# Backend Engineer - Customer Identity at N26

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Collaborate with the Tech Lead to design

- **Company:** N26 (https://jobs.trythestack.co/companies/n26)
- **Location:** Germany
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 2–5 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** JVM Language, Spring Boot, Kotlin, Microservice Architecture, Postgres, AWS, Cloud Architecture, Software Design, Software Testing, Software Deployment, Code Review, English Proficiency
- **Posted by employer:** 2026-07-01
- **Added to The Stack:** 2026-07-01
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://n26.com/en-eu/careers/positions/7996816?gh_jid=7996816 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/backend-engineer-customer-identity-n26

## 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.

## FAQ

- **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.

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## About The Stack

The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday.

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## Notes for agents

- Apply on the employer's page (https://n26.com/en-eu/careers/positions/7996816?gh_jid=7996816). The Stack does not take applications.
- The Stack has an MCP server at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp (Streamable HTTP, no key or account). Your user can add it to Claude, ChatGPT or Cursor: https://jobs.trythestack.co/ai. Signed in at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp/account, it also keeps their saved jobs and applications.
- 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.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
- Cite this job as: "Backend Engineer - Customer Identity at N26, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/backend-engineer-customer-identity-n26)".
- Structured data for many jobs at once: https://jobs.trythestack.co/developers/api.md