Senior Backend Engineer (d/f/m)

Radiosphere; Berlin; Hybrid; EUR 80.000 - 110.000; Vollzeit

Zusammenfassung

radiosphere GmbH in Berlin develops an all-in-one audio software for the streaming market and serves radio stations worldwide. You will join cross-functional teams with backend, mobile, and analytics developers to build real-time services and scalable architectures.

The role emphasizes working in a remote-friendly culture while being based in Kreuzberg, Berlin, with opportunities to grow in a dynamic, creative environment and contribute to a future-proof radio software platform.

Qualifikationen

• MSc in Computer Science or related field.
• Experience with Java and Kotlin-based microservice architectures on Kubernetes.
• Experience with PostgreSQL, Cassandra, Elasticsearch or Druid.
• Exposure to real-time and distributed systems is advantageous.
• Strong collaboration and clear communication within teams.

Aufgaben

• Build real-time services for millions of radio listeners.
• Improve and maintain CI/CD pipelines in collaboration with backend engineers.
• Contribute to scalable, high-quality software and architecture decisions.

Kenntnisse

Java

Kotlin

Microservices

Kubernetes

CI/CD

Real-time systems

Distributed systems

Teamwork

Ausbildung

MSc in Computer Science or related field

Tools

PostgreSQL

Cassandra

Elasticsearch

Druid

Jobbeschreibung

We build the full-stack streaming and publishing suite enabling radio stations worldwide to address and deeply engage their audiences digitally and build a future-proof business. Founded as a corporate start-up of the radio station FluxFM, radiosphere GmbH has been developing an all-in-one audio software for the growing streaming market since 2019.

At radiosphere, we are working in cross-functional teams consisting of backend, mobile, audio processing and analytics developers, using various modern tech stacks. Cross-domain knowledge is highly appreciated but not a requirement.

We are based in the heart of Kreuzberg, Berlin but have a flexible, remote-friendly culture. Diversity and open expression are fundamental to our company. You will work together with a team of dynamic, creative and highly motivated people in a surrounding where you can improve and challenge yourself.

Mission

As part of our team, your mission is to build real-time services for millions of radio listeners worldwide.

Outcomes

• You implemented features allowing us to bring radio to the next level with highly-scalable code quality and architecture
• You developed and improved our CI/CD Pipeline in close collaboration with our Backend Lead Engineer
• You put your skills to the test, have grown and learned rapidly in the process
• MSc in Computer Science or related (engineering/mathematics /IT) and/or comparable experience in IT projects
• Software engineering is your passion
• Experience in working with java and kotlin based microservice architecture running on a Kubernetes cluster.
• Experience in deployment with databases like PostgreSQL, Cassandra, Elasticsearch, and Druid
• Master multiple languages and used various development paradigms throughout your career
• Databases are not only black boxes for you
• Experience in real-time and distributed systems is highly advantageous
• Know how to test your software, but also when it’s necessary
• Team player with a clear communication style
• Thinking outside the box
• Drive to actively shape projects with your creative ideas