DeFi Smart Contract Engineer — Hybrid & Impactful

Placements24; Vereeniging; Hybrid; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Hybrid work model

Competitive salary and bonuses

Generous paid time off

Health insurance options

Job summary

Placements24 in Vereeniging, Gauteng, seeks a Smart Contract Developer to design, implement, test, and audit secure contracts on Ethereum-compatible networks. You will write Solidity, review code, and contribute to DeFi dApps with a strong emphasis on security and reliability.

Join a fast-growing fintech startup offering hybrid work in Vereeniging, with opportunities to work on cutting-edge blockchain technology, scalable architecture, and a collaborative culture.

Qualifications

• Proven experience as Smart Contract/Blockchain developer.
• Strong Solidity and EVM proficiency.
• Experience with Ethereum-compatible networks and deployment.
• Knowledge of ERC-20 and ERC-721 standards.
• Security-focused with audit experience.
• Ability to write unit and integration tests.
• Understanding of cryptography and blockchain fundamentals.
• Bachelor's degree or equivalent experience.

Responsibilities

• Develop, test, and deploy smart contracts on Ethereum-compatible chains.
• Write secure, efficient Solidity code.
• Review code and audit contracts to mitigate vulnerabilities.
• Develop and maintain dApps and integrate with frontends and backends.
• Collaborate with engineers to define requirements and specs.
• Document deployment procedures and contract logic.

Skills

Solidity

EVM

Smart contract security

Testing (unit/integration)

Truffle/Hardhat/Foundry

Cryptography basics

Education

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

Tools

Truffle

Hardhat

Foundry

OpenZeppelin

Job description

Placements24 in Vereeniging, Gauteng, seeks a Smart Contract Developer to design, implement, test, and audit secure contracts on Ethereum-compatible networks. You will write Solidity, review code, and contribute to DeFi dApps with a strong emphasis on security and reliability.

Join a fast-growing fintech startup offering hybrid work in Vereeniging, with opportunities to work on cutting-edge blockchain technology, scalable architecture, and a collaborative culture.