Java Engineer

Agile Defense, Inc.; Arlington (VA); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Agile Defense, Inc. is seeking a Java Engineer to build distributed backend services and durable APIs for a Hub‑and‑Spoke architecture. You'll contribute to enterprise AI operations, cloud-native microservices, and scalable workflows as part of a mission-focused team.

The role requires 1–3 years of Java/Spring Boot experience, RESTful API design, and a Secret clearance. Onsite twice weekly in Rosslyn, VA, with collaboration across AI, DevSecOps, data, platform engineering, and cybersecurity

Qualifications

• High School Diploma or equivalent (GED).
• 1 - 3 years of experience.
• Secret Clearance Required.
• Hands-on experience with Java and Spring Boot.
• Background designing and implementing RESTful APIs.
• Proficiency with core AWS services.
• Experience collaborating with AI, DevSecOps, data, platform engineering, and cybersecurity teams.
• Familiarity with Django, NATS, Kafka, Redis, ClickHouse, OpenTelemetry, OpenRouter, and LiteLLM is advantageous.

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

Django

NATS

Kafka

Redis

ClickHouse

OpenTelemetry

OpenRouter

LiteLLM

Secret Clearance

Rosslyn VA onsite

Education

High School Diploma

Job description

About Agile Defense

At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.

Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.

Requisition #: 1887

Job Title: Java Engineer

Location: Hybrid, Rosslyn, VA

Clearance Level: Secret, Must Have Clearance to Start

In this role, you will build distributed backend services and durable APIs that support a modern Hub‑and‑Spoke architecture. Your work will play a key role in advancing operational AI, enabling mission systems, enterprise governance, agentic AI, and scalable delivery.

Java Engineer

Contribute to development and supporting tools, writing clean, maintainable code under guidance of senior engineers.

Design, develop, and maintain backend microservices and distributed systems to support enterprise AI operations. You will be responsible for building and maintaining microservices that integrate seamlessly with cloud‑native platforms, ensuring continuous monitoring and high reliability across all operational workflows. Build and optimize APIs and event‑driven architectures for scalable and reliable data flow.

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

• High School Diploma or equivalent(GED) required.
• 1 - 3 years
• Secret Clearance Required
• Hands‑on experience with Java and Spring Boot.
• Background designing and implementing RESTful APIs
• Proficiency with core AWS services
• Experience in a fast‑paced and mission‑focused environment, requiring you to collaborate closely with teams specializing in AI, DevSecOps, data engineering, platform engineering, and cybersecurity
• Familiarity with frameworks and tools like Django, NATS, Kafka, Redis, ClickHouse, OpenTelemetry, OpenRouter, and LiteLLM will be highly advantageous as you design and implement scalable, observable, and secure solutions
• Experience with any of the following technologies: Django, NATS, Kafka, Redis, ClickHouse, OpenTelemetry, OpenRouter, and LiteLLM
• Prior experience with OpenFGA
• Onsite twice a week in Rosslyn, VA

Our Core Values

• Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do.
• Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated.
• Honest - Be Trustworthy. Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support.
• Humble - Be Grounded. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
• Hungry - Be Eager. Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges.
• Hustle - Be Driven. Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities