Senior Frontend Engineer (Web & App)

<p style="min-height:1.5em"><strong>Our Company<br /></strong>At Quantum, we connect global brands with high-intent consumers. We turn intent into action and complexity into clarity.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">Our Mission is clear, to help smarter, faster buying decisions. Our vision, to be the world’s most used digital comparison service, delivering value and simplicity to millions.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">We drive growth through data-driven affiliate marketing built for performance from day one. Every campaign is measurable, optimised in real time, and designed to scale.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">With in-house tech, full-stack analytics, and a compliance-first mindset, we give our partners an edge. We drive confident decisions and growth in regulated and high-growth sectors. We’ve helped ambitious brands grow faster, smarter, and globally.</p><p style="min-height:1.5em"><strong>The Role</strong></p><p style="min-height:1.5em">Our Rewards Tech team is growing! We’re looking for a Senior Frontend Engineer to join our team in Maidstone.</p><p style="min-height:1.5em">In this role you will own the frontend across our <a target="_blank" rel="noopener noreferrer nofollow" href="https://cashback.co.uk/">Cashback</a> and <a target="_blank" rel="noopener noreferrer nofollow" href="https://joincustard.co.uk/">Custard</a> apps and websites, shipping new functionality that moves revenue, hardening our release pipeline with automated testing, and raising the bar on how our reward products look and feel.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>Key Responsibilities</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Own the frontend across the Cashback and Custard apps and websites, from build through to release</p></li><li><p style="min-height:1.5em">Ship new app functionality that moves revenue and retention, working closely with product and backend</p></li><li><p style="min-height:1.5em">Build and maintain automated end-to-end tests so staging is stable and releases are predictable</p></li><li><p style="min-height:1.5em">Raise the standard of web and app UX across both reward brands</p></li><li><p style="min-height:1.5em">Work full stack where it counts, partnering with our backend developers on the Python services behind the apps</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>About You</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">A strong senior frontend engineer, production-grade with React and TypeScript on the web</p></li><li><p style="min-height:1.5em">Minimum 6- 10 years experience.</p></li><li><p style="min-height:1.5em">Hands-on experience building and shipping mobile apps, ideally React Native across iOS and Android</p></li><li><p style="min-height:1.5em">A sharp eye for UX and design you care how a product feels, not just whether it works</p></li><li><p style="min-height:1.5em">Comfortable owning end-to-end and staging test automation as part of how you ship</p></li><li><p style="min-height:1.5em">Happy working across the stack, with Python a strong plus rather than a hard requirement</p></li><li><p style="min-height:1.5em">You do your best work as part of a team and enjoy sharing knowledge as much as gaining it</p></li><li><p style="min-height:1.5em">Comfortable navigating a fast-paced environment</p></li><li><p style="min-height:1.5em">Excellent written and verbal communication skills</p></li><li><p style="min-height:1.5em">A genuine desire to learn, grow, and lift others around you</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>What You’ll Get</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Private Health Care (Bupa)</p></li><li><p style="min-height:1.5em">Hybrid Working (3 days in office)</p></li><li><p style="min-height:1.5em">Travel Insurance</p></li><li><p style="min-height:1.5em">Competitive Base Salary</p></li><li><p style="min-height:1.5em">Company Bonus Scheme</p></li><li><p style="min-height:1.5em">Paid for AI Subscription (Claude / ChatGPT / Gemini)</p></li><li><p style="min-height:1.5em">Market-Leading Training Programme</p></li><li><p style="min-height:1.5em">Recognition &amp; Reward Scheme</p></li><li><p style="min-height:1.5em">Annual Company Conference </p></li><li><p style="min-height:1.5em">Regular Happy Hours &amp; Team Lunches</p></li><li><p style="min-height:1.5em">Free Coffee, Drinks &amp; Snacks</p><p style="min-height:1.5em"></p></li></ul><p style="min-height:1.5em"><strong>What’s the next step?<br /><br /></strong>Our hiring process ensures we're recruiting the right people for the role. We ensure that people are as suitable for us as we are for them.<br /><br />If you like the sound of what we're all about at Quantum and want to join a team where you can make an impact, please apply or contact us at -----<p>Find <a href="https://www.arbeitnow.co.uk">Jobs in United Kingdom</a> on Arbeitnow</a>