Senior Web Developer - React

  • Percentile
  • London, United Kingdom
  • Oct 06, 2017
Full time Developer

Job Description

We are looking for an experienced Frontend React developer to work onsite in central London for an initial (4-8 weeks) greenfield project, to bootstrap an SPA that will talk to existing backend services. This SPA will be used as the basis of our next generation frontend for a complex financial application. The successful candidate will require a strong understanding of SPA application design using React and associated technologies and will be able to create a solid foundation for this application using industry best practices.

Based on the outcome of the initial project there will be the possibility of additional on-going work to continue building out the application. For this, some financial experience may be helpful.


  • Existing UK work visa
  • Strong understanding of React JS and Javascript, including best practices and application architecture
  • Proven commercial experience building complex SPAs, including authentication/authorisation and handling complex data models
  • Skilled in writing clean, maintainable and extensible frontend code
  • Extensive experience with build processes/toolchains and related Javascript tools such as Webpack
  • An understanding of Redux or similar
  • Experienced in HTML5 and CSS3
  • Solid understanding of asynchronous request handling, JSON, webservices/REST APIs
  • Proficient understanding of cross-browser compatibility issues and solutions
  • Strong academic background, ideally in computing
  • Excellent interpersonal and communication skills


  • Strong UI/UX skills
  • Backend experience with Java, Kotlin, Gradle
  • Database/SQL experience