Backend Engineer - Customer Identity at N26

✨ The Stack take on this N26 job

• 🏢 N26 has 139 jobs here, 136 with visa sponsorship see all
• 🛂 Visa: EU Blue Card. Minimum salary: €50,700 a year guide
• 💡 No salary shown. Ask N26 if it is above the minimum.

Updated 2026-11-05, from our data and official sources.

Apply with your AI assistant

With The Stack connected to Claude, ChatGPT or Cursor, paste this. Your assistant tailors your CV and cover letter, checks the visa facts and gives you the apply link.

Help me apply to this job on The Stack: https://jobs.trythestack.co/jobs/backend-engineer-customer-identity-n26

Not connected yet? Connect in a minute. To help your user apply, call the MCP tool prepare_application with slug "backend-engineer-customer-identity-n26": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.

About the role

Responsibilities:
- Collaborate with the Tech Lead to design, implement, test, and deploy customer identity verification features.
- Build and maintain backend services using JVM/Spring Boot; contribute to microservice design and APIs.
- Ensure security, privacy, and regulatory compliance in identity flows; write and review secure code.
- Mentor junior engineers, enforce code quality via reviews, and keep documentation and tests up to date.
- Participate in incident response, monitoring, and operational improvements.

Requirements:
- Professional experience developing large-scale systems with a JVM language and Spring Boot (Kotlin is a plus).
- Solid understanding of microservice architectures and relational databases (Postgres preferred).
- Practical experience with cloud environments (AWS preferred) and modern deployment practices.
- Strong testing mindset: unit, integration, and end-to-end testing practices.
- Full professional proficiency in English and strong collaboration skills.
- Security-aware, action-oriented, and motivated to write well-tested, well-documented code.

Responsibilities

Develop and maintain secure, frictionless customer identity verification products within a cross-functional team. Collaborate on architecting new features and mentor junior engineers through code quality assurance.

Requirements

Requires experience with JVM languages, Spring Boot, and microservices in large-scale production environments. Proficiency in Postgres, AWS, and English is expected, along with a strong focus on security and testing.

Key skills

• JVM Language — in 13 other listings on The Stack
• Spring Boot — in 147 other listings on The Stack
• Kotlin — in 251 other listings on The Stack
• Microservice Architecture — in 32 other listings on The Stack
• Postgres — in 69 other listings on The Stack
• AWS — in 802 other listings on The Stack
• Cloud Architecture — in 80 other listings on The Stack
• Software Design — in 27 other listings on The Stack
• Software Testing
• Software Deployment
• Code Review
• English Proficiency

On The Stack (as of 2026-11-05)

• N26 has 138 other listings on The Stack, 135 of them marked as offering visa sponsorship.
• 166 visa-sponsored jobs in Germany on The Stack, posted in the last 60 days.
• 68 visa-sponsored backend engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about N26

Is this Backend Engineer - Customer Identity role still open?

It was posted on 2026-07-01. Listings more than 30 days old may no longer be active, so check N26's site before applying.

Does N26 offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on N26's site.

Where is this role located?

The listing gives the location as Germany. It is marked on-site.

What skills does this role ask for?

The listing names: JVM Language, Spring Boot, Kotlin, Microservice Architecture, Postgres, AWS, Cloud Architecture, Software Design, Software Testing, Software Deployment, Code Review, English Proficiency.