🚀 Backend Engineer (RoR) - Growth Team
3Commas.io | Estonia, Cyprus, Spain (Remote OK)
About us:
Leading crypto trading automation platform serving millions of traders. Integrated with 15+ exchanges (Binance, OKX, Coinbase). AI-driven bots, TradingView integrations, enterprise-grade infrastructure.

Team & Role:
Growth-focused team driving user acquisition and conversion:
- Optimize registration and onboarding funnels
- Convert free users → paid subscribers
- A/B testing and growth metrics
- Educational systems for new traders

Tech Stack: Ruby on Rails, PostgreSQL, AWS, Redis, React/TypeScript

Requirements:
✅ 4+ years Ruby on Rails production experience
✅ PostgreSQL, AWS hands-on experience
✅ External API integrations experience
✅ Understanding code → business metrics connection
✅ English B2+

Nice to have:
SaaS/subscription products experience
Growth engineering background
Willingness to evolve into fullstack (React)
Interest in crypto/trading

Process:
HR screening → Take-home test (2-3 hours) → Technical interview → EM interview
Feedback at each stage, 1-2 weeks total timeline.

What we offer:
Direct product impact (millions of users)
T-shaped engineer growth (backend → fullstack)
International team, flexible schedule
Competitive salary, modern equipment

Apply:
Send CV + brief note about your SaaS experience and what attracts you to growth engineering.
#ruby #ror #backend #fintech #crypto #estonia #cyprus #spain #remote #vacancy