Senior Front-End Engineer – DeFi/Web3 Startup

JR United Kingdom; London; Hybrid; GBP 150,000; Full time

Job summary

A leading Web3 startup is seeking a Senior Front-End Engineer to join their innovative team in London. This role involves architecting scalable front-end solutions and defining UI/UX standards while working closely with product and design teams. The candidate will have the exciting opportunity to shape the engineering culture as the company grows, with competitive compensation and equity.

Qualifications

• 6+ years experience in building secure, responsive web applications.
• Deep knowledge of ReactJS and modern state management solutions.
• Strong design sensibilities and ability to ensure user-centric experiences.

Responsibilities

• Architect and build scalable front-ends for AI-driven tools.
• Define UI/UX standards and lead the frontend tech stack.
• Collaborate with product and design teams for rapid delivery.

Skills

HTML5

CSS3

TypeScript

ReactJS

UI/UX Design

Responsive Web Design

State Management

Backend APIs

Job description

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Senior Front-End Engineer – DeFi/Web3 Startup, London

Client: DATAHEAD

Location: London, United Kingdom

Job Category: Other

EU work permit required: Yes

Job Views:

4

Posted:

26.06.2025

Expiry Date:

10.08.2025

Job Description:

Senior Front-End Engineer – DeFi/Web3 Startup

Location: Hybrid (2–3 days/week in London)

Salary: Up to £150,000 + Equity

Type: Full-Time, Permanent

Join one of the most exciting early-stage Web3 startups on the market.

As the first Senior Front-End Engineer, you will:

• Architect and build slick, scalable front-ends for AI-driven tools
• Define UI/UX standards and lead the frontend tech stack
• Own key components, libraries and interfaces across the platform
• Collaborate closely with product and design to ship fast and smart
• Get hands-on with backend APIs and sockets when needed
• Help shape engineering culture, mentor others, and drive quality

What You’ll Bring

• 6+ years of experience building secure, responsive web apps (HTML5, CSS3, TypeScript)
• Deep knowledge of ReactJS and modern state management (Redux, Zustand, etc.)
• A strong eye for design and seamless user experience
• Comfort in ambiguity and rapid prototyping
• Curiosity about full-stack and real-time (socket-heavy) environments
• Passion for DeFi, Web3, or building cutting-edge developer tools

This is a rare opportunity to get in early and shape the future!