Blockchain Developer

Immediate Requirement for Blockchain Developer
Location: Jersey City, NJ (hybrid)
Duration: Long Term Contract
Rate: $65/hr on C2C 
Visa Type: H1-B, USC, GC, H4-EAD, L2S, TN

Role Overview
Design, develop, and implement distributed ledger solutions to modernize post-trade financial infrastructure, including clearing, settlement, and asset servicing systems. Work within high-throughput, regulated environments to enhance transparency, resilience, and efficiency using blockchain technologies.

Key Responsibilities
•    Develop and maintain blockchain-based applications for financial market infrastructure.
•    Design smart contracts and distributed ledger solutions using platforms like Hyperledger Fabric, Corda, or Ethereum.
•    Collaborate with product managers, architects, and operations teams to modernize clearing and settlement systems.
•    Integrate blockchain solutions with existing enterprise systems and legacy infrastructure.
•    Ensure security, scalability, and performance of distributed systems.
•    Participate in system design, code reviews, and architecture discussions.
•    Contribute to cloud-native deployments using AWS, Azure, or GCP.
•    Implement data privacy and permissioning models in enterprise blockchain networks.
•    Support testing, debugging, and production deployment of DLT applications.

Required Skills
•    Strong programming experience in Java, Go, Python, or JavaScript/TypeScript.
•    Hands-on experience with blockchain frameworks:
•    Hyperledger Fabric
•    R3 Corda
•    Ethereum / Solidity
•    Understanding of distributed systems and consensus mechanisms.
•    Experience with REST APIs, microservices architecture, and system integration.
•    Familiarity with Docker, Kubernetes, and CI/CD pipelines.
•    Knowledge of cryptography fundamentals (hashing, digital signatures).
•    Experience with databases (SQL and NoSQL).

Preferred Qualifications
•    Experience in financial services, capital markets, or fintech.
•    Understanding of clearing, settlement, and trade lifecycle.
•    Exposure to DTCC initiatives like Project Ion.
•    Knowledge of regulatory and compliance requirements.
•    Experience with event-driven architectures (Kafka, messaging systems).

Soft Skills
•    Strong analytical and problem-solving skills
•    Ability to work in cross-functional teams
•    Clear communication of technical concepts
•    Adaptability in a highly regulated environment