GAIN Experience - Mid-Weight UX Designer

The Design Project; Greater London; On-site; GBP 80,000 - GBP 100,000; Full time

Job description

GAIN Experience - Mid-Weight UX Designer

This is Gain Ltd

Full_time

Job Title: Mid-Weight UX Designer
Company: This is Gain Ltd
Location: London, England, United Kingdom (Hybrid)
Job Type: Full-time
Category: User Experience (UX) Design / Product Design
Date Posted: February 11, 2026
Experience Level: Mid-Weight (3-5 years)
Remote Status: Hybrid

• Spearhead end-to-end interaction design for high-impact client projects, driving user-centered experiences that deliver measurable business outcomes.
• Take creative ownership of complex design challenges, applying strategic thinking, user psychology, and established UX heuristics to solve problems across enterprise platforms, B2B services, and digital products.
• Bridge the gap between strategy and execution by leading design thinking from concept through to delivery, collaborating with cross-functional teams and client stakeholders.
• Mentor junior designers, contribute to new business pitches, and champion accessibility and inclusive design principles throughout the design process.

📝 Enhancement Note: This role is positioned as a "Mid-Weight" designer, implying a need for autonomy and the ability to guide projects with minimal supervision, alongside mentoring junior team members. The focus on "measurable business impact" and "enterprise platforms, complex B2B services, healthcare applications, and consumer-facing digital products" indicates a need for designers who can translate strategic goals into effective user experiences in diverse, often regulated, environments.

📈 Primary Responsibilities

• Lead the complete interaction design lifecycle for client projects, from initial concept generation, user flow mapping, and wireframing to the creation of high-fidelity interactive prototypes and detailed design specifications.
• Strategically address complex design challenges by leveraging user-centered design principles, behavioral psychology insights, and recognized usability heuristics to deliver effective solutions.
• Develop sophisticated, interactive prototypes using tools such as Figma, ProtoPie, Principle, or Framer to clearly articulate interaction models, micro-interactions, and intricate multi-step user journeys.
• Design, document, and maintain scalable design systems, interaction patterns, and component libraries to ensure consistency and efficiency across large-scale digital products and platforms.
• Translate user research findings, feedback, and testing results into actionable design improvements and strategic recommendations by working closely with UX researchers.
• Partner with development teams throughout the build phase, conducting implementation reviews, problem-solving technical constraints, and ensuring the fidelity of interaction designs.
• Lead client-facing design presentations and workshops, effectively articulating design rationale, defending creative decisions, and facilitating productive feedback sessions to align stakeholders.
• Mentor and guide junior designers by providing constructive critique, sharing best practices, and contributing to the overall enhancement of design craft and quality within the team.
• Champion accessibility and inclusive design by conducting design audits and embedding WCAG standards into all stages of the design and development process.
• Contribute to new business development by assisting in the shaping of project approaches and demonstrating the company's design capabilities in pitches and proposals.
• Stay abreast of industry trends, emerging interaction patterns, AI-enhanced interfaces, and new design tools, bringing thought leadership to internal discussions and client engagements.
• Support the continuous improvement of the design practice by contributing to internal processes, developing toolkits, and participating in knowledge-sharing initiatives.

📝 Enhancement Note: The responsibilities emphasize an end-to-end ownership model, requiring the designer to not only execute but also define and strategize. The mention of "complex B2B services, healthcare applications, and consumer-facing digital products" suggests a need for adaptability and experience in diverse, potentially regulated, industries, demanding a robust understanding of user psychology and accessibility.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's degree in Design, Human-Computer Interaction, Psychology, or a related field is often beneficial. Equivalent practical experience will also be considered.

Experience: 3–5 years of dedicated experience in interaction design, UX design, or product design, preferably gained within an agency, consultancy, or a product-centric team environment.

