Smart Contract Engineer

Placements24; Centurion; Hybrid; ZAR 900,000 - 1,400,000; Full time

Benefits offered by this job

Token-based compensation

Hybrid work model

Cutting-edge blockchain tech exposure

Health insurance

Innovation culture

Continuous learning

Job summary

Placements24 is seeking a Smart Contract Engineer to design, test, and deploy secure contracts for DeFi and crypto projects in Centurion. You will write Solidity on Ethereum-compatible chains and help maintain auditable code for reliable transactions.

Candidates should have 3+ years in software, 2+ in smart contracts, strong ERC-20/721 knowledge, and experience with Truffle, Hardhat or Foundry. Hybrid work and token-based incentives are offered.

Qualifications

• Minimum of 3 years of professional software development experience, with at least 2 years in smart contract development.
• Strong understanding of Solidity and Ethereum Virtual Machine (EVM) compatible chains.
• Knowledge of token standards (ERC-20, ERC-721) and dApp patterns.
• Experience with development tools such as Truffle, Hardhat, or Foundry.
• Awareness of security best practices for smart contracts and common vulnerabilities.

Responsibilities

• Develop, deploy, and maintain smart contracts on Ethereum-compatible networks.
• Write comprehensive unit and integration tests for contract reliability and security.
• Participate in code reviews to uphold code quality.
• Collaborate with backend and product teams to integrate contracts into dApps.

Skills

Solidity

Blockchain

Unit testing

Security practices

Truffle

Hardhat

Foundry

EVM

Agile

Crypto

Tools

Truffle

Hardhat

Foundry

Job description

About the Role

Our client is searching for a talented Smart Contract Engineer to contribute to their innovative projects in Centurion. You will focus on writing, testing, and deploying secure and efficient smart contracts for various applications within the decentralized finance (DeFi) and crypto ecosystem. This role offers the chance to work with a dynamic team, leveraging your expertise in blockchain development to build robust and auditable code that underpins secure transactions and agreements. Join us in pushing the boundaries of what's possible with blockchain technology in Gauteng and be part of a company that values technical excellence and innovation in the blockchain space.

Key Responsibilities

• Develop, implement, and maintain smart contracts on platforms like Ethereum using Solidity.
• Write comprehensive unit and integration tests for smart contracts to ensure reliability and security.
• Participate in code reviews, providing and receiving constructive feedback to uphold code quality.
• Deploy and manage smart contracts in various network environments (testnets, mainnet).
• Troubleshoot and resolve issues related to smart contract execution and performance.
• Collaborate with backend developers and product teams to integrate smart contracts into dApps.

Requirements

• Minimum of 3 years of professional experience in software development, with at least 2 years focused on smart contract development.
• Strong proficiency in Solidity and experience with Ethereum Virtual Machine (EVM) compatible chains.
• Understanding of blockchain architecture, token standards (e.g., ERC-20, ERC-721), and decentralized application patterns.
• Familiarity with development tools such as Truffle, Hardhat, or Foundry.
• Experience with security best practices for smart contracts and awareness of common vulnerabilities.
• Ability to work effectively in an agile development environment and a passion for cryptocurrency and blockchain technology.

Benefits

• Competitive salary and potential for token-based compensation.
• Hybrid work arrangement to balance remote and office-based work.
• Exposure to cutting-edge blockchain technologies and projects.
• Health insurance and other standard employee benefits.
• A culture that encourages innovation and continuous learning.