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: Cryptography, Object Oriented Programming (OOP), File I/O, Encryption, Data Structures, Software Development, Data Visualization, Model Evaluation, Automation, Machine Learning Algorithms, Classification Algorithms, Data Preprocessing, Public Key Cryptography Standards (PKCS), Databases, Python Programming, Natural Language Processing, Algorithms, Key Management, Software Installation, Data Validation
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Engineering Design Process, Engineering Analysis, Mechanical Design, Simulation and Simulation Software, Structural Analysis, Mechanical Engineering, Numerical Analysis, Finite Element Methods, Materials science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Network Security, Vulnerability Scanning, Wireless Networks, Cybersecurity, Exploitation techniques, Linux, Command-Line Interface, Network Analysis, Encryption, Virtual Private Networks (VPN), System Configuration, Software Installation, File Management, Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Team Building, Collaborative Software, Canva (Software), Team Management, Design, User Accounts, Design Software, Content Creation, Marketing
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Color Theory, Graphic Design, Typography, User Experience Design, Graphic and Visual Design Software, Design, Digital Design, Design Elements And Principles, Web Design and Development, Adobe Photoshop, Image Quality
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, SAS (Software), Database Management, Query Languages, Data Access, Statistical Programming, Data Presentation, Data Manipulation, Data Integration, Data Processing
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Advanced Encryption Standard (AES), Cryptography, Encryption, Brute-force attacks, Algorithms
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Database Management, Query Languages, Data Integrity, Performance Tuning, Data Structures
Beginner · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Software Design Patterns, Software Architecture, Maintainability, Software Design, Systems Architecture, Object Oriented Programming (OOP), Application Frameworks, Solution Architecture, Software Engineering, Programming Principles
Advanced · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Survey Creation, Data Literacy, Data Visualization, Data Analysis, Peer Review, Research Design, Statistics, Sampling (Statistics), Regression Analysis, Descriptive Statistics, Research, Probability, Quantitative Research, Analytics, Probability Distribution, Analysis, Logistic Regression, Report Writing, Correlation Analysis, Statistical Hypothesis Testing
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Applied Machine Learning, Jupyter, Machine Learning Algorithms, Model Evaluation, Machine Learning, Predictive Modeling, Data Science, Python Programming, Predictive Analytics, Data Analysis, Technical Communication
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Office, Microsoft Outlook, Presentations, Microsoft 365, Microsoft PowerPoint, Microsoft Power Automate/Flow, Productivity Software, Microsoft Word, Prioritization, Organizational Skills, Calendar Management, Document Management, Microsoft Excel, User Accounts
Beginner · Guided Project · Less Than 2 Hours