Software Engineer; Java React, RabbitMQ or Kafka - Onsite in Annapolis, MD

Overview

This is a hybrid position with 3 days/week onsite in Annapolis, MD (21401) and 2 days/week remote.

US Citizenship or a Green Card is required.

Government agency experience is also required.

We are seeking an experienced Senior Software Engineer to support the redesign and modernization of two mission-critical enterprise applications. This role is heavily focused on event-driven architecture
, microservices
, and modern full-stack development.

The ideal candidate brings deep expertise in Core Java
, Spring Boot
, Kubernetes
, React
, Elasticsearch
, and message-driven systems using Rabbit

MQ or Kafka
. You will collaborate with cross-functional teams to design, build, deploy, and maintain scalable, resilient applications in a complex enterprise environment.

Required Skills:

• Bachelor’s degree in Computer Science or a related field
• Experience working with a government entity
• 8+ years of Core Java development experience
• 4+ years developing microservices using Spring Boot and Spring frameworks
• 4+ years building modern user interfaces with React
• Hands-on experience with message-driven architectures using Rabbit
  
  MQ or Kafka
• Strong understanding of event-driven architecture (EDA) principles
• Experience deploying and supporting applications in Kubernetes environments
• Proficiency with CI/CD pipelines, Git, and automated build processes
• Ability to write unit tests with a target of 85%+ code coverage

• Experience with Elasticsearch for search, indexing, and analytics
• Familiarity with Prime Faces 6.x+ and Java Server Faces (JSF)
• Exposure to cloud platforms such as AWS, Azure, or Google Cloud
• Experience with Docker and containerized application development
• Knowledge of application monitoring and observability tools (Prometheus, Grafana, ELK stack)
• Experience working in Agile or hybrid development environments

• Design & Development
  • Architect, design, and implement enterprise-grade software solutions in collaboration with cross-functional teams
  • Develop scalable microservices using Spring Boot and related Spring frameworks
  • Apply event-driven design to build loosely coupled, resilient systems
  • Build and maintain responsive, maintainable front-end components using React
  • Support and enhance existing JSF applications utilizing Prime Faces 6.x and above
• Messaging & Event Streaming
  • Implement message queuing and event streaming solutions using Rabbit
    
    MQ or Kafka
  • Develop message producers, consumers, routing logic, and integration components
  • When leveraging Kafka experience, demonstrate understanding of architectural and operational differences between Kafka and RabbitMQ
• Deployment & Infrastructure
  • Deploy and manage microservices within Kubernetes clusters
  • Support automated CI/CD pipelines for build and release
  • Monitor, troubleshoot, and optimize production systems for performance and reliability
  • Perform application and infrastructure-level performance tuning
• Quality Assurance
  • Write comprehensive unit tests and maintain high code coverage standards
  • Participate in peer code reviews to ensure coding standards and best practices
  • Conduct system testing, debugging, and validation activities
• Documentation & Collaboration
  • Produce technical specifications, architecture documentation, and design artifacts
  • Create sequence diagrams for major use cases
  • Collaborate closely with product managers, designers, and engineering teams to refine requirements and ensure alignment
• Reporting
  • Submit weekly activity and project status reports
  • Complete time reporting and other required documentation in prescribed formats