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Senior Java Developer

Company:
3B Staffing LLC
Location:
Quincy, MA, 02171
Posted:
April 27, 2026
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Description:

Design, develop, and maintain RESTful APIs using Java 8+ and Spring Boot.

• Build and enhance microservices that consume JSON payloads from multiple external agencies

• Implement business logic based on agency, notice type, and payload data.

• Implement robust error handling, logging, and retry mechanisms.

• Write unit and integration tests to ensure reliability and quality. DevOps & Deployment

• Support CI/CD pipelines for Spring Boot microservices.

• Perform application deployments across DEV, QA, UAT, and PROD environments.

• Manage and update environment-specific configurations (externalized properties).

• Work with GitLab and CI tools (GIT, JIRA, Jenkins).

• Monitor application logs on AWS, troubleshoot deployment issues, and support production fixes.

Required Experience and Skills

• A total of 7+ years of experience with 5+ years of hands-on API/backend development and 3-4 years of real

• DevOps exposure.

• Strong experience in Java 8 or above.

• Hands-on expertise with SpringBoot and Microservices.

• Experience building and consuming REST APIs.

• • Good understanding of JSON, HTTP, and third-party integrations.

• Experience with CI/CD, deployments, and configuration management.

• Working knowledge of Linux environments and application troubleshooting.

• Cloud deployments (AWS/Azure/GCP)

• Monitoring & Logging (Cloudwatch, Prometheus, Grafana. ELK). Nice to Have

• Experience with government or large-scale enterprise systems

• Knowledge of asynchronous processing or messaging system

• AWS Certified Solutions Developer

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