Remote Smart Contract Engineer – Flexible Hours & Growth

Placements24; East London; Hybrid; ZAR 420,000 - 650,000; Full time

Benefits offered by this job

Flexible hours

Remote work options

Professional development

Job summary

Placements24 seeks a Smart Contract Developer to design, develop, and deploy secure smart contracts for blockchain solutions. You will work with engineers and product teams, focusing on gas-efficient contracts and robust testing.

The ideal candidate has Solidity experience, knowledge of EVM and security, and proficiency in JavaScript or Python for tooling. Remote-friendly role with a forward-thinking, innovative team.

Qualifications

• Bachelor's degree or equivalent practical experience in a technical field.
• Proven experience in developing smart contracts with Solidity.
• Strong understanding of EVM, gas mechanics, and consensus algorithms.
• Experience with Hardhat/Truffle/Foundry and testing workflows.
• Proficiency in JavaScript or Python for scripting/tooling.
• Awareness of security best practices for smart contracts.
• Knowledge of common vulnerabilities and mitigations.

Responsibilities

• Develop, test, and deploy secure and gas-efficient smart contracts on Ethereum-based platforms.
• Write comprehensive unit and integration tests for all smart contract code.
• Participate in code reviews to ensure quality, security, and best practices.
• Collaborate with product managers and developers to define smart contract requirements.
• Optimize contract performance and explore new optimization techniques.
• Stay updated with evolving blockchain technologies and languages.
• Debug issues related to smart contract execution and security.
• Contribute to dApp design and architecture and document code clearly.
• Assist in security audits and vulnerability assessments of deployed contracts.

Skills

Solidity

JavaScript

Python

Blockchain concepts

Security best practices

Unit testing

Education

Bachelor's degree in Computer Science/Engineering or related field

Tools

Hardhat

Truffle

Foundry

Testing frameworks

Git

Job description

Placements24 seeks a Smart Contract Developer to design, develop, and deploy secure smart contracts for blockchain solutions. You will work with engineers and product teams, focusing on gas-efficient contracts and robust testing.

The ideal candidate has Solidity experience, knowledge of EVM and security, and proficiency in JavaScript or Python for tooling. Remote-friendly role with a forward-thinking, innovative team.