Senior Backend Engineer (m/f/d)
Location: Berlin, Germany, Germany Remote, Poland Remote
Department: Development
Your Role
We are looking for a talented Backend Engineer with an interest in telecommunications and a passion for software development and big data technologies. You will be responsible for real-time processing of our data, enabling microservices and supporting the company to work in a fully data-driven environment. The position can be based in emnify’s office either in Berlin, or in Würzburg, or remote in Germany or Poland.
Your Impact
- Work within one of our service squad responsible for designing, building, testing, and running components or projects which drive the pricing & charging of emnify
- Development of APIs and real-time data processing applications based on streaming technologies on the top of Apache Kafka ecosystem with a focus on scalability and reliability
- Work with a team on core telecommunication functions like automated product lifecycle, in a modern cloud-based environment
- Architecture and design of above-mentioned components to run on AWS in a scalable fashion
- As a part of a team, you will be responsible for deploying and running these applications using CI/CD tooling like Jenkins, Terraform and monitoring solutions like Grafana, Prometheus etc
Your Skills
- Experience of full-cycle engineering from POC to production with JVM based languages preferably Scala (large part of our code-base is in Scala).
- Demonstrable experience working with stream/data processing platforms like Kafka streams, Spark (Glue) and/or Flink.
- You have designed at least one or more complex APIs and made major contributions into complex projects running in production.
- Proven expertise in implementing and deploying solutions in cloud environments (with a preference for AWS), ideally using Infrastructure-as-a-code.
- Experience working on relational databases.
Bonus Points
- Interest in telecommunication, Internet of Things, network protocols and SDN
- Happy to contribute to our components running on Node.js (Typescript).
- Work experience in agile development teams
- Having contributed to Open-Source projects (link to github/gitlab project)
- Relevant AWS certification
About emnify
emnify is a global IoT connectivity platform provider, enabling enterprises and OEMs to build, deploy, and operate connected products at scale across 180+ countries. Our cloud-native SuperNetwork powers mission-critical use cases in industries such as mobility, logistics, energy, and industrial IoT.
We are a Series-B scale-up with a strong growth trajectory and a clear focus on upmarket and enterprise customers. emnify’s technology and innovation have been recognized repeatedly by the industry, including:
- eSIM Provider of the Year at the MVNOs World Awards 2025
- Platinum Award for eSIM Management Platform Innovation by Juniper Research (2025)
- IoT Innovator Award by Compass Intelligence for aviation connectivity
- Deloitte Technology Fast 50 Germany, recognizing emnify as one of the country’s fastest-growing tech companies
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