Senior Backend Engineer - Connectivity at N26

✨ The Stack take on this N26 job

• 🏢 N26 has 139 jobs here, 136 with visa sponsorship see all
• 🛂 Visa: Highly Qualified Professional permit. Education: Higher education degree 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:
- Design, build, and maintain a secure, high-performance unified Edge platform for partner- and customer-facing traffic.
- Implement scalable backend services using JVM languages (Java/Kotlin) and relevant frameworks (e.g., Spring).
- Collaborate with Engineers, SREs, and platform stakeholders to ensure operational ownership, security, and clear governance.
- Improve platform observability, testing, and deployment workflows to make services production-ready and resilient.
- Contribute to architecture and roadmap discussions with pragmatic solutions that respect product constraints.
- Mentor team members, share knowledge, and promote software design best practices and code quality.

Requirements:
- 5+ years of backend engineering experience building production-grade services and systems.
- Strong proficiency in JVM-based languages (Java or Kotlin) and backend frameworks (Spring preferred).
- Solid understanding of microservices, event-driven architectures, REST/gRPC APIs, and system architecture patterns.
- Practical experience with AWS, CI/CD, infrastructure-as-code, and DevOps/SRE principles.
- Commitment to automated testing, documentation, observability, and security best practices.
- Nice to have: Golang or Python experience, Kubernetes deployment experience, and familiarity with AI-related AWS services (SageMaker, Bedrock) or prior AI/ML platform exposure.

Responsibilities

Design, build, and maintain a secure and performant unified Edge platform for all partner and customer traffic. Collaborate with cross-functional teams to deliver robust infrastructure solutions while fostering software design best practices.

Requirements

Requires at least 5 years of backend software engineering experience with proficiency in JVM-based languages like Java or Kotlin. Candidates must have solid experience with cloud-native development, specifically AWS, and familiarity with CI/CD and infrastructure-as-code practices.

Key skills

• Java — in 360 other listings on The Stack
• Kotlin — in 251 other listings on The Stack
• Spring — in 32 other listings on The Stack
• Microservices — in 236 other listings on The Stack
• Event-driven architecture — in 60 other listings on The Stack
• REST APIs — in 63 other listings on The Stack
• gRPC — in 61 other listings on The Stack
• AWS — in 802 other listings on The Stack
• CI/CD
• Infrastructure-as-code
• DevOps
• SRE
• Kubernetes
• Golang
• Python
• System architecture

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

• N26 has 138 other listings on The Stack, 135 of them marked as offering visa sponsorship.
• 76 visa-sponsored jobs in Spain 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 Senior Backend Engineer - Connectivity role still open?

It was posted on 2026-08-25. 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 Spain. It is marked on-site.

What skills does this role ask for?

The listing names: Java, Kotlin, Spring, Microservices, Event-driven architecture, REST APIs, gRPC, AWS, CI/CD, Infrastructure-as-code, DevOps, SRE, Kubernetes, Golang, Python, System architecture.