Senior Frontend Engineer – Web3, AI‑Driven UI & Tools

CryptoproNetwork; San Francisco (CA); Hybrid; USD 153,000 - 205,000; Full time

Job summary

Circle is a leading global internet financial platform building blockchain-based products and services. We seek a frontend engineer to build world-class Web3 consumer apps, web SDKs, and developer tools that integrate with Circle’s offerings and empower customers and partners.

You will collaborate with Product, Design, and Engineering to deliver reliable, scalable experiences for developers and end users, while promoting high-quality, accessible UI practices across teams.

Qualifications

• 4+ years of experience building user interfaces for complex web apps.
• Strong proficiency in HTML, CSS, TypeScript, and JavaScript.
• Experience with React and responsive component-based design.
• Familiarity with AI-assisted development tools and testing practices.
• Excellent written and verbal communication; collaborative work style.
• Experience collaborating with product, design, and distributed teams.

Responsibilities

• Build and maintain responsive Web3 applications using modern frontend tech.
• Develop web SDKs and tools to simplify integration with Circle products.
• Create reusable, accessible frontend components across products.
• Partner with Product/Design to translate user needs into features.
• Develop internal tools to assist Customer Success teams.
• Participate in code/design reviews to improve quality and consistency.
• Employ automated testing and CI/CD to speed engineering velocity.

Skills

HTML

CSS

TypeScript

JavaScript

React

AI-assisted development tools

Code quality

Collaboration

Communication

Tools

Node.js

SDKs

Web3

Blockchain

Job description

Circle is a leading global internet financial platform building blockchain-based products and services. We seek a frontend engineer to build world-class Web3 consumer apps, web SDKs, and developer tools that integrate with Circle’s offerings and empower customers and partners.

You will collaborate with Product, Design, and Engineering to deliver reliable, scalable experiences for developers and end users, while promoting high-quality, accessible UI practices across teams.