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

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.

• 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

• 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

• 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

• 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

• 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

• 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

• Submit weekly activity and project status reports
• Complete time reporting and other required documentation in prescribed formats