Unit testing courses can help you learn the principles of test-driven development, writing effective test cases, and debugging techniques. You can build skills in identifying edge cases, ensuring code coverage, and automating tests to streamline workflows. Many courses introduce tools such as JUnit, NUnit, and pytest, that support implementing unit tests in various programming languages, allowing you to apply your skills in real coding environments.

Skills you'll gain: User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, User Centered Design, UI/UX Research, Storytelling, Usability Testing, Prototyping, Mockups, Wireframing, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Cloud Hosting, Front-End Web Development, React.js, Javascript, Web Development Tools, Full-Stack Web Development, Web Applications, Cloud Security, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Animation and Game Design, Video Game Development, 3D Assets, Game Design, Development Testing, Artificial Intelligence, User Interface (UI), Performance Tuning
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Inference, Sampling (Statistics), Statistical Reporting, Statistical Methods, Probability & Statistics, Statistical Analysis, Experimentation, Data Analysis, Data Presentation, Estimation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Server Side, Restful API, Apache, Full-Stack Web Development, API Design, Node.JS, Web Servers, Postman API Platform, Authentications, Application Servers, Application Programming Interface (API), Web Applications, Back-End Web Development, Secure Coding, Web Development Tools, API Testing, Web Development, Javascript, JSON, PHP (Scripting Language)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Exploitation techniques, Cyber Security Assessment, Vulnerability Assessments, Mobile Security, Open Web Application Security Project (OWASP), Cloud Security, Threat Modeling, Infrastructure Security, Application Security, Network Security, Scripting, Technical Communication
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Database Management, Data Migration, Apache Cassandra, Docker (Software), Databases, Operational Databases, Database Application, Application Deployment, Data Import/Export
Beginner · Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Cloud Security, AWS Identity and Access Management (IAM), Identity and Access Management, Incident Response, Computer Security Incident Management, Cloud Computing, Network Security, Data Security, Cloud Platforms, Cloud Computing Architecture, Application Security, Cloud Services, Encryption, Firewall, Virtual Networking, Security Controls, Continuous Monitoring
Build toward a degree
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Load Balancing, Google Cloud Platform, Infrastructure As A Service (IaaS), Firewall, Cloud Infrastructure, Performance Testing, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Network Security, Back-End Web Development, Front-End Web Development
Intermediate · Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Amazon S3, Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Storage, Serverless Computing, Scalability, File Systems
Mixed · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Regression Analysis, Correlation Analysis, Statistical Software, Statistical Analysis, Statistical Methods, Probability & Statistics, Quantitative Research, Data Analysis, Descriptive Statistics, Statistical Hypothesis Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Event-Driven Programming, Cloud Computing Architecture, Application Design, Application Programming Interface (API), Cloud Deployment, Solution Architecture, Microservices, Cloud Computing, Software Architecture, Virtual Machines, Cloud Infrastructure, Enterprise Architecture, Serverless Computing, Network Architecture, Hybrid Cloud Computing, Virtual Networking, Data Migration, Containerization
Advanced · Course · 1 - 3 Months