Senior Frontend Engineer — Next.js & Pixel-Perfect UI

Thaia; New York (NY); On-site; GBP 65,000 - 110,000; Full time

Benefits offered by this job

Flexible equipment

Food & transport

Wellness stipend

Flexible PTO

Occasional travel

Relocation support

Job summary

Thaia is seeking a Senior Front-end Engineer to join our on-site team in the UK. You will transform wireframes into polished interfaces using React, Next.js and TypeScript, focusing on performance and accessibility.

You’ll collaborate with design and engineering to deliver pixel-perfect experiences and contribute to scalable front-end architecture. Ideal candidates have a strong portfolio, experience with Tailwind CSS or SASS/SCSS, and a passion for fast, delightful user interfaces in a

Qualifications

• Expertise in React, Next.js and TypeScript with strong state management.
• Proven ability to architect scalable Next.js apps (App Router, SSR/SSG/ISR).
• Experience with Tailwind CSS or SASS/SCSS delivering polished UIs.
• Familiar with fetch libraries like react-query.
• Hands-on with CSS animations and layout techniques.
• A strong portfolio of high-quality front-end work.

Responsibilities

• Build and refine high-quality user interfaces from wireframes.
• Implement precise CSS for pixel-perfect experiences.
• Optimize front-end performance for seamless interactions.
• Collaborate with design and engineering to realize ideas quickly.
• Contribute to core front-end architecture and best practices.

Skills

React

Next.js

TypeScript

State management

Performance optimization

Tailwind CSS

UI/UX

Startup experience

Tools

react-query

CSS animations

GSAP

R3F/Three.js

Caching/CDN

i18n / l10n

React Server Components

Job description

Thaia is seeking a Senior Front-end Engineer to join our on-site team in the UK. You will transform wireframes into polished interfaces using React, Next.js and TypeScript, focusing on performance and accessibility.

You’ll collaborate with design and engineering to deliver pixel-perfect experiences and contribute to scalable front-end architecture. Ideal candidates have a strong portfolio, experience with Tailwind CSS or SASS/SCSS, and a passion for fast, delightful user interfaces in a