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: HTML and CSS, Cascading Style Sheets (CSS), Layout Design, Bootstrap (Front-End Framework), Web Design, Front-End Web Development, Web Development, Visual Design, Browser Compatibility, Typography, User Interface (UI), Scalability, Web Content Accessibility Guidelines, Development Environment, Visual Basic (Programming Language), Semantic Web, Software Engineering Tools, Debugging, Development Testing, Building Codes
Beginner · Course · 1 - 4 Weeks
University of Alberta
Skills you'll gain: Requirements Analysis, Requirements Elicitation, Functional Requirement, Backlogs, User Requirements Documents, Change Control, User Story, System Requirements, Acceptance Testing, Agile Methodology, Agile Software Development
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Patient Safety, Design Thinking, Change Management, Institutional Review Board (IRB), Organizational Change, Conflict Management, Data Literacy, Performance Measurement, Systems Thinking, Healthcare Project Management, Data Visualization, Change Control, Solution Design, Health Systems, Data Analysis, Corrective and Preventive Action (CAPA), Risk Analysis, Data Presentation, Safety Assurance, Quality Improvement
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Generative AI Agents, Prompt Engineering, Agentic systems, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Artificial Intelligence, AI Security, Model Deployment, Large Language Modeling, Application Deployment, Development Environment, Security Testing, Responsible AI, Virtual Environment, Software Development, Python Programming, Software Testing, Microsoft Visual Studio, Computer Programming, Software Design
Intermediate · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Information Architecture, Persona (User Experience), UI/UX Strategy, User Experience Design, Web Design, User Interface and User Experience (UI/UX) Design, User Experience, Wireframing, User Interface (UI), User Research, UI/UX Research, Web Design and Development, User Centered Design, Design Strategies, Persona Development, Design Research, Mockups, Usability Testing, Software Development Methodologies, Target Audience
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Forensics, Penetration Testing, Network Security, Threat Management, Mobile Security, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Public Key Infrastructure, Vulnerability Assessments, Security Testing, Cryptography, Security Controls, Cryptographic Protocols, Cyber Security Assessment, Cybersecurity, Authorization (Computing), Cloud Computing, Malware Protection, Cyber Attacks, Data Integrity
Beginner · Specialization · 3 - 6 Months

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Test Driven Development (TDD), Unit Testing, JUnit, Program Development, Test Case, Test Automation, Software Testing, Testability, Maintainability, Software Design, Software Development, Object Oriented Design, Application Design, Programming Principles
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Statistical Inference, Portfolio Risk, Statistical Methods, Pandas (Python Package), Statistical Hypothesis Testing, Probability & Statistics, Risk Analysis, Financial Trading, Financial Data, Data Manipulation, Statistical Analysis, Feature Engineering, Regression Analysis, Financial Analysis, Jupyter, Market Data, Predictive Modeling, Financial Modeling, Python Programming, Data Visualization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Analytics, Time Series Analysis and Forecasting, Retrieval-Augmented Generation, AI Personalization, Feature Engineering, Personalized Service, Customer Insights, Generative AI, Data-Driven Marketing, Customer Analysis, Key Performance Indicators (KPIs), Data Transformation, Generative Model Architectures, Customer Engagement, Marketing Strategies, Generative Adversarial Networks (GANs), Predictive Modeling, Responsible AI, Predictive Analytics, Trend Analysis
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Theoretical Computer Science, Algorithms, Graph Theory, Data Structures, Operations Research, Quantum computing, Public Key Cryptography Standards (PKCS), Cryptography, Programming Principles, Computational Thinking, Design Strategies, Cryptographic Protocols, Tree Maps, Encryption, Network Model, Combinatorics, Data Science, Computer Science, Mathematical Modeling, Python Programming
Build toward a degree
Advanced · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: User Provisioning, User Accounts, Google Workspace, Identity and Access Management, System Configuration, Configuration Management, Security Management, Security Controls
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), SonarQube, Threat Modeling, Secure Coding, Application Security, Security Testing, DevSecOps, Code Review, Maintainability, Vulnerability Scanning, Software Quality (SQA/SQC), Risk Mitigation, Software Quality Assurance, MITRE ATT&CK Framework, Vulnerability Assessments, Cyber Security Assessment, Software Technical Review, Continuous Integration, Vulnerability Management, Cyber Attacks
Intermediate · Specialization · 1 - 3 Months