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.

Universidad de los Andes
Skills you'll gain: IT Security Architecture, Computer Security Incident Management, Network Security, Incident Response, Cryptography, Digital Forensics, Security Requirements Analysis, Penetration Testing, Incident Management, Human Factors (Security), Threat Detection, Cloud Security, Vulnerability Assessments, Cyber Attacks, Encryption, Cybersecurity, Exploitation techniques, Vulnerability Management, Data Security, Security Management
★ 4.7 (568) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Design, Digital Design, Design and Product, Design Elements And Principles, Product Design, Creative Design, Design Software, Graphic and Visual Design Software, Layout Design, Digital Assets, Intellectual Property, Web Analytics, Sales Enablement, Graphic Design, Journals, Marketing, Business Development
★ 4.5 (444) · Intermediate · Guided Project · Less Than 2 Hours

Google Quantum AI
Skills you'll gain: Quantum computing, Emerging Technologies, Hardware Architecture, Mathematical Software, Failure Analysis, Computer Programming Tools, Simulation and Simulation Software, Theoretical Computer Science, Mathematical Modeling, Estimation, Simulations
★ 4.6 (219) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: OS Process Management, Operating Systems, C (Programming Language), Memory Management, System Programming, Virtualization, System Software, Virtualization and Virtual Machines, C and C++, Programming Principles, Application Programming Interface (API)
★ 4.5 (185) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Customer Success Management, Salesforce, Dashboard, Sales Operations, Service Management, Customer Relationship Management, Customer Relationship Management (CRM) Software, Sales Support, Data Visualization, Customer Support, Sales Management, Customer and Client Support, Customer Service, Inside Sales, Data Storytelling, Performance Reporting, Business Reporting, Data-Driven Decision-Making
★ 4.7 (279) · Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Time Series Analysis and Forecasting, Model Evaluation, Simulations, Operations Research, Probability Distribution, Mathematical Modeling, Supply Chain Planning, Supply Chain, Probability, Predictive Modeling, Statistical Methods, Data Preprocessing, Transportation, Supply Chain, and Logistics, Business Modeling, Simulation and Simulation Software, Model Training, Business Analytics, Workforce Management, Analytics, Predictive Analytics
★ 4.7 (308) · Beginner · Specialization · 3 - 6 Months

Northwestern University
Skills you'll gain: Robotics, Mathematical Modeling, Mathematical Software, Applied Mathematics, Mechanics, Simulation and Simulation Software, Engineering, Virtual Environment, Torque (Physics), Numerical Analysis
★ 4.9 (300) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Bioinformatics, R (Software), Data Analysis Software, Big Data, R Programming, Statistical Programming, Statistical Software, Statistical Analysis, Data Preprocessing, Data Processing, Data Manipulation, Data Structures, Software Installation, Data Import/Export, Data Access
★ 3.8 (388) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Data Analysis, Analytics, Exploratory Data Analysis, Data Manipulation, Jupyter, Data Processing, Data Wrangling, Matplotlib, Data Visualization, Programming Principles, Data Cleansing, Data Visualization Software, Python Programming
★ 4.3 (248) · Beginner · Course · 1 - 3 Months
STARWEAVER
Skills you'll gain: Open Web Application Security Project (OWASP), Security Testing, Cyber Security Strategy, Application Security, Vulnerability Scanning, Security Strategy, Penetration Testing, DevSecOps, Software Testing, Debugging, Cybersecurity, Vulnerability Assessments, Cyber Security Assessment, Secure Coding, Test Automation, Code Review, Vulnerability Management, Exploitation techniques, Technical Communication, Continuous Monitoring
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Literacy, Data Analysis, Applied Mathematics, Mathematical Modeling, Graphing, Trigonometry, R (Software), R Programming, General Mathematics, Data Modeling, Algebra, Systems Of Measurement, Mathematical Software, Correlation Analysis, Regression Analysis, Calculus, Business Mathematics, Geometry
★ 4.7 (330) · Beginner · Specialization · 3 - 6 Months

University of Geneva
Skills you'll gain: Patient Evaluation, Gerontology, Health Policy, Program Evaluation, Geriatrics, Public Health and Disease Prevention, Preventative Care, Prenatal Care, Epidemiology, Health Equity, Maternal Health, Health Disparities, Diagnostic Tests, Public Health, Health Education, Child Health, General Medical Tests and Procedures, Laboratory Testing, Primary Care, Healthcare Ethics
★ 4.6 (406) · Beginner · Course · 1 - 3 Months