Senior Software Engineer (Java / Spring Boot / Microservices / React)

About the Role

A confidential government technology organization is seeking Senior Software Engineers to support a large-scale modernization effort involving event-driven microservices, cloud-native infrastructure, and modern UI frameworks. Engineers will contribute to rewriting major enterprise applications using Spring Boot, Kubernetes, React, and RabbitMQ/Kafka.

This position requires advanced technical expertise, strong problem-solving skills, hands-on microservices development experience, and the ability to collaborate in a structured Agile/DevOps environment.

Key Responsibilities

Design & Development

• Architect, design, and implement enterprise-grade software solutions.
• Build scalable microservices using Spring Boot and associated Spring frameworks.
• Develop responsive UI components using React.
• Apply event-driven architecture (EDA) principles to create loosely coupled systems.
• Work with PrimeFaces 6.x+ for JSF-based enterprise applications.

Message Broker Integration

• Implement messaging & event streaming using RabbitMQ (preferred) or Kafka.
• Build producers, consumers, routing logic, and integration components.
• Demonstrate understanding of architectural differences between message brokers.

Deployment & Infrastructure

• Deploy microservices to Kubernetes using CI/CD pipelines.
• Monitor, troubleshoot, and optimize performance across application layers.

Quality Engineering

• Write unit tests with 85%+ coverage.
• Participate in code reviews, debugging, system-level testing.

Documentation & Collaboration

• Produce technical specifications, sequence diagrams, design artifacts.
• Provide weekly progress and status reports.
• Collaborate with product managers, designers, and engineering teams.

Required Qualifications

• Bachelor's degree in Computer Science or related field.
• 8+ years strong Core Java development experience.
• 4+ years hands-on Spring Boot development.
• 4+ years experience building UI interfaces using React.
• 4+ years message queue/event streaming integration using RabbitMQ (or Kafka).
• Experience with microservices, Docker/Kubernetes, CI/CD pipelines.
• Strong knowledge of Java fundamentals: concurrency, collections, JVM, REST APIs.
• Experience with Git, Agile/Scrum, DevOps tools.

Preferred Skills

• Experience with Elasticsearch (search/indexing).
• Knowledge of AWS/Azure/GCP cloud environments.
• Strong understanding of software design patterns and architectural principles.
• Experience with monitoring tools: ELK, Prometheus, Grafana.
• Exposure to PrimeFaces for enterprise UI customization.

Work Arrangement

• Hybrid schedule: 3 days onsite, 2 days remote (after initial 6-month onsite period).
• Must be able to report onsite within 24 hours if required.
• No remote work allowed outside the United States.

These requirements reflect compliance with the RFP's place-of-performance rules.