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: Load Balancing, ASP.NET, Test Driven Development (TDD), Debugging, C# (Programming Language), Software Testing, Scalability, Performance Testing, Restful API, Unit Testing, Web Development, Microservices, .NET Framework, Object-Relational Mapping, Software Architecture, Web Applications, Test Engineering, Object Oriented Design, Cloud Deployment, Distributed Computing
★ 4.7 (245) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: User Interface (UI), iOS Development, Mobile Development, User Interface (UI) Design, Apple iOS, User Interface and User Experience (UI/UX) Design, UI Components, Swift Programming, Application Development, Interactive Design, Cross Platform Development, Animations
★ 4.7 (118) · Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Economics, Supply And Demand, Business Economics, Game Theory, Market Dynamics, Economics, Policy, and Social Studies, Economic Development, Financial Policy, Socioeconomics, Market Analysis, Operating Cost, Public Policies, Labor Relations, Tax, International Finance, Fiscal Management, General Finance, Cost Benefit Analysis, Cost Accounting, Investments
★ 4.8 (158) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cloud-Native Computing, Cloud Applications, Cloud Development, Serverless Computing, Cloud API, API Gateway, Application Development, Google Cloud Platform, Authentications, Cloud-Based Integration, Application Programming Interface (API), Identity and Access Management, Event-Driven Programming, Node.JS, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Performance Appraisal, Human Resource Strategy, Human Resources, Compensation Strategy, Talent Management, Human Resources Management and Planning, Human Resource Management, Human Capital, Performance Review, Compensation Management, Performance Management, Human Resource Policies, Compensation and Benefits, Employee Performance Management, Organizational Development, Employee Engagement, Workforce Development, Talent Acquisition, People Management, Employee Retention
★ 4.7 (193) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Sustainable Development, Sustainable Systems, Water Sustainability, Nutrition and Diet, Food and Beverage, Nutrition Education, Public Health, Environmental Issue, Public Health and Disease Prevention, Environment and Resource Management, Health Disparities, Systems Thinking, Climate Change Adaptation, Climate Change Mitigation
★ 4.8 (194) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, R (Software), GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, Test Case, Testability, R Programming, Code Reusability, Knitr, Continuous Integration, Program Development, Build Tools, Git (Version Control System), Development Testing
★ 4.1 (223) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Programming, Java, Software Development Tools, Application Servers, Web Applications, Development Environment, Java Platform Enterprise Edition (J2EE), Object Oriented Programming (OOP), Application Development, Eclipse (Software), Program Development, Computer Programming, Object Oriented Design, Mobile Development, Programming Principles, Integrated Development Environments, UI Components, Event-Driven Programming, User Interface (UI), Virtual Machines
★ 4.4 (207) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Programming Principles, Computer Programming, Python Programming, Computational Logic, Computer Science
★ 4.5 (272) · Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Stress Management, Time Management, Personal Development, Emotional Intelligence, Self-Awareness, Stress First Aid
★ 4.6 (148) · Mixed · Course · 1 - 3 Months

Packt
Skills you'll gain: Prompt Engineering, LLM Application, OpenAI API, LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, OpenAI, Agentic Workflows, Hugging Face, Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), Embeddings, Artificial Intelligence, Data Processing, Vector Databases, Retrieval-Augmented Generation, Python Programming
★ 4.4 (140) · Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: C# (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, .NET Framework, Microsoft Visual Studio, Microsoft Copilot, Microsoft Development Tools, Programming Principles, Computer Programming, Program Development, Integrated Development Environments, Development Environment, Performance Tuning
★ 4.6 (142) · Beginner · Course · 1 - 3 Months