Fully Remote DeFi Engineer: Build Secure Smart Contracts

Placements24; Sandton; Hybrid; ZAR 1,361,000 - 2,722,000; Full time

Job summary

Placements24 is seeking a Decentralized Finance Engineer for a fully remote role. You will design, develop, and deploy secure DeFi smart contracts and backend services across Ethereum or EVM-compatible chains, collaborating across time zones to drive innovative financial products.

The role emphasizes autonomy, security-focused development, and ongoing research into DeFi strategies and tokenomics, with a remote-first, globally distributed team.

Qualifications

• Proven experience as a Software Engineer with a focus on DeFi.
• Expertise in Solidity and smart contract development for Ethereum or EVM-compatible chains.
• Deep understanding of DeFi protocols (AMMs, liquidity mining, flash loans) and tokenomics.
• Experience with blockchain frameworks (Hardhat, Foundry, Truffle).
• Familiarity with Web3.js/Ethers.js and interacting with smart contracts.
• Strong financial market understanding and ability to work remotely.

Responsibilities

• Develop, test, and deploy secure smart contracts for DeFi apps.
• Write robust backend services to support DeFi operations.
• Integrate with blockchain networks and layer-2 solutions.
• Collaborate with product managers and designers to translate DeFi concepts into products.
• Conduct code reviews and enforce security best practices.
• Research and implement new DeFi strategies and tokenomics models.
• Monitor contract performance and security, respond to incidents.
• Stay updated on DeFi developments and trends.
• Optimize contracts for gas efficiency and performance.
• Contribute to architecture and roadmap of DeFi products.

Skills

Solidity

DeFi

Smart contract

Ethereum

Web3/Ethers

Remote work

Contractor experience

Education

Degree in CS/Finance

Tools

Hardhat

Foundry

Truffle

Web3.js

Ethers.js

Job description

Placements24 is seeking a Decentralized Finance Engineer for a fully remote role. You will design, develop, and deploy secure DeFi smart contracts and backend services across Ethereum or EVM-compatible chains, collaborating across time zones to drive innovative financial products.

The role emphasizes autonomy, security-focused development, and ongoing research into DeFi strategies and tokenomics, with a remote-first, globally distributed team.