Eroute Technologies - Java Developer - Blockchain Platform

Description :

Key Responsibilities :

- Design, develop, and maintain scalable backend services and APIs using Java.

- Integrate and interact with blockchain APIs / SDKs such as Web3.js, Ethers.js, Web3.py, or Hyperledger Fabric SDK.

- Work with smart contracts, handle event-driven logic, and manage blockchain transaction lifecycles.

- Implement and maintain secure cryptographic mechanisms including ECDSA, SHA-256, and AES for data protection and key management.

- Design and optimize database schemas and queries using PostgreSQL, MongoDB, Redis, or MySQL.

- Develop microservices and handle asynchronous processing using Kafka or RabbitMQ.

- Containerize and deploy services using Docker and Kubernetes in AWS, Azure, or GCP environments.

- Collaborate with frontend, blockchain, and DevOps teams to deliver end-to-end platform functionality.

- Ensure system security, scalability, and fault tolerance across distributed systems.

- Write clean, maintainable, and testable code following best practices and peer review processes.

Required Skills & Experience :

- 3 to 6 years of professional experience in backend development with Node.js, Java, Go, or Python.

- Proven experience integrating with blockchain APIs/SDKs (Web3.js, Ethers.js, Web3.py, Hyperledger Fabric, etc.)

- Solid understanding of smart contracts, events, and transaction processing on blockchain networks.

- Familiarity with cryptographic algorithms and key management standards (ECDSA, SHA-256, AES).

- Strong knowledge of relational and NoSQL databases PostgreSQL, MongoDB, Redis, or MySQL.

- Experience with microservices architecture, message queues (Kafka, RabbitMQ), and asynchronous systems.

- Hands-on experience with Docker, Kubernetes, and cloud platforms (AWS / Azure / GCP).

Preferred / Good-to-Have :

- Experience developing or integrating smart contracts using Solidity.

- Exposure to DeFi, NFT, or tokenized asset ecosystems.

- Understanding of decentralized identity (DID), zero-knowledge proofs, or related blockchain privacy concepts