Senior DeFi Blockchain Engineer - Hybrid

Placements24; Randburg; Hybrid; ZAR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Hybrid work model

Career growth opportunities

Cutting-edge technology

Job summary

Placements24 in Randburg, Gauteng, is seeking a Senior Blockchain Developer to design, build, and deploy secure DeFi smart contracts and dApps. The role blends in-office collaboration with remote flexibility in a hybrid arrangement.

You will work with Solidity, Hardhat or Truffle, review security, optimize gas, and collaborate with product and engineering teams to deliver innovative crypto financing products in a fast-paced fintech environment.

Qualifications

• Bachelor's degree or equivalent in a technical field.
• Proven track record as a blockchain developer with DeFi focus.
• Strong knowledge of Solidity and smart contract security patterns.

Responsibilities

• Architect, develop, and deploy secure smart contracts for DeFi protocols.
• Build and maintain robust decentralized applications (dApps).
• Integrate smart contracts with financial instruments and services.
• Optimize smart contract performance and gas efficiency.
• Conduct testing, code reviews, and security audits.

Skills

Solidity

DeFi expertise

Smart contract security

Hardhat / Truffle

Education

Bachelor's degree in Computer Science or Engineering

Tools

Hardhat

Truffle

Job description

Placements24 in Randburg, Gauteng, is seeking a Senior Blockchain Developer to design, build, and deploy secure DeFi smart contracts and dApps. The role blends in-office collaboration with remote flexibility in a hybrid arrangement.

You will work with Solidity, Hardhat or Truffle, review security, optimize gas, and collaborate with product and engineering teams to deliver innovative crypto financing products in a fast-paced fintech environment.