10h ago
Staff Backend Product Engineer
Madrid
$90k-$140k / year
full-timesenior Hybridfinance
🛠 Tech Stack
💼 About This Role
You'll own integrations end-to-end for a global e-invoicing platform operating in 25+ countries. You'll research new markets, design and build services in Go, and make product decisions that shape what we ship. This role offers direct impact on hyper-growth and the chance to work with a founding CTO from a major tech company.
🎯 What You'll Do
- Investigate new country regulations and technical docs
- Design and build integrations in Go on modular architecture
- Drive product decisions: scope, prioritize, and ship
- Support customers using your Apps and iterate based on feedback
📋 Requirements
- 10+ years building backend systems
- Fluent English as internal working language
- Strong product judgment under ambiguity
- Customer empathy and ability to translate feedback into decisions
✨ Nice to Have
- Experience with Golang
- Experience with distributed systems or complex domains
🎁 Benefits & Perks
- 📈 Real ownership: research, decide, build, ship, and support your own Apps
- 🤝 Work closely with Sam Lown (founding CTO of Cabify) and a small, high-bar team
- 🚀 Hyper-growth: 15 launches planned in 2026 and 3x growth goal
- 🔬 Full room to experiment with frameworks, databases, schemas, AI tools
- 🏢 No politics: product, taste, and good ideas win
📨 Hiring Process
Intro call (30 min), optional take-home exercise, technical interview (1h), final in-person interview (1h).
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