Remote Product Design Engineer: Build & Ship Frontend

Door3; United Kingdom; Remote; GBP 60,000 - 90,000; Full time

Job summary

Door3 is seeking a frontend-focused innovator who designs and ships production-ready interfaces in a product and technology team. You’ll collaborate with engineers to prototype, validate with users, and deliver end-to-end experiences where the AI assists professionals rather than replaces judgment.

You’ll own the craft of fast, accessible, data-rich interfaces with a strong eye for performance and cross-device behavior, while shaping scope and product direction in a remote-friendly setup.

Qualifications

• Proven ability to design and ship front-end to production.
• Strong design judgment and taste when AI is involved.
• Product instinct to validate with real users and cut scope if needed.
• Fluency in a modern web codebase with awareness of AI failure modes.

Responsibilities

• Explore and prototype to find the right answer; learn-focused work before shipping.
• Carry features through to the production front-end, combining design and code.
• Frame what’s worth building by talking to users and shaping scope with your squad.
• Build supervisory surfaces for agent-native platforms and confidence/citation patterns.
• Work across the full AI product loop with sound judgment and fast iteration.
• Own performance, accessibility, cross-device behavior, and responsive speed.

Skills

Front-end design

Production shipping

Design judgment

Product instinct

AI tooling fluency

Tools

AI tooling

Job description

Door3 is seeking a frontend-focused innovator who designs and ships production-ready interfaces in a product and technology team. You’ll collaborate with engineers to prototype, validate with users, and deliver end-to-end experiences where the AI assists professionals rather than replaces judgment.

You’ll own the craft of fast, accessible, data-rich interfaces with a strong eye for performance and cross-device behavior, while shaping scope and product direction in a remote-friendly setup.