Frontend Staff Engineer

$10,000

Frontend Staff Engineer at Koinly. Salary $80,000–$120,000/year gross. 8+ years in complex data-heavy web apps. Stack: React, TypeScript, TanStack, Radix UI, Mantine, Tailwind CSS, Vite, Vitest, Storybook, Highcharts. Remote (Europe only, EU/UK).

Koinly is one of the fastest-growing crypto tax reporting platforms, serving hundreds of thousands of investors worldwide. Responsibilities: - Develop high-performance interface for complex financial data - Optimize and refactor codebase - Full responsibility for the visual layer

8+ years in developing complex, data-heavy web applications. Expert TypeScript, deep understanding of React. Proficiency with AI tools (Claude/Codex/Cursor). Stack: React, TypeScript, TanStack (Router/Query/Table), Radix UI, Mantine, Tailwind CSS, Vite, Vitest, Storybook, Highcharts.

Salary: $80,000 – $120,000 per year (gross). Remote (Europe only, EU/UK).

Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Germany, Denmark, Estonia, Spain, Finland, France, UK, Greece, Croatia, Hungary, Ireland, Italy, Lithuania, Luxembourg, Latvia, Malta, Netherlands, Poland, Portugal, Romania, Sweden, Slovenia, Slovakia

Mantine

React

AI tools

Storybook

Vite

TanStack

Tailwind CSS

TypeScript

Highcharts

Vitest

Radix UI