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.

University of Colorado Boulder
Skills you'll gain: Agile Methodology, Scrum (Software Development), Embedded Software, Embedded Systems, System Programming, Agile Software Development, Linux, Software Testing, Development Testing, Linux Administration, Software Development Methodologies, Agile Project Management, Git (Version Control System), Docker (Software), Containerization, System Software, Electrical and Computer Engineering, File Systems, Shell Script, Debugging
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Containerization, Package and Software Management, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Scripting, Test Script Development, Development Testing, Devops Tools, Test Automation, IT Automation, Scripting Languages, Integration Testing, DevOps, Software Development Tools, Python Programming, Web Scraping
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Cybersecurity, Security Testing, Network Security, Cyber Attacks, Cloud Infrastructure, Application Security, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Threat Hunting, Computer Security, Cryptography, Cyber Security Policies, Distributed Denial-Of-Service (DDoS) Attacks, Security Controls, Security Awareness, Security Strategy, Cyber Risk
Beginner · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Cloud Computing, Cloud Security, Cloud Hosting, Amazon Web Services, Cloud Infrastructure, Cloud Computing Architecture, Cloud Solutions, Cloud Services, Amazon S3, Distributed Computing, Amazon Elastic Compute Cloud, Cloud Management, Capacity Management, Cloud Deployment, Infrastructure As A Service (IaaS), Virtualization, Cloud Storage, Software As A Service, Virtualization and Virtual Machines, AWS Identity and Access Management (IAM)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Osmosis
Skills you'll gain: Infectious Diseases, Infection Control, Public Health, Public Health and Disease Prevention, Epidemiology, Hand Hygiene, Diagnostic Tests, Healthcare Industry Knowledge, Health Care, Critical Care, Personal protective equipment, Patient Evaluation, Maternal Health, Clinical Practices, Community Health, Mitigation, Child Health, Laboratory Testing
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Immunology, Public Health, Anatomy, Molecular Biology, Molecular, Cellular, and Microbiology, Infectious Diseases, Life Sciences, Medical Terminology, Cell Biology, Biochemistry
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Migration, Data Storytelling, Data Strategy, Google Cloud Platform, Data Governance, Database Management, Technology Roadmaps, Cloud Solutions, Business Analysis, Enterprise Architecture, Databases, Plan Execution, Business Priorities, Milestones (Project Management), Dependency Analysis, Strategic Prioritization, Risk Mitigation, Cost Estimation
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Blockchain, Loans, Lending and Underwriting, FinTech, Payment Systems, Cyber Risk, Operational Risk, Scalability, Regulatory Compliance, Interoperability, General Lending, Risk Management, Financial Inclusion, Financial Regulation, Legal Risk, Derivatives, Key Management, Finance, Entrepreneurial Finance, Entrepreneurship
Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Software Design Patterns, Software Design, Software Engineering, Application Security, Object Oriented Design, Software Architecture, Software Quality (SQA/SQC), Threat Modeling, Maintainability, Code Coverage, Application Deployment, Continuous Deployment, Continuous Delivery, Software Testing, Continuous Integration, CI/CD, Test Driven Development (TDD), Software Documentation, Build Tools, Technical Documentation
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Environmental Regulations, Environmental Laws, Laboratory Testing, Public Health, Pharmacology, Environmental Monitoring, Environmental Science, Health Assessment, Public Health and Disease Prevention, Epidemiology, Law, Regulation, and Compliance, Environmental Policy, Analytical Chemistry, Case Studies, Peer Review, Chronic Diseases, Risk Analysis
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: AI Orchestration, Agentic Workflows, AI Workflows, Generative AI Agents, Tool Calling, Agentic systems, Model Deployment, AI Integrations, Enterprise Architecture, Prompt Engineering Tools, Context Engineering, Artificial Intelligence, Context Management, Prompt Engineering, Prompt Patterns, Debugging, Verification And Validation, Retrieval-Augmented Generation, Large Language Modeling, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Docker (Software), Microservices, Version Control, Git (Version Control System), Development Environment, Application Deployment, Software Architecture, Application Programming Interface (API), Virtual Networking, Nginx, Frontend Integration, System Configuration, Computer Networking, Data Persistence
Beginner · Course · 1 - 4 Weeks