Remote Frontend Engineer - AI UI Quality & Performance

Synthires; Greater London; Remote; GBP 60,000 - 90,000; Full time

Job summary

Synthires is seeking an experienced frontend engineer to evaluate AI-generated frontend code, UI implementations, and web applications. You will help improve accuracy, UI quality, and overall frontend performance while building responsive, accessible interfaces.

The role emphasizes pixel-accurate UI work, debugging, and collaboration across teams in a fully remote environment. Strong React/Angular/Vue skills and modern frontend tooling are required.

Qualifications

• Bachelor's degree or equivalent in a technical field.
• Professional frontend experience with modern frameworks.
• Experience delivering pixel-perfect UIs.
• Strong HTML, CSS, responsive design knowledge.
• Ability to work remotely and independently.
• Strong problem-solving and communication skills.

Responsibilities

• Evaluate AI-generated frontend code for correctness and quality.
• Build, review, and improve responsive, accessible web interfaces.
• Review AI-generated implementations for bugs, edge cases, and performance.
• Implement and evaluate components, design systems, and interactive features.
• Ensure pixel-accurate UI implementation across devices.
• Debug and refactor frontend codebases to improve performance and maintainability.
• Provide structured technical feedback to improve AI coding accuracy.

Skills

Frontend engineering

UI development

React/Angular/Vue

HTML & CSS

Responsive design

Debugging

Code review

Performance optimization

Independent work

Education

Bachelor's degree or equivalent in CS/Software Eng

Tools

Next.js

State management

Frontend testing frameworks

API integration

Git/GitHub

CI/CD pipelines

Job description

Synthires is seeking an experienced frontend engineer to evaluate AI-generated frontend code, UI implementations, and web applications. You will help improve accuracy, UI quality, and overall frontend performance while building responsive, accessible interfaces.

The role emphasizes pixel-accurate UI work, debugging, and collaboration across teams in a fully remote environment. Strong React/Angular/Vue skills and modern frontend tooling are required.