Senior Backend Engineer – Python / Django

Would you like to join a

fast-growing international fintech startup

with a product already handling hundreds of millions of euros? We are looking for a

Senior Backend Engineer

who wants to have a

high impact from day one

and be part of a small, international, and highly collaborative team.

What you’ll do

Design and

scale resilient, efficient backend systems

Write

clean, high-quality code in Python / Django

(hands-on, daily coding).

Take ownership of

architecture and infrastructure decisions

(AWS : RDS, ECS, Kafka, synchronous / asynchronous tasks).

Collaborate with a multidisciplinary team (backend, frontend, product, security, data).

Contribute to the evolution of a product with

150,000+ users

, growing at double-digit rates month over month.

What they’re looking for

Solid experience in

Python

(Django is a plus, but not strictly required).

Strong knowledge of

AWS infrastructure

and distributed systems.

Previous experience in

startups or scaleups

with growing products.

Ownership mindset and ability to bring technical vision.

Strong English communication skills.

Bonus : interest in AI development platforms (e.g., Cursor).

What they offer

Competitive salary.

Real impact on a fintech product that helps thousands of people.

Open, collaborative, and highly international culture (team members from across Europe and LatAm).

Office in the heart of 22@ (Barcelona), just three blocks from the beach.

2 days of teleworking per week.

Dynamic environment with afterworks, team events, and two company-wide gatherings per year.