Senior Smart Contract Engineer

Placements24; Pretoria; Hybrid; ZAR 1,921,000 - 2,881,000; Full time

Benefits offered by this job

Competitive salary

Remote work

Health insurance

Professional development

Job summary

Placements24 is seeking a Senior Smart Contract Engineer to design, develop, test, and deploy secure smart contracts for decentralized applications. The role emphasizes a deep understanding of Solidity, EVM-compatible blockchains, and secure coding practices in a fast-paced, remote environment.

You will collaborate with product teams to deliver scalable blockchain solutions, perform security audits, and mentor junior engineers while contributing to the team’s knowledge sharing and best practices.

Qualifications

• 5+ years of professional software engineering experience, with at least 2 years focused on smart contract development.
• Expertise in Solidity and experience with EVM-compatible blockchains.
• Strong understanding of blockchain concepts, cryptography, and token standards (ERC-20, ERC-721).
• Experience with smart contract testing frameworks (Hardhat, Truffle) and security analysis tools.
• Proficiency in JavaScript, Python, or Go.
• Excellent problem-solving skills and a proactive approach in a remote setting.

Responsibilities

• Develop, test, and deploy robust and secure smart contracts on Ethereum-based platforms.
• Optimize gas usage and performance for scalability.
• Collaborate with frontend and backend teams to integrate contracts into applications.
• Conduct security audits and code reviews to identify vulnerabilities.
• Contribute to architecture of dApps and protocols.
• Mentor junior engineers and share best practices in smart contract development.

Job description

About the Role

Our client is actively seeking a highly experienced and motivated Senior Smart Contract Engineer to join their globally distributed team. As a remote-first organization, we empower our engineers to contribute from anywhere, focusing on impact and collaboration. You will be instrumental in designing, developing, testing, and deploying secure and efficient smart contracts for various decentralized applications and platforms. This role requires a deep understanding of blockchain principles, a passion for secure coding practices, and the ability to thrive in a fast-paced, agile development environment. You will collaborate with product managers, designers, and other engineers to bring innovative blockchain solutions to life, pushing the boundaries of what's possible in the decentralized web.

Key Responsibilities

• Develop, test, and deploy robust and secure smart contracts on blockchain platforms like Ethereum using Solidity.
• Optimize smart contract performance and gas efficiency for maximum scalability and cost-effectiveness.
• Collaborate with frontend and backend engineers to integrate smart contracts into user-facing applications and backend services.
• Conduct thorough security audits and code reviews of smart contracts to identify and mitigate potential vulnerabilities.
• Contribute to the design and architecture of decentralized applications (dApps) and protocols.
• Mentor junior engineers and contribute to the team's knowledge sharing and best practices in smart contract development.

Requirements

• 5+ years of professional software engineering experience, with at least 2 years focused on smart contract development.
• Expertise in Solidity and experience with EVM-compatible blockchains.
• Strong understanding of blockchain concepts, cryptography, and token standards (e.g., ERC-20, ERC-721).
• Experience with smart contract testing frameworks (e.g., Hardhat, Truffle) and security analysis tools.
• Proficiency in one or more general-purpose programming languages (e.g., JavaScript, Python, Go).
• Excellent problem-solving skills and a proactive approach to identifying and resolving technical challenges in a remote setting.

Benefits

• Highly competitive salary and token-based compensation options.
• Full remote work flexibility with a global team.
• Comprehensive health, dental, and vision insurance plans.
• Generous opportunities for professional development and continuous learning.
• A culture that values transparency, collaboration, and innovation.