About NTT DATA and Tangity
NTT DATA is a trusted global innovator with over 100,000 professionals in 50+ countries. Headquartered in Tokyo, we bring elements of our Japanese heritage—precision, long-term thinking, and social responsibility—into our UK work. In the UK, we work across telecoms, financial services, manufacturing, and the public sector, delivering end-to-end services from strategy to implementation.
Tangity, part of the NTT DATA Design Network, is a global design studio dedicated to humanising complexity. We combine Strategy, Technology, and Design to create meaningful, inclusive, and impactful services that improve lives and systems. Our studios work closely with delivery teams to embed design deeply into every project and across every touchpoint.
The Role
As Senior UX Designer, you’ll play a pivotal role in shaping public-facing services across the UK government. You will lead end-to-end UX delivery in agile, multidisciplinary teams, ensuring that the services we design are inclusive, accessible, and aligned with user and business needs.
You will work across Discovery, Alpha, Beta, and Live phases, leading the development of digital experiences that meet GDS service standards. From mapping user journeys to producing high-fidelity prototypes, you will guide clients and teams toward evidence-based decisions. You will also help define and maintain a consistent UX strategy across products and ensure design intent is preserved through development.
What you'll be doing: \tSenior UX design from discovery through to delivery, championing user needs and shaping intuitive, accessible public services\tPlan and conduct user-centred design activities such as contextual research, usability testing, journey mapping, and service blueprinting\tCollaborate with service designers during discovery and design phases to align UX with broader service goals and end-to-end journeys\tCreate wireframes, flows, and high-fidelity prototypes to support stakeholder alignment and enable early design sign-off\tWork closely with Business Analysts and Tech Leads to translate requirements into usable and scalable design solutions\tFacilitate co-design workshops, ideation sessions, playback reviews, and internal critiques\tDefine and maintain a consistent design approach across the product or service, ensuring alignment with the overarching UX and service strategy\tCollaborate closely with developers during build, clarifying interaction patterns and design intent to support smooth implementation\tEnsure all solutions adhere to accessibility (WCAG 2.2) and usability best practices\tContribute to or help establish design systems and standards that support consistent delivery at scale\tSupport GDS service assessments and advocate for users in governance and decision-making\tMentor and guide junior designers, providing feedback and support for their growth\tRepresent UX in client meetings, agile ceremonies, and internal leadership forums What experience you'll bring: \t8+ years of experience in UX, digital product design, or interaction design\tBachelor’s or Master’s degree in UX Design, Interaction Design, HCI, or a related field\tSolid experience of Salesforce \tStrong portfolio demonstrating UX leadership across large-scale digital services\tProven experience delivering to GDS service standards in central or local government\tAbility to design intuitive experiences through wireframes, flow diagrams, IA, and high-fidelity prototypes\tProficient in tools such as Figma, Adobe CC, Miro, etc.\tStrong understanding of accessibility (WCAG 2.2) and inclusive design\tPractical knowledge of HTML/CSS to support collaborative handoff with developers\tExperience working in agile environments with multidisciplinary teams\tEligible for SC clearance (British citizen or equivalent, with 5 years of continuous UK residency)\tExperience contributing to or maintaining design systems in a public sector context\tFamiliarity with design governance and GDS service assessments\tExperience working with policy, legal, or content teams to shape service journeys\tExposure to prototyping tools or low-code platforms used in government delivery\tUnderstanding of public service KPIs (e.g. cost per transaction, conversion, channel shift)\tComfortable with AI-enhanced design tools or auto-layout systems for rapid prototyping\tExperience designing services for vulnerable or underrepresented user groups\tKnowledge of mobile-first design and platform-specific guidance (e.g., iOS HIG, GOV.UK Design System) Who we are:We’re a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects.
Our inclusive work environment prioritises mutual respect, accountability, and continuous learning for all our people. This approach fosters collaboration, well-being, growth, and agility, leading to a more diverse, innovative, and competitive organisation. We are also proud to share that we have a range of Inclusion Networks such as: the Women’s Business Network, Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network.
For more information on Diversity, Equity and Inclusion please click here: Creating Inclusion Together at NTT DATA UK | NTT DATA
what we'll offer you:We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing. Our Learning and Development team ensure that there are continuous growth and development opportunities for our people. We also offer the opportunity to have flexible work options.
You can find more information about NTT DATA UK & Ireland here: https://uk.nttdata.com/
We are an equal opportunities employer. We believe in the fair treatment of all our employees and commit to promoting equity and diversity in our employment practices. We are also a proud Disability Confident Committed Employer - we are committed to creating a diverse and inclusive workforce. We actively collaborate with individuals who have disabilities and long-term health conditions which have an effect on their ability to do normal daily activities, ensuring that barriers are eliminated when it comes to employment opportunities. In line with our commitment, we guarantee an interview to applicants who declare to us, during the application process, that they have a disability and meet the minimum requirements for the role. If you require any reasonable adjustments during the recruitment process, please let us know. Join us in building a truly diverse and empowered team.