Software Engineer (Java, OpenFGA) – Hybrid Rosslyn

Agile Defense; Arlington (VA); Hybrid; USD 110,000 - 140,000; Full time

Job summary

Agile Defense is seeking a Software Engineer (Java, OpenFGA) to build distributed backend services and durable APIs for a modern Hub‑and‑Spoke architecture. You will contribute to the OpenFGA wrapper service, write clean, maintainable code, and design microservices that integrate with cloud-native platforms.

Responsibilities include API development, OpenFGA data model enhancements, testing, debugging, and CI/CD improvements. Onsite twice weekly in Rosslyn, VA, with a Secret clearance to start.

Qualifications

• High School Diploma or equivalent required.
• 5+ years of experience.
• Hands-on experience with Java and Spring Boot; RESTful APIs; AWS.

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

Education

High School Diploma or GED

Tools

Django

NATS

Kafka

Redis

ClickHouse

OpenTelemetry

OpenRouter

LiteLLM

Job description

Agile Defense is seeking a Software Engineer (Java, OpenFGA) to build distributed backend services and durable APIs for a modern Hub‑and‑Spoke architecture. You will contribute to the OpenFGA wrapper service, write clean, maintainable code, and design microservices that integrate with cloud-native platforms.

Responsibilities include API development, OpenFGA data model enhancements, testing, debugging, and CI/CD improvements. Onsite twice weekly in Rosslyn, VA, with a Secret clearance to start.