Remote Lead Blockchain Architect & dApp Leader

Placements24; Sandton; Hybrid; ZAR 2,538,000 - 3,892,000; Full time

Benefits offered by this job

Highly competitive salary

Token/equity compensation

Fully remote

Flexible work hours

Health & wellness benefits

Job summary

Placements24 is seeking a Lead Blockchain Developer to guide a remote team in designing, developing, and deploying secure smart contracts and dApps across multiple blockchains. You will define architecture, mentor developers, and drive technical innovation in a fast-growing DeFi startup.

You will work with Ethereum, Binance Smart Chain, and Polygon, implement security audits, review code, and collaborate with product and design to ship features rapidly.

Qualifications

• 6+ years software development experience, with 3+ years in blockchain
• Proven experience in developing smart contracts using Solidity or Vyper
• Deep understanding of blockchain architecture, consensus, and cryptography
• Familiarity with DeFi protocols and security best practices
• Experience with Hardhat, Truffle, or Ganache

Responsibilities

• Lead design, development, testing, and deployment of smart contracts and dApps on Ethereum, BSC, Polygon
• Architect robust, secure blockchain solutions with scalability in mind
• Write clean, well-documented, thoroughly tested code
• Conduct security audits and vulnerability assessments of contracts and dApps
• Mentor junior blockchain developers and drive technical excellence
• Collaborate with product managers, designers, and other developers to implement new features
• Stay updated with latest blockchain tech, cryptography, and DeFi protocols
• Contribute to technical strategy and roadmap for the team
• Participate in code reviews to improve code quality

Skills

Leadership

Smart contracts

Security

Blockchain architecture

Cryptography

DeFi protocols

JavaScript

Node.js

Web3 libraries

Education

Bachelor's or Master's in CS/Engineering

Tools

Hardhat

Truffle

Ganache

Job description

Placements24 is seeking a Lead Blockchain Developer to guide a remote team in designing, developing, and deploying secure smart contracts and dApps across multiple blockchains. You will define architecture, mentor developers, and drive technical innovation in a fast-growing DeFi startup.

You will work with Ethereum, Binance Smart Chain, and Polygon, implement security audits, review code, and collaborate with product and design to ship features rapidly.