Remote Frontend Engineer: AI UI & Code Quality Expert

Synthires; España; Remote; EUR 40,000 - 70,000; Full time

Job summary

Synthires is seeking a frontend engineer to apply engineering expertise in evaluating AI-generated frontend code, UI implementations, and web applications. You'll help improve coding accuracy, reasoning, UI quality, and software engineering capabilities of next-generation AI systems.

The role emphasizes strong frontend skills, including React/Angular/Vue, HTML/CSS, responsive design, and pixel-perfect interfaces. You will work in a fully remote setup, collaborating with teams across locations.

Qualifications

• Bachelor's degree or equivalent professional experience in a technical field.
• Professional frontend experience in web development or UI engineering.
• Experience with React, Angular, Vue.js or similar.
• Strong HTML, CSS, responsive design and component-based architecture.
• Experience delivering pixel-accurate UI and style guides.
• Strong debugging, code review, and performance optimization skills.
• Excellent analytical thinking and written communication.
• Ability to work fully remotely.

Responsibilities

• Evaluate AI-generated frontend code, UI implementations, and web apps for correctness and quality.
• Build, review, and improve responsive, accessible web interfaces.
• Identify bugs, edge cases, rendering issues, accessibility concerns, and bottlenecks.
• Implement and evaluate components, design systems, and interactive web features.
• Ensure pixel-perfect UI across devices and screen sizes.
• Debug and refactor frontend codebases to improve performance and maintainability.
• Provide structured technical feedback to improve AI coding accuracy and frontend development.

Skills

Frontend engineering

Frontend development

Web development

UI engineering

React

Angular

Vue.js

HTML

CSS

Responsive design

Pixel-precise UI implementation

Debugging

Code review

Performance optimization

Independent remote work

Analytical thinking

Written communication

Education

Bachelor's degree or equivalent in Computer Science or related field

Tools

Next.js

Git

GitHub

CI/CD pipelines

API integration

Design systems

UI component libraries

Job description

Synthires is seeking a frontend engineer to apply engineering expertise in evaluating AI-generated frontend code, UI implementations, and web applications. You'll help improve coding accuracy, reasoning, UI quality, and software engineering capabilities of next-generation AI systems.

The role emphasizes strong frontend skills, including React/Angular/Vue, HTML/CSS, responsive design, and pixel-perfect interfaces. You will work in a fully remote setup, collaborating with teams across locations.