Key skills
PostgresRubyRuby on RailsRailsBlockchainCommunication
About this role
Role Overview
- Engineer and optimize high-performance Ruby systems that handle billions of financial transactions, solving deep scaling, data, and code-quality challenges.
- Design and develop scalable backend systems that process billions of financial transactions.
- Provide technical direction across projects and collaborate with product and engineering leads to define priorities and architecture.
- Own project delivery: from design and implementation to performance and reliability in production.
- Refactor and modernize core Ruby systems to improve maintainability, readability, and speed.
- Mentor other engineers through technical reviews, design discussions, and clear documentation.
Requirements
- 8+ years of backend experience with Ruby on Rails at scale
- Proven record improving system performance and code quality
- Strong understanding of data flows and software design principles
- Experience working cross-functionally in async, remote environments
- Clear communication and ownership mindset.
- Bonus: Experience tuning Postgres in production
- Built or optimized data ingestion or reconciliation pipelines
- Open-source contributions to Ruby, Rails, or performance tooling
- Background in fintech, taxtech, open banking, or blockchain systems
Tech Stack
- Postgres
- Ruby
- Ruby on Rails
Benefits
- 32 days of PTO
- Async culture
- Flexible work-schedule
- A culture of high autonomy and ownership