Lead Blockchain dApp Architect — Smart Contracts

Placements24; Benoni; On-site; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Competitive pay

Medical & dental insurance

Retirement plan

Paid annual leave & sick days

Learning & development opportunities

Dynamic team in Benoni

Career growth

Job summary

Placements24 in Benoni, Gauteng, is seeking a Senior Blockchain Developer to design, build and deploy sophisticated dApps on Ethereum-compatible networks. You will work with Solidity smart contracts and front-end integrations using Web3 libraries to deliver secure, scalable solutions.

Join a fast-paced crypto team in ZA office, collaborating across disciplines to drive architectural decisions, adopt new blockchain tools, and ensure high code quality and performance while mentoring junior

Qualifications

• Experience building and deploying decentralized applications (dApps).
• Strong Solidity development and Ethereum protocol knowledge.
• Frontend integration using Web3 libraries and modern JS frameworks.
• Solid debugging and secure coding practices.

Responsibilities

• Design, develop, test and deploy scalable dApps.
• Write secure smart contracts in Solidity.
• Integrate front-end interfaces with blockchain networks via Web3.
• Collaborate with UI/UX designers for intuitive dApps.
• Optimize performance and user experience of dApps.
• Participate in code reviews and stay updated on blockchain tech.

Skills

dApps development

Solidity

React

Git

Education

Bachelor's degree in Computer Science / Software Engineering

Tools

Web3.js

ethers.js

Truffle

Hardhat

Ganache

Job description

Placements24 in Benoni, Gauteng, is seeking a Senior Blockchain Developer to design, build and deploy sophisticated dApps on Ethereum-compatible networks. You will work with Solidity smart contracts and front-end integrations using Web3 libraries to deliver secure, scalable solutions.

Join a fast-paced crypto team in ZA office, collaborating across disciplines to drive architectural decisions, adopt new blockchain tools, and ensure high code quality and performance while mentoring junior