Senior Frontend Developer

At Monterosa, we are passionate about bringing people together through engaging and interactive experiences in entertainment and sport. Our mission is to enhance popular culture by delivering innovative solutions for some of the world\’s most beloved brands in media, sports, and entertainment.

We strive to inspire and empower organisations to connect with their audiences in meaningful ways.

Job summary

As a Front-End Engineer at Monterosa, you will be responsible for developing innovative and engaging user interfaces for our digital products, ensuring they align with Monterosa\’s overall goals. You will utilise your expertise in front-end technologies, responsive design, and advanced tooling to create high-quality, user-centric experiences

.

Key responsibilities

1. User Interface Developmen
   t: Designing and developing intuitive, responsive user interfaces using React and other front-end technologies. Ensure that the UI meets design specifications, is visually appealing, and provides an optimal user experience across various devices and screen sizes
2. Integration with Backend Service
   s: Collaborating with backend engineers to integrate front-end interfaces with backend APIs for data communication, authentication, and error handling. Ensure seamless interaction between the front-end and back-end components to deliver a cohesive user experience
3. Performance Optimisatio
   n: Implementing performance optimisation techniques such as code splitting, lazy loading, caching, and network optimisation to improve the speed and efficiency of front-end applications. Profile and analyse performance bottlenecks to identify areas for improvement and enhance overall responsiveness
4. Code Quality and Maintenanc
   e: Writing clean, maintainable code according to industry best practices and coding standards. Regularly refactor and optimise the existing codebase to improve readability, scalability, and maintainability. Conduct code reviews and collaborate with team members to ensure code quality and consistency
5. Continuous Learning and Innovation
   : Stay updated with the latest front-end technologies, trends, and best practices. Experiment with new tools and techniques to innovate and enhance the front-end development process. Share knowledge and mentor junior team members to foster a culture of continuous learning and improvement

About you

You are a seaso
ned Frontend Develo
per with expertise
in , TypeScript, and modern frontend technolog
ies to join our team. You have a strong eye for detail and a passion for building high-performance, scalable, and maintainable web applications.

You have experience wi
th testing framewo
rks li
ke Jest, React Testing Library, or Cypr
ess, ensuring code quality and stability. Knowledge
of CI/CD pipelines, Git workflows, and containerisation with Doc
ker is a plus.

You enjoy collaborating with designers, backend developers, and stakeholders to bring seamless digital experiences to life. If you are passionate about frontend development and staying up to date with the latest technologies.

Qualifications

Core React & Frontend Development

• Strong understanding
  of React fundamen
  tals, includ
  ing JSX, Virtual DOM, and component-based architec
  ture
• Experience w
  ith responsive design techniques and t
  ools to ensure optimal user experiences across different devices
• Proficiency
  in HTML5, CSS3 (Flexbox, Grid), and modern CSS framew
  orks (e.g., Tailwind UI) CSS, Styled Components, Material

JavaScript & TypeScript Expertise

• Master
  y
  of advanced JavaScript (
  ES6+) concepts, inclu
  ding async/await, promises, closures, and functional programming.
• Hands-on experience
  with TypeS
  cript for type safety and scalable frontend architecture

State Management & API Integration

• Deep knowled
  ge of React state management sol
  utions
  like Redux, Redux-Saga, Zustand, or React
• Query.Experience integrating and han
  dling RESTful APIs and G
  raphQL, including authentication, error handling, and security considerations

Performance Optimisation & Tooling

• Expertise in frontend performance optimisation techniques, inc
  luding code splitting, lazy loading, memoisation, and
  c
• aching.Familiarit
  y with Webpack, ESLint, Prettier, Vite, or
  ESBuild to enhance development workflows
• Understand
  ing of browser security constraints, accessibility (WCAG standards), and best practices for frontend security (XSS, CSRF, CORS, SQL Injection prot
  ection)

Debugging & Profiling

• Advanced experien
  ce with browser developer tools, Chrome DevTools, Li
  ghthou
  se, and performance monitori
  ng tools to analyse memory usage, CPU performance, and network activity
• Ability to diagnose and resolve frontend performance bottlenecks efficiently