Principal Engineer, FRONTEND - UK Focus

Net Talent; United Kingdom; Remote; GBP 100,000 - 125,000; Full time

Job summary

A UK based tech company is seeking a Principal Frontend Engineer to drive the UI strategy for a high-impact product team. This fully remote role requires strong expertise in UI/UX design and significant experience with React, NextJS, and TypeScript. The ideal candidate will lead design and development of responsive interfaces while mentoring other engineers. Excellent opportunity for UI experts passionate about user experience and scaling digital products.

Qualifications

• Expert ability in UI/UX design beyond implementation.
• Strong hands-on experience with React, NextJS, and TypeScript.
• Experience with building performant, component-driven UIs.

Responsibilities

• Lead design and development of responsive UIs using React, NextJS, and TypeScript.
• Own and drive frontend technical strategy and architecture.
• Translate design concepts into production-ready interfaces.
• Mentor other frontend engineers and oversee performance optimization.

Skills

UI/UX design

React

NextJS

TypeScript

Performance optimization

Tools

TailwindCSS

AWS

Prototyping Tools (Replit, Vercel)

Data Visualization Libraries

Job description

Principal Engineer

• Frontend UI Focus
• 12 month contract, fully remote

MUST have right to work in the UK.

About the Role

We’re hiring a Principal Frontend Engineer with a strong UI/UX focus to lead and shape the frontend strategy for a high-impact product team. This role is ideal for someone who’s not only an expert in modern frontend development but also deeply skilled in UI design and user experience.

You’ll be the go-to lead for all things UI—working closely with designers, backend engineers, and product stakeholders to translate user needs into beautifully crafted interfaces that scale.

What You’ll Do

• Lead the design and development of intuitive, responsive UIs using React, NextJS, and TypeScript
• Own and drive the frontend technical strategy and architecture
• Translate design concepts into production-ready interfaces
• Collaborate with product and UX teams to improve user journeys
• Support and mentor other frontend engineers
• Oversee performance optimisation and accessibility standards
• Contribute to prototyping and experimentation with emerging tools

Essential Skills & Experience

• Proven ability in UI/UX design — not just implementation, but actually designing user interfaces
• Strong hands-on experience with React, NextJS, and TypeScript
• Experience building modern, component-driven UIs with performance and scalability in mind

Nice to Have / Strongly Preferred

• TailwindCSS – for styling consistency and speed
• AWS Deployment Experience – for DevOps handover and autonomy
• Prototyping Tools – Replit or Vercel experience
• Data Visualisation Libraries – such as D3.js, Highcharts, or similar