Java Backend Developer
3Core Systems
New York, NY · Posted October 22, 2026
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About the job
Job Title: Java Developer Location: NYC / DE / OH Duration: Long-term contract Focus: Primarily on backend application development and microservices. Experience level: Senior-level backend developers familiar with modern cloud environments and large-scale enterprise platforms. Candidates are required to share their screen for coding exercises at the time of the interview. Core Tech Stack Java, Spring/Spring Boot, Microservices Kafka (For Distributed Processing) Cloud Platforms (AWS preferred; multi-cloud/agnostic experience like GCP is acceptable) Frontend Minimal to none needed currently. React or Angular is a nice-to-have but not mandatory. Work Schedule: 5days week from 8AM to 4PM, On-Call-Required every 8weeks plus occasional evening production deployments. About Project CCB Deposits Team: Brand new deposits platform. It's the largest deposit platform in the country. Actively building the next generation of the deposits platform.