# Backend Engineer – Core Systems 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: - Own end-to-end development of core banki

- **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:** Kotlin, Spring Boot, Kubernetes, Kafka, Postgres, AWS, Microservice Architecture, Relational Databases, Event-driven Systems, Banking Domain Knowledge
- **Posted by employer:** 2026-07-03
- **Added to The Stack:** 2026-07-04
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://n26.com/en-eu/careers/positions/8035334?gh_jid=8035334 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/backend-engineer-core-systems-n26

## About the role

Responsibilities:
- Own end-to-end development of core banking features (accounts, ledgers, payment logic) that move real money for millions of customers.
- Drive priorities within a cross-functional team, unblock work, and ship steady incremental improvements.
- Deepen domain expertise in payments and ledgers to question and improve system design and correctness.
- Raise issues early with proposed solutions; perform code reviews and share learnings across the team.
- Deliver well-tested, secure, production-grade services on Kotlin + Spring Boot deployed to Kubernetes.

Requirements:
- Strong experience with microservice architectures and relational databases (Postgres preferred).
- Practical experience with Kotlin and Spring Boot or equivalent backend frameworks.
- Familiarity with cloud infrastructure, ideally AWS and Kubernetes for deployment and operations.
- Product-driven mindset, strong ownership, and the ability to work autonomously in English.
- Nice to have: experience with Kafka/event-driven systems and prior payments/fintech or ledger knowledge.

## Responsibilities

Own the end-to-end development of core banking features including accounts, ledgers, and payment logic. Drive priorities within a cross-functional team to ship incremental improvements to systems moving money for millions of customers.

## Requirements

Requires a solid grasp of microservice architecture, relational databases (Postgres), and experience with AWS and Kubernetes. Candidates must be proficient in English and possess a product-driven, self-starting mindset.

## FAQ

- **Is this Backend Engineer – Core Systems role still open?** It was posted on 2026-07-03. 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: Kotlin, Spring Boot, Kubernetes, Kafka, Postgres, AWS, Microservice Architecture, Relational Databases, Event-driven Systems, Banking Domain Knowledge.

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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/8035334?gh_jid=8035334). 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-core-systems-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 – Core Systems at N26, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/backend-engineer-core-systems-n26)".
- Structured data for many jobs at once: https://jobs.trythestack.co/developers/api.md
