Number theory courses can help you learn prime numbers, divisibility rules, modular arithmetic, and integer properties. You can build skills in problem-solving, logical reasoning, and algorithmic thinking, that support tackling complex mathematical challenges. Many courses introduce tools like Python for implementing algorithms and mathematical software for exploring number patterns, enabling you to apply your knowledge in practical situations such as cryptography and coding theory.

Skills you'll gain: API Testing, Application Deployment, Integration Testing, Continuous Deployment, Microservices, Software Versioning, Continuous Integration, Test Automation, Application Programming Interface (API), CI/CD, Test Tools, Verification And Validation, Application Lifecycle Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), Restful API, Software Testing, Databases, Software Quality (SQA/SQC), JSON, Application Programming Interface (API), MongoDB, Full-Stack Web Development, Web Applications, NoSQL, Back-End Web Development, Python Programming, Maintainability, Application Deployment, Data Validation, Authentications
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Stored Procedure, Database Design, NoSQL, Database Architecture and Administration, SQL, Relational Databases, Cloud Applications, PostgreSQL, Database Systems, Database Theory, Data Store, Data Modeling, Databases, JSON, Application Deployment, Cloud Deployment, Distributed Computing, Database Management, Text Mining, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

CertNexus
Skills you'll gain: Computer Security Awareness Training, Cybersecurity, Security Awareness, Mobile Security, Generative AI, Cyber Security Policies, Human Factors (Security), Computer Security, Email Security, Data Security, Safety and Security, Data Ethics, Cloud Security, Law, Regulation, and Compliance, Artificial Intelligence, Regulatory Compliance, Prompt Engineering, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Regulation and Legal Compliance, Ethical Standards And Conduct
Mixed · Course · 1 - 3 Months

Skills you'll gain: Scripting, Email Automation, Google Workspace, Google Sheets, Automation, Spreadsheet Software, Gmail, Javascript, Hypertext Markup Language (HTML), Web Applications, Application Design, Application Development, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Model Evaluation, Model Deployment, Decision Tree Learning, Data Preprocessing, Classification Algorithms, Predictive Modeling, Random Forest Algorithm, Applied Machine Learning, Java, Program Evaluation, Machine Learning, Feature Engineering, Algorithms, Program Implementation, Business Development
Advanced · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Sustainable Development, Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainability Reporting, Social Impact, Business Ethics, Environmental Issue, Systems Thinking, Strategic Partnership, Entrepreneurship, Innovation, Collaboration, Climate Change Mitigation, Complex Problem Solving
Beginner · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Data Synthesis, Data Integration, Data Literacy, Data Storytelling, Analysis, Case Studies, Business Analytics, Advanced Analytics, Analytical Skills, Strategic Decision-Making, Business Metrics, Forecasting, Media and Communications, Statistics, Persuasive Communication, Databases, Database Design, Innovation
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java Programming, Java, Object Oriented Design, Software Design, Algorithms, Theoretical Computer Science, Maintainability, Object Oriented Programming (OOP), Network Routing, Computational Thinking, Application Development
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Web Analytics, Customer Engagement, Technical Communication, Campaign Management, Analysis, Strategic Marketing, Performance Metric, Business Metrics, Data-Driven Decision-Making, Descriptive Analytics, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Governance, General Data Protection Regulation (GDPR), Data Management, Data Strategy, Metadata Management, Data Architecture, Compliance Management, Data Storage Technologies, Data Integration, Cost Reduction, Data Maintenance, Data Processing, Information Privacy, Data Storage, MLOps (Machine Learning Operations), Data Quality, AI Enablement, Analytics, Extract, Transform, Load, Expense Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Data Visualization, Performance Tuning
Intermediate · Course · 1 - 4 Weeks