Senior Frontend Engineer (React Native)

  • London
  • Full time (permanent)
  • hybrid
  • US Cards Team

About the role

We’re looking for a Senior Frontend Software Engineer (React with NextJS & React Native) to join our Zable US Credit Card team, becoming a key part of a cross-functional team building and refining features for iOS, Android, and Web in one of the world’s toughest and most dynamic credit markets - the United States.
Our US credit card product launched this year and our work now continues to build and refine our customer offering to complement our highly successful UK credit card business, which serves over 750,000 customers. Our roadmap includes features to introduce new user journeys and optimise conversion rates in our existing funnels, increasing functionality for our existing customers, refactoring & improving our codebase and tooling, and plenty more as we continue our growth in this market.
Alongside feature work we also put a big focus on improving performance, reducing tech debt, and improving scalability. Our ideal engineer is detail focused and resourceful, and keen to understand the bigger picture outside of their product team, contributing to wider engineering and business initiatives that help us scale Lendable as a global business as we continue to grow.

Tech stack

  • Mobile Apps
  • Typescript, React Native, Expo, EAS, GraphQL, Relay, Zustand, Jest, React Testing Library, Maestro
  • Web
  • Typescript, React, NextJS, Redux Toolkit, SCSS, React Testing Library, Cypress
  • Backend / Infrastructure
  • PHP 8 (Symfony), Kotlin, AWS, MySQL, RabbitMQ, Docker, Kubernetes
  • Tooling
  • Github, Jira & Confluence, for our code & product management processes
  • Bugsnag, Datadog & Sentry for debugging and reporting
  • Figma & Storybook, for our design process
  • For more information about how we work you can also check out our blog and read more about our workplace culture.
  • What we're looking for

  • You have a solid understanding of modern Javascript with Typescript
  • You have significant commercial experience with both cross-platform mobile development using React Native, and of web development with React and NextJS
  • You have a strong understanding of the different needs of mobile users across a variety of platforms and devices
  • You are an advocate for automated testing, and take a pragmatic approach to implementing and improving the various phases of the testing pyramid 
  • You can quickly identify and assess technical debt and are keen to make the case for remedying it whenever the opportunity arises
  • You understand the importance of catering to users with accessibility needs, and are familiar with the approaches and tooling required to ensure accessibility guidelines and best practices are adhered to
  • You have experience working with product owners to break down business requirements into deliverable tasks and estimate the complexity of their implementation. You can quickly identify the difficulties of implementing a feature from an initial design wireframe or outline spec and are comfortable putting forward alternative approaches where appropriate
  • You have experience mentoring and supporting other engineers, playing a role in their personal and professional growth, and enabling them to succeed.
  • What would make you stand out

  • You’re comfortable owning and managing the full spectrum of iOS & Android application requirements, such as provisioning, certificate management, automated deployment, and app store release processes
  • You have experience with modern React web development using frameworks such as NextJS, and Server Components
  • You’ve worked with OpenAPI/Swagger specifications to help define API requirements and contracts, collaborating with backend developers to agree on best approaches when scoping work that requires new and updated schemas
  • You have in-depth experience of mobile and web performance best practices and debugging
  • You have experience of UI or UX design. You feel at ease discussing approaches with product designers, and are happy to get involved in making design decisions where required
  • You’ve built, or worked on, products that have scaled from zero users to tens or hundreds of thousands (or more), and can apply what you learnt in new contexts
  • Interview process

  • A quick video call with a member of our talent team to learn more about you
  • A 30-minute video call with an engineer to discuss your experience and answer any initial technical questions you have about the role
  • A short React Native coding exercise to complete in your own time
  • Final Onsite or Video interviews which include;
  • A technical session with your peers where you’ll discuss your solution to the exercise, talk through some problems and scenarios, and dig deeper into your technical experience
  • An interview with an Engineering Manager to explore your motivations and goals, assess how you could play a part in your team’s success, and better understand how we could help you thrive in your role.