Backend Engineer - AI Developer Platform

About the opportunity

At N26, we are building the internal AI platform that will power the next generation of engineering productivity. Within our Developer Experience (DevEx) organization, a dedicated team is responsible for building AI products used by engineers across the company. From the AI Gateway that connects our systems to multiple LLM providers, to the Skills Marketplace that allows teams to publish reusable AI capabilities, we are creating the foundations for scalable AI adoption across engineering. We are looking for software engineers who enjoy building platforms and internal products, and who want to contribute to shaping how AI is integrated into software development workflows.

In this role, you will:

You will help build the internal AI platform used by engineering teams at N26. This includes: AI Gateway

• Developing the core services that connect internal tools to AI providers
• Implementing routing, cost controls, security policies, and observability
• Building tools that make AI capabilities easy and safe to consume
  

Skills Marketplace

• Contributing to a platform where teams can publish and reuse AI skills
• Supporting discovery, versioning, and governance of AI capabilities
• Enabling composability across different AI-powered tools

AI Developer Tools

• Building services that enable AI-assisted workflows for engineers
• Integrating AI capabilities with internal developer platforms
• Supporting experimentation and iteration on new AI-enabled developer experiences

You will also be:

• Building products that power the internal AI platform
• Designing and implementing solutions used by developer tools and engineering teams
• Collaborating with platform and DevEx teams to integrate AI capabilities into existing systems
• Contribute to scalable, reliable, and secure AI infrastructure
• Work closely with experienced engineers to deliver production-ready solution

What you need to be successful:

Background: You are a backend engineer who enjoys building platforms and developer-facing systems. Skills:

• Solid experience building software products written in languages such as Kotlin, Go, Python, or TypeScript
• Experience working with APIs and distributed systems
• Interest in developer platforms, tooling, or internal products
• Curiosity about AI and how it can improve software development workflows
• Strong collaboration skills and the ability to work within a highly technical team
• Curiosity and willingness to learn new things
• Data driven mindset
  

Nice to have:

• LLM integrations or AI platforms
• Developer tooling or internal platforms
• Observability and platform infrastructure
• Cloud-native systems and modern backend architectures

What’s in it for you:

• Accelerate your career growth by joining one of Europe’s most talked about disruptors .
• Employee benefits that range from a competitive personal development budget, work from home budget, discounts to fitness & wellness memberships, language apps and public transportation.
• As an N26 employee you will have access to a Premium subscription on your personal N26 bank account. As well as subscriptions for friends and family members.
• Additional day of annual leave for each year of service.
• A high degree of autonomy and access to cutting edge technologies - all while working with a friendly team of peers of diverse nationalities, life experiences and family statuses.
• A relocation package with visa support for those who need it.

Who we are

N26 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. Giving people the power to live and bank their way is what gets us out of bed in the morning and inspires the work that we do. We are headquartered in Berlin with offices in multiple cities across Europe, including Vienna and Barcelona, and a 1,500-strong team of more than 80 nationalities.

Sounds good? Apply now for this position.

Equal Opportunities:

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 [email protected] . Visit our website to learn more about Diversity, Equity, & Inclusion at N26.