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# Senior/Staff - Backend Engineer - Remote Friendly

- **Company:** Qonto
- **Location:** Barcelona, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Architectural Patterns, Software Quality, Ruby, Service-Oriented Architecture, Systems Architecture, Web Applications, ReactJS, Backend, Domain Driven Design
- **Published:** September 16, 2026
- **Apply:** https://www.buscojobs.com.es/senior-staff-backend-engineer-remote-friendly-en-barcelona-ID-372110981

## About the Role

Requisitos principalesSolid experience as a software engineer on user-facing products
Experience with architectural patterns of large, high-scale web applications
Problem solver with product-driven mindset
Strong focus on code quality, testing and reviews
Curiosity and willingness to learn
Good communication and teamwork with non-technical colleagues
Fluent in English
Team player
Communication skills
Curiosity
Go
Ruby
React.js

## Description

OverviewAs a Backend Engineer at Qonto, you will build scalable APIs and robust banking services within a cross-functional Product Engineering team.You'll co-own the systems architecture and focus on delivering high-quality, well-documented code to meet user and stakeholder needs.You'll mentor peers and contribute to a culture of quality, ownership, and continuous improvement.This role offers meaningful impact in a fast-paced environment with a global engineering community.Compensaciones / BeneficiosCompetitive salary packageMeal vouchersPublic transportation reimbursementHealth insuranceEmployee well-being initiativesChildcare benefits with partnersResponsabilidadesDesign, develop, deploy and maintain applications to meet team and stakeholder goalsProduce high-quality, well-documented codeCo-own services architecture, resilience, scalability and robustness following Domain-Driven Design principlesGrow technical leadership and mentor other engineersRequisitos principalesSolid experience as a software engineer on user-facing productsExperience with architectural patterns of large, high-scale web applicationsProblem solver with product-driven mindsetStrong focus on code quality, testing and reviewsCuriosity and willingness to learnGood communication and teamwork with non-technical colleaguesFluent in EnglishTeam playerCommunication skillsCuriosityGoRubyReact.js


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