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: Penetration Testing, Metasploit, Exploitation techniques, Cloud Security, Vulnerability Scanning, Cyber Security Assessment, Network Security, Application Security, Vulnerability Assessments, Cybersecurity, Mobile Security, Human Factors (Security), Network Analysis, Scripting, Virtual Machines, Linux, Technical Communication
Advanced · Course · 3 - 6 Months

Skills you'll gain: Data Storytelling, Rmarkdown, Knitr, Data Visualization, Data Validation, Statistical Hypothesis Testing, Data Presentation, Dashboard, Data Synthesis, Usability Testing, Regression Analysis, Power BI, A/B Testing, Data Transformation, Market Research, Statistical Analysis, R Programming, Business Intelligence, Microsoft Excel, Surveys
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Network Planning And Design, Network Security, Network Architecture, Computer Networking, Network Infrastructure, Network Performance Management, Wireless Networks, Graph Theory, Telecommunications, Software-Defined Networking, Algorithms, System Programming
Intermediate · Specialization · 3 - 6 Months
Logical Operations
Skills you'll gain: Security Management, Information Systems Security, IT Security Architecture, Identity and Access Management, Security Testing, Security Engineering, Application Security, Asset Protection, Risk Management Framework, Cybersecurity, Security Controls, Risk Management, Data Security, Network Security, Infrastructure Security, Threat Modeling, Cloud Security, Incident Response, Cryptography, Network Monitoring
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), AWS SageMaker, Software Documentation, Data Pipelines, Tensorflow, Model Evaluation, Apache Airflow, Systems Design, Cloud Computing Architecture, Transfer Learning, Unit Testing, Cloud Deployment, PyTorch (Machine Learning Library), API Design, Cloud Computing, Network Architecture, Deep Learning, Python Programming, Data Validation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Statistical Hypothesis Testing, A/B Testing, Data-Driven Decision-Making, Customer Analysis, Statistical Methods, Market Research, Statistical Analysis, Business Analytics, Probability & Statistics, Statistical Inference, Data Analysis, Descriptive Statistics, Microsoft Excel, Data Analysis Software, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Unit Testing, Angular, Software Testing, Frontend Performance, Software Architecture, Software Design, Application Programming Interface (API), Restful API, Performance Tuning, Authentications, Authorization (Computing), Scalability, TypeScript
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java, Java Programming, Programming Principles, Data Structures, Computer Programming, Object Oriented Programming (OOP), Development Environment, Debugging
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Inference, Statistical Methods, Probability & Statistics, Statistics, Statistical Modeling, Probability, Probability Distribution, Data Analysis, R Programming, Regression Analysis, R (Software), Microsoft Excel, Analytical Skills, Statistical Visualization, Predictive Modeling, Data Visualization, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Paid media, Target Audience, Data Storytelling, Social Media Marketing, Social Media Strategy, Content Creation, Search Engine Optimization, Marketing Budgets, Order Fulfillment, Media Planning, Search Engine Marketing, Google Ads, Social Media Management, Customer Retention, Customer Relationship Management, E-Commerce, Performance marketing, Email Automation, Marketing
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Shell Script, Bash (Scripting Language), Unix Shell, Package and Software Management, Command-Line Interface, Docker (Software), Software Installation, Remote Access Systems, Linux Commands, OS Process Management, Linux, User Accounts, Containerization, Linux Servers, System Configuration, Linux Administration, File Management, Software Development, Git (Version Control System)
Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Validation, Data Quality, Database Design, SQL, Data Integrity, Verification And Validation, Unit Testing
Advanced · Course · 1 - 4 Weeks