Sr. Blockchain Consultant - Centreville, VA (Hybrid)

Overview

Hybrid
Depends on Experience
Accepts corp to corp applications
Contract - Independent
Contract - W2
Contract - 6 month(s)
No Travel Required

Skills

Blockchain
Ethereum
Solana
Polkadot
threat modeling
ecosystems
node management

Job Details

Role Name: Sr. Blockchain Consultant
Location: Centreville, VA (Hybrid)

Duration: 6 Months


We are seeking a seasoned Blockchain Consultant to provide expert guidance and collaborate with our internal development team on the design, architecture, and enhancement of blockchain-based financial solutions. This role combines deep technical expertise with a consultative approach to empower our team with the knowledge and tools needed for long-term success in decentralized technologies.

Role Overview

As a subject matter expert, you will lead the evaluation and implementation of cutting-edge blockchain platforms, optimize architectural strategies, and ensure security, scalability, and compliance for enterprise-grade financial systems. Your contribution will be pivotal in developing innovative solutions while enabling our in-house team to independently maintain and extend them beyond your engagement.

Key Responsibilities

  • Conduct detailed assessments of blockchain platforms (e.g., Ethereum, Solana, Polkadot, Cosmos, Hyperledger Fabric, Corda) and recommend the most suitable technologies for various financial use cases.
  • Collaborate with internal engineers to architect and prototype blockchain solutions involving tokenization, smart contracts, cross-chain interoperability, and custom consensus mechanisms.
  • Design and optimize blockchain infrastructure with a focus on transaction speed, scalability, gas efficiency, and cost-effectiveness, including Layer-2 solutions, sharding, and rollups.
  • Provide strategic guidance on node management, infrastructure reliability, and governance models to support secure and robust operations.
  • Lead smart contract audits and security reviews, identifying vulnerabilities and delivering actionable remediation plans.
  • Advise on regulatory compliance and alignment with jurisdiction-specific financial standards, particularly in DeFi, token issuance, and custody models.
  • Deliver targeted knowledge transfer sessions, hands-on mentorship, and strategic roadmaps to equip the internal team with the expertise to manage solutions autonomously.

Required Qualifications

  • 7+ years of experience in blockchain solution design and enterprise consulting, ideally within financial services or fintech domains.
  • Deep hands-on expertise across multiple blockchain ecosystems, such as Ethereum, Solana, Polkadot, Cosmos, Hyperledger Fabric, and Corda.
  • In-depth knowledge of consensus algorithms, network protocols, transaction finality, and node operations.
  • Proven track record in designing secure, scalable, and efficient blockchain systems and smart contract architectures.
  • Strong grasp of blockchain security best practices, threat modeling, and risk mitigation strategies.
  • Experience navigating regulatory frameworks and compliance requirements within the blockchain/financial ecosystem.
  • Excellent communication and mentoring skills with the ability to translate complex concepts to diverse technical teams.

Nice to Have

  • Experience with Zero-Knowledge Proofs (ZKPs), confidential computing, or privacy-preserving protocols.
  • Familiarity with Web3 integration, oracle systems, or blockchain analytics tools.
  • Prior experience enabling organizational capability building or delivering blockchain-focused workshops/training.

Best Regards,

Chetna

-D

-Fax

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