Blockchain Engineer / Protocol Architect

CryptoproNetwork; United States; Remote; USD 150,000 - 210,000; Full time

Benefits offered by this job

Remote-friendly workplace

Direct collaboration with CEO

Flexible engagement (FT/PT)

Negotiable compensation

Job summary

Digital CR Inc. (USA) is seeking a Senior Blockchain Engineer / Protocol Architect to design and implement a new blockchain-based data exchange protocol. The role is fully remote, with flexible engagement of full-time or part-time depending on project needs.

You will lead Solidity/EVM development, architect secure data storage and access controls, and work directly with the CEO to ship the MVP within 6–7 months. A strong background in cryptography and blockchain security is required.

Qualifications

• 5+ years of blockchain development experience.
• Hands-on Solidity/EVM, DeFi, and production smart contracts.
• Experience in security and protocol architecture.
• Strong cryptography and data protection knowledge.

Responsibilities

• Design architecture of a blockchain-based data exchange protocol.
• Independently develop Solidity/EVM smart contracts.
• Design data storage, transfer, and verification mechanisms.
• Implement cryptographic security and access control mechanisms.
• Identify vulnerabilities and ensure protocol security.
• Develop and deliver the MVP within 6–7 months.

Skills

Solidity & EVM

Protocol design

DeFi contracts

Blockchain security

Cryptography

Job description

Senior Blockchain Engineer / Protocol Architect (Solidity / EVM)

Digital CR Inc. (USA) | Remote | Full-time / Part-time

We are looking for an experienced Blockchain Engineer to develop a new blockchain-based protocol for storing and exchanging financial data.

The project aims to create a decentralized infrastructure where users own their data and control access to it. The MVP will focus on personal finance.

Responsibilities

• Design the architecture of a blockchain-based data exchange protocol.
• Independently develop Solidity/EVM smart contracts.
• Design mechanisms for data storage, transfer, and verification.
• Implement cryptographic security and access control mechanisms.
• Identify vulnerabilities and ensure protocol security.
• Develop and deliver the MVP within 6–7 months.

Requirements

• 5+ years of experience in blockchain development.
• Hands-on experience with Solidity/EVM, DeFi, and production smart contracts.
• Experience in blockchain security and protocol architecture.
• Strong understanding of cryptography and data protection mechanisms.

What We Offer

• A US-based company with a fully remote work environment.
• A small team with direct collaboration with the CEO.
• Flexible engagement: full-time or part-time.
• Compensation negotiable: fixed salary or hourly rate.