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Senior Backend Software Engineer

Arlington, VA💼 Full-time🗓 2026-03-23 → 2026-09-26

Core

Design and implement scalable backend services in Go that ingest real-time operational signals, model complex relationships, and serve high-throughput APIs for cyber and electromagnetic capabilities.

Role type

Senior Backend Software Engineer (Cyber/Defense)

Builds

Reliable backend services, high-performance APIs, and event-driven systems for mission-critical U.S. national security outcomes.

Domain

Cybersecurity, Defense, Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Go (Golang), Graph databases (Neo4j, AWS Neptune), Event-driven architectures, API design (REST/GraphQL), AWS cloud-native patterns, Microservices, Containerization, Secure coding practices

Preferred skills

Defense/security domain experience, AI/ML integration, Large-scale data processing, Open-source contributions, Observability tooling

Technologies

Go, GraphQL, REST, Neo4j, AWS Neptune, NATS, AWS, Docker, Kubernetes, CI/CD

Responsibilities

Design and implement scalable backend services in Go; Build high-performance APIs; Model complex relationships in graph databases; Implement event-driven systems; Develop automated tests; Build and operate microservices on AWS; Create and improve CI/CD pipelines; Partner with cyber operations experts to translate domain needs into product features.

Seniority

Senior, hands-on IC

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