Lead Backend Engineer - Conversational Banking

N26
Barcelona, Spain
8 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience required
5 years minimum
Working hours
Regular working hours

Tech stack

Java (Programming Language) Artificial Intelligence Amazon Web Services Code Review Continuous Integration DevOps Distributed Systems Python (Programming Language) PostgreSQL GitHub Copilot Spring-boot Generative AI
+4 more
Backend Kotlin Kubernetes Microservices

Job description

About the opportunityYou will be part of the Intelligent, which cross-functional teams power the operations at N26 and in some cases enable other tech teams through a robust platform approach.We are seeking a talented Lead Engineer to join our expanding teams and evolve our product, powered by a microservice architecture predominantly written in Java and Kotlin, using Spring Boot.As a Lead 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.Architect & Build: Design, develop, and maintain high-availability, high-performance web applications that serve as the backbone of our internal operations.Drive the team’s build-it-ship-it attitude by demonstrating healthy engineering practices, writing clean, well-tested, and well-refactored code with the team, and shipping it into production as often as possibleIntegrate AI: Implement new features and integrations with foundational models and automation systems to empower our back-office teams.Scale: Optimize, measure and monitor distributed systems to ensure seamless, continuous software delivery.Mentor & Document: Role model engineering excellence through code reviews, technical documentation, and knowledge sharing in multiple ways, cultivating learning and avoiding knowledge silos in the teamLead initiatives to improve our company-wide engineering culture and discover ways to multiply the effectiveness of the team and the organisationBe involved in recruitment and employer brand projects to help make our engineering team strongerWhat you need to be successful: Quality First: Proven experience in critically using AI coding agents (e.G., Claude Code, Gemini Code, GitHub Copilot) to accelerate delivery without compromising code integrity or security.Technical StackModern backend: 5+ years of experience in building complex distributed systems in Java or/and Kotlin and Springboot/Spring AI.Data & DevOps: Professional experience with PostgreSQL (performance and scalability) and “DevOps mindset” regarding CI/CD pipelines.Experience with AWS and/or Kubernetes is a plus.Knowledge of Python or Generative AI frameworks (Langchain, RAG pipelines) is a plus.Guide a team of mid and senior engineers to milestone delivery by unblocking and mentoring.What’s in it for you:Employee benefits including a competitive personal development budget, work-from-home budget, and discounts for fitness, wellness, language apps, and public transportation.A free Premium subscription on your personal N26 bank account, plus subscriptions for friends and family.Relocation: A relocation package with visa support for those who need it.Who we areN26 has reimagined banking for today’s digital world.Technology and design empower everything we do and it’s how we are building the global banking platform the world loves to use.We’ve eliminated physical branches, paperwork, and hidden fees for an elegant digital experience and supreme savings.

Requirements

Drive the team’s build-it-ship-it attitude by demonstrating healthy engineering practices, writing clean, well-tested, and well-refactored code with the team, and shipping it into production as often as possibleIntegrate AI: Implement new features and integrations with foundational models and automation systems to empower our back-office teams. Scale: Optimize, measure and monitor distributed systems to ensure seamless, continuous software delivery.Mentor & Document: Role model engineering excellence through code reviews, technical documentation, and knowledge sharing in multiple ways, cultivating learning and avoiding knowledge silos in the teamLead initiatives to improve our company-wide engineering culture and discover ways to multiply the effectiveness of the team and the organisationBe involved in recruitment and employer brand projects to help make our engineering team strongerWhat you need to be successful: Quality First: Proven experience in critically using AI coding agents (e.G., Claude Code, Gemini Code, GitHub Copilot) to accelerate delivery without compromising code integrity or security.Technical StackModern backend: 5+ years of experience in building complex distributed systems in Java or/and Kotlin and Springboot/Spring AI.Data & DevOps: Professional experience with PostgreSQL (performance and scalability) and “DevOps mindset” regarding CI/CD pipelines. Experience with AWS and/or Kubernetes is a plus.Knowledge of Python or Generative AI frameworks (Langchain, RAG pipelines) is a plus.Guide a team of mid and senior engineers to milestone delivery by unblocking and mentoring.What’s in it for you:Employee benefits including a competitive personal development budget, work-from-home budget, and discounts for fitness, wellness, language apps, and public transportation.

About the company

About the opportunityYou will be part of the Intelligent, which cross-functional teams power the operations at N26 and in some cases enable other tech teams through a robust platform approach.We are seeking a talented Lead Engineer to join our expanding teams and evolve our product, powered by a microservice architecture predominantly written in Java and Kotlin, using Spring Boot., Who we areN26 has reimagined banking for today’s digital world. Technology and design empower everything we do and it’s how we are building the global banking platform the world loves to use. We’ve eliminated physical branches, paperwork, and hidden fees for an elegant digital experience and supreme savings.

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Apply on www.buscojobs.com.es
Prepare application

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:22 min

Analyzing differences between mobile and traditional backend DevOps

Mete Baydar Mete Baydar ¡ World Congress 2025

3:09 min

Understanding Kotlin Multiplatform and its compiler targets

Petar Marijanović · LIVE

2:32 min

Refactoring bulk frontend operations into scalable backend methods

Noam Honig ¡ LIVE

2:10 min

Driving AI implementation for scalable customer support

Markus Hacker Markus Hacker +1 ¡ World Congress 2025

1:38 min

Transitioning into backend engineering from web development

Stefan Lingler Stefan Lingler +1 ¡ Coffee With Developers

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Defining DevOps through its historical origins and foundational texts

Sonal Patil ¡ LIVE

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