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# Sr. Backend Developer (Java & Kafka)

- **Company:** Expert Technology Services
- **Location:** McLean, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, Amazon S3, JIRA, Batch Processing, Code Review, Continuous Integration, Data Synchronization, Database Design, Database Queries, DevOps, Java Platform Enterprise Edition (J2EE), PostgreSQL, OAuth, OpenID, Performance Tuning, Scrum Methodology, Azure Active Directory, SonarQube, Systems Integration, Spring Cloud, Database Optimization, Spring-boot, Backend, Git, Event Driven Architecture, AngularJS, Information Technology, Avro, AWS Fargate, Apache Kafka, Bitbucket, Front End Software Development, Functional Programming, Api Gateway, Restful APIs, Jenkins, Microservices
- **Published:** July 28, 2026
- **Apply:** https://www.careerjet.com/jobad/usa00131ea41acc59daaa5dcde0732a8bf

## About the Role

8+ years of enterprise Java development experience (5+ years in Spring Boot, REST APIs, microservices)

 - 3+ years of hands-on Apache Kafka experience
 - Strong PostgreSQL (or similar) skills in database design and performance optimization
 - Experience with AWS core services and DevOps tools (Git, Jenkins, Bitbucket, Jira, SonarQube)
 - Bachelor's degree in Computer Science or related field (or comparable experience)
 - Preferred: Experience in transportation/logistics industries, knowledge of frontend frameworks (Angular), Schema Registry/Avro, and enterprise security protocols (OAuth2/OIDC, Azure Entra ID).

## Description

Lead Backend Development: Design, develop, and maintain enterprise-grade backend services and REST APIs using Java and Spring Boot for critical logistics and yard management workflows.

 - Event-Driven Architecture: Architect and implement resilient, event-driven integrations leveraging Apache Kafka, including topic management, consumer groups, and messaging workflows.
 - System Integration: Build scalable integration patterns for both internal and external systems using modern messaging, batch processing, and data synchronization techniques.
 - Database Optimization: Design and optimize PostgreSQL database models, write complex queries, and implement indexing strategies for high-throughput applications.
 - Cloud & DevOps Deployment: Deploy and support cloud-native applications on AWS (ECS/Fargate, Lambda, API Gateway, S3) and contribute to CI/CD automation pipelines.
 - Technical Leadership: Conduct code reviews, mentor junior developers, promote engineering best practices, and ensure compliance with security and observability standards.
 - Cross-Functional Collaboration: Work closely with Product Owners, Architects, UX Designers, and business stakeholders in an Agile/Scrum environment to refine requirements and resolve production issues.
 - Continuous Improvement: Champion technical excellence and contribute to ongoing process and technology enhancements within the engineering team., Job Description: Short Description: The Senior JAVA Developer position requires in-depth knowledge of JAVA and J2EE background using Spring Technologies framework, design, and …
 + 20 hours ago


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