Interaction Designer

Role: Interaction Designer
Location: London/Hybrid
Clearances: Internal Background Check (DBS) / Eligible for Security Clearance
About Us:
Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery.
We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining deep technical expertise with people-centred design, we create solutions that deliver meaningful, lasting impact.
Our consultants partner directly with client teams, embedding into organisations to understand their goals, challenges, and users. This collaborative approach enables us to deliver tailored solutions that drive measurable outcomes across public and private sectors.
Past and present clients include the Ministry of Justice, Department for Education, Ministry of Housing, Communities and Local Government, UEFA, International Olympic Committee, and Mercedes-Benz. Our services span the full digital delivery lifecycle, including architecture, engineering, delivery management, user-centred design, business analysis, data, DevOps, and AI.
We operate as a collaborative and inclusive organisation that empowers our people to take ownership, innovate, and develop their expertise. As an equal opportunities employer, we are committed to encouraging equality, diversity, and social mobility, while creating opportunities for our teams to work on meaningful projects that deliver lasting impact.
About You:
You are a motivated and adaptable professional with a strong analytical mindset and a passion for using technology to solve real-world problems. You enjoy working in collaborative, agile teams and take pride in delivering high-quality solutions that make a tangible impact. With strong communication skills and a consultative approach, you’re comfortable engaging with clients, understanding their needs, and translating them into effective outcomes.
The role
We’re looking for an Interaction Designer to join our multidisciplinary team designing and delivering innovative, user-centred digital public services for Government and Private Sector clients.
You’ll be a great listener and communicator with a creative, structured, and logical approach to understanding problems and designing inclusive, human-centred experiences.
We’re specifically looking for a pragmatic team player with an appreciation of both business and user needs, who is keen to develop their ‘T-shaped’ skills and is not afraid to take on new challenges.
Skills and experience required
Proven experience and knowledge of using GOV.UK Prototype Kit, design systems and design patterns
Proven experience of understanding and ensuring usability, accessibility, and inclusivity, in line with WCAG and GOV.UK design guidelines.
Demonstrates practical experience of working to the Government Service Standard, ideally with service assessment experience across all phases
Designs simple, intuitive, and accessible digital services that meet user needs and business objectives.
Takes an end-to-end view of services, creating effective, user-centred interactions across channels.
Participates in user research activities, using qualitative and quantitative evidence to inform design decisions and service improvements.
Rapidly prototypes and tests designs using a range of methods, including paper, digital, and code-based prototypes
Produces clear interaction design artefacts, including sketches, user flows, scenarios, wireframes, journey maps, and prototypes.
Captures and communicates design decisions clearly and confidently, influencing stakeholders and colleagues with a strong evidence base.
Facilitates workshops, co-design sessions, and user testing to explore problems, generate ideas, and validate solutions.
Works collaboratively within agile, multidisciplinary teams alongside developers, researchers, product managers, and stakeholders to deliver effective services.
Contributes to design standards and design systems, maintaining consistency across services and interfaces.
Supports service transformation by improving the efficiency, speed, and usability of public services.
Communication and productivity
Excellent verbal, written, and facilitation skills, able to engage confidently with stakeholders at all levels.
Strong technical literacy, able to understand high-level technical processes, constraints, and concepts.
Recognises and works within project constraints, supporting teams to deliver value to clients and users.
Supports and coaches teams and stakeholders in user-centred design and agile ways of working.
Contributes to internal culture, tools, processes, and capability development.
Company development
Contributes to the development of the Design practice and the Interaction Design community of practice
Mentors, coaches, supports and manages colleagues
Supports thought leadership, case studies, and insights showcasing interaction design expertise
Contributes to client proposals and presentations to help win new projects.
The ideal candidate will share our values and ways of working. As your career progresses, you can expect to work across all stages of the development lifecycle, from strategy to implementation, and take assignments across different sectors. This provides a broad base of experience for building an outstanding career.
Candidates should be open to working in different locations for different clients. While most work is remote, candidates should be happy to meet in our London office and travel as client needs dictate.
Benefits
Competitive Salary
Bonus Scheme
Private Healthcare Insurance
25 Days Annual Leave + Bank Holidays
Up to 10 days allocated for development training per year
Enhanced Parental Leave
Paid Fertility Leave (5 Days)
Contributory Pension
EAP with Help@Hand
Gym Membership Benefits
Flexible Benefits Allowance
Cycle to Work and Electric Vehicle schemes
Flexible Working
Annual Away Days/Company Socials
Diversity and Inclusion
As an equal opportunities employer, we are committed to creating a work environment that supports, celebrates, encourages and respects all individuals, where all processes are based on merit, competence and business needs.
Encouraging high social mobility is really important to us. We foster an inclusive culture by welcoming different perspectives, enabling equitable opportunities and promoting open dialogue. This commitment is reflected in initiatives such as our gender diversity group and our focus on mental health and wellbeing. Whatever stage you are at, you will find an environment where you can thrive.
Should you require further assistance or require any reasonable adjustments to be put in place to better support your application process, please do not hesitate to raise this with us.
As a Disability Confident employer, we are committed to ensuring our recruitment process is accessible and inclusive, enabling all candidates to demonstrate their skills, experience and potential.

Work arrangement
No