Required Skills:

• A strong, compelling portfolio showcasing end-to-end project ownership, demonstrating strategic thinking, sophisticated interaction craft, and quantifiable impact across a diverse range of projects.
• Expert-level proficiency in Figma, with a proven ability to construct complex, component-based design systems and create highly interactive prototypes.
• Deep understanding of core interaction design principles, user psychology, and established usability heuristics, with the capacity to apply them strategically in varied contexts.
• Proven experience designing responsive, multi-device experiences that incorporate intelligent interaction patterns adaptable across different screen breakpoints.
• Solid knowledge of accessibility standards (WCAG AA) and practical experience designing inclusive interactions tailored to meet the needs of diverse user groups.
• Experience collaborating directly with development teams, possessing a clear understanding of technical constraints, and delivering precise, implementable design specifications.
• Exceptional stakeholder management and presentation skills, comfortable leading workshops, presenting to senior clients, and adeptly navigating feedback processes.
• Demonstrated ability to work autonomously, manage multiple concurrent projects, and effectively prioritize tasks within a fast-paced agency setting.
• Prior experience in mentoring or actively supporting junior designers in their professional development.

Preferred Skills:

• Experience leading design for projects within regulated industries such as healthcare, life sciences, financial services, or the public sector, where compliance and user trust are paramount.
• Advanced prototyping skills using tools like ProtoPie, Principle, Framer, or After Effects to illustrate sophisticated interaction behaviors and animated transitions.
• Experience designing interfaces for AI-enhanced systems, intelligent search functionalities, personalization engines, or adaptive user experiences.
• Familiarity with analytics and user testing platforms (e.g., Hotjar, Maze, UserTesting.com) and a track record of using quantitative and qualitative data to validate design decisions.
• Experience working within Agile or Lean UX methodologies and designing within iterative, sprint-based workflows.
• Proven experience contributing to or leading the development of design systems at scale.
• Exposure to motion design principles and an understanding of how animation can enhance usability and brand expression.

📝 Enhancement Note: The "Essential" qualifications clearly define the baseline for this role, emphasizing practical, hands-on experience and a strong portfolio. The "Desirable" skills highlight areas where additional expertise can make a candidate stand out, particularly in specialized industries or with advanced tooling. The requirement for Figma expertise is central, with other prototyping tools being a plus.

• Demonstrate end-to-end project ownership, clearly illustrating the journey from initial problem definition and strategic thinking to final design execution and measurable impact.
• Showcase sophisticated interaction design craft, including detailed user flows, wireframes, and high-fidelity interactive prototypes that effectively communicate complex user journeys.
• Highlight the strategic application of user-centered design principles and behavioral psychology, explaining the rationale behind design decisions and how they address specific business or user needs.
• Include examples of designing scalable design systems, component libraries, or interaction patterns that promote consistency and efficiency across digital products.
• Present case studies that quantify the impact of your design work, using metrics, user feedback, or business outcomes to demonstrate success.

Process Documentation:

• For each project, clearly outline the design process followed, including user research methodologies, ideation techniques, prototyping tools used, and iteration cycles.
• Document how user insights and testing findings were translated into actionable design improvements and strategic recommendations.
• Illustrate the collaboration process with researchers, developers, and client stakeholders, detailing how feedback was incorporated and technical constraints were managed.
• Provide examples of how accessibility and inclusive design principles were integrated into the design workflow, with specific attention to WCAG standards.

📝 Enhancement Note: The portfolio is critical for this role, serving as the primary evidence of a candidate's capabilities. Emphasis is placed on demonstrating a holistic approach, from strategic conception to detailed execution and impact measurement, with a specific need to showcase expertise in interaction design and the ability to articulate process and rationale clearly.

Salary Range: As the salary is not explicitly stated, a typical range for a Mid-Weight UX Designer with 3-5 years of experience in London, UK, would likely fall between £45,000 to £65,000 per annum. This estimate is based on industry benchmarks for similar roles in the London tech and creative agency market, considering the hybrid work model and the company's focus on impactful client projects.

• Private Medical Insurance: Comprehensive healthcare coverage provided by BUPA.
• Life Assurance: Financial security for beneficiaries through BUPA Life Assurance.
• Income Protection: Support during periods of long-term illness or injury.
• Employee Assistance Programme (EAP): Confidential support for personal and professional challenges.
• Cycle to Work Salary Sacrifice Scheme: Encourages sustainable commuting with tax benefits.
• Tech & Wearables Salary Sacrifice Scheme: Access to the latest technology with financial advantages.
• Octopus EV Scheme: Opportunity to lease electric vehicles through a salary sacrifice arrangement.
• Discounts and Deals: Access to a wide range of discounts on various services and products, including hotels, holidays, cinema tickets, gyms, and will writing.

Working Hours: The role is full-time, with an estimated standard working week of 40 hours. While the position is hybrid, specific working hours may have some flexibility, allowing for effective project management and collaboration within the team and with clients.

📝 Enhancement Note: The salary range is an estimate based on current market data for UX Designers in London with the specified experience level. The benefits package is extensive, indicating a company that invests in employee well-being and offers attractive incentives beyond base salary. The inclusion of various salary sacrifice schemes suggests a focus on modern, flexible employee benefits.

Industry: This is Gain Ltd operates across multiple sectors, leveraging creativity, data, and technology. Their "GAIN Experience" business unit specifically focuses on user-centered design for public and private sector organizations, indicating a broad market reach including Technology, Consulting, Healthcare, Government & Public Sector, and potentially Financial Services or B2B platforms.

Company Size: With employee data suggesting a range that could be anywhere from 50-200 employees (based on typical company structures using platforms like Workable and the breadth of services offered), this size often means a dynamic environment where individual contributions are highly visible, and there's potential for significant impact. For operations professionals, this can translate to less bureaucratic processes and more direct influence.

Founded: While the founding date is not provided, the company's description suggests a mature organization that has evolved to integrate data, tech, and creativity into a unified "GAIN" force. This implies a history of adapting to market changes and a forward-thinking approach to service delivery.

Team Structure: The "Experience" team is a key specialist unit within GAIN, reporting to a Lead UX Designer or Design Director. This suggests a hierarchical but collaborative structure, with clear leadership in design. The team likely consists of UX Designers, UX Researchers, and potentially UI/Visual Designers, working closely together.

Methodology: GAIN emphasizes a blend of intelligence and creativity, driven by data. Their approach likely involves:

• Data Analysis & Insights: Utilizing data to fuel creative strategies and understand user behavior.
• User-Centered Design: Prioritizing user needs and insights throughout the design process.
• Agile & Iterative Development: Working in sprints and adapting based on feedback and testing.
• Cross-functional Collaboration: Seamless integration between design, research, development, and client teams.

📝 Enhancement Note: The company positions itself as an innovative entity that combines analytical rigor with creative flair. The "GAIN Experience" unit suggests a specialized focus within the broader company, implying a structured design practice. The company size, inferred from typical agency structures, suggests a balance between established processes and the agility to innovate.

Operations Career Level: This role is at the "Mid-Weight" level, signifying a designer who has moved beyond junior responsibilities. They are expected to take creative ownership, lead key workstreams, mentor juniors, and act as a bridge between strategic planning and practical execution. This level requires a solid foundation of experience and the ability to work independently on complex projects.

Reporting Structure: The Mid-Weight UX Designer reports to the Lead UX Designer or Design Director within the "Experience" team. This indicates a clear line of management and mentorship, providing opportunities for guidance on design craft, career development, and strategic thinking.

Operations Impact: The role is designed to have a direct impact on client success by creating user-centered experiences that drive "measurable business impact." This involves solving real business problems, elevating user experience standards, and contributing to the strategic direction of client projects. The designer's work will influence client satisfaction, platform adoption, and potentially revenue generation through improved user engagement and conversion.

• Skill Advancement: Opportunity to deepen expertise in specialized areas such as AI-enhanced interfaces, complex industry design challenges (healthcare, finance), or advanced prototyping techniques.
• Leadership Development: Potential to grow into a Senior UX Designer role, taking on larger projects, leading design teams, and contributing more significantly to client strategy and new business development. Mentoring junior designers provides early leadership experience.
• Specialization: Possibility to specialize in specific industry verticals or types of digital products based on project exposure and personal interest.
• Practice Evolution: Contribute to shaping the design methodologies, toolkits, and knowledge-sharing initiatives within the GAIN Experience team, influencing the broader design practice.

📝 Enhancement Note: The "Mid-Weight" designation is crucial, implying a level of autonomy and responsibility beyond that of a junior designer. The growth opportunities are framed around deepening expertise, developing leadership skills through mentorship, and contributing to the internal evolution of the design practice, aligning with typical career progression in agency environments.

