Frontend Engineer

This role suits a Mid-level Frontend Engineer with 4+ years of experience, ideally skilled in Vue.js or similar frameworks (React, Angular). Candidates should know modern frontend tools like Git, ES6, Webpack, and state management (Vuex, Redux). The job involves building performant, mobile-first interfaces, mentoring juniors, and collaborating in agile teams focused on user experience and scalable web apps.

1. How do you approach building mobile-first, responsive frontends with Vue.js?
   I focus on designing components that adapt seamlessly across devices, using CSS media queries, flexible layouts, and Vue's reactive system to optimize for performance and user experience.

2. Explain your experience with state management in Vuex or similar libraries.
   I manage application state centrally with Vuex, ensuring predictable state mutations and efficient data flow between components, while using modules to keep state organized and maintainable.

3. How do you optimize frontend performance in large Vue applications?
   I implement lazy loading, code splitting via Webpack, memoization, and optimize rendering with computed properties and watchers to minimize unnecessary updates and reduce load times.

4. Describe your familiarity with build tools like Webpack and CSS preprocessors like Less or Sass.
   I configure Webpack for bundling, hot module replacement, and asset optimization; I use Sass/Less for modular, maintainable styling with variables, mixins, and nesting to improve CSS scalability.

5. How do you ensure code quality and consistency in your frontend projects?
   I enforce coding standards through code reviews, use linting tools like ESLint, write unit and integration tests, and follow Vue and JavaScript best practices to maintain clean, reliable code.

6. What’s your experience working with backend APIs and integrating them into frontend applications?
   I consume RESTful APIs using Axios or Fetch, handle asynchronous data fetching, error handling, and integrate real-time updates when necessary, ensuring smooth and reliable frontend-backend communication.

7. How do you mentor less experienced developers and contribute to team culture?
   I share knowledge through pair programming, code reviews, documentation, and encourage open communication, fostering a supportive environment focused on growth and continuous learning.

8. Explain your experience with Vue Router and handling complex frontend navigation.
   I implement dynamic routing, nested routes, route guards for authentication, and leverage lazy loading of routes to optimize initial load times and manage complex navigation flows effectively.

9. How do you handle cross-browser compatibility and accessibility in your frontend projects?
   I test across major browsers, use CSS resets, polyfills where needed, and follow WCAG guidelines to ensure accessibility, including semantic HTML, keyboard navigation, and screen reader support.

10. What Agile practices have you used to deliver frontend features effectively?
    I participate actively in sprint planning, grooming, retrospectives, use task breakdowns for clear deliverables, collaborate closely with product and QA teams, and embrace continuous integration and deployment.

Sporty, a top sports betting platform in London, seeks a Frontend Engineer to build mobile-first, responsive Vue.js frontends used by millions daily. Join a fast-growing, globally established company focused on performance, innovation, and user experience. You'll work with modern tech (Vue, Vuex, Webpack, SCSS), mentor teammates, and enjoy flexible hours, quarterly bonuses, and a collaborative culture. Impactful role in a stable yet startup-spirited environment.