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Senior Ruby Engineer in London - Koinly

WorksHub
London, UK
3 days ago
Apply on www.collegerecruiter.com
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Working hours
Regular working hours
Job source
www.collegerecruiter.com

Tech stack

Profiling Blockchain Ruby Data Pipelines

Requirements

  • 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.

About the company

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.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.collegerecruiter.com
Prepare application

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

Moments

Explore playlists

50 sec

Why developer happiness matters in web frameworks

Eileen Uchitelle Eileen Uchitelle +1 · Coffee With Developers

47 sec

Profiling native execution calls with async-profiler

Gonzalo Ortiz Jaureguizar Gonzalo Ortiz Jaureguizar · World Congress 2026 Europe

4:12 min

Using contract managers for blockchain operations

Soumaya Erradi · LIVE

43 sec

Software engineering journey and local Manchester roots

Jonathan Tang · Coffee With Developers

3:30 min

Falling in love with Ruby and creating Basecamp

David Heinemeier Hansson David Heinemeier Hansson +1 · Coffee With Developers

2:17 min

Comparing code profiling with surface level monitoring

Jérôme Vieilledent · LIVE

Videos

See all
Always on the Right Track with Rails with Eileen Uchitelle, Senior System Engineer at GitHub thumbnail
19:41
Coffee With Developers • over 8 years ago

Always on the Right Track with Rails with Eileen Uchitelle, Senior System Engineer at GitHub

Eileen Uchitelle, Thomas Pamminger

Coffee with Developers: David Heinemeier Hansson thumbnail
1:12:14
Coffee With Developers • over 2 years ago

Coffee with Developers: David Heinemeier Hansson

David Heinemeier Hansson, Thomas Pamminger

Profiling Symfony & PHP apps with Blackfire thumbnail
1:56:08
LIVE • almost 5 years ago

Profiling Symfony & PHP apps with Blackfire

Jérôme Vieilledent

Pragmatic Blockchain Design Patterns: Integrating Blockchain into Business Processes thumbnail
25:42
World Congress 2025 • about 1 year ago

Pragmatic Blockchain Design Patterns: Integrating Blockchain into Business Processes

Michiel Mulders

Coffee with Developers - Adam Wiggins thumbnail
27:20
about 2 years ago

Coffee with Developers - Adam Wiggins

Coroutine explained yet again 60 years later thumbnail
30:43
World Congress 2023 • almost 3 years ago

Coroutine explained yet again 60 years later

Mikhail Maslo

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