Office Type: The company offers a hybrid work model, with options for working from offices in Bristol or London. This suggests a modern workspace designed to facilitate collaboration and focused work, accommodating both in-office and remote team members.

Office Location(s):

• Bristol, England, United Kingdom
• London, England, United Kingdom

These locations provide access to vibrant creative and business hubs, offering networking opportunities and a good quality of life.

Workspace Context:

• Collaborative Environment: The hybrid model necessitates a workspace that supports seamless interaction between in-office and remote team members, likely featuring meeting rooms equipped for hybrid calls and open areas for teamwork.
• Operations Tools & Technology: Access to industry-standard design software (Figma, ProtoPie, etc.) and collaboration tools is expected, enabling efficient workflow and high-quality output.
• Team Interaction: Opportunities for regular team meetings, design critiques, workshops, and social events (both virtual and in-person) to foster strong working relationships and a sense of community.

Work Schedule: The role is full-time, with an estimated 40-hour work week. The hybrid nature suggests a degree of flexibility in structuring the workday, allowing for personal needs while ensuring project deadlines and collaborative commitments are met. This flexibility is crucial for operations roles that often require deep focus and analytical time.

📝 Enhancement Note: The hybrid model is a key feature, indicating a balance between in-office collaboration and remote flexibility. The mention of specific office locations in Bristol and London suggests established physical presences within significant UK business centers. The emphasis on collaboration in a hybrid setting implies a need for strong communication skills and proficiency with remote work tools.

Interview Process:

• Initial Screening: A review of your CV and portfolio to assess experience, skills, and alignment with the role requirements.
• Portfolio Presentation: A session where you present your portfolio, discussing key projects, your design process, strategic thinking, and the impact of your work. Be prepared to articulate your rationale and defend your design decisions.
• Skills & Technical Interview: Discussions focusing on interaction design principles, tool proficiency (especially Figma), problem-solving abilities, and experience with specific methodologies (e.g., accessibility, responsive design). You may be asked to walk through specific design challenges or scenarios.
• Team/Cultural Fit Interview: An opportunity to meet with potential team members and discuss how you collaborate, mentor, and fit within the company's culture and values. Questions about how you handle feedback and work in a team environment are common.
• Final Interview: Potentially with senior leadership, focusing on strategic thinking, leadership potential, and overall fit for the company's vision.
• Curate Strategically: Select 3-5 of your strongest projects that best demonstrate end-to-end ownership, strategic thinking, interaction craft, and measurable impact. Prioritize projects that align with the types of work GAIN Experience undertakes (enterprise, B2B, healthcare, etc.).
• Tell a Story: For each project, clearly articulate the problem statement, your role and responsibilities, the process you followed, the challenges you encountered, your design decisions with rationale, and the outcomes or impact achieved. Use visuals effectively to illustrate your points.
• Showcase Interaction Detail: Highlight complex interaction patterns, micro-interactions, user flows, and prototypes. Explain why you designed them that way and how they enhance the user experience.
• Demonstrate System Thinking: If you have experience with design systems, component libraries, or pattern design, showcase these and explain their benefits for consistency and scalability.
• Quantify Impact: Whenever possible, include metrics, user feedback, or business results to demonstrate the value of your design work.
• Be Prepared for Questions: Anticipate questions about your process, decision-making, collaboration, and how you handle constraints or feedback.
• Design Exercises: Be prepared for potential design challenges, which could involve a short take-home brief or an in-interview exercise focused on problem-solving, interaction design, or system thinking.
• Scenario-Based Questions: Practice answering questions about how you would approach specific design problems, handle client feedback, mentor junior designers, or integrate accessibility into a project.
• Articulate Process: Be ready to clearly and concisely explain your design process, emphasizing your strategic thinking and user-centered approach.

📝 Enhancement Note: Interview preparation should focus on demonstrating a blend of strategic thinking, hands-on design craft, leadership potential, and a clear understanding of the company's values and operational approach. The emphasis on portfolio presentation and the potential for design challenges highlights the practical, hands-on nature of the role. Strong preparation in articulating design rationale and showcasing impact is crucial.

