Space Backend Engineer (Python/Java) | Flexible Hours

OKAPI:Orbits GmbH; Barcelona; Híbrido; EUR 60.000 - 95.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible hours

Lean hierarchy

Spain/Barcelona option

Training budgets

Team events

Descripción de la vacante

OKAPI:Orbits GmbH in Barcelona is seeking a backend engineer to design and maintain scalable asynchronous microservice backends. You will work primarily on Python-based external projects and Java Spring Boot products, building robust systems that process orbital, telemetry, and mission data to power reliable APIs and automation.

You will collaborate with space engineers and scientists, own parts of the backend architecture, improve CI/CD, testing, security, and observability, and help drive

Formación

• 2+ years of professional experience with Python for backend development, scripting, automation, or data processing
• 2+ years of professional experience in backend software development with Java (Spring Boot or comparable)
• Solid understanding of microservice architectures, asynchronous systems, and distributed communication patterns
• Practical experience with testing and code quality assurance
• Experience with, or willingness to quickly get up to speed on, message-based communication between services (e.g., RabbitMQ) and containerization (Docker)
• Ability to independently plan, implement, and review complex features in close collaboration with engineers and scientists
• Proactive communication, structured way of working, and good written and spoken English

Responsabilidades

• Design, develop, and maintain asynchronous, microservice-based backend systems, primarily in Python for external customer projects and in parallel in Java Spring Boot for our products
• Implement and optimize data processing and distribution pipelines that handle large volumes of orbital, telemetry, and mission data
• Design and maintain message-based communication structures between microservices (e.g., via RabbitMQ or comparable message brokers)
• Collaborate closely with space engineers and scientists to translate mission-related requirements into scalable, robust software solutions
• Share responsibility for the backend architecture across both tech stacks, with a focus on performance, fault tolerance, and maintainability
• Plan and document implementation steps, from system architecture through deployment in a cloud-native environment
• Ensure code quality, automated testing, and adherence to security and development standards
• Advance CI/CD pipelines, observability, and automation to support stable, continuous releases
• Analyze and resolve complex issues in distributed systems with a focus on efficiency and reliability
• Work within small, interdisciplinary teams, contributing your backend expertise to cross-functional projects

Conocimientos

Python backend

Java Spring Boot

Microservices

Asynchronous systems

Message brokers

Docker

Kubernetes

Testing

English communication

Educación

Computer Science degree

Fachinformatiker training

Herramientas

RabbitMQ

Docker

Kubernetes

Descripción del empleo

OKAPI:Orbits GmbH in Barcelona is seeking a backend engineer to design and maintain scalable asynchronous microservice backends. You will work primarily on Python-based external projects and Java Spring Boot products, building robust systems that process orbital, telemetry, and mission data to power reliable APIs and automation.

You will collaborate with space engineers and scientists, own parts of the backend architecture, improve CI/CD, testing, security, and observability, and help drive