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.

Peking University
Skills you'll gain: Grammar, Oral Comprehension, Language Competency, Literacy, Cultural Diversity, Language Learning, Vocabulary, Culture
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Advanced · Course · 1 - 3 Months

Infosec
Skills you'll gain: Penetration Testing, Cyber Security Policies, Linux Commands, Cyber Security Assessment, Command-Line Interface, Cybersecurity, Security Testing, Cloud Computing, Linux, Risk Management Framework, Network Monitoring, Security Management, Vulnerability Scanning, Operating Systems, Cyber Risk, Cloud Services, Exploitation techniques, General Networking, Cyber Governance, Cyber Security Strategy
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: User Experience, User Experience Design, User Story, Prototyping, Wireframing, User Interface and User Experience (UI/UX) Design, User Centered Design, Interactive Design, Ideation, Conceptual Design, Interaction Design, Persona (User Experience), User Interface (UI), Design, Usability Testing, Storyboarding, Mockups, Scenario Testing
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Core Data (Software), iOS Development, Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, Code Review, UI Components, Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Data Structures, Data Persistence, User Interface (UI), User Interface (UI) Design, Data Store, Application Development, Transaction Processing, Mobile Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Bayesian Statistics, Descriptive Statistics, Statistical Hypothesis Testing, Statistical Inference, Statistical Software, Sampling (Statistics), Data Modeling, Statistics, Probability & Statistics, Statistical Analysis, Statistical Methods, Statistical Modeling, Marketing Analytics, Tableau Software, Data Analysis, Spreadsheet Software, Analytics, Descriptive Analytics, Time Series Analysis and Forecasting, Regression Analysis
Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Materials science, Engineering, Scientific, and Technical Instruments, Analytical Chemistry, Analytical Testing, Laboratory Techniques, Chemistry, Manufacturing Processes, Laboratory Equipment, Laboratory Research, Laboratory Procedures, Chemical Engineering
Mixed · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Object Oriented Design, Rust (Programming Language), Object Oriented Programming (OOP), Software Design Patterns, Code Reusability, API Design, Python Programming, Verification And Validation, System Programming, Secure Coding, Performance Tuning, Performance Testing, Memory Management
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Human Factors (Security), Usability, Human Computer Interaction, Authentications, Security Engineering, Usability Testing, Interaction Design, User Interface (UI), Human Factors, Information Privacy, Cybersecurity, Personally Identifiable Information, User Interface (UI) Design, Multi-Factor Authentication, User Centered Design, Design
Mixed · Course · 1 - 3 Months

ConsenSys Academy
Skills you'll gain: Blockchain, Cryptography, Interoperability, Cryptographic Protocols, Encryption, Public Key Cryptography Standards (PKCS), FinTech, Emerging Technologies, Ledgers (Accounting), Distributed Computing, Case Studies, Digital Assets, Data Integrity, Transaction Processing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Operational Risk, Enterprise Risk Management (ERM), Risk Modeling, Risk Appetite, Governance Risk Management and Compliance, Risk Management Framework, Market Liquidity, Advanced Analytics, Credit Risk, Analytics, Risk Management, Financial Market, Finance, Derivatives, Investment Management, Performance Measurement, Analysis, Planning, Problem Solving, Time Management
Beginner · Specialization · 3 - 6 Months

Taipei Medical University
Skills you'll gain: Nephrology, Dialysis, Pharmacotherapy, Medication Therapy Management, Pharmacology, Drug Interaction, Chronic Diseases, Medication Administration, Urinalysis, Clinical Monitoring, Physiology, Patient Evaluation, Drug Development, Diagnostic Tests, Pharmaceutical Terminology, Patient Safety, Patient Education And Counseling, Epidemiology, Public Health
Intermediate · Course · 1 - 3 Months