Experienced Intermediate Software Engineer, Ruby on Rails
Core
Build and evolve a trading journal application for individual traders and proprietary trading firms, integrating broker data and AI-powered analysis features.
Role type
Intermediate Software Engineer (Ruby on Rails)
Builds
A trading journal application with broker integrations and AI-powered analysis features
Domain
Fintech / Trading technology
Deliverable
production ML models
Required skills
Ruby on Rails, database architecture, broker integrations, AI model development, production operations, code review, testing, deployment
Preferred skills
iOS development (Swift), trading/financial markets domain knowledge
Technologies
Ruby on Rails, Claude Code, AI coding tools
Responsibilities
Design, develop, test, and deploy features across the Ruby on Rails application; Own broker and trading-platform integrations; Develop AI-powered features for trading analysis; Create and maintain evaluation processes for AI functionality; Manage full development lifecycle including code review, testing, and deployment; Share production operations including releases and incident resolution; Improve reliability of trading data imports; Shape AI-assisted engineering practices
Seniority
Intermediate, hands-on IC