Senior Backend Engineer - Distributed Systems (Secret)

Agile Defense, Inc.; Arlington (VA); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Agile Defense is seeking a Senior Software Engineer to design and maintain backend microservices for a distributed architecture. You will build API endpoints, dashboards for enterprise AI operations, and ensure reliable cloud-based data flows.

You will collaborate with AI, DevSecOps, data engineering, and cybersecurity teams while staying hands-on with Java, Spring Boot, and OpenFGA. Expect hybrid work at Rosslyn, VA with regular onsite days.

Qualifications

• 4+ years of software development experience.
• Secret Clearance required to start.
• Hands-on with Java and Spring Boot.
• Experience designing RESTful APIs and cloud services.
• Proficiency with AWS and modern backend tooling.
• Familiar with AI, DevSecOps and data engineering domains.

Responsibilities

• Implement API endpoints and business logic for wrapper service.
• Develop features for OpenFGA data model management.
• Write unit tests and integration tests.
• Debug and resolve software defects.
• Assist with documentation and code examples.
• Participate in code reviews and team ceremonies.
• Support onboarding team with technical questions.
• Contribute to CI/CD pipeline improvements.

Skills

Java

Spring Boot

RESTful APIs

AWS

OpenFGA

Tools

Django

NATS

Kafka

Redis

ClickHouse

OpenTelemetry

OpenRouter

LiteLLM

Job description

Agile Defense is seeking a Senior Software Engineer to design and maintain backend microservices for a distributed architecture. You will build API endpoints, dashboards for enterprise AI operations, and ensure reliable cloud-based data flows.

You will collaborate with AI, DevSecOps, data engineering, and cybersecurity teams while staying hands-on with Java, Spring Boot, and OpenFGA. Expect hybrid work at Rosslyn, VA with regular onsite days.