Senior UX/UI Designer at $100m funded AI MarTech SaaS

JR United Kingdom; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading marketing technology firm based in London is seeking a Senior UX/UI Designer to lead user-centred design initiatives. The ideal candidate will have extensive experience with B2B web products and strong skills in design tools such as Adobe Creative Suite. Responsibilities include crafting wireframes and collaborating closely with customers and teams to enhance product vision.

Qualifications

• Experience with data visualisation and storytelling from complex data.
• A portfolio showing beautiful, functional, user-focused designs.
• A visionary yet pragmatic approach, with sharp attention to detail.

Responsibilities

• Lead user-centred design from discovery to delivery.
• Run user research & usability tests, and analyse data for insights.
• Craft wireframes, prototypes, and pixel-perfect UI.

Skills

UX & UI design experience for complex B2B web products

Data visualisation and storytelling

Strong skills in Adobe Creative Suite

Axure

Interactive prototyping

Job description

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Senior UX/UI Designer at $100m funded AI MarTech SaaS, london (city of london)

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Client:

Grey Matter Recruitment

Location:

london (city of london), United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

22.08.2025

Expiry Date:

06.10.2025

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Job Description:

Join a global Marketing Tech leader powering customer-led growth for a portfolio of iconic brands. With 500+ employees across NYC, London, TLV, and beyond, they are scaling fast.

If you're a Senior UX/UI Designer who can turn complex problems into elegant, intuitive solutions, this role might be for you.

Highlights:

• Impact: Your work directly shapes the product vision.
• Growth: Career progression isn’t a maybe - it’s the norm.
• Culture: A vibrant, collaborative, curious team.
• Clients you’ll know: Global household names.

Responsibilities:

• Lead user-centred design from discovery to delivery.
• Work directly with customers, run user research & usability tests, and analyse data for insights.
• Craft wireframes, prototypes, and pixel-perfect UI for our complex B2B products.
• Collaborate with product managers & engineers to bring your vision to life.
• Continuously refine designs based on analytics, feedback, and testing.

Requirements

• UX & UI design experience for complex B2B web products.
• Experience with data visualisation and storytelling from complex data.
• Strong skills in Adobe Creative Suite, Axure, and interactive prototyping.
• A portfolio showing beautiful, functional, user-focused designs.
• A visionary yet pragmatic approach, with sharp attention to detail.

Bonus points if you’ve designed machine learning-driven products, worked with design systems, or have a knack for microcopy.