Senior Frontend Engineer - Equity & High-Impact AdTech

Jack & Jill/External ATS; Greater London; On-site; GBP 100,000 - 125,000; Full time

Job summary

A growing technology company in London is seeking a Senior Frontend Engineer to architect and scale the frontend for an ad platform managing over 450,000 ads monthly. This senior role is ideal for candidates with 5+ years of experience in React and Next.js, particularly those with expertise in Zustand and a passion for performance testing. Competitive compensation and equity options are offered in this fast-paced startup environment.

Qualifications

• 5+ years building production React/Next.js apps, with explicit Zustand expertise.
• Skilled at state management in large, complex, data-heavy applications.
• Believes testing is paramount and thrives in a fast-paced startup culture.

Responsibilities

• Architect and scale the frontend for an app launching 450,000+ ads/month.
• Implement robust state management to handle complex, async, and data-heavy workflows.
• Build production-grade testing frameworks to support safe continuous deployment.

Skills

React

Next.js

State management

Zustand

Testing frameworks

Job description

A growing technology company in London is seeking a Senior Frontend Engineer to architect and scale the frontend for an ad platform managing over 450,000 ads monthly. This senior role is ideal for candidates with 5+ years of experience in React and Next.js, particularly those with expertise in Zustand and a passion for performance testing. Competitive compensation and equity options are offered in this fast-paced startup environment.