Senior Smart Contract Engineer (Remote ) full time

Company: One More Game (Direct Hire)

Location: Fully Remote (United States & LATAM Applicants Only)

Employment Type: Full-Time ( Fully Remote)

Experience: Senior Level  5+ Years of Experience

Annual Compensation : $120,000 - $180,000 per year 

Commitment: Full-time (40 hours/week)

Probation: 2 months

Application Process

To ensure a consistent and fair recruitment process, all applications and hiring-related communications are handled exclusively by our recruitment team. Please apply through this official posting. Only applications submitted through the designated recruitment process will receive full consideration.

We are looking for an experienced Smart Contract Engineer to design, develop, test, and secure production-ready smart contracts powering our Web3 gaming ecosystem.

• Design and develop secure Solidity smart contracts.
• Build and maintain DeFi, NFT, and GameFi protocols.
• Develop reusable smart contract libraries.
• Implement comprehensive automated testing.
• Optimize gas efficiency and contract performance.
• Perform security reviews and collaborate with auditors.
• Integrate smart contracts into Web3 applications.
• Maintain technical documentation and deployment procedures.

• Solidity.
• Foundry.
• Hardhat.
• OpenZeppelin.
• Ethereum Virtual Machine (EVM) chains.
• Smart contract architecture.
• DeFi protocols.
• NFT standards.
• GameFi ecosystems.
• Strong understanding of blockchain security.

• Experience deploying production smart contracts.
• Smart contract auditing experience.
• Multi-chain deployment experience.
• Open-source Solidity contributions.
• Passion for blockchain gaming.

We're seeking engineers who have built and deployed real blockchain applications, not just experimental projects. Experience with production systems, security best practices, and decentralized architectures is highly valued.