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# Java Backend / Microservices Engineer

- **Company:** ApTask
- **Location:** Jersey City, NJ, United States
- **Experience:** Expert
- **Salary:** $100,000.0 - $115,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Cloud Computing, Digital Assets, Python (Programming Language), Node.Js, Blockchain, Software Engineering, Backend, Event Driven Architecture, Apache Kafka, Web3.js, Bitcoin, Api Design, Microservices
- **Published:** October 29, 2026
- **Apply:** https://www.thejobnetwork.com/job/e69771df-fd1c-44cd-bd69-e16baba3ecc8/java-backend-microservices-engineer

## About the Role

* 7 years backend development (Java, Node.js, Python, or Go)
 * Experience with event-driven architectures (Kafka, Pub/Sub)
 * API design and microservices best practices
 * Cloud-native development experience (GCP preferred)
 * Blockchain/payments/ digital asset/ bitcoin experience required.

Nice to have:

 * Experience in Web3 and blockchain application development

## Description

* Build the microservices layer connecting the blockchain platform to core enterprise systems., * Design and implement APIs/microservices integrating on-chain and off-chain systems
 * Build services for transaction orchestration, reconciliation, and event processing
 * Ensure scalability and resilience of the services layer