£350/day
London, England
Contract, Variable

Freelance Product Designer

Posted by Salt Search.

This agency is looking for a Senior Product Designer to lead and deliver polished, scalable UI and design systems across digital products.

  • Title: Freelance Senior Product Designer (UI & Systems)
  • Start: As soon as possible (next few weeks)
  • Length: 2 months with a view to go permanent.
  • Client: Digital agency
  • Day rate: £350 per day
  • IR35: Outside IR35 (clients specified to invoice through an Umbrella or Limited Company, not a Sole Trader)
  • Work set-up: Hybrid (Mandatory 3 days in-office (Tuesday, Wednesday + Thursday)
  • Location: Central London
  • Brief:

Key Responsibilities

  • Collaborate with UX, development, strategy, and brand teams throughout project lifecycles.
  • Build and maintain robust design systems using atomic principles and design tokens.
  • Design accessible, high-quality interfaces for web, mobile, and emerging platforms.
  • Deliver high-fidelity designs and interactive prototypes in Figma, ProtoPie, or Play.
  • Translate complex requirements into clear, user-centred design solutions.
  • Present and explain design decisions to internal teams and clients.
  • Apply interaction and motion design to elevate user experiences.
  • Use AI tools to improve workflow and ideation.
  • Contribute to workshops and sprints.
  • Mentor junior designers.

Requirements

  • Experience using motion, micro-interactions, and prototyping tools (e.g. ProtoPie, Play).
  • Strong portfolio showcasing UI craft, systems thinking, and user-centred design.
  • Knowledge of accessibility and inclusive design best practices.
  • Deep experience with Figma and design system creation.
  • Comfortable using AI to support the creative process.
  • Familiar with Agile and Waterfall workflows.

Still reading this far?

Pop us your Portfolio, and let's start talking.

  • Rates depend on experience and client requirements
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