Senior Backend Engineer - Distributed Systems & APIs

Lever, Inc.; Virginia, Northern (MN, KY); Hybrid; USD 98,000 - 115,000; Full time

Job summary

Agile Defense in Rosslyn, VA is seeking a Senior Software Engineer to build backend microservices and APIs for a Hub-and-Spoke architecture. You will contribute to AI-enabled operations and enterprise governance, collaborating with cross-functional teams to deliver reliable cloud-native solutions.

The role requires 4+ years of experience, Java and Spring Boot proficiency, and a strong background with RESTful APIs and AWS.

Qualifications

• Experience designing and implementing RESTful APIs.
• Proficiency with core AWS services.
• 4+ years of software development experience.

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

OpenFGA

Django

NATS

Kafka

Redis

ClickHouse

OpenTelemetry

OpenRouter

LiteLLM

Job description

Agile Defense in Rosslyn, VA is seeking a Senior Software Engineer to build backend microservices and APIs for a Hub-and-Spoke architecture. You will contribute to AI-enabled operations and enterprise governance, collaborating with cross-functional teams to deliver reliable cloud-native solutions.

The role requires 4+ years of experience, Java and Spring Boot proficiency, and a strong background with RESTful APIs and AWS.