Senior Front End Engineer (React Native)



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Software Engineering
London, UK
Posted on Wednesday, December 6, 2023

Senior Front End Engineer (React Native)
London, Hybrid

We are looking for Senior Mobile Front-End Engineers to help us continue building the Zapp app and pushing the boundaries within the speedy delivery space. In this role, you will be responsible for creating an amazing user experience and UI with our customer facing application. Responsibilities will include implementing visual elements and their behaviours with user interactions. You will work with our designers and product managers to quickly articulate and test various hypotheses, and convert winning ideas into scalable tech that will make Zapp the industry leader in London and beyond!

Zapp is building the future of convenience with a full stack approach to on-demand essential items, 24/7, delivered in minutes. Customer obsession is at the heart of everything we do, and from founders to riders we are relentlessly focused on delighting our customers. We are backed by the world's leading investors and our team has scale-up and exit experience at companies such as Amazon, Jumia, Deliveroo, Tesco, Stuart and Just Eat.

Main Responsibilities:

  • Translating designs and wireframes into high quality code
  • Developing new user-facing features for our iOS and Android apps
  • Benchmarking and optimising various components of the front-end app
  • Analysing experiment data with our Product and Engineering team

Goals and Targets for 1st year:

  1. Become a domain expert in our iOS/Android apps
  2. Increase quality of quantity of commits pushed to production
  3. Help your manager grow a mature team of engineers
  4. Define KPIs for performance inside the app and drive changes across the stack to achieve these KPIs
  5. Be the voice of Engineering in quarterly/annual planning

Our Expectations:

  • Professional experience (5 years plus) as a front-end developer in fast fast-paced environment working on a B2C app
  • Experience using React Native is essential
  • Strong Typescript skills and any Node.js frameworks i.e. Express.js or Koa.js
  • Knowledge of GraphQL, Kotlin or and Swift AWS is a plus point
  • Passionate about building fluid user interfaces that delight customers
  • Able to operate independently and lead small teams, with little guidance
  • Strong written and verbal communication in English


  • Competitive salary & equity package
  • Enjoy 25 days holiday per year (plus all bank holidays)
  • Private Health Insurance
  • Extended sick pay and maternity/paternity leave pay
  • Make use of our home office allowance for office supplies

At Zapp we embrace diversity. We are committed to creating an inclusive and supportive work environment. We firmly believe that a variety of backgrounds & perspectives make our team stronger and bring our product closer to the customer.

As an Equal Opportunity Employer, we make all employment decisions without regard to age, national origin, race, ethnicity, religion, creed, gender, sexual orientation, disability, veteran status, or any other characteristic protected by law.

This job is no longer accepting applications

See open jobs at Zapp.