Senior User Experience Designer

Ronald James; Greater London; On-site; GBP 75,000 - 100,000; Full time

Job summary

Ronald James is seeking a founding-level Product / UX Designer to own the end-to-end UX design lifecycle for an AI-powered search and data discovery platform. The role is based in London or other UK locations, and you will shape the product experience from discovery through delivery while collaborating with engineers to ensure pixel-perfect implementation.

You will create scalable design systems, translate complex AI outputs into clear user journeys, and influence product strategy alongside the

Qualifications

• Strong Product / UX Design background within SaaS, AI or data platforms.
• Experience designing for complex systems, workflows or insights tools.
• Exposure to AI-first products or machine-learning interfaces.
• Hands-on experience using Lovable within design or product workflows.
• Deep understanding of user journeys, interaction design and usability.
• Ability to think in systems, not just individual screens.
• Comfortable in fast-moving startup environments.

Responsibilities

• Own the full UX and product design lifecycle from discovery to delivery.
• Design intuitive interfaces for AI-driven search and data visualisation products.
• Create and scale a design system and visual language from scratch.
• Turn complex AI outputs into clear, actionable user experiences.
• Collaborate closely with engineering for pixel-perfect implementation.
• Influence product strategy alongside founders.

Skills

Product / UX Design

Complex systems design

AI-first products

User journeys & usability

Systems thinking

Startup environment experience

Tools

Lovable

Job description

Salary: £38,000 - 78,000 per year

Requirements:

• Strong Product / UX Design background within SaaS, AI or data platforms
• Experience designing for complex systems, workflows or insights tools
• Exposure to AI-first products or machine-learning interfaces
• Hands-on experience using Lovable within design or product workflows
• Deep understanding of user journeys, interaction design and usability
• Ability to think in systems, not just individual screens
• Comfortable in fast-moving startup environments

Responsibilities:

• Own the full UX and product design lifecycle from discovery to delivery
• Design intuitive interfaces for AI-driven search and data visualisation products
• Create and scale a design system and visual language from scratchTurn complex AI outputs into clear, actionable user experiences
• Collaborate closely with engineering for pixel-perfect implementation
• Influence product strategy alongside founders

Technologies:

• AI
• Lovable
• UX UI Design

More:

We are partnering with an early‑stage, venture‑backed technology business operating at the forefront of AI‑driven search and digital discovery. As generative AI platforms reshape how users access information, we are building a product that helps brands understand, optimise and strengthen their presence across emerging AI search environments. Backed by established investors and experienced leadership, our team is entering a high‑growth phase. This is a founding‑level Product / UX Designer opportunity based in London / Tyne and Wear / Newcastle upon Tyne (NE12 8BX), with a salary of 75,000 to 100,000 and a permanent employment type. We offer the chance to shape the product, the design culture, and the user experience from the ground up.

last updated 36 week of 2026