Senior Frontend Engineer

Company: MILE

Salary: Not provided

Location: , United Kingdom

react

Description

• MILE is the new members-only shopping destination redefining luxury commerce.

• We offer access to a curated, seasonless catalogue of the most sought-after products from globally renowned fashion houses—all at unmatched prices.

• Built at the intersection of technology and fashion, MILE delivers a seamless, elevated experience for both consumers and brands.

• Our mission is to become the leading digital destination for luxury—where exclusivity, value, and exceptional design converge.

• As a senior member, you’ll play a pivotal role in shaping our customer-facing experiences across both our mobile app (React Native) and web platforms (React), including dashboards and our marketplace UI.

• This is a high-impact role for someone who thrives in fast-paced, product-driven environments and wants to help build an industry-defining brand.

Requirements

• Collaborate closely with our front-end, product, design, and backend teams to deliver high-quality features across mobile and web.

• Help shape our front-end architecture and best practices to ensure scalability, maintainability, and a premium user experience.

• Implement pixel-perfect designs with attention to interaction, motion, and accessibility.

• Drive the optimisation of app and web performance, reliability, and cross-device compatibility.

• Guide UI/UX decisions with a keen eye for detail, contributing to MILE’s elevated and luxury feel.

• Contribute to and evolve our Tamagui-powered design system across platforms.

• Mentor junior engineers and contribute to a culture of technical excellence and innovation.

• Stay current with front-end trends and technologies to ensure we’re always pushing the boundaries of what’s possible.

• 5+ years of professional experience developing complex front-end applications in production.

• Deep expertise in React and React Native, with a solid understanding of their ecosystems and performance distinctions in React paradigms.

• Strong grasp of modern JavaScript/TypeScript, state management (e.g., Redux, Zustand), and component-driven architecture.

• Developed multiple React Native applications that are performant and feel incredibly native, along with best practices for image loading, react-query implementation, scrollview optimizations, bottomsheet/modal management etc.

• Deep familiarity with react quirks, performance issues, useEffect gotchas and ability to make custom hooks.

• Experience making custom React Native bridge modules.

• Experience delivering polished mobile apps and web experiences that meet high standards of design and usability.

• Experience with Tamagui, Ant Design, Tailwind and Shadcn.

• Experience working with GraphQL on the frontend and building complex, templatable CMS/CRUD frontends.

• Familiarity with RESTful APIs and integrating with backend services using Orval generated methods.

• Have set up Expo, build, and QOL aspects for engineering teams.

• Experience developing native and 3rd party shopping integrations such as Stripe and Shopify - managing shop/cart/checkout state perfectly between different services.

• Skilled in performance optimisation, debugging, and profiling tools for both web and mobile.

• Comfortable working in dynamic, high-growth, early-stage environments with evolving priorities.

• A collaborative problem-solver with excellent communication skills and a product-focused mindset.

• Built or contributed to automated front-end test suites, collaborating with QA teams (e.g., Detox, Playwright, React Testing Library).

• Experience with animations and advanced UI interactions (e.g., React Native Reanimated, Framer Motion).

• Familiarity with mobile app store release processes and OTA updates (e.g., CodePush, Expo).

• Passion for fashion, luxury, or e-commerce.

• Familiarity with analytics, A/B testing, and measuring UI impact on engagement metrics.

Benefits

• Opportunity to play a key role in shaping the future of the company.

• Collaborative and innovative work environment.

• Career growth opportunities in a fast-growing organisation.

Apply here

job post pulled from jsjobs

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