Senior Software Engineer (Fintech)

TL;DR

Senior Software Engineer (Fintech): Building and scaling secure banking and savings platforms with an accent on distributed systems, high-availability APIs, and microservices architecture. Focus on owning the full product lifecycle from design to production, ensuring system reliability in a highly compliant environment.

Location: Must be based in the EU with working rights. Hybrid option available in Paris (Bourse) or remote within Europe. Sponsorship available for relocation to France only.

Compensation: €100,000 – €130,000 + Equity

Company

A crypto-native bank and YC-backed startup democratizing Bitcoin and rebuilding financial systems for over 300,000 users.

What you will do

• Own complex technical initiatives from discovery through production.
• Drive architectural decisions for savings and banking platforms.
• Collaborate with Product and Design to influence technical direction.
• Ship high-quality, scalable, and reliable systems daily.
• Ensure system reliability, security, and long-term maintainability.
• Lead improvements across infrastructure, security, and developer tooling.

Requirements

• 5+ years of professional software engineering experience.
• Must be based in the EU with valid working rights.
• Strong architectural and distributed systems fundamentals.
• Experience building highly-available and resilient APIs.
• Experience in cloud-native and microservices environments.
• High ownership mindset and ability to operate autonomously.

Nice to have

• Experience in fintech or regulated environments.
• Proficiency in French.

Culture & Benefits

• Flexible working hours.
• Top-tier health insurance with 100% employer contribution.
• Monthly team activities and bi-annual offsites.
• Swile meal vouchers.
• Competitive salary and stock options.

Hiring process

• Introductory call, engineer call, take-home task with review, system design interview, and behavioral interview.