Senior Blockchain Engineer - Remote DApps & Smart Contracts

Placements24; Johannesburg; Hybrid; ZAR 1.976.000 - 2.964.000; Vollzeit

Benefits dieser Stelle

Competitive salary

Health benefits

Professional growth opportunities

Stock option plan

Zusammenfassung

Placements24 is seeking a Senior Blockchain Developer for a remote-first team. You will design, build, test, and deploy smart contracts and dApps across leading blockchains.

The role emphasizes security, gas optimization, and collaboration with product teams to deliver scalable Web3 solutions. You will work with Solidity, Hardhat, Truffle, Web3.js and Ethers.js, while exploring additional platforms like Solana and Polkadot.

Qualifikationen

• Bachelor's or Master's degree in CS, Engineering, or related field, or equivalent practical experience.
• 5+ years of professional software development, with at least 3 years in blockchain.
• Proven experience writing, testing, and deploying Solidity smart contracts.
• Experience with Hardhat, Truffle, Web3.js or Ethers.js.
• Familiarity with Solana, Polkadot or Cosmos beyond Ethereum.
• Proficiency in Node.js, Python or Go.

Aufgaben

• Design, test, and deploy smart contracts on Ethereum, Solana and Polygon using Solidity.
• Architect and build scalable and secure dApps.
• Collaborate with product managers, designers and engineers to translate requirements.
• Conduct code reviews to ensure quality, security and best practices.
• Optimize smart contract performance and gas efficiency.
• Research and integrate new blockchain technologies and protocols.
• Develop and maintain documentation for smart contracts and architecture.
• Troubleshoot smart contract execution and dApp functionality.
• Stay current with blockchain trends and crypto developments.
• Mentor junior developers and contribute to knowledge sharing.

Kenntnisse

Smart contract development

Blockchain fundamentals

Backend development

Problem-solving

Remote collaboration

Ausbildung

Bachelor's or Master's in CS/Engineering

Equivalent practical experience

Tools

Hardhat

Truffle

Web3.js

Ethers.js

IPFS

Jobbeschreibung

Placements24 is seeking a Senior Blockchain Developer for a remote-first team. You will design, build, test, and deploy smart contracts and dApps across leading blockchains.

The role emphasizes security, gas optimization, and collaboration with product teams to deliver scalable Web3 solutions. You will work with Solidity, Hardhat, Truffle, Web3.js and Ethers.js, while exploring additional platforms like Solana and Polkadot.