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.

Infosec
Skills you'll gain: Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Authorization (Computing), Authentications, Data Validation, Encryption, Security Software, Security Controls, Data Security, Vulnerability Scanning, Endpoint Security, Role-Based Access Control (RBAC), Intrusion Detection and Prevention, Database Application, Security Awareness, Cybersecurity, Configuration Management, Web Applications, Web Development Tools
Beginner · Specialization · 1 - 3 Months

JetBrains
Skills you'll gain: Object Oriented Design, File I/O, Data Structures, Python Programming, Programming Principles, Code Reusability, Computer Programming, Scripting, Data Processing, Package and Software Management, Code Review, Computational Logic, NumPy, Development Environment, Integrated Development Environments, Computational Thinking, Software Installation, Numerical Analysis
Beginner · Course · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Database Development, Relational Databases, SQL, Database Design, Database Management, Databases, Query Languages, Web Development, Web Applications, Data Access, Data Integrity, Information Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Migration, MySQL, Amazon Web Services, Data Import/Export, Google Cloud Platform, Data Access, Databases, Relational Databases
Advanced · Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Data Structures, File I/O, Debugging, Data Processing, Application Development, Code Reusability, Maintainability, File Management, File Systems, Programming Principles, Computer Programming, Python Programming, System Configuration, Operating Systems, Software Development, Virtual Machines, Cross Platform Development
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Jenkins, CI/CD, Build Tools, Apache Tomcat, Apache Maven, Docker (Software), Continuous Integration, Shell Script, Continuous Deployment, Application Deployment, Devops Tools, Unix Shell, Software Configuration Management, Application Servers, DevOps, Continuous Delivery, Containerization, Solution Delivery, Command-Line Interface, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Prompt Engineering, ChatGPT, LLM Application, Large Language Modeling, Matlab, AI Personalization, Generative AI, Debugging
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Pandas (Python Package), NumPy, Probability & Statistics, Unsupervised Learning, Applied Machine Learning, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Jupyter, Data Manipulation, Machine Learning Algorithms, Descriptive Statistics, Plot (Graphics), Data Processing, Data Visualization Software, Python Programming, Machine Learning
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Site Reliability Engineering, Infrastructure as Code (IaC), Google Cloud Platform, Dataflow, Application Deployment, Cloud Computing Architecture, Identity and Access Management, Cloud Infrastructure, Google App Engine, Kubernetes, Cloud Solutions, Cloud Services, Cloud Computing, Cloud Storage, Cloud Management, CI/CD, Cloud Security, Network Monitoring, Big Data, Load Balancing
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, Mobile Development, User Interface and User Experience (UI/UX) Design, React Native, Apple iOS, UI Components, Database Application, Android Development, iOS Development, Mobile Development Tools, Application Development, Databases, Cloud Applications, Database Software, Database Management, Database Management Systems, Flutter (Software), Application Design, Application Deployment, Back-End Web Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Visualization (Computer Graphics), Design Software, Software Installation, Functional Design, Technical Design, Design, Model Optimization, User Interface (UI), Data Import/Export
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Network Security, Network Monitoring, Exploitation techniques, Cybersecurity, Vulnerability Scanning, Cryptographic Protocols, Remote Access Systems, Network Protocols, Encryption, General Networking, Command-Line Interface, Network Analysis, Proxy Servers
Build toward a degree
Intermediate · Course · 1 - 3 Months