Senior Backend Developer (Java / Spring) Remote · Full-time

InhubberGermany1 day ago

Full-timeRemote FriendlyEngineering, Information Technology

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Senior Backend Developer (Java / Spring)

Remote

Full-time

We are looking for a Senior Backend Developer who enjoys building reliable, scalable production systems and solving complex backend engineering problems.

This role is for engineers who have designed and operated real backend systems in production, understand system architecture, performance, and reliability, and take ownership of services from design to deployment and operation.

You will work on backend systems that require clean architecture, operational reliability, and long-term maintainability.

Responsibilities

Design and implement scalable backend architectures
Develop and maintain high-performance REST APIs
Ensure system scalability, reliability, and performance
Implement secure backend systems (authentication, authorization, RBAC, encryption)
Troubleshoot and resolve production incidents
Maintain logging, monitoring, and observability
Contribute to architecture decisions and engineering standards

Required Experience

Senior-level backend development experience
Strong architecture and system design skills
Experience building and operating production backend systems
Strong understanding of scalability, performance, and reliability
Commitment to clean, maintainable code and modern development practices
Experience with security-relevant topics (authentication, authorization, RBAC, encryption)
Experience in production troubleshooting and debugging

Nice to have

DevOps or infrastructure experience

Tech Stack

Backend

Java Enterprise / Jakarta / Spring (Validation, Dependency Injection, Annotations)

APIs

RESTful APIs
JSON-API

Processing

Synchronous and asynchronous processing

Persistence

MongoDB
S3 / Object storage

Workflow

Process engines
BPMN workflows

Observability

ELK stack (logging and full-text search)

Infrastructure

Docker
DigitalOcean
AWS
Azure
Nginx

Testing

API testing with Cypress

Who Should Apply

Engineers with several years of backend production experience
Developers who have designed systems, not only implemented tasks
Engineers comfortable with ownership of production services
Developers experienced with scalability, performance, and reliability challenges

Who This Role Is NOT For

This position is not suitable for:

Junior or entry-level developers
Developers without production backend system experience
Candidates whose experience is primarily frontend or scripting
Developers without Java / Spring production experience

Short Technical Challenge (Application Step)

To help us understand your experience, please include short answers to the following questions when applying:

Describe one backend system you designed or architected that runs in production.
What was the largest scale of this system? (users, requests per second, or data volume)
Describe one production incident you personally investigated and resolved.

Applications that include specific technical details and measurable scale will be prioritized.

Key Skills

Ranked by relevance

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