A frontend developer builds the parts of a website or web app that people see and use in the browser, turning designs into fast, accessible interfaces. Teams usually bring one in when the interface is how customers judge the product.
A frontend framework is a library or toolkit for building the parts of an application users see and interact with. It gives structure to components, state, routing and rendering, so teams do not hand-roll them.
A full-stack developer works across the frontend and backend of an application, from the user interface to server logic and the database. Small teams often hire one to take a feature from idea to production without hand-offs.
A progressive web app (PWA) is a website that uses modern browser features to behave like an installed app. It can sit on a home screen, work on poor connections and send notifications.
A software engineer designs, builds, tests and maintains software systems using engineering discipline. The title spans specialisms from user interfaces and server code to data and machine learning, so hiring well starts with naming the one you need.
A React developer builds user interfaces with React, the JavaScript library for composing interactive components. Their work covers web apps and sometimes React Native mobile apps, and teams bring one in when an interface is complex and must stay fast.
A single-page application (SPA) is a web app that loads one HTML page and then updates the view in the browser with JavaScript as users navigate. New data comes from APIs instead of full page reloads.
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