Senior Backend Engineer — 5G NTN Orchestration (Hybrid)

Aalyria; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Flexible working arrangements

Pension Plan

Health insurance

25 days annual leave

Equity

Job summary

Aalyria in the United Kingdom is seeking a strong backend Software Engineer to join the Spacetime team to orchestrate 5G NTN and Direct-to-Cell services, integrating satellite operators with terrestrial networks via 3GPP- and O-RAN-aligned interfaces.

You will design distributed systems in a cloud-native codebase, collaborating with solution architects and other engineers to deliver scalable, end-to-end platform capabilities.

Qualifications

• Bachelor's degree in CS/Engineering or equivalent.
• Professional experience in C++, Golang, and/or Java.
• Knowledge of gRPC and Protocol Buffers.
• Experience building and operating distributed systems.
• Familiarity with wireless communications or satellite communications.

Responsibilities

• Develop and maintain the Spacetime platform using C++, Golang, Java, gRPC, and Protocol Buffers.
• Build scalable, distributed systems on Kubernetes.
• Design and develop Spacetime features for 5G NTN and Direct-to-Cell orchestration, including RIC/SMO capabilities for the NTN, network model extensions, and federation APIs for TN-NTN coordination with terrestrial operators’ SMOs.
• Translate 3GPP and O-RAN concepts and interface specifications into clean, well-tested software, in collaboration with our solution architects.
• Integrate with other components of the Aalyria platform to ensure end-to-end functionality.
• Develop and maintain documentation related to the software design and implementation.
• Stay up-to-date with industry trends and technologies related to 5G NTN, O-RAN, and satellite communications.
• Write clean, maintainable, and efficient code.
• Troubleshoot and debug issues in the software.

Skills

C++

Golang

Java

gRPC

Protocol Buffers

Distributed systems

Education

Bachelor's degree in Computer Science / Engineering or equivalent

Tools

Kubernetes

Docker

gRPC

Protocol Buffers

Job description

Aalyria in the United Kingdom is seeking a strong backend Software Engineer to join the Spacetime team to orchestrate 5G NTN and Direct-to-Cell services, integrating satellite operators with terrestrial networks via 3GPP- and O-RAN-aligned interfaces.

You will design distributed systems in a cloud-native codebase, collaborating with solution architects and other engineers to deliver scalable, end-to-end platform capabilities.