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Senior Backend Java Developer

Company:
3B Staffing LLC
Location:
Iselin, NJ, 08830
Posted:
April 27, 2026
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Description:

Senior Backend Java Developer

Client is seeking a Senior Backend Java Developer with deep expertise in microservices architecture and data modeling.

This is a hands-on, heads-down coding role focused on building scalable, high-performance systems for complex enterprise applications. Responsibilities:

Design, build, and maintain backend services using Java and modern frameworks.

Develop and optimize microservices for scalability, resilience, and performance.

Create robust data models and ensure efficient data access across large-scale systems.

Collaborate with cross-functional teams to deliver end-to-end solutions.

Write clean, testable code and uphold best practices in software engineering. Qualifications:

10 plus years of backend development experience, with strong expertise in Java (v11/17).

Proven background in microservices, APIs, and distributed systems.

Advanced knowledge of data modeling, database design, and performance tuning.

Experience with cloud-native environments (AWS, Azure, or GCP).

Strong problem-solving skills and ability to thrive in a deep coding environment.

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