Backend Engineer – Core Systems 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.

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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.

Key skills

• Kotlin — in 251 other listings on The Stack
• Spring Boot — in 147 other listings on The Stack
• Kubernetes — in 585 other listings on The Stack
• Kafka — in 173 other listings on The Stack
• Postgres — in 69 other listings on The Stack
• AWS — in 802 other listings on The Stack
• Microservice Architecture — in 32 other listings on The Stack
• Relational Databases — in 74 other listings on The Stack
• Event-driven Systems
• Banking Domain Knowledge

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 – 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.