About OKAPI:Orbits

OKAPI:Orbits is an innovative German SaaS startup focused on space sustainability through satellite collision avoidance software, providing end-to-end solutions for Space Situational Awareness (SSA) and Space Traffic Management (STM).

The Role

Develop and maintain scalable, asynchronous backend systems powering OKAPI:Orbits' solutions across mission design, Space Situational Awareness (SSA), Space Traffic Management (STM), Flight Dynamics, and Space Traffic Coordination.

What You'll Do

• Design, develop, and maintain asynchronous, microservice-based backend systems in Java with Python components

• Implement and optimize data processing pipelines handling orbital, telemetry, and mission data

• Design message-based communication between microservices (e.g., RabbitMQ)

• Collaborate with space engineers and scientists to translate mission requirements into scalable solutions

• Own backend architecture ensuring performance, fault tolerance, and maintainability

• Define implementation plans from system design to cloud-native deployment

• Maintain code quality, automated testing, and security/engineering standards

• Improve CI/CD pipelines, observability, and automation for continuous delivery

• Analyze and resolve complex distributed systems issues

Requirements

• Degree in Computer Science, Software Engineering, or IT specialist training

• Several years professional experience in backend development with Java (Spring Boot or similar)

• Good working knowledge of Python for scripting, automation, or data processing

• Solid understanding of microservice architectures and distributed communication patterns

• Experience designing RESTful and message-based APIs (e.g., RabbitMQ)

• Strong grasp of software architecture principles (modularity, scalability, maintainability)

• Hands-on experience with testing, code quality assurance, and secure development

• Familiarity with Git workflows, CI/CD pipelines, and modern DevOps practices

• Knowledge of observability tools (DataDog, Sentry, OpenTelemetry)

• Experience with database technologies (MongoDB, PostgreSQL)

• Background or interest in space/aerospace domain

• Good English (written/spoken)

Nice to Have

• Containerization and orchestration experience (Docker, Kubernetes)

• Understanding of security concepts, encryption, authentication (OAuth2, OpenID Connect)

• Technical leadership and code review experience

What We Offer

• Flat hierarchy and small teams with flexible working hours

• Remote work from Spain (onboarding in Braunschweig)

• Early ownership and influence over technical direction

• Training budget for continuous professional development

• Corporate benefits: BahnCard 25/50, bike leasing, German classes via Lingoda

• Access to space events and conferences

• Free office drinks, monthly company lunch, regular social activities