Web application courses can help you learn front-end and back-end development, user interface design, and database management. You can build skills in coding languages like JavaScript and Python, as well as frameworks such as React and Node.js. Many courses also cover essential tools like Git for version control and SQL for database queries, showing how these skills come together to create dynamic and interactive web experiences.

Infosec
Skills you'll gain: Authentications, Secure Coding, Cryptography, Application Security, Web Applications, Javascript, Identity and Access Management, Node.JS, Security Awareness
★ 4.5 (70) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Jenkins, Infrastructure as Code (IaC), CI/CD, Ansible, Build Tools, SonarQube, Devops Tools, DevOps, Apache Tomcat, Apache Maven, Continuous Integration, Continuous Deployment, Configuration Management, Continuous Delivery, Software Configuration Management, Code Coverage, Shell Script, Application Deployment, Unix Shell, Docker (Software)
★ 3.7 (53) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Flutter (Software), Mobile Development, UI Components, Cross Platform Development, Maintainability, Microsoft Visual Studio, Development Environment, Application Development, Integrated Development Environments, Programming Principles, User Interface (UI), Computer Programming, Software Installation
★ 4.5 (26) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Back-End Web Development, PostgreSQL, Database Development, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Application Programming Interface (API), Database Management, Databases, Data Validation, Development Environment
★ 4 (22) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Linear Algebra, Applied Mathematics, Algebra, Advanced Mathematics, Geometry, Applied Machine Learning, Markov Model
★ 4.8 (79) · Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Make.com, Email Automation, DeepSeek API, Deepseek, Workflow Management, Agentic Workflows, AI Workflows, No-Code Development, User Interface (UI), LLM Application, AI Orchestration, AI Integrations, Human Computer Interaction, Generative AI Agents, Large Language Modeling, Automation, Application Programming Interface (API), Natural Language Processing, Prompt Engineering, Debugging
★ 4.1 (64) · Intermediate · Specialization · 1 - 3 Months

Palo Alto Networks
Skills you'll gain: Zero Trust Network Access, Network Security, Endpoint Security, Network Administration, General Networking, TCP/IP, Cybersecurity, Network Infrastructure, Firewall, Security Controls, Cryptography, OSI Models, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Encryption, Authentications, Network Routing, Software As A Service
★ 4.7 (219) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, User Interface (UI), Bootstrap (Front-End Framework), User Interface (UI) Design, Development Environment, JavaScript Frameworks, Front-End Web Development, Debugging, Frontend Integration, Web Development Tools, Full-Stack Web Development, Animations, Test Tools, Unit Testing, FinTech, Application Development, Development Testing, Integrated Development Environments, Application Deployment, Other Programming Languages
★ 4.5 (11) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Remote Access Systems, Linux, Restful API, Web Applications, Internet Of Things, Embedded Systems, Application Programming Interface (API), Robotics, Linux Commands, Command-Line Interface, Application Security, Electronics, Product Automation, System Configuration, Python Programming, Electronic Components, Software Installation
★ 4.8 (56) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: React Redux, React.js, Frontend Integration, Back-End Web Development, Front-End Web Development, UI Components, Web Applications, Application Programming Interface (API), JavaScript Frameworks, Authentications, Server Side, User Interface (UI), User Accounts, Development Environment
★ 4.7 (13) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Security Controls, Malware Protection, Information Systems Security, Network Security, Security Testing, Firewall, Digital Forensics, Anomaly Detection, Code Review, Network Routing, Proxy Servers, Linux, Internet Of Things
★ 4.5 (174) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Extract, Transform, Load, Data-Driven Decision-Making, Amazon Web Services, Business Intelligence, Data Warehousing, Big Data, Databases, NoSQL, Data Analysis, Data Pipelines, Unstructured Data, Data Processing, Cloud API, SQL, Data Storage, Data Architecture, Relational Databases, Data Transformation, Data Management
★ 4.7 (59) · Beginner · Course · 1 - 4 Weeks