Secure Smart Contract Engineer – DeFi & Blockchain Expert

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

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