Lead Interaction Designer

Mastek; Greater London; Hybrid; GBP 70,000 - 95,000; Full time

Benefits offered by this job

Competitive salary

Flexible & hybrid working

Learning & development opportunities

Access to digital transformation work

Inclusive and supportive culture

Cross-functional collaboration

Job summary

Mastek is seeking an experienced Lead Interaction Designer to drive design excellence across complex digital services and to champion user-centred design practices within our growing UCD capability. This role combines hands-on leadership with strategic influence, defining standards and mentoring designers.

You will collaborate with cross-functional teams to deliver accessible, evidence-led digital experiences that meet user and business needs, influence stakeholders, and contribute to the

Qualifications

• Experience delivering interaction design in complex digital environments.
• Strong understanding of user-centred design, accessibility, usability, and prototyping.
• Experience creating and maintaining design systems, reusable patterns, and design standards.
• Proven ability to influence stakeholders and drive positive change through design.
• Experience mentoring or coaching designers and supporting capability development.
• Strong collaborative skills in multidisciplinary agile teams.

Responsibilities

• Lead the design of intuitive, accessible, and user-centred digital services.
• Champion evidence-led design practices, ensuring user needs drive delivery.
• Define and promote interaction design standards, principles, and best practices.
• Provide design leadership, assurance, and quality reviews across teams.
• Drive consistency through design systems, reusable patterns, and design frameworks.
• Collaborate with Product Managers, Researchers, Designers, Engineers, and Delivery teams.
• Mentor and grow other designers to strengthen the design community.

Skills

Leadership in UX design

Stakeholder management

User-centred design

Accessibility & usability

Mentoring designers

Collaboration in agile teams

Job description

Shape the Future of Digital Experiences at Mastek

At Mastek, we deliver impactful digital transformation programmes across government, healthcare, financial services, and enterprise organisations. We're looking for an experienced Lead Interaction Designer to drive design excellence across complex digital services, champion user-centred design practices, and help shape the future of our growing User-Centred Design (UCD) capability.

This role combines hands-on design leadership with strategic influence, offering the opportunity to define standards, mentor designers, and ensure the delivery of accessible, evidence-led digital experiences that meet user and business needs.

What You'll Do

As a Lead Interaction Designer, you will play a key role in setting the direction for interaction design across multiple products and services.

Key Responsibilities

• Lead the design of intuitive, accessible, and user-centred digital services.
• Champion evidence-led design practices, ensuring user needs remain at the heart of delivery.
• Define and promote interaction design standards, principles, and best practices.
• Provide design leadership, assurance, and quality reviews across multiple teams and programmes.
• Drive consistency through design systems, reusable patterns, and design frameworks.
• Collaborate closely with Product Managers, User Researchers, Service Designers, Content Designers, Engineers, and Delivery teams.
• Support and mentor other designers, helping to build capability and strengthen the design community.
• Influence stakeholders at all levels, advocating for user-centred approaches and design excellence.
• Contribute to the growth and maturity of the UCD practice across Mastek.
• Foster a culture of continuous learning, collaboration, and innovation.

What We’re Looking For

• Extensive experience delivering interaction design within complex digital environments.
• Strong understanding of user-centred design, accessibility, usability, and prototyping.
• Experience creating and maintaining design systems, reusable patterns, and design standards.
• Proven ability to influence stakeholders and drive positive change through design.
• Experience mentoring or coaching designers and supporting capability development.
• Strong collaborative skills and experience working within multidisciplinary agile teams.
• Excellent communication, facilitation, and stakeholder management skills.
• Ability to balance strategic thinking with hands-on design delivery.
• Experience working within Government, Financial Services, Healthcare, or other regulated sectors.
• Knowledge of GDS Service Standards and accessibility best practices.
• Experience scaling and embedding User-Centred Design practices across large organisations.
• Experience working on large-scale digital transformation programmes.

Why Join Mastek?

At Mastek, you'll join a collaborative team of digital specialists delivering services that make a real difference to citizens, customers, and businesses.

We offer:

• Competitive salary and benefits package
• Flexible and hybrid working arrangements
• Ongoing learning and development opportunities
• Access to high-profile digital transformation programmes
• Inclusive and supportive working culture
• Opportunity to work alongside talented professionals across Product, Design, Data, Engineering, and Delivery