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.

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Spring Boot, Configuration Management, Containerization, Scalability, Software Documentation, Cloud Deployment, Java, API Design, Spring Framework, Amazon Elastic Compute Cloud, API Gateway, Back-End Web Development, JUnit, Java Programming, Application Deployment, Application Programming Interface (API), React.js
Intermediate · Specialization · 1 - 3 Months

KodeKloud
Skills you'll gain: Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Infrastructure, AWS Identity and Access Management (IAM), Cloud Security, Public Cloud, Cloud Computing, Cloud Management, Amazon S3, Cloud Storage, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Shop Drawing, Construction, Structural Engineering, Building Codes, Architectural Drawing, Construction Inspection, Building Design, Construction Engineering, Structural Analysis, Manufacturing Processes, Architectural Engineering, Construction Management, Civil Engineering, Engineering Tolerance, Engineering Practices, Engineering Software, Engineering Design Process, Engineering Calculations, Engineering Analysis, Product Testing
Advanced · Specialization · 3 - 6 Months

Tecnológico de Monterrey
Skills you'll gain: Brand Strategy, Branding, Brand Management, Brand Awareness, Brand Loyalty, Strategic Marketing, Strategic Partnership, Organizational Strategy, Business Strategy, Marketing Strategies, Customer experience improvement, Growth Strategies, Strategic Communication, Market Share, New Business Development, Consumer Behaviour, User Experience, Product Lifecycle Management, Competitive Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Cloud Applications, Event-Driven Programming, Front-End Web Development, Python Programming, Database Management, Restful API, SQL, API Design, Databases
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Development, Serverless Computing, Google Cloud Platform, Cloud Applications, Cloud Services, Application Development, Containerization, Cloud Security, Application Deployment, Identity and Access Management, Integration Testing, Scalability
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Performance Tuning, Web Development, Web Services, Web Applications, Object Oriented Design, Software Architecture, Microservices, Network Security, Data Structures
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Process Capability, Statistical Process Controls, R (Software), Statistical Analysis, Data Analysis Software, R Programming, Quality Control, Quality Improvement, Statistical Methods, Process Analysis, Data Transformation, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Microbiology, Epidemiology, Public Health, Infectious Diseases, Investigation, Environment, Environmental Monitoring, Laboratory Testing, Anthropology, Diagnostic Tests, Qualitative Research, Data Collection
Mixed · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, IT Security Architecture, Network Security, Internet Of Things, Threat Detection, Cloud Security, Security Engineering, Infrastructure Security, Vulnerability Management, Identity and Access Management, Information Systems Security, Encryption, Incident Response, Threat Management, Cybersecurity, Security Strategy, Security Controls, Penetration Testing, Vulnerability Assessments, Cloud Solutions
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: OAuth, Microservices, Spring Boot, Containerization, Apache Kafka, Software Testing, Data Store, Docker (Software), Kubernetes, Unit Testing, Authentications, Integration Testing, Software Architecture, Security Testing, Event-Driven Programming, Restful API, Software Design Patterns, Java Programming, Role-Based Access Control (RBAC), Java
Intermediate · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, Large Language Modeling, Generative AI, ChatGPT, Prompt Engineering, File Management, Application Programming Interface (API), Embeddings, Classification Algorithms, Application Development, Transfer Learning, Python Programming
Beginner · Course · 1 - 4 Weeks