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# Backend Engineer

- **Company:** Búsqueda Avanzada
- **Location:** Barcelona, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Biometrics, Software Quality, Java Virtual Machine (JVM), PostgreSQL, Software Engineering, Spring-boot, Backend, Kotlin, Non-relational Database, Microservices
- **Published:** July 25, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

+ Experience in developing software using a JVM language and Spring Boot in large-scale production systems (note: experience of Kotlin would be a plus)
 + Sound understanding of microservices architecture
 + Knowledge of both relational and non-relational databases, preferably Postgres
 + Appreciation of working in a modern cloud architecture, preferably with AWS
 + Full professional proficiency in English
 + Strong bias for action, and getting things done
 + Ongoing appreciation and consideration for security
 + Motivation to write code which is well-tested and well-documented
 + Give and receive open, direct and timely feedback

## Description

We achieve this through robust customer identity verification, proactive risk management, and seamless customer support. This foundation enables N26 to achieve sustainable growth while maintaining the highest levels of trust with our customers and regulators.
The Customer Identity segment is central to this mission. We own the full identity verification stack that powers N26's customer onboarding - from KYC verification orchestration and provider integrations (video identification, document verification, biometric screening) to the regulatory compliance checks that keep our banking licence in good standing. Our systems operate at scale across multiple European markets, processing high volumes of verifications while meeting strict AML, KYC, and GDPR requirements.
We are currently in an active architectural modernisation phase: consolidating our provider integration layer, hardening our orchestration service, and rationalising domain ownership across teams - giving engineers meaningful work on systems that directly affect every new N26 customer.
Our cross-functional teams are passionate about collaboration and sharing knowledge, as well as working with a high degree of autonomy.
As a Backend Engineer at N26, you will be encouraged to embrace the latest technological updates and given a platform to work on complex, interesting problems on a daily basis.

In this role, you will:

 + Collaborate closely with your Tech Lead on architecting new features and seeing them through to completion.
 + Design, develop, test, deploy and maintain software in a thriving environment.
 + Have opportunities to mentor junior members in the team by relentlessly guarding code quality through pull requests and helping them when they have questions.
 + Stay up to date with the latest trends in technology and you are not afraid to propose some findings during our Get Stuff Done Days.
 + Work within your cross-functional team to uphold the highest technical standards right across the product, We recognize that our strength lies in our people and the varied perspectives they bring to our workforce. We strive to build talented and diverse teams to drive our business success and empower our people to reach their full potential.
We genuinely welcome and encourage applications from people of all backgrounds, cultures, genders, sexual orientations, abilities, neurodiversities, and ages. We're committed to creating an inclusive workspace where everyone feels valued and respected, free from harassment and discrimination. If there's anything you need to make the application process work for you, please let us know by reaching out to candidate.exp@n26.com.
Visit our website to learn more about Diversity, Equity, & Inclusion at N26.
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