Vauxhall, London

Hybrid - 3 days in the office, 2 days remote

We are looking for a Lead Mobile React Native Engineer to help us build on our previous success with the Zapp app and create a world class user experience for our customers.

In this role, you will be responsible for enhancing the user interface and experience for our consumer-facing app. You'll implement visual elements and program their behaviour with user interactions, work with designers and product managers to articulate and test hypotheses, and convert winning ideas into scalable tech that will make Zapp the industry leader in the 'Quick Commerce' space in London - and beyond.

Zapp is London’s leading premium convenience retail platform. Founded in 2020, our vision is to disrupt the multi-trillion dollar convenience retail market, currently dominated by major players, by developing best-in-class customer-centric technology and fulfilment solutions. Zapp partners with some of the world’s leading brands to deliver an exclusive range of hand-picked products 24/7, delivered in minutes.

Core Responsibilities:

• Translating designs and wireframes into high quality code.
• Developing new user-facing features for both our iOS and Android apps.
• Benchmarking and optimising various components of the front-end app.
• Analysing experiment data with our Product and Engineering team.
• Demonstrate genuine domain expertise in our iOS/Android apps.
• Increase quality of commits pushed to production.
• Be instrumental in helping your manager grow a mature team of engineers.
• Defining KPIs for performance inside the app and driving changes across the stack to achieve these KPIs.
• Being the voice of Mobile Engineering in quarterly/annual planning.

Essential skills:

• At least 5 years of professional experience as a Front End Engineer working on a B2C consumer app (essential).
• Experience using React Native (essential), and UI testing frameworks such as Maestro.
• Experience with Sentry, Zustand, Expo and React Query.
• Strong Typescript skills along with any Node.js frameworks (e.g. Express.js or Koa.js).
• Knowledge of GraphQL, Kotlin and/or Swift AWS (beneficial).
• 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.

Benefits:

• Competitive salary & equity package.
• Enjoy 25 days of holiday per year (plus all bank holidays).
• Private Health Insurance.
• Extended sick pay and maternity/paternity leave pay.
• Perkbox.
• Cycle to work scheme.
• Flexible/hybrid working arrangement (60:40 between office/home).