Job Description

We are looking for a passionate Senior Cloud Engineer to strengthen our growing cloud team. In this role, you will take ownership in shaping and evolving our Quantum Cloud - the backbone of Quantum-Systems’ cutting-edge aerial data solutions.


You will design, build, and optimize scalable, secure, and high-performance backend services that empower our unmanned aerial systems (sUAV) to deliver world-class data collection capabilities. With your expertise, you’ll directly contribute to Quantum-Systems’ mission to become the global leader in aerial intelligence.

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What is your Day to Day Mission:

Design, develop, and maintain highly scalable and performant backend systems using cutting-edge technologies. Collaborate with cross-functional teams to understand and implement product requirements. Write clean, maintainable, and well-documented code that adheres to best practices. Troubleshoot and resolve complex backend issues to ensure system uptime and stability. Stay up-to-date with the latest backend technologies and cloud trends. Contribute to the overall architecture and design of our backend systems. Mentor and guide junior developers to help them grow and develop their skills.
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What you bring to the team:

Bachelor's degree in Computer Science, Software Engineering, or a related field. 5+ years of experience in backend development. Strong experience with designing, developing, and deploying cloud-based backend systems. Deep expertise in Azure cloud offerings, including App Service, Functions, and Cosmos DB. Exposure to multi-cloud environments (e.g., GCP, AWS) is a plus. Strong background in relational databases and SQL (e.g., Azure SQL Database, PostgreSQL, MySQL) with hands-on experience in performance tuning, schema design, and query optimization. Strong understanding of modern authentication and authorization protocols (OAuth 2.0, OpenID Connect, PKCE, JWT). In-depth knowledge of RESTful APIs and microservices architectures. Experience with data processing pipelines in a plus. Proven ability to design, implement, and maintain applications leveraging Java and the Spring platform. Ability to work independently and as part of a team. Strong communication and collaboration skills.

Why Quantum-Systems:

We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus. We are industry pioneers who are ambitious, bold, and visionary. We push limits, think outside-the-box and strive for technological excellence to shape the future of aerial data. We promise to be your runway for individual and professional growth.
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Our benefits:

Company pension scheme:

We support you so that you can already make provisions for later.

Flexible working hours:

With trust-based working hours, you are not only responsible for your working hours, but also for your work-life balance.

Mobile working:

If it gets too turbulent for you in our office, you can get the necessary balance through mobile working.

Bike-Leasing:

We support you in staying environmentally mobile and healthy.

Corporate Benefits:

Your opportunity for attractive offers and discounts from well-known suppliers and brands, e.g. Adidas, Apple, Expedia.

Employee events:

We not only want to grow together, but also celebrate our successes together.

Lunch-Card:

Be powerful with delicious energy, daily lunch budget is sponsored.

Company Shuttle:

Enjoy our convenient shuttle service that picks you up from Pasing in Munich and brings you to our location, with return trips at the end of the workday.
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About us:

Quantum Systems specialises in the development, design, and production of small Unmanned Aerial Systems (sUAS). The company’s range of electric vertical take-off and landing (eVTOL) sUAS are built to maximize range and versatility and to provide operators with a seamless user experience. By integrating cutting-edge software capabilities, like edge computing and real-time AI-powered data processing, Quantum Systems is building next-generation UAS for clients in defence, security, public sectors.

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Our commitment:

We are an open-minded company that not only values diversity, but actively promotes it. Regardless of gender, age, ethnic origin, religion, sexual orientation or disability, we firmly believe that the diversity of our employees is an essential part of our success.


At our company, every voice is heard and every perspective is valued. We believe that our differences enrich us and help us to find creative solutions and generate innovative ideas. We pride ourselves on creating an inclusive work environment where all employees can reach their full potential.