Smart Contract Engineer

Placements24; Durban; On-site; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

On-site work environment fosteringcoll

Health and wellness benefits

Career progression opportunities

Team events

Competitive salary

Job summary

Placements24 is seeking a meticulous Smart Contract Engineer in Durban to design, test, and deploy secure, gas-efficient contracts on Ethereum-compatible networks. You’ll work closely with engineering and product teams to deliver robust blockchain solutions and advance security-centric development practices.

The role emphasizes strong Solidity development, DeFi/NFT engagements, and collaboration with front-end teams to integrate contracts into user-facing applications, while promoting code

Qualifications

• Production-ready smart contracts built with Solidity.
• Understanding of EVM, gas optimization and common vulnerabilities.
• Familiarity with Hardhat, Truffle or Foundry.
• Proficient in testing and scripting.

Responsibilities

• Develop, test, and deploy secure, gas-efficient smart contracts on EVM chains.
• Audit DeFi protocols, NFTs, and blockchain apps.
• Ensure security via testing, verification, and audits.
• Collaborate with front-end/back-end to integrate contracts.
• Contribute to development process improvements and reviews.

Skills

Solidity

EVM concepts

Smart contract testing

JavaScript/TypeScript

Security best practices

Tools

Hardhat

Truffle

Foundry

Job description

About the Role

Our client is looking for a meticulous and skilled Smart Contract Engineer to join their dynamic team in Durban . In this role, you will be responsible for writing, testing, and deploying secure and efficient smart contracts for various blockchain applications. You will work closely with the engineering and product teams to bring innovative decentralized solutions to life, ensuring the integrity and reliability of blockchain-based systems. This position offers an exciting opportunity to contribute to groundbreaking projects within the crypto and blockchain space, working in a collaborative environment that values technical excellence and security above all else.

Key Responsibilities

• Develop, test, and deploy secure and gas-efficient smart contracts on EVM-compatible blockchains (e.g., Ethereum, Polygon).
• Implement and audit decentralized finance (DeFi) protocols, NFTs, and other blockchain-based applications.
• Ensure the security and integrity of smart contracts through rigorous testing, formal verification, and code audits.
• Collaborate with front-end and back-end developers to integrate smart contracts into user-facing applications.
• Research and implement best practices for smart contract development and security.
• Participate in code reviews and contribute to the continuous improvement of the development process.

Requirements

• Proven experience in developing and deploying production-ready smart contracts using Solidity.
• Strong understanding of blockchain technologies, including EVM, gas optimization, and common vulnerabilities.
• Familiarity with smart contract development frameworks such as Hardhat, Truffle, or Foundry.
• Experience with testing methodologies for smart contracts and blockchain applications.
• Proficiency in JavaScript or TypeScript for testing and scripting.
• Ability to write clean, well-documented, and maintainable code.

Benefits

• Attractive salary and performance bonuses.
• Comprehensive health and wellness benefits.
• On-site work environment fostering collaboration and team spirit.
• Opportunities for skill enhancement and career progression within the blockchain domain.
• Regular team events and a positive workplace culture.