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Lead UX/UI Designer (Fixed Term Contract)

London, England, gb💼 Contract🗓 2026-05-21 → 2026-07-31

Core

Lead end-to-end UX/UI design for complex, data-rich B2B/SaaS applications, shaping user experiences across multiple delivery channels and customer segments.

Role type

Senior individual contributor Lead UX/UI Designer

Builds

Production product features and design systems for global commodities price reporting, events, and intelligence services

Domain

Financial services / Commodities markets / B2B SaaS

Deliverable

production ML models | product features

Required skills

End-to-end product UX/UI design, Expert-level Figma (components, variants, tokens, auto-layout, prototyping), Interaction design, Visual design craft, Multi-device responsive layout design, Analytics and metrics-driven iteration, Design system architecture, Stakeholder facilitation, Mentoring junior designers

Preferred skills

HTML/CSS, Dashboard design, Financial data interfaces, Agile methodologies (Jira, FigJam), Accessibility standards (WCAG)

Technologies

Figma, Heap, Jira, FigJam

Responsibilities

Translate ambiguous problem spaces into design directions and high-impact solutions; Produce user flows, wireframes, high-fidelity UI, and interactive prototypes; Extend and refine design systems with scalable components and documentation; Partner with PMs and engineers to define success events and validate assumptions using analytics; Provide informal leadership, direction, and feedback to junior/mid designers; Conduct usability studies and concept validation to inform design decisions.

Seniority

Senior, hands-on IC with leadership responsibilities

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