Job Title: Blockchain Developer

Location :Manassas VA Hybrid (onsite 2 days a week)

Final interview must be taken onsite or at an Experis/Manpower Group office where it can be proctored

They also have an office in NY if you find any candidates in the New York area, could go onsite in New York instead of VA

Open to candidates who would relocate

Contract Duration: Goes until End of Year, will likely be extended/renewed long term

Job Description:

We are seeking an experienced Blockchain Developer to design, develop, and optimize distributed ledger solutions for enterprise-grade applications. The role involves working across smart contracts, consensus mechanisms, secure integrations, and high-throughput architectures tailored for financial and workflow-driven systems.

Responsibilities:

* Develop, test, and deploy distributed ledger technology (DLT) applications and smart contracts using Typescripts, Solidity, JSON, REST APIs.

* Build and maintain blockchain infrastructure and backend services.

* Implement and integrate blockchain protocols, including but not limited to Ethereum, Hyperledger Besu, Corda, Cosmos, Canton.

* Design and implement identity and access management (PKI, certificates, roles, and permissions).

* Implement Security Measures by applying cryptographic techniques to protect digital transaction data and prevent unauthorized access.

* Integrate blockchain solutions with existing enterprise systems (APIs, databases, etc.).

* Ensure data privacy, confidentiality, and compliance with regulatory requirements.

* Participate in network governance design (consensus, membership, endorsement policies)

* Develop, test, debug and maintain robust, secure, and performant blockchain applications.

* Stay abreast of the latest advancements in blockchain technology, cryptography, and distributed systems.

* Participate in code reviews, technical discussions, and contribute to the overall architectural direction of blockchain initiatives.

* Collaborate with product, DevOps, and security teams.

* Document technical designs, development processes, and operational procedures.

* Hands on experience with AWS deployment.