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Principal Product Designer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Sivara GmbH
Contract position
Listed on 2026-06-21
Job specializations:
  • Design & Architecture
    UI/UX Design, Product Designer, Web Developer
  • IT/Tech
    UI/UX Design, Product Designer, Web Developer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 GBP Yearly GBP 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

Salary

£? - ? per year

Requirements
  • Significant experience as a Product Designer, Interaction Designer, or UX/UI Designer working on complex digital products at an enterprise level
  • A portfolio demonstrating exceptional visual design, interaction design, and design systems work
  • Experience building or contributing to scalable design systems and component libraries
  • Strong proficiency with modern design and prototyping tools
  • Excellent understanding of accessibility, usability, and responsive design principles
  • Ability to work effectively in fast-paced environments with evolving requirements
  • Strong stakeholder management and communication skills
  • Experience establishing design standards within growing teams or greenfield programmes
  • Knowledge of front-end technologies and how design translates into production
  • Experience working within complex, regulated, or highly governed environments
  • Familiarity with modern product development practices and cross-functional delivery teams
Responsibilities
  • Own and evolve the visual and interaction design language across a suite of digital products
  • Create high-fidelity designs, prototypes, and user experiences that are intuitive, elegant, and accessible
  • Build and maintain a scalable design system, including reusable components, patterns, and documentation
  • Define standards for design quality, usability, consistency, and accessibility
  • Work closely with engineers to ensure designs are implemented accurately and to a high standard
  • Collaborate with product and delivery teams to translate complex requirements into engaging user experiences
  • Champion user-centred design and contribute to research, testing, and continuous improvement activities
Technologies
  • UX UI Design
More

We are offering a 6 month contract for a Principal Product Designer role in London on a hybrid basis, with two days onsite, at a day rate of £550-£650 outside IR35. We are building a large-scale digital platform from the ground up and are looking for someone to help define the visual and interaction design language of a greenfield product ecosystem.

You will work closely with senior product, engineering, and leadership teams to shape the user experience, establish design standards, and create the foundations of a scalable design system. This is an opportunity to influence product direction and design culture in a fast-moving, cross-functional environment.

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