Senior Web3 Frontend Engineer | Hybrid

Placements24; Sandton; Hybrid; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Hybrid work model

Health, dental and vision insurance

Performance bonuses

Learning & development opportunities

Blockchain projects

Job summary

Placements24 is seeking a Senior Frontend Engineer with Web3 expertise in Sandton to build intuitive, secure interfaces for blockchain apps. You will bridge complex decentralized tech with user-friendly experiences, working closely with product and backend teams.

You will lead UI development, optimize performance, and help integrate wallets and smart contracts while maintaining high quality and documentation across projects.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 5+ years of frontend development experience, with at least 2 years focused on Web3 technologies.
• Proficiency in JavaScript/TypeScript and modern frontend frameworks like React, Vue, or Angular.
• Experience with blockchain wallets (e.g., MetaMask) and interacting with smart contracts via libraries like ethers.js or web3.js.
• Solid understanding of frontend performance optimization techniques and cross-browser compatibility.
• Familiarity with state management libraries and UI component libraries.

Responsibilities

• Develop and implement engaging and responsive user interfaces for Web3 applications using modern frontend frameworks.
• Integrate frontend applications with blockchain networks, smart contracts, and decentralized protocols.
• Optimize application performance for speed and scalability across various devices and browsers.
• Collaborate closely with UX/UI designers, product managers, and backend engineers to deliver high-quality products.
• Write clean, maintainable, and well-documented code, adhering to best practices and coding standards.
• Troubleshoot and debug frontend issues, ensuring a seamless user experience.

Skills

JavaScript/TypeScript

React/Vue/Angular

Web3 integration

Frontend performance

Cross-browser compatibility

State management

Education

Bachelor's degree in CS/SE

Tools

ethers.js

web3.js

MetaMask

Job description

Placements24 is seeking a Senior Frontend Engineer with Web3 expertise in Sandton to build intuitive, secure interfaces for blockchain apps. You will bridge complex decentralized tech with user-friendly experiences, working closely with product and backend teams.

You will lead UI development, optimize performance, and help integrate wallets and smart contracts while maintaining high quality and documentation across projects.