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Mobile Engineer (React Native)

Engineering, London, Full Time, £60,000 - £70,000 / year

Job Description

At Reward Gateway, we’re driven by our culture and over 700 of us work together to make the world a better place to work. We do this through our products and technology, supporting 4000+ global clients and their leaders to connect, recognise and engage their people.
An opportunity has become available for a React Native Mobile Engineer who will be a key member of the Engineering unit at Reward Gateway. You will be responsible for ensuring that our mobile app is built to be visually compelling and compliant with both internal and external standards. 

You will work in a team with QAs, Designers, and Back-end developers to build an app that RG provides to its clients. Your team will stay organised using the Scrum methodology and deliver short-term incremental updates to the project at hand.

Key Responsibilities

  • Design, develop, and maintain high-quality mobile applications using React Native
  • Collaborate with cross-functional teams, including Product, Design, and Backend Engineering, to ensure seamless integration of new features and improvements in our mobile applications using Typescript and React Native
  • Continuously improve the user experience of our mobile applications
  • Work in a team environment with shared code, ensuring disciplined use of source code control and process documentation
  • Identify, analyse, and resolve performance bottlenecks and inefficiencies in the mobile application codebase
  • Write and maintain comprehensive unit tests and documentation for the project
  • Mentor junior developers and actively participate in code reviews to maintain a high standard of code quality for mobile applications
  • Stay up-to-date with the latest industry trends and technologies related to mobile development


  • At least 3+ years experience as a Front End Engineer with experience building mobile applications in React Native
  • Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience
  • In-depth knowledge of the React and React Native frameworks
  • A good understanding of the Android and iOS platforms
  • Experience with frontend testing frameworks
  • Familiarity with modern front-end build pipelines and tooling
  • Understanding of mobile UI/UX best practices and principles
  • Problem-solving skills, attention to detail, and ability to work independently and as part of a team
  • See opportunities for improvements in both the work they produce and also the processes that drive the successful delivery of projects
  • Experience working with mobile payments and understanding PCI DSS standards would be highly advantageous

The Interview Process

  • A video interview with a Talent Acquisition Partner and Engineering Lead. This should last no longer than 40 minutes.
  • Final video interview of 75 minutes that will consist of 3 stages. This includes: 
    • 50 minutes to discuss your experience and technical abilities 
    • 15 minutes to review and discuss a coding exercise
    • 10 minutes to ask questions you may have

Be comfortable. Be you.
At Reward Gateway, we want all of our employees to feel comfortable bringing their passion, creativity and individuality to work. We value all cultures, backgrounds and experiences, as we truly believe that diversity drives innovation. Express yourself, join our community and help us Make the World a Better Place to Work.

We hire BETTER. 
From perks to people, our BETTER approach to hiring earns us more trust, happier people and more world-class talent that help us to make the world a better place to work. Find out more about Reward Gateways approach to benefits, equality, talent, technology, empathy and what you’ll get in return for joining our Mission at rg.co/lifeatrg.
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