Senior Front-end Engineer (ReactJS, ReactNative)

About Yum! Brands & Our Digital Commerce Vision: Yum! Brands, Inc. is the world's largest restaurant company by system units, with over 56,000 restaurants in over 155 countries, home to iconic brands like KFC, Pizza Hut, Taco Bell, and The Habit Burger Grill. Our relentless pursuit of digital excellence is transforming the QSR industry, with an ambitious goal of achieving 100% digital sales. Our proprietary "Byte by Yum! Commerce Platform" is the sophisticated e-commerce engine driving this transformation. It encompasses all digital ordering channels – from our brand-specific mobile apps and websites to in-restaurant kiosks and emerging digital touchpoints. This platform is meticulously crafted to deliver seamless, personalized, and efficient ordering experiences for millions of customers globally.  The Role As a Software Engineer at Byte Commerce platform, you'll have the opportunity to be part of one of several exciting streams of work. Help build out a design system that caters to a world-wide audience and reduces the time to iterate on new features and ideas. You’ll play an integral part in the build of a new e-commerce platform using new technologies, platforms and partners like GraphQL, NestJS, React, React Native, Contentful & AWS. Design and present new initiatives, software and architecture & design patterns to your peers and get the support to your creations through to fruition. Engineering at Byte Commerce gives you the space, freedom and tools to grow as an individual whilst supporting you with a strong team ethos that cares about delivering on outcomes.  Responsibilities Design and develop high-performance and scalable applications using React and React Native, ensuring a seamless user experience on web, iOS, and Android Ensure adequate unit test coverage and code maintainability Write unit or end-to-end tests as appropriate to ensure your code will keep working as expected, help maintain conformance to code linting rules Help peer review code written by your teammates and work with others to improve our code quality together Help us support our platforms in production and troubleshoot any production issues Optimize code and implement best practices to enhance overall application performance Provide mentorship and guidance to junior developers, fostering a collaborative and knowledge-sharing environment