Box Testing
★ 2.7 (7) · Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Security Engineering, Interoperability, Unix, Embedded Software, Information Systems Security, OS Process Management, Embedded Systems, Operating Systems, Data Security, Memory Management, Authorization (Computing), Linux
★ 3.9 (11) · Mixed · Course · 1 - 4 Weeks