Senior Smart Contract Developer (Remote)

Placements24; United States; Remote; USD 180,000 - 240,000; Full time

Job summary

Placements24, a global client seeking DeFi leadership, is hiring a Senior Smart Contract Developer for a fully remote role. You will design, audit, and deploy secure contracts, optimize gas usage, and contribute to scalable DeFi protocols on Ethereum.

Required are 5+ years in software with 3+ years in smart contracts, strong Solidity expertise, and solid grasp of security best practices. Remote collaboration in an asynchronous team is essential, with ongoing security imperatives and performance

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or related field, or equivalent work experience.
• 5+ years of professional software development experience, with at least 3 years focused on smart contract development.
• Expert-level proficiency in Solidity and experience with other smart contract languages (e.g., Vyper, Yul).
• Deep understanding of Ethereum Virtual Machine (EVM) and its nuances.
• Proven experience developing and deploying complex DeFi protocols.
• Strong knowledge of smart contract security best practices, common vulnerabilities, and mitigation techniques.
• Experience with development frameworks like Hardhat, Truffle, or Foundry.
• Familiarity with Web3 libraries (Ethers.js, Web3.js) for interacting with smart contracts.
• Excellent problem-solving skills and meticulous attention to detail.
• Strong communication skills and the ability to work effectively in a fully remote, asynchronous team environment.

Responsibilities

• Design, develop, audit, and deploy secure and gas-efficient smart contracts using Solidity and other relevant languages.
• Collaborate closely with product managers, researchers, and other engineers to define smart contract requirements and specifications.
• Implement complex DeFi protocols, including lending, borrowing, trading, and asset management mechanisms.
• Write comprehensive unit and integration tests to ensure the reliability and security of smart contracts.
• Conduct rigorous security reviews and vulnerability assessments of smart contract code.
• Optimize smart contracts for performance, scalability, and cost-effectiveness.
• Stay up-to-date with the latest developments in smart contract security, DeFi trends, and blockchain technology.
• Contribute to the architectural decisions and technical roadmap of the platform.
• Participate in code reviews, providing constructive feedback to peers.
• Troubleshoot and debug issues related to smart contract execution and on-chain interactions.

Skills

Solidity

Ethereum & EVM knowledge

Remote collaboration

Secure coding practices

Gas optimization

Education

Bachelor's or Master's in CS/Engineering

Tools

Hardhat

Truffle

Foundry

Ethers.js

Web3.js

Job description

About the Role

Our client, a globally recognized leader in decentralized finance (DeFi), is looking for a highly experienced Senior Smart Contract Developer to join their fully remote team. This is a unique opportunity to work from anywhere and contribute to the development of sophisticated financial instruments and protocols on the blockchain. You will play a pivotal role in designing, writing, testing, and deploying secure and efficient smart contracts that power their cutting-edge DeFi platform. The ideal candidate is a seasoned developer with a deep understanding of blockchain security, gas optimization, and the intricacies of smart contract development on platforms like Ethereum. If you are passionate about DeFi and want to make a significant impact in a remote-first environment, we encourage you to apply.

Key Responsibilities

• Design, develop, audit, and deploy secure and gas-efficient smart contracts using Solidity and other relevant languages.
• Collaborate closely with product managers, researchers, and other engineers to define smart contract requirements and specifications.
• Implement complex DeFi protocols, including lending, borrowing, trading, and asset management mechanisms.
• Write comprehensive unit and integration tests to ensure the reliability and security of smart contracts.
• Conduct rigorous security reviews and vulnerability assessments of smart contract code.
• Optimize smart contracts for performance, scalability, and cost-effectiveness.
• Stay up-to-date with the latest developments in smart contract security, DeFi trends, and blockchain technology.
• Contribute to the architectural decisions and technical roadmap of the platform.
• Participate in code reviews, providing constructive feedback to peers.
• Troubleshoot and debug issues related to smart contract execution and on-chain interactions.

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent work experience.
• 5+ years of professional software development experience, with at least 3 years focused specifically on smart contract development.
• Expert-level proficiency in Solidity and experience with other smart contract languages (e.g., Vyper, Yul).
• Deep understanding of Ethereum Virtual Machine (EVM) and its nuances.
• Proven experience developing and deploying complex DeFi protocols.
• Strong knowledge of smart contract security best practices, common vulnerabilities, and mitigation techniques.
• Experience with development frameworks like Hardhat, Truffle, or Foundry.
• Familiarity with Web3 libraries (e.g., Ethers.js, Web3.js) for interacting with smart contracts.
• Excellent problem-solving skills and a meticulous attention to detail.
• Strong communication skills and the ability to work effectively in a fully remote, asynchronous team environment.

Benefits

This is a fully remote position offering unparalleled flexibility. Our client provides a highly competitive salary, equity options, and comprehensive benefits packages, including health, dental, and vision insurance. They foster a culture of continuous learning and provide generous stipends for professional development, conferences, and home office setup. You will have the opportunity to work alongside some of the brightest minds in the DeFi space, contributing to impactful projects that are shaping the future of finance. This role offers significant career growth potential within a fast-paced and innovative company.