Remote Frontend Engineer - AI UI Quality & Performance

Synthires; Poland; On-site; PLN 275,000 - 458,000; Full time

Job summary

Synthires is seeking a frontend engineering specialist to evaluate AI-generated frontend code, UI implementations, and web applications. You will ensure correctness, performance, and accessibility while building responsive, pixel-perfect interfaces.

Ideal candidates have experience with React/Angular/Vue.js, HTML/CSS, and modern tooling. This remote role offers flexible collaboration and high-quality web development challenges for distributed teams.

Qualifications

• Bachelor's degree or equivalent in Computer Science, Software Engineering, Information Technology, or a related field.
• Professional experience in frontend engineering, frontend development, web development, or UI engineering.
• Experience with modern frontend frameworks such as React, Angular, Vue.js, or similar technologies.
• Strong understanding of HTML, CSS, responsive design, and component-based architecture.
• Experience implementing pixel-accurate user interfaces and component style guides.
• Strong debugging, code review, performance optimization, and frontend problem-solving.
• Ability to work independently in a fully remote environment.

Responsibilities

• Evaluate AI-generated frontend code, web applications, and UI implementations for correctness, quality, maintainability, and performance.
• Build, review, and improve responsive, accessible, and user-friendly web interfaces.
• Review AI-generated implementations for bugs, edge cases, rendering issues, accessibility concerns, and performance bottlenecks.
• Implement and evaluate components, design systems, user interfaces, and interactive web features.
• Ensure pixel-accurate UI implementation while maintaining responsiveness across devices and screen sizes.
• Debug and refactor existing frontend codebases to improve performance, scalability, and maintainability.
• Provide structured technical feedback to improve AI coding accuracy, reasoning, and frontend development capabilities.

Skills

Frontend engineering

React/Angular/Vue.js

HTML/CSS

Pixel-accurate UI

Debugging

Remote work

Education

Bachelor's degree or equivalent

Tools

Git

GitHub

CI/CD

Job description

Synthires is seeking a frontend engineering specialist to evaluate AI-generated frontend code, UI implementations, and web applications. You will ensure correctness, performance, and accessibility while building responsive, pixel-perfect interfaces.

Ideal candidates have experience with React/Angular/Vue.js, HTML/CSS, and modern tooling. This remote role offers flexible collaboration and high-quality web development challenges for distributed teams.