Senior Software Engineer, Backend

Aalyria
London
Workplace: HybridFull timeFunction: Software EngineeringEducation: bachelorsSkills: ["Technical communication","Collaboration","Software engineering","Troubleshooting","Debugging"]

Build and maintain Spacetime’s cloud-native backend platform for orchestrating 5G Non-Terrestrial Networks (NTN) and Direct-to-Cell services. You’ll design distributed systems using C++, Go, Java, gRPC, and Protocol Buffers, translate 3GPP/O-RAN concepts into well-tested software, and integrate features across the platform. Work with telecom solution architects, extend network models and federation APIs for TN-NTN coordination, and troubleshoot production issues.

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FursaFursa
Aalyria
Aalyria
1 day ago

Senior Software Engineer, Backend

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Last checked: 8 hours agoStatus: Live

Job Summary

Build and maintain Spacetime’s cloud-native backend platform for orchestrating 5G Non-Terrestrial Networks (NTN) and Direct-to-Cell services. You’ll design distributed systems using C++, Go, Java, gRPC, and Protocol Buffers, translate 3GPP/O-RAN concepts into well-tested software, and integrate features across the platform. Work with telecom solution architects, extend network models and federation APIs for TN-NTN coordination, and troubleshoot production issues.
Location: London
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Develop and maintain the Spacetime platform using C++, Golang, Java, gRPC, and Protocol Buffers.
  • •Build scalable distributed systems on Kubernetes and support cloud-native telecom deployments.
  • •Design and develop features for 5G NTN and Direct-to-Cell orchestration, including RIC/SMO capabilities and federation APIs.
  • •Translate 3GPP and O-RAN concepts and interface specifications into clean, well-tested software.
  • •Integrate with other Aalyria platform components and troubleshoot/debug software issues.

Pay and Benefits

Perks:Pension PlanHealth Insurance25 DaysEquity

Key Requirements

  • •Bachelor’s degree in Computer Science/Engineering or equivalent work experience.
  • •Professional experience working in C++, Golang, and/or Java.
  • •Knowledge of gRPC and Protocol Buffers.
  • •Experience building and operating distributed systems.
  • •Familiarity with wireless communications, wireless performance modeling, or satellite communications.
Experience:Aerospace & defenseTelecommunicationsWireless communicationsSatellite communications
Education:Bachelor's in Computer Science / Engineering
Skills:Technical communicationCollaborationSoftware engineeringTroubleshootingDebugging
Tech Stack:C++GolangJavaGRPCProtocol BuffersKubernetesCloud-native telecom deploymentsHelmService mesh3GPPO-RANRANEPC5GCO1E2R1SA5 NRMSBICNFs

Company Brief

Aalyria
Develops advanced network orchestration and laser communications technology to connect space, airborne, and terrestrial systems. The company emerged from Alphabet's Loon assets and focuses on resilient, long-range connectivity infrastructure.
Industry: Space Technology
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Headquarters: Mountain View, United States
Founded: 2022
WebsiteLinkedIn