Java Backend Developer

INNOVATIVE TECHNOLOGY RESOURCES, LLC

New York, United States of America

3 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English

Experience level

Senior

New York, United States of America

Java

API

Databases

Software Debugging

DevOps

Distributed Systems

PostgreSQL

MySQL

NoSQL

Performance Tuning

Blockchain

Spring-mvc

Spring-boot

Backend

GIT

Hyperledger

Ethereum

Solidity

Front End Software Development

REST

Software Version Control

Microservices

Design and develop backend services and APIs using Java (Spring Boot or similar frameworks)
Integrate blockchain networks (Ethereum, Hyperledger, or similar) into backend systems
Build and maintain secure, scalable, and high-performance microservices
Develop and interact with smart contracts (Solidity or similar languages)
Optimize system performance, reliability, and scalability
Implement security best practices for blockchain and backend systems
Collaborate with cross-functional teams including frontend developers, QA, and DevOps
Troubleshoot, debug, and upgrade existing systems
Write clean, maintainable, and well-documented code

Strong experience in Java development (Java 8+ preferred)
Hands-on experience with Spring Boot, Spring MVC, and RESTful APIs
Good understanding of blockchain concepts (consensus mechanisms, cryptography, wallets, transactions)
Experience working with blockchain platforms such as Ethereum, Hyperledger Fabric, or similar
Familiarity with smart contract development (Solidity is a plus)
Experience with databases (PostgreSQL, MySQL, or NoSQL databases)
Knowledge of microservices architecture and distributed systems
Experience with version control systems (Git)
Strong problem-solving and debugging skills