Summary
A senior frontend engineering role with ownership across web and mobile applications, from implementation through release. You will build revenue-driving functionality, strengthen automated testing and release quality, and collaborate closely with product and backend teams. Strong production experience with React and TypeScript is essential, while React Native and Python are valuable additions. The environment rewards technical ownership, excellent UX instincts, teamwork, and high-quality delivery.
Highlights
Offers hybrid working, private healthcare, travel insurance, performance-related rewards, paid AI tooling, strong training, recognition programs, and opportunities to own impactful web and mobile experiences.
Description
Our Company
At Quantum, we connect global brands with high-intent consumers.
We turn intent into action and complexity into clarity.
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.
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.
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.
The Role
Our Rewards Tech team is growing! We’re looking for a Senior Frontend Engineer to join our team in Maidstone.
In this role you will own the frontend across our Cashback and Custard 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.
Key Responsibilities
Own the frontend across the Cashback and Custard apps and websites, from build through to releaseShip new app functionality that moves revenue and retention, working closely with product and backendBuild and maintain automated end-to-end tests so staging is stable and releases are predictableRaise the standard of web and app UX across both reward brandsWork full stack where it counts, partnering with our backend developers on the Python services behind the apps
About You
A strong senior frontend engineer, production-grade with React and TypeScript on the webHands-on building and shipping mobile apps, ideally React Native across iOS and AndroidA sharp eye for UX and design: you care how a product feels, not just whether it worksComfortable owning end-to-end and staging test automation as part of how you shipHappy working across the stack, with Python a strong plus rather than a hard requirementYou thrive when working as part of a teamComfortable in a fast-paced environmentHave excellent written and verbal English skillsLast but not least, you’ll have no ego!
What You’ll Get
Private Health Care (Bupa)Hybrid Working (3 days in office)Travel InsuranceCompetitive Base SalaryCompany Bonus SchemePaid for AI Subscription (Claude / ChatGPT / Gemini)Market-Leading Training ProgrammeRecognition & Reward SchemeAnnual Company Conference Regular Happy Hours & Team LunchesFree Coffee, Drinks & Snacks
What’s the next step?
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.
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 careers@quantum.media.
