Senior Blockchain Developer (Remote) — DApps & Smart Contracts

Placements24; Johannesburg; Hybride; ZAR 900 000 - 1 300 000; Plein temps

Avantages offerts par ce poste

Health insurance

Stock options

Professional development

Résumé du poste

Placements24 is seeking a Senior Blockchain Developer to join a fully remote team building next‑generation DeFi products. The role focuses on secure smart contract development, scalable infrastructure, and cross‑platform deployment, with a strong emphasis on cryptography and distributed ledger technology.

The ideal candidate will have 5+ years in software development, at least 3 years in blockchain, and experience with Solidity, Hardhat, Truffle, and Web3.js.

Qualifications

• 5+ years of professional software development experience, with at least 3 years in blockchain.
• Proficiency in Solidity and smart contract development.
• Experience with Hardhat/Truffle and Web3.js.
• Strong cryptography and distributed ledger knowledge.
• Experience with Node.js, Python, or Go is a plus.
• Security-focused coding practices and audits.
• Excellent problem-solving and communication in a remote setting.

Responsabilités

• Design, develop, and deploy smart contracts on Ethereum, Solana, and Polygon.
• Develop and maintain core blockchain infrastructure and services.
• Collaborate with product managers and engineers to implement new features.
• Write secure, well-documented code following best practices.
• Conduct code reviews and provide constructive feedback to peers.
• Develop blockchain-based apps and dApps.
• Troubleshoot complex issues in blockchain networks and contracts.
• Stay updated on blockchain tech and crypto trends.
• Contribute to architectural decisions and technology selection.

Connaissances

Blockchain development

Solidity

Hardhat

Truffle

Web3.js

Distributed ledger

Cryptography

Node.js

Python

Go

Security best practices

Remote collaboration

Formation

Bachelor's or Master's in CS/Engineering

Outils

Hardhat

Truffle

Web3.js

Description du poste

Placements24 is seeking a Senior Blockchain Developer to join a fully remote team building next‑generation DeFi products. The role focuses on secure smart contract development, scalable infrastructure, and cross‑platform deployment, with a strong emphasis on cryptography and distributed ledger technology.

The ideal candidate will have 5+ years in software development, at least 3 years in blockchain, and experience with Solidity, Hardhat, Truffle, and Web3.js.