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.

Johns Hopkins University
Skills you'll gain: Rmarkdown, Tidyverse (R Package), Ggplot2, Spatial Data Analysis, Data Visualization Software, Plot (Graphics), Data Visualization, Statistical Visualization, Spatial Analysis, Geospatial Information and Technology, Data Manipulation, Scatter Plots, R (Software), Plotly, Interactive Data Visualization, R Programming, Geospatial Mapping, Statistical Reporting, Data Wrangling, Graphing
★ 4.9 (81) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, CI/CD, Model View Controller, ASP.NET, Cloud Infrastructure, Continuous Deployment, Load Balancing, OAuth, Continuous Integration, Continuous Delivery, Cloud Computing, Cloud Applications, Cloud Deployment, Application Deployment, Cloud Computing Architecture, API Design, Web Applications, Web Development, .NET Framework, Microservices
★ 4.9 (172) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Tensorflow, Convolutional Neural Networks, Applied Machine Learning, Image Analysis, Python Programming, Jupyter, Artificial Neural Networks, Deep Learning, Software Visualization, Machine Learning
★ 4.4 (84) · Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Stakeholder Engagement, Business Analysis, Stakeholder Management, Business Systems Analysis, Business Intelligence, Business Analysis Tools, Business Process, Business Planning, Stakeholder Analysis, Business Process Modeling, Process Management, Stakeholder Communications, Business Process Management, Requirements Elicitation, Enterprise Architecture, Business Analytics, Drive Engagement, Planning, Governance, Adaptability
★ 4.7 (100) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Software Architecture, .NET Framework, Object Oriented Design, Distributed Computing, Scalability, Object Oriented Programming (OOP), Software Design, Object-Relational Mapping, Microservices, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL, Event-Driven Programming
★ 4.5 (103) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Vulnerability Assessments, Human Factors (Security), Information Systems Security, Data Persistence
★ 4.2 (37) · Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Predictive Modeling, Predictive Analytics, Regression Analysis, Decision Tree Learning, Supervised Learning, Logistic Regression, Descriptive Analytics, Model Training, Machine Learning, Model Evaluation, Classification Algorithms, Unsupervised Learning
★ 4.5 (75) · Intermediate · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Programming Principles, Database Management Systems, System Design and Implementation, Theoretical Computer Science, Computer Programming, Computer Science
★ 2.9 (40) · Intermediate · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Simulations, Probability Distribution, Probability, Statistical Methods, Simulation and Simulation Software, Probability & Statistics, Statistics, Business Mathematics, Microsoft Excel, Excel Formulas, Complex Problem Solving, Excel Macros, Business Modeling, Risk Modeling, Predictive Modeling, Analysis
★ 4.5 (68) · Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Data Presentation, Data Visualization Software, Interactive Data Visualization, Health Informatics, Digital Analysis, Tableau Software, Model Evaluation, Information Management, Analytics, Health Technology, Data Management, Science and Research, Clinical Trials, Statistical Analysis
★ 4.8 (71) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Advanced Mathematics, Mathematical Theory & Analysis, Applied Mathematics, Numerical Analysis, Mathematical Modeling, Mathematical Software, Exploratory Data Analysis
★ 4.9 (62) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Spring Boot, Database Management, Database Systems, Data Access, Restful API, Web Services, Data Management
★ 3.9 (47) · Intermediate · Course · 1 - 4 Weeks