Mobile app development courses can help you learn programming languages like Java and Swift, user interface design principles, and app testing strategies. You can build skills in integrating APIs, optimizing performance, and ensuring security in mobile applications. Many courses introduce tools such as Android Studio and Xcode, that support building and deploying apps on various platforms, along with frameworks like React Native that facilitate cross-platform development.

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Vulnerability Assessments, Human Factors (Security), Information Systems Security, Data Persistence
★ 4.2 (37) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Microservices, DevOps
★ 4.2 (54) · Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: A/B Testing, Content Performance Analysis, Content Scheduling, Marketing Analytics, Business Intelligence, Performance marketing, Key Performance Indicators (KPIs), Campaign Management, Brand Marketing, Social Media Management, Customer Relationship Management (CRM) Software, Digital Marketing, Marketing Automation, Content Optimization, Email Marketing, Value Propositions, Data-Driven Marketing, Web Analytics, Brand Management, Content Strategy
Beginner · Professional Certificate · 3 - 6 Months

Dartmouth College
Skills you'll gain: Social Justice, Energy and Utilities, Social Impact, Sustainable Development, Social Sciences, Environmental Issue, Socioeconomics, Community Organizing, Community Development, Diversity Equity and Inclusion Initiatives, Systems Thinking, Diversity Awareness, Advocacy, Environmental Policy, Policy Analysis, Climate Change Mitigation
★ 4.8 (33) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software), JSON
★ 4.4 (68) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: MLOps (Machine Learning Operations), Continuous Delivery, Applied Machine Learning, Cloud Engineering, Google Cloud Platform, Model Deployment, Cloud Applications, Cloud API, Cloud Deployment, Machine Learning, Microsoft Azure, Model Training, AI Workflows, Software Engineering, Computer Vision, Application Programming Interface (API)
★ 4.5 (96) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Infrastructure as Code (IaC), Devops Tools, YAML, IT Automation, Docker (Software), Containerization, Amazon Elastic Compute Cloud, Data Security, Encryption, Python Programming, Performance Tuning, Configuration Management
★ 4.6 (18) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Generative AI Agents, Responsible AI, Google Gemini, Retrieval-Augmented Generation, Generative AI, Gemini, Generative Model Architectures, Prompt Patterns, Google Workspace, AI Product Strategy, AI Security, AI Workflows, Google Cloud Platform, Large Language Modeling, Agentic systems, Customer experience improvement, Artificial Intelligence, Cloud Computing, Collaboration
★ 4.7 (10) · Beginner · Specialization · 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Maternal Health, Child Health, Epidemiology, Public Health, Crisis Intervention, Public Health and Disease Prevention, Postpartum Care, Mental Health Diseases and Disorders, Infectious Diseases, Health Care Procedure and Regulation, Surveys, Community Health, Psychosocial Assessments, Health Disparities, Mental and Behavioral Health Specialties, Sanitation, Emergency Response, Infant Care, Ethical Standards And Conduct, Nutrition Education
★ 4.7 (144) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, UI Components, Animations, Mockups, Front-End Web Development, Typography, Web Development
★ 5 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Software Architecture, .NET Framework, Object Oriented Design, Distributed Computing, Scalability, Object Oriented Programming (OOP), Software Design, Object-Relational Mapping, Microservices, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL, Event-Driven Programming
★ 4.5 (103) · Intermediate · Course · 1 - 4 Weeks

Zoho Corporation
Skills you'll gain: Customer Relationship Management (CRM) Software, Customer Relationship Management, Sales Process, Business Software, Sales Enablement, Sales Pipelines, Sales Management, Sales, Sales Strategy, Automation, Business Process Automation
Beginner · Course · 1 - 3 Months