Senior Software Engineer, Backend

Aalyria

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

Posted 9/26/2026full-timeRemote • California • United StatesSenior💰 $165,000 - $215,000 per yearWebsite

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
Develop Spacetime features for 5G NTN and Direct-to-Cell orchestration
Implement RIC/SMO capabilities for the NTN, network model extensions, and federation APIs for TN-NTN coordination
Translate 3GPP and O-RAN concepts and interface specifications into clean, well-tested software with solution architects
Integrate with other Aalyria platform components for end-to-end functionality
Develop and maintain software design and implementation documentation
Stay up-to-date with 5G NTN, O-RAN, and satellite communications technologies
Write clean, maintainable, efficient code
Troubleshoot and debug software issues
Design and build distributed systems in a modern, cloud-native codebase
Work with 3GPP/NTN solution architects on standards and systems expertise

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
Applicants must meet U.S. government export-control eligibility requirements: qualify as a U.S. person, be eligible to access export-controlled information without export authorization, or be eligible and reasonably likely to obtain the necessary export authorization
Preferred: Professional software development experience on systems related to 3GPP 4G/5G networks
Preferred: Hands-on experience with O-RAN architecture, including 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
Preferred: Professional experience optimizing distributed-system performance
Preferred: Experience in aerospace & defense or telecommunications
Preferred: Familiarity with software-defined networking platforms

Benefits

Comp & perks

Innovative environment at a cutting-edge aerospace communications technology company
Direct contribution to critical national security programs and initiatives
Professional development and advancement opportunities
Collaborative, supportive, and inclusive workplace
Flexible working arrangements including hybrid remote/in-office schedules
Comprehensive benefits
401(k)
Dental insurance
Vision insurance
Health insurance
Life insurance
Paid time off
Equity options