
Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Video Game Development, Web Applications, Programming Principles, Data Storage Technologies, Scripting Languages, Data Persistence, Computer Programming, Data Storage, Computational Logic, Front-End Web Development, Web Development
★ 4.7 (150) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Development, Software Engineering, Relationship Building, Professional Development, Follow Through, Communication Strategies, Professionalism, Verbal Communication Skills, Problem Solving, Communication
★ 4.8 (379) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Flutter (Software), UI Components, Mobile Development, Google Cloud Platform, User Interface (UI), Application Development, Cross Platform Development, Web Development, Network Security
★ 4.1 (15) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Secure Coding, Kotlin, Mobile Security, Android (Operating System), Android Development, Open Web Application Security Project (OWASP), Mobile Development, Security Architecture Review, Application Security, Mobile Development Tools, Data Validation, Data Cleansing, Application Deployment, SQL
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Android (Operating System), Android Development, Mobile Development, Software Architecture, Live Streaming, Application Frameworks, Performance Tuning, Middleware, Image Quality, Linux
★ 3.1 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: NumPy, Pandas (Python Package), File I/O, Image Analysis, Data Manipulation, Mobile Development Tools, Matplotlib, Computer Vision, Full-Stack Web Development, Data Analysis, Object Oriented Design, Python Programming, Android (Operating System), File Systems, Application Design, Programming Principles, Code Reusability, File Management, Data Structures, User Interface (UI) Design
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: React Native, User Interface and User Experience (UI/UX) Design, Mobile Development, UI/UX Strategy, Secure Coding, Development Testing, Unit Testing, Security Controls, Software Testing, Authentications, Data Security, Debugging, iOS Development, Mobile Security, Interaction Design, Frontend Performance, Mobile Development Tools, Android Development, Animations, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Goal Setting, Workflow Management, Organizational Skills, Delegation Skills, Project Management Software, Project Coordination, Project Management, Work Breakdown Structure, Resource Allocation, Collaborative Software
★ 4.6 (26) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Project Management Software, Collaborative Software, Productivity Software, Organizational Skills, User Accounts, User Provisioning
★ 4.8 (10) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: iOS Development, Open Web Application Security Project (OWASP), Swift Programming, Mobile Security, Mobile Development, Secure Coding, Knowledge of Apple Hardware, IT Security Architecture, Application Security, Data Validation, Application Programming Interface (API), JSON
Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Data Strategy, Data Ethics, Data Sharing, Customer Data Management, Market Opportunities, Data Governance, Data Management, Data-Driven Decision-Making, Data-Driven Marketing, Big Data, Customer Insights, Personally Identifiable Information, Data Literacy, Advertising, Strategic Thinking, Data Collection, Personalized Service, Business Transformation, Innovation, Business Modeling
★ 4.9 (18) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Authentications, Cryptography, Secure Coding, Kotlin, Android (Operating System), OAuth, Encryption, Mobile Security, Android Development, Key Management, Exploit development, Application Security, Android Studio, Data Security, Open Web Application Security Project (OWASP), Authorization (Computing), Mobile Development, Security Architecture Review, Security Controls, Application Development
Intermediate · Specialization · 1 - 3 Months