Senior Ruby Engineer in London - Koinly
Location
london, england
Job Type
Full-time
Category
IT & Technology
Posted
June 08, 2026
Koinly is a tax solution for cryptocurrency investors and accountants. Anyone who owns multiple exchange accounts or wallets knows the pains when it comes to declaring taxes. Koinly was built to solve this very problem by integrating with all major blockchain exchanges.
Experience and Qualifications:
- Experience with high-volume CSV/data ingestion pipelines.
- Familiarity with performance profiling tools in Ruby.
- Background in DeFi, blockchain , or fintech.
- Side projects that show your love for technical puzzles.