Koinly★3.0 (1)· London

Work with React 19, TypeScript, TanStack (Router, Query, Table), Radix UI, Mantine, Tailwind CSS v4, Vite, Vitest, Storybook, Highcharts, Sentry, Bun, and RabbitMQ on a data platform that reconciles crypto transactions and tax obligations for Koinly’s web application, with a React Native mobile app joining scope later.

Motorway, the UK's used car marketplace, seeks a mid-level frontend engineer to ship features end-to-end using TypeScript, React, Next.js, SCSS, Vitest, and Express. You'll own product work from design through production within a cross-functional squad, writing accessible, performant components while leveraging AI tools like Kiro to accelerate development. Strong React and TypeScript experience with CSS at scale and testing frameworks required.