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.

Duke University
Skills you'll gain: Exploratory Data Analysis, Ggplot2, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Statistical Methods, Data Wrangling, R Programming, GitHub, Data Transformation, Statistical Analysis, Git (Version Control System), Data Manipulation, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Git (Version Control System), Docker (Software), Containerization, SonarQube, Kubernetes, CI/CD, GitHub, Version Control, Application Deployment, Jenkins, DevOps, Continuous Integration, Continuous Deployment, Infrastructure as Code (IaC)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apple Xcode, Apple iOS, UI Components, Mobile Development, User Interface (UI) Design, Swift Programming, Responsive Web Design
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Threat Management, Vulnerability Assessments, Incident Response, Computer Security Incident Management, Public Key Infrastructure, IT Security Architecture, Disaster Recovery, Vulnerability Management, Regulation and Legal Compliance, Threat Detection, Cyber Security Assessment, Risk Management, Compliance Management, Regulatory Compliance, Network Security, Infrastructure Security, Cloud Security, Hardening, Security Engineering, Software-Defined Networking
Beginner · Specialization · 1 - 4 Weeks

Coursera
Skills you'll gain: Spring Boot, Database Design, Object-Relational Mapping, Database Application, Data Modeling, Application Development, Database Architecture and Administration, Requirements Analysis, Data Persistence
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: React.js, Routing Protocols, Authentications, Frontend Performance, Authorization (Computing), Web Applications, Query Languages, Web Development
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: CI/CD, Automation, GitHub, YAML, DevOps, Event-Driven Programming, Git (Version Control System), Software Testing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Software Installation, Data Validation, Python Programming, Program Development, Computational Thinking, Development Environment, Data Processing, Computer Programming, System Configuration, Algorithms, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Robotic Process Automation, Context Management, Business Process Automation, Automation, User Interface (UI), Application Deployment, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Windows, Authentications, Operating System Administration, Azure Active Directory, Microsoft Intune (Mobile Device Management Software), Windows PowerShell, Identity and Access Management, System Configuration, User Provisioning, Patch Management, Active Directory, Desktop Support, Remote Access Systems, Single Sign-On (SSO), Application Deployment, Cloud Deployment, Software Installation, Role-Based Access Control (RBAC), Technical Support and Services, Automation
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Health Policy, Advocacy, Health Disparities, Social Determinants Of Health, Health Equity, Climate Change Adaptation, Public Health, Policy Analysis, Health Systems, Environmental Policy, Health Care, Climate Change Programs, Environmental Issue, Sustainable Development, Climate Change Mitigation, International Relations, Socioeconomics, Policy Development, Governance, Environmental Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Kubernetes, Containerization, Google Cloud Platform, Cloud Services, Application Deployment, Cloud Infrastructure, Cloud Computing Architecture, Cloud Management, Cloud Computing, Identity and Access Management
Intermediate · Course · 1 - 3 Months