Android app development courses can help you learn Java and Kotlin programming, user interface design, and mobile app architecture. You can build skills in debugging, performance optimization, and integrating APIs for enhanced functionality. Many courses introduce tools like Android Studio for coding, Firebase for backend services, and Git for version control, allowing you to effectively manage your projects and collaborate with others.

Skills you'll gain: Metasploit, Exploit development, OSI Models, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), TCP/IP, Cybersecurity, Vulnerability Scanning, Cyber Operations, Malware Protection, Network Protocols, Security Testing, Cyber Attacks, Wireless Networks, Application Security, Cyber Security Assessment, Network Monitoring, Linux, Object Oriented Programming (OOP)
★ 4.7 (25) · Intermediate · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Generative AI, Software Development Tools, ChatGPT, LLM Application, Software Development Life Cycle, AI Integrations, Application Development, AI Workflows, Application Design, Software Development Methodologies, Code Review
★ 3.6 (8) · Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Climate Change Programs, Climate Change Mitigation, Climate Change Adaptation, Environmental Issue, Social Impact, Sustainable Development, Mitigation, Environmental Policy, Sustainable Systems, Environment, Social Justice, Sustainable Business, Environmental Science, Community Outreach, Advocacy
★ 4.7 (30) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Copilot, Sales Enablement, Customer Engagement, Sales Strategy, Taking Meeting Minutes, Customer Relationship Building, Productivity Software, Meeting Facilitation, Generative AI Agents, Sales Development, AI Personalization, Email Automation, Business Writing, General Sales Practices, Business Correspondence, AI Enablement, Prompt Engineering, AI Integrations, Proposal Development
★ 4.4 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Frontend Integration, Spring Boot, Restful API, Data Persistence, Web Services, Software Testing, Java Programming, Object-Relational Mapping, Java, Back-End Web Development, Secure Coding, Authentications, Data Modeling, Business Logic
★ 4.7 (27) · Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Frameworks, Restful API, Application Programming Interface (API), API Testing, Application Deployment, Software Documentation, Package and Software Management, JSON, Server Side, Python Programming, Data Validation
★ 2.5 (31) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Version Control, Test Script Development, Software Versioning, Continuous Integration, File I/O, Test Tools, Continuous Delivery, Functional Testing, Automation, Scripting, UI Components, Code Reusability, Hypertext Markup Language (HTML), Software Design Patterns, Development Environment, Integrated Development Environments, Command-Line Interface, Package and Software Management
★ 4.6 (24) · Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Application Programming Interface (API), Code Reusability, Software Design Patterns, Data Management, Data Structures, Web Development, Computational Logic, Programming Principles, Data Import/Export, Software Development, Software Engineering, Performance Tuning
★ 4.6 (18) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: ChatGPT, OpenAI API, LLM Application, Prompt Engineering, Generative AI, Customer Service, Customer Inquiries, Customer Support, Application Programming Interface (API), User Flows, Python Programming, Development Environment
★ 4.2 (27) · Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: React.js, Authentications, Frontend Performance, Authorization (Computing), Web Applications, Web Development, User Experience Design
★ 4.8 (16) · Intermediate · Course · 1 - 3 Months

AI Business School
Skills you'll gain: Prompt Engineering Tools, Agentic Workflows, AI literacy, Sales Enablement, Generative AI, AI Personalization, Agentic systems, Productivity, Generative AI Agents, No-Code Development, Sales Presentations, Sales Strategy, Sales Management, Sales Process, Automation, Application Development, Artificial Intelligence, Digital Transformation, Innovation, Operational Efficiency
★ 4.5 (24) · Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Git (Version Control System), GitHub, Version Control, Software Versioning, Software Configuration Management, Collaborative Software, Software Development, Software Installation, Devops Tools, File Management, Linux, Open Source Technology, Command-Line Interface, Authentications
★ 4.1 (20) · Beginner · Course · 1 - 4 Weeks