Senior Backend Engineer: 5G NTN & Cloud Platform

Aalyria is seeking a Senior Software Engineer, Backend to design and build a cloud-native backend platform coordinating 5G NTN and Direct-to-Cell services. The role is based in London with remote UK work options.

You will drive distributed systems, RAN/CORE interfaces, and federation APIs, collaborating with solution architects and 3GPP/O-RAN standards teams. As part of the Spacetime team, you’ll implement scalable services, model networks, and coordinate with satellite operators and terrestrial