Job
In this role, you will design the cloud-native 5G SA core, implement software components in C++, Go, or Java, and manage roaming scenarios for IoT devices across a global network.
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Your role in the team
- As part of the larger Engineering department, the Core Network team builds and operates the heart of emnify's SuperNetwork - the mobile core that keeps millions of IoT devices connected across 180+ countries.
- As we evolve our platform towards a cloud-native 5G Standalone (SA) core, we're looking for a hands-on 5G SA expert to help us design, build, and run it.
- As an Expert engineer with deep 5G SA expertise, you'll take technical ownership of the core network functions and roaming scenarios that make global IoT connectivity work.
- You'll set the technical direction for our 5G SA core while staying hands-on - designing, implementing, testing, and troubleshooting the software components that run in production at scale.
- You will work closely with engineers across squads, share your expertise, and raise the bar for how we build cloud-native telecommunications software.
- You will architect, design, and build software components using AI-agentic workflows for emnify's cloud-native 5G Standalone core in C++, Go, or Java — implementing and operating network functions (NFs) and the service-based interfaces between them, and integrating into the overall emnify platform OSS and BSS.
- You will be responsible for end-to-end 5G roaming scenarios, designing and implementing signaling and interworking to ensure IoT devices stay connected as they move across networks and borders.
- You will assist in deploying and operating the 5G core at scale on AWS and Kubernetes, focusing on high availability, observability, and performance across regions.
- You'll set technical direction and raise engineering standards across teams - mentoring engineers, reviewing designs, and driving decisions on protocols, network functions, and core architecture.
- You'll troubleshoot complex, live telecommunications issues across the stack, from core network protocols down to the running service.
Our expectations of you
Qualifications
- Deep, hands-on expertise with the 5G Standalone core; core specifications and core signalling protocols (e.g., service-based interfaces over HTTP/2, Diameter, GTP-C/U), roaming scenarios, core network protocols, and network functions (NFs).
- Hands-on software engineering is essential.
- You can architect/design, implement, test, and troubleshoot software components using AI-agentic workflows.
- Background in IoT/M2M connectivity or MVNO/MNO core network operations.
Experience
- Our focus is the mobile core network domain; hands-on experience with 5G RAN technologies is not a requirement for this role.
- Experience with cloud-native networking, service mesh, and observability for high-throughput distributed systems.
- Strong software development experience in at least one of C++, Go, or Java combined with a results-oriented mindset and readiness to work across the technology stack when needed.
- Experience with large-scale infrastructure deployment and orchestration (AWS, Kubernetes).
- Nachweisliche Erfahrung in der Bereitstellung von Telekommunikationsdiensten in großem Maßstab in der Produktion.
What we offer
- Our roles are designed as hybrid, remote, or include relocation opportunities.
- Enjoy a generous time-off policy starting at 30 days (location-based) to recharge and focus on what matters most.
- Ongoing professional development opportunities through access to courses, certifications, or conferences.
- Join regular company events and team outings to connect with colleagues, celebrate, and have fun.
- Our dog-friendly offices.
Topics you will work on
Job locations
About your employer
EMnify wurde 2014 von drei Pionieren der Telekommunikationsbranche gegründet und ermöglicht mobile IoT-Konnektivität auf globaler Ebene. Die cloud-basierte Technologie wurde speziell für das Internet der Dinge entwickelt.
- Established Company
- Full Remote, Hybrid, Onsite
- Internet, IT, Telecommunication
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