Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, TikTok, Debugging, Keyword Research, Podcasting, Video Production, Vibe coding, Social Media Content, Prototyping, Shared Media, Social Media Marketing, Social Media Management, Search Engine Optimization, Copywriting, Mobile Development, Paid media, Business Planning, Mobile Development Tools, Earned Media, Other Mobile Programming Languages
Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: API Design, API Gateway, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Data Validation, Authentications, OAuth, Cloud API, Microservices, Application Deployment, Continuous Deployment, CI/CD, Authorization (Computing), Application Frameworks, Performance Tuning, Application Lifecycle Management, Prometheus (Software), Grafana
★ 3.2 (11) · Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
★ 4.8 (19) · Intermediate · Specialization · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Context Protocol, Load Balancing, Containerization, Docker (Software), Model Deployment, Restful API, API Design, Application Programming Interface (API), Authentications, Application Deployment, Tool Calling, Scalability, Performance Tuning, Data Validation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Spring Framework, Java, Spring Boot, API Design, Application Programming Interface (API), Hibernate (Java), Data Validation, Development Testing, Verification And Validation, Authentications, Model View Controller, Back-End Web Development, Computer Programming, Code Reusability, Object-Relational Mapping, Server Side
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, API Design, API Testing, Spring Boot, Authentications, Test Automation, JSON, Application Programming Interface (API), Test Script Development, Application Deployment, Spring Framework, Object-Relational Mapping, Web Services, Software Quality Assurance, Object Oriented Design, Software Testing, Business Logic, Back-End Web Development, Java Programming, Java
★ 4.9 (60) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Flutter (Software), Mobile Development, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, React Native, Application Development, iOS Development, Apple iOS, Mobile Development Tools, UI Components, User Story, User Interface (UI), Android Development, Databases, Cloud Applications, Other Mobile Programming Languages, Database Management, Database Management Systems, Cross Platform Development, Application Programming Interface (API)
★ 4.4 (180) · Beginner · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Restful API, API Testing, Django (Web Framework), API Design, Software Documentation, Application Programming Interface (API), Authentications, Authorization (Computing), Debugging, JSON, Performance Tuning, Data Validation, Extensible Markup Language (XML)
★ 4.4 (380) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Application Programming Interface (API), Restful API, Javascript, Web Applications, Hypertext Markup Language (HTML), Servers, Cascading Style Sheets (CSS)
★ 4.8 (14) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OAuth, API Gateway, API Design, Restful API, Application Programming Interface (API), Cloud API, Continuous Deployment, CI/CD, Application Deployment, Authentications, Google Cloud Platform, Application Lifecycle Management, Security Controls, Proxy Servers, Authorization (Computing), Continuous Delivery, Cloud Deployment, Continuous Integration, Application Security, Software Documentation
★ 4.7 (2.9K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Postman API Platform, Continuous Delivery, Continuous Integration, Web Services, API Design, Test Tools, Spring Framework, Application Programming Interface (API), CI/CD, Test Execution Engine, Service Oriented Architecture, Verification And Validation, Software Testing, Restful API, Interactive Data Visualization, Server Side, Web Applications, Program Development, Virtual Environment, Automation
Beginner · Specialization · 1 - 3 Months