Altusmeus

Blockchain Developer

Altusmeus

31 days ago

***********Client is not sponsoring any VISA********* *********Please don't apply if you are on H1B or on OPT visa*********** ## **Blockchain Developer – Job Description** ### **Role Overview** We are looking for a **Blockchain Java Backend Developer** responsible for designing, developing, and maintaining backend services that interact with blockchain networks. The ideal candidate should have strong experience in **Java backend development, distributed systems, and blockchain technologies such as Ethereum or Hyperledger Fabric**. ### **Key Responsibilities** * Design and develop **secure, scalable backend services in Java** to interact with blockchain networks. * Build **RESTful APIs and microservices** to support blockchain-based applications. * Develop and integrate **smart contracts** using blockchain platforms such as Ethereum or Hyperledger Fabric. * Implement **transaction processing, wallet integration, and blockchain node communication**. * Ensure **security, cryptography, and data integrity** in blockchain applications. * Optimize system performance for **high-throughput distributed environments**. * Collaborate with **frontend developers, DevOps teams, and blockchain architects**. * Write **unit tests, integration tests, and documentation**. * Participate in **architecture discussions and code reviews**. ### **Required Skills & Qualifications** #### **Technical Skills** * Strong experience with **Java backend development (Java 8+)**. * Experience with frameworks such as **Spring Boot** or **Spring Framework**. * Hands-on experience with **blockchain platforms** like: * Ethereum * Hyperledger Fabric * Corda (optional). * Experience with **smart contracts** (e.g., Solidity). * Knowledge of **cryptography, consensus mechanisms, and distributed ledgers**. * Experience building **REST APIs and microservices**. * Familiarity with **Docker, Kubernetes, and cloud platforms**. * Experience with **relational or NoSQL databases**. #### **Preferred Skills** * Experience with **Web3 libraries such as Web3j**. * Knowledge of **DeFi, NFTs, or token standards (ERC-20 / ERC-721)**. * Experience with **CI/CD pipelines and DevOps practices**. * Understanding of **event-driven architecture and messaging systems**. ### **Education** * Bachelor’s or Master’s degree in **Computer Science, Information Technology, or related field**. When applying, mention the word **CANDYSHOP** to show you read the job post completely.