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Aalyria

Senior Software Engineer, Backend

Aalyria

. Develop and maintain the Spacetime platform using C++, Golang, Java, gRPC, and Protocol Buffers .

Posted 9/26/2026full-timeLondon • United KingdomSeniorWebsite

Tech Stack

Tools & technologies
CloudDistributed SystemsGRPCJavaKubernetesC++Go

About the role

Key responsibilities & impact
  • Develop and maintain the Spacetime platform using C++, Golang, Java, gRPC, and Protocol Buffers
  • Build scalable, distributed systems on Kubernetes
  • Design and develop 5G NTN and Direct-to-Cell orchestration features
  • Develop RIC/SMO capabilities, network model extensions, and federation APIs for TN-NTN coordination
  • Translate 3GPP and O-RAN concepts and interface specifications into clean, well-tested software
  • Collaborate with 3GPP/NTN solution architects
  • Integrate with other Aalyria platform components for end-to-end functionality
  • Maintain software design and implementation documentation
  • Stay current with 5G NTN, O-RAN, and satellite communications technologies
  • Write clean, maintainable, and efficient code
  • Troubleshoot and debug software issues

Requirements

What you’ll need
  • 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, modeling of wireless performance, or satellite communications
  • Strong technical communication skills and ability to communicate across multiple functions
  • Right to work in the United Kingdom
  • Preferred: professional software development experience with 3GPP 4G/5G networks, RAN, Core, OAM, FCAPS, or NRM/network models
  • Preferred: hands-on experience with O-RAN architecture, SMO, Non-RT/Near-RT RIC, rApps, xApps, or O-RAN interfaces
  • Preferred: familiarity with 3GPP NTN and Direct-to-Cell / Supplemental Coverage from Space concepts
  • Preferred: experience implementing or integrating 3GPP or O-RAN APIs and data models
  • Preferred: experience with wireless standards work or applying 3GPP/ETSI/O-RAN specifications in production software
  • Preferred: hands-on experience with Kubernetes and cloud-native telecom deployments, including CNFs, Helm, and service mesh
  • Preferred: professional experience optimizing distributed-system performance
  • Preferred: experience in aerospace and defense or telecommunications
  • Preferred: familiarity with software-defined networking platforms

Benefits

Comp & perks
  • Innovative environment at a cutting-edge aerospace communications technology company
  • Opportunities for professional development and advancement
  • Collaborative, supportive, and inclusive workplace
  • Flexible working arrangements including hybrid remote/in-office schedules
  • Competitive compensation
  • Pension Plan
  • Health insurance
  • 25 days annual leave
  • Equity
  • Contribution to critical national security programs and initiatives