Smart Contract Engineer (Blockchain)

eNGINE

United States

On-site

USD 100,000 - 140,000

Full time

14 days+

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Benefits offered by this job

Medical insurance

Vision insurance

Job summary

A leading solutions and placement firm in the United States is seeking a Smart Contract Engineer to join their high-impact Digital Assets Engineering team. This role focuses on building blockchain-powered solutions that support tokenization and transaction settlement. The ideal candidate will have over 3 years of experience in blockchain and smart contract development, with expertise in Solidity and Ethereum platforms. Benefits include medical and vision insurance, as well as career growth opportunities.

Qualifications

3+ years of hands-on blockchain and smart contract development.
Experience working with Ethereum, Hyperledger Besu, or similar platforms.
Solid grasp of cryptography concepts, MPC, and secure key management.

Responsibilities

Design, develop, and deploy secure, scalable smart contracts for digital asset use cases.
Conduct code reviews, enforce development standards, and support secure SDLC practices.
Collaborate with cybersecurity teams and external auditors to assess and resolve vulnerabilities.

Skills

Blockchain development

Smart contract development

Solidity

Cryptography concepts

Java

Education

Bachelor’s degree in Computer Science or related field

Tools

Ethereum

Hyperledger Besu

Spring Boot

Job description

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Direct message the job poster from eNGINE

eNGINE builds Technical Teams. We are a Solutions and Placement firm shaped by decades of interaction with Technical professionals. Our inspiration is continuous learning and engagement with the markets we serve, the talent we represent, and the teams we build. Our Consulting Workforce is encouraged to enjoy career fulfillment in the form of challenging projects, schedule flexibility, and paid training/certifications. Successful outcomes start and finish with eNGINE.

eNGINE is hiring a Smart Contract Engineer to join a high-impact Digital Assets Engineering team building blockchain-powered solutions supporting tokenization, custody, and transaction settlement. This role sits at the intersection of emerging Web3 innovation and highly regulated financial services—ideal for engineers who value security, scalability, and real-world application.

What You’ll Do

Design, develop, and deploy secure, scalable smart contracts for digital asset use cases
Partner with product, engineering, and architecture teams to integrate smart contracts with EVM-compatible chains and institutional platforms
Conduct code reviews, enforce development standards, and support secure SDLC practices
Build automated testing, validation, and monitoring frameworks for contract deployments
Collaborate with cybersecurity teams and external auditors to assess and resolve vulnerabilities
Optimize contract performance and gas efficiency in high-volume environments
Support blockchain network integrations, token standards, and enterprise-grade interoperability

Required Experience