Principal Product Designer (Interaction Design UX & Design Systems)
Posted on Jun 4, 2026 by CV-Library
Euston, Greater London, United Kingdom
IT
Immediate Start
£550 - £650 Daily
Contract/Project
Principal Product Designer (Interaction Design UX & Design Systems)
£550 - £650 per day (Outside IR35)
London (Hybrid) x2 days onsite
6 month contract
Overview
We are looking for an exceptional Principal Product Designer to join an exciting organisation building a large-scale digital platform from the ground up. This is a rare opportunity to define the visual and interaction design language of a greenfield product ecosystem. Working closely with senior product, engineering, and leadership teams, you will shape how users experience the platform, establish design standards, and create the foundations of a scalable design system. The ideal candidate combines outstanding visual craft with strong interaction design expertise and thrives in environments where they can influence both product direction and design culture.
Role & 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
Essential Skills & Experience
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
Desirable Skills & Experience
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 environment
Familiarity with modern product development practices and cross-functional delivery teams
£550 - £650 per day (Outside IR35)
London (Hybrid) x2 days onsite
6 month contract
Overview
We are looking for an exceptional Principal Product Designer to join an exciting organisation building a large-scale digital platform from the ground up. This is a rare opportunity to define the visual and interaction design language of a greenfield product ecosystem. Working closely with senior product, engineering, and leadership teams, you will shape how users experience the platform, establish design standards, and create the foundations of a scalable design system. The ideal candidate combines outstanding visual craft with strong interaction design expertise and thrives in environments where they can influence both product direction and design culture.
Role & 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
Essential Skills & Experience
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
Desirable Skills & Experience
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 environment
Familiarity with modern product development practices and cross-functional delivery teams
Reference: 225201660
https://jobs.careeraddict.com/post/113352315
Principal Product Designer (Interaction Design UX & Design Systems)
Posted on Jun 4, 2026 by CV-Library
Euston, Greater London, United Kingdom
IT
Immediate Start
£550 - £650 Daily
Contract/Project
Principal Product Designer (Interaction Design UX & Design Systems)
£550 - £650 per day (Outside IR35)
London (Hybrid) x2 days onsite
6 month contract
Overview
We are looking for an exceptional Principal Product Designer to join an exciting organisation building a large-scale digital platform from the ground up. This is a rare opportunity to define the visual and interaction design language of a greenfield product ecosystem. Working closely with senior product, engineering, and leadership teams, you will shape how users experience the platform, establish design standards, and create the foundations of a scalable design system. The ideal candidate combines outstanding visual craft with strong interaction design expertise and thrives in environments where they can influence both product direction and design culture.
Role & 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
Essential Skills & Experience
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
Desirable Skills & Experience
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 environment
Familiarity with modern product development practices and cross-functional delivery teams
£550 - £650 per day (Outside IR35)
London (Hybrid) x2 days onsite
6 month contract
Overview
We are looking for an exceptional Principal Product Designer to join an exciting organisation building a large-scale digital platform from the ground up. This is a rare opportunity to define the visual and interaction design language of a greenfield product ecosystem. Working closely with senior product, engineering, and leadership teams, you will shape how users experience the platform, establish design standards, and create the foundations of a scalable design system. The ideal candidate combines outstanding visual craft with strong interaction design expertise and thrives in environments where they can influence both product direction and design culture.
Role & 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
Essential Skills & Experience
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
Desirable Skills & Experience
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 environment
Familiarity with modern product development practices and cross-functional delivery teams
Reference: 225201660
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