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 at scale

• Design message-based communication between microservices (RabbitMQ or similar)

• Collaborate with space engineers and scientists translating mission requirements into software solutions

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

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

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

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

• Analyze and resolve complex distributed system issues

Requirements

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

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

• 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 (RabbitMQ)

• Strong grasp of software architecture principles: modularity, scalability, maintainability

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

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

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

• Database technology experience (MongoDB, PostgreSQL)

• Space or aerospace domain background or interest

• Fluent English (written/spoken)

Nice to Have

• Containerization and orchestration experience (Docker, Kubernetes)

• Security concepts, encryption, authentication understanding (OAuth2, OpenID Connect)

• Technical leadership and code review experience

What We Offer

• Flat organizational hierarchy with small teams and flexible scheduling

• Hybrid work arrangements (Brunswick/Munich options)

• Early ownership and influence over technical direction

• Professional development training budget

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

• Space events and conference participation

• Free office beverages, monthly company lunches, regular team social activities