Backend Developer (Java & Python, Microservices)

United States Digital Space LLC; München; Vor Ort; EUR 70.000 - 100.000; Vollzeit

Benefits dieser Stelle

Flat hierarchy

Small teams

Flexible working hours

Onboarding in Braunschweig

On-site work in Munich

Training budget

Zusammenfassung

United States Digital Space LLC seeks a backend engineer to design and maintain scalable microservice-based backends in Python and Java Spring Boot. You will implement data pipelines, messaging between services, and collaborate with space engineers to deliver robust APIs for satellite operations.

The role emphasizes cloud deployment, CI/CD, testing, and secure, maintainable software with strong distributed systems skills. On-site collaboration in a dynamic space tech team is expected.

Qualifikationen

• Degree in Computer Science, Software Engineering, or related field, or completed vocational training as an IT specialist (Fachinformatiker).
• 2+ years of professional Python backend development experience.
• 2+ years of backend Java development experience with Spring Boot or similar.
• Strong understanding of microservice architectures and asynchronous/distributed patterns.
• Experience with testing and code quality assurance.
• Experience with message-based communication (RabbitMQ) and Docker.
• Ability to plan and review complex features with engineers and scientists.
• Fluent English in writing and speaking.

Aufgaben

• Design, develop, and maintain asynchronous, microservice-based backends in Python for external projects and in Java Spring Boot for our products.
• Implement and optimize data processing pipelines for large orbital and mission data.
• Design and maintain message-based communication between microservices (RabbitMQ or equivalent).
• Collaborate with space engineers and scientists to translate requirements into scalable software.
• Share responsibility for backend architecture across tech stacks focusing on performance and maintainability.
• Plan and document deployment steps in cloud-native environments.
• Ensure code quality, testing, and security standards, and advance CI/CD and observability.

Kenntnisse

Python

Java Spring Boot

Microservices

Distributed systems

Testing & QA

RabbitMQ

Docker

English

Ausbildung

Degree in Computer Science or Software Engineering

Fachinformatiker (IT specialist)

Tools

Docker

RabbitMQ

Kubernetes

Jobbeschreibung

Your missionYour mission is to design and maintain a scalable, asynchronous backend that powers the company' end-to-end solutions across mission design, Space Situational Awareness (SSA), Space Traffic Management (STM), Flight Dynamics (FD), and Space Traffic Coordination (STC), supporting satellite operators throughout their entire mission lifecycle.

You'll work primarily on external customer projects with a Python-based tech stack, while also contributing in parallel to our products built on Java Spring Boot. You design and implement robust microservices that process and distribute large volumes of orbital and telemetry data to deliver reliable APIs and automation processes. You already bring solid experience and take independent ownership of parts of the backend architecture across both environments.

You'll work on the systems that enable satellite operators and space agencies to analyze, coordinate, and protect their missions in an increasingly crowded space environment.

Studies show that women are less likely to apply for a position if they don't meet 100% of the requirements. Please know that we explicitly encourage you to apply if this applies to you, as long as you bring a passion for space technology, reliable software development, and sustainable use of space.the company already brings together a highly diverse team and is actively committed to growing that diversity further, since studies show that heterogeneous teams achieve better results and drive innovation.

Your tasks and responsibilities

• 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

Your profileMust-haves

• Degree in Computer Science, Software Engineering, or a related field, or completed vocational training as a Fachinformatiker (IT specialist)
• At least 2 years of professional experience with Python for backend development, scripting, automation, or data processing
• At least 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 or comparable message brokers) 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

Nice-to-haves

• Experience with orchestration, particularly Kubernetes
• Experience with code reviews and adherence to coding standards
• Solid understanding of software architecture principles, including modular structure, scalability, and maintainability
• Experience with secure software development
• Background in or interest in the space or aerospace sector

Why us?

• Flat hierarchy, small teams, flexible working hours
• Onboarding in Braunschweig, followed by on-site work inMunich
• Up to 30 days' vacation& up to 30 days' workation per year
• Early responsibility, influence on the technical direction
• Training budget for your personal development
• Career paths to support and promote your long-term development
• Corporate benefits (brand discounts, travel discounts, concert tickets, etc.)
• Free German language course
• Bahncard (25 within Braunschweig, 50 outside)
• Bike leasing
• Company pension scheme
• Subsidy towards Hansefit / Wellpass membership
• Participation in space events and conferences to promote sustainable space travel

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