Backend Staff Engineer

Backend Staff Engineer at Koinly. Remote (Europe only). $80,000-$120,000/year. Develop and optimize backend for crypto tax calculator.

Koinly is one of the fastest-growing crypto tax calculators in the world, used by hundreds of thousands of investors and accountants. Tasks: development and optimization of distributed backend for processing crypto transactions, working with DeFi protocols, ensuring financial accuracy.

8+ years in complex data-heavy distributed systems. Stack: TypeScript (Node.js), PostgreSQL, RabbitMQ, Redis, Rust (production), AI tools (Claude/Codex/Cursor).

Salary: $80,000 – $120,000 per year (gross). Location: remote (Europe only).