Senior UX Designer - Conversational AI & Commerce

Principle HR; Greater London; Hybrid; GBP 104,000 - 128,000; Full time

Job summary

Principle HR is seeking a Senior UX Designer to shape conversational AI and commerce experiences for an AI product used by millions. Based in Central London, this 12-month contract offers hybrid work with 3 days on-site.

You will design shopping experiences through conversation, build prototypes with AI tooling, and collaborate with engineers, PMs and researchers to land design intent. A strong portfolio and expertise in Figma are essential; sponsorship is not available.

Qualifications

• Senior UX experience designing and shipping digital products.
• Hands-on conversational design across chat, voice or AI assistants.
• A real understanding of how AI models behave, and how to shape what they say.
• Expert-level Figma skills.
• AI tools as part of your everyday prototyping and building.
• E-commerce or shopping experience is a strong bonus.
• Portfolio required. Applications without one won't be considered.
• You’ll need the right to work in the UK. Sponsorship isn't available for this role.

Responsibilities

• Working out how people actually shop through conversation, and designing experiences that feel genuinely helpful rather than pushy.
• Building and testing prototypes quickly, then turning what you learn into the next iteration
• Working closely with engineers, product managers and researchers to land your design intent, and making the case for it

Skills

Senior UX experience

Conversational design

Figma

AI prototyping

Portfolio required

E-commerce experience

Tools

AI tools

Job description

Senior UX Designer - Conversational AI & Commerce
London | 12-month contract | Up to £116,000 per year

What does shopping look like when you can simply ask for what you want? You'd be designing that answer, for an AI product used by millions of people every day.

The offer

• Annual Salary up to £116,000 doe


• 12-month contract, starting ASAP - inside IR35, PAYE, paid weekly via Principle HR


• Location: Central London; Hybrid: 3 days onsite (Tuesday to Thursday), 40 hours per week

What you'll bring

• Senior UX experience designing and shipping digital products, with a portfolio that shows how you think, not just what you made


• Hands-on conversational design experience across chat, voice or AI assistants


• A real understanding of how AI models behave, and how to shape what they say


• Expert-level Figma skills


• AI tools as part of your everyday prototyping and building, not just something you talk about


• E-commerce or shopping experience is a strong bonus


• Portfolio required. Applications without one won't be considered.


• You’ll need the right to work in the UK. Sponsorship isn't available for this role.

What your week might look like

• Working out how people actually shop through conversation, and designing experiences that feel genuinely helpful rather than pushy


• Building and testing prototypes quickly, then turning what you learn into the next iteration


• Working closely with engineers, product managers and researchers to land your design intent, and making the case for it