Senior Frontend Engineer - React/TypeScript, Hybrid Work

Quantum; Maidstone; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Private Health Care (Bupa)

Hybrid Working (3 days in office)

Travel Insurance

Company Bonus Scheme

Paid AI Subscription (Claude / ChatGPT

Gemini)

Market-Leading Training Programme

Recognition & Reward Scheme

Annual Company Conference

Regular Happy Hours & Team Lunches

Free Coffee, Drinks & Snacks

Job summary

Quantum in Maidstone is seeking a Senior Frontend Engineer to own the frontend across our Cashback and Custard apps and websites. You will ship new functionality that moves revenue, while strengthening the release pipeline with automated testing and elevating the user experience of our rewards products.

You should be a strong frontend engineer with React and TypeScript, experience shipping mobile apps (ideally React Native), and comfortable collaborating across the stack with Python services

Qualifications

• Strong senior frontend engineer with production-grade React and TypeScript on the web.
• Experience building and shipping mobile apps, ideally React Native across iOS and Android.
• Sharp eye for UX and design, caring how a product feels as well as how it works.
• Comfortable owning end-to-end and staging test automation as part of shipping.
• Happy working across the stack, with Python a strong plus rather than a hard requirement.
• Team player who enjoys sharing knowledge and learning together.
• Able to navigate a fast-paced environment and communicate clearly.

Responsibilities

• Own the frontend across the Cashback and Custard apps and websites, from build through release.
• Ship new app functionality that drives revenue and retention, collaborating with product and backend.
• Build and maintain automated end-to-end tests to keep staging stable and releases predictable.
• Raise the standard of web and app UX across both reward brands.
• Collaborate with backend developers on Python services powering the apps.

Skills

React

TypeScript

React Native

UX design

End-to-end testing

Team collaboration

Communication

Problem solving

Tools

Python

Job description

Quantum in Maidstone is seeking a Senior Frontend Engineer to own the frontend across our Cashback and Custard apps and websites. You will ship new functionality that moves revenue, while strengthening the release pipeline with automated testing and elevating the user experience of our rewards products.

You should be a strong frontend engineer with React and TypeScript, experience shipping mobile apps (ideally React Native), and comfortable collaborating across the stack with Python services