Senior UX/UI Designer (Web & Mobile)

Flat Rock Technology is a technology-driven organisation focused on building robust, scalable software solutions for clients worldwide. We value user-centred design, pragmatic problem-solving, and continuous improvement, creating an environment where designers can make a meaningful impact on the products people use every day.

We are looking for a Senior UX/UI Designer with strong experience designing complex web and mobile products, from research through to polished, developer-ready UI. You’ll work with clients and teams across the UK and Europe, and you’ll be comfortable leading design conversations, not just executing them. Experience using AI tools in your design workflow is a strong plus. We’re committed to supporting professional growth through training and relevant certifications, and we welcome designers who want to deepen their skills in AI-powered and conversational experiences.

Main Responsibilities:

• Lead UX research and discovery through stakeholder workshops, user interviews, competitor analysis, and usability testing to identify user needs and business goals.
• Design intuitive user experiences for web and mobile applications, including user flows, wireframes, interactive prototypes, and high-fidelity UI designs.
• Create responsive interfaces for complex applications, including dashboards, admin panels, forms, and data-heavy systems.
• Build and maintain scalable design systems in Figma, ensuring consistency across products and alignment with development.
• Collaborate with Product Managers, developers, and QA teams throughout the Agile development lifecycle, from concept to delivery.
• Ensure designs meet accessibility standards (WCAG 2.1 AA), platform guidelines, and usability best practices.
• Leverage AI tools to improve research, ideation, prototyping, and design workflows, including designing AI-powered and conversational interfaces.
• Present design solutions to clients and stakeholders, clearly communicating design decisions and recommendations.

Requirements:

• 4+ years of UX/UI design experience across web and mobile products, including complex applications, dashboards, or back-office systems.
• Advanced proficiency in Figma (Auto Layout, components, variants, prototyping, Dev Mode) and experience with design systems.
• Strong expertise in UX research, user flows, wireframing, usability testing, and high-fidelity UI design.
• Experience with Adobe Creative Cloud and familiarity with prototyping and collaboration tools such as Framer, ProtoPie, and FigJam.
• Practical experience using AI tools in design workflows (e.g., Figma AI, ChatGPT, Claude, Midjourney, v0, Lovable) and understanding of AI-powered user experiences.
• Knowledge of WCAG 2.1 AA, Apple HIG, Material Design, and responsive design principles.
• Experience working in Agile/Scrum environments using Jira and Confluence, with an understanding of front-end development and React-based interfaces.
• Excellent English communication skills (B2+/C1), including experience presenting designs and collaborating with clients.
• Availability to work overlapping hours with UK/EU teams.
• Strong portfolio featuring at least 3 detailed case studies, 2 shipped products, and examples of practical AI usage, demonstrating research, design decisions, iterations, and measurable outcomes.
• Relevant degree in Design, HCI, or a related field, or equivalent professional experience.

Nice to Have:

• Experience in agency, outsourcing, or client-facing environments.
• Background designing SaaS, eCommerce, or fintech products.
• Familiarity with product analytics tools (GA4, Mixpanel, Amplitude).
• Experience with motion design, micro-interactions, or tools such as Lottie and After Effects.
• Basic HTML/CSS knowledge and familiarity with tools such as Storybook, Zeplin, or Sketch.
• Awareness of GDPR and data privacy principles.

We offer:

• Competitive salaries based on performance reviews with additional benefits;
• Opportunities for professional growth and career development;
• Supportive environment with mentoring from senior engineers;
• Challenging work in a fast-growing international organization;
• Opportunity to work on real-world, production systems;
• Hybrid working arrangements;
• Modern offices around the world;
• Entertainment spaces, teambuilding events, parties, and participation in different events;

If that sounds just like you, apply now by sending your CV in English!

By submitting your application you agree that FRT will use your personal data for recruitment purposes only. All documents will be treated in the strictest confidentiality. Only short-listed candidates will be invited for an interview.

We can not wait to meet you!