***********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.
What is the salary of a Docker?
Docker is a technology that is used for containerization, and it is widely used in the software development industry
The Docker salary can depends on national averages and may vary depending on the company, location, and other factors
Additionally, the salary of a Docker professional can increase with years of experience and additional skills in related technologies such as Kubernetes or cloud computing
The salary of a Docker can vary depending on several factors such as location, years of experience, industry, and job position
Here are some estimates for the average salaries of Docker-related job positions in the United States based on data from various sources:
- DevOps Engineer with Docker skills: The average salary for a DevOps Engineer with Docker skills in the US is around $115,000 to $150,000 per year.
- Docker Engineer: The average salary for a Docker Engineer in the US is around $110,000 to $140,000 per year.
- Docker Architect: The average salary for a Docker Architect in the US is around $130,000 to $170,000 per year.
- Docker Administrator: The average salary for a Docker Administrator in the US is around $95,000 to $120,000 per year.