All positions
Lead Backend Engineer - Assistance
Department:Tech - Assistance
Location:Barcelona, Berlin
About the opportunity
You will be part of the Intelligent Operations Platforms (IOP) or the Assistance segments, 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.
Our cross-functional teams are passionate about collaboration and sharing knowledge, as well as working with a high degree of autonomy.
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.
In this role, you will:
- Directly impact your team’s tech scope: work hand in hand with PM and EM to manage product technical roadmaps and dependencies to minimise technical debt.
- Architect & Build: Design, develop, and maintain high-availability, high-performance web applications that serve as the backbone of our internal operations.
- Foster tech-solid delivery: 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 possible
- Integrate 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 team
- Lead initiatives to improve our company-wide engineering culture and discover ways to multiply the effectiveness of the team and the organisation
- Be involved in recruitment and employer brand projects to help make our engineering team stronger
What you need to be successful:
Engineering Mindset & Design
- Design Patterns: A firm grasp of object-oriented programming, distributed systems principles and methodologies like DDD using architecture design patterns like Hexagonal, Event-Driven and Microservices.
- Quality First: A strong track record of using engineering best practices, including Clean Code, TDD/BDD, and deep observability.
- AI-Augmented Development: 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 Stack
- Modern backend: 5+ years of experience in building complex distributed systems in Java or/and Kotlin and Springboot/Spring AI.
- API Design: Solid experience designing and implementing robust REST APIs.
- 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.
- Bonus Points: Knowledge of Python or Generative AI frameworks (Langchain, RAG pipelines) is a significant plus.
Leadership & Soft Skills
- Bias for Action: A "can-do" attitude with a focus on product understanding to ensure continuous improvement and successful delivery.
- Effective leadership: Guide a team of mid and senior engineers to milestone delivery by unblocking and mentoring.
- Collaborative Spirit: Strong collaborative spirit with a commitment to knowledge sharing and mutual growth.
- Communication: Clear written and verbal communication skills, essential for a What you need to be successful:
- Strong ownership: A sense of independence and an ability to establish structures or processes to adapt to a constantly evolving domain and environment-
What's in it for you:
- Accelerate your career growth by joining one of Europe's most talked-about disruptors.
- 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.
- Vacation: An additional day of annual leave for each year of service.
- Autonomy: A high degree of autonomy and access to cutting-edge technologies.
- Relocation: A relocation package with visa support for those who need it.