Primary Tools:

• Figma: Expert-level proficiency is essential for creating complex, component-based design systems and interactive prototypes. This will be the core tool for daily design work.
• Prototyping Tools: Proficiency in tools like ProtoPie, Principle, or Framer is highly desirable for demonstrating sophisticated interaction behaviors and animations.
• Design System Tools: Experience in building and maintaining scalable design systems and component libraries is a key requirement.

Analytics & Reporting:

• User Behavior Analytics: Familiarity with tools like Hotjar for heatmaps and session recordings, and Maze or UserTesting.com for usability testing and data validation.
• Data Interpretation: The ability to understand and utilize quantitative and qualitative data to inform and validate design decisions.

CRM & Automation: While not directly a UX design tool, understanding how user experience impacts CRM and automation workflows can be beneficial. Experience with platforms that manage user journeys or customer data might be advantageous.

📝 Enhancement Note: Figma is clearly identified as the primary tool, with high expectations for proficiency. The inclusion of advanced prototyping tools and analytics platforms indicates a need for a designer who is not only skilled in interface creation but also in validating and optimizing user experiences based on data and user behavior.

Operations Values:

• Constant Curiosity: A drive to critically analyze data, understand user behavior, and identify opportunities for improvement. This involves an investigative mindset focused on resolving issues and taking informed action.
• Pushing Boundaries: A proactive approach to leveraging technology for efficiency and suggesting process improvements. This includes embracing innovation and exploring new methods to achieve better outcomes.
• The Power of Imagination: A commitment to creative problem-solving, going the extra mile to find the best solutions. This involves understanding client needs deeply and developing strategies that yield impactful results.
• Making It Happen: A proactive and responsible attitude, taking ownership of decisions and actions. This means demonstrating sound judgment and a commitment to seeing projects through to successful completion.
• Putting People First: Building strong, effective relationships internally and externally by understanding and balancing both business objectives and client needs. This emphasizes empathy and collaborative communication.
• Cross-functional Integration: Seamless collaboration with UX researchers, visual designers, developers, and client stakeholders is fundamental. This involves clear communication and a shared understanding of project goals.
• Process Review & Feedback: An open culture for sharing work, receiving constructive critique, and providing feedback to colleagues, particularly in mentoring junior designers.
• Knowledge Sharing: Active participation in sharing best practices, insights, and learnings within the team to collectively elevate design craft and methodology.

📝 Enhancement Note: The company's stated values are deeply integrated with the operational aspects of creative work, emphasizing critical thinking, innovation, problem-solving, accountability, and strong interpersonal skills. This suggests a culture where designers are expected to be proactive, strategic, and collaborative.

• Complex Industries: Designing for regulated sectors like healthcare or financial services requires a deep understanding of compliance, user trust, and complex user needs, which can be challenging but rewarding.
• Balancing Strategy & Execution: Effectively translating high-level strategic goals into detailed, user-friendly interaction designs while managing technical constraints and client expectations.
• Mentoring Junior Designers: Providing effective guidance and constructive feedback to junior team members requires strong communication skills, patience, and a deep understanding of design principles.
• Staying Ahead of Trends: Continuously adapting to emerging interaction patterns, AI-driven interfaces, and new design tools in a rapidly evolving technological landscape.
• Specialized Skill Development: Opportunities to deepen expertise in areas like AI-enhanced interfaces, advanced prototyping, or design for highly regulated industries.
• Industry Exposure: Engaging with diverse client projects across various sectors provides broad learning experiences and exposure to different business challenges.
• Mentorship & Leadership: Growing through mentorship from Lead UX Designers and Design Directors, and by actively mentoring junior designers, fostering leadership capabilities.
• Contribution to Practice: Participating in the evolution of internal design processes, toolkits, and knowledge-sharing initiatives offers a chance to influence the team's methodology and standards.

📝 Enhancement Note: The challenges presented are typical for a mid-weight designer in a consultancy environment, focusing on complexity, stakeholder management, and continuous learning. The growth opportunities are well-defined, offering clear paths for skill enhancement, leadership development, and contributing to the team's collective expertise.

Strategy Questions:

• "Describe a complex client project where you led end-to-end interaction design. What was the business problem, your strategic approach, the key design challenges, and the measurable impact?" (Focus on demonstrating strategic thinking, problem-solving, and impact.)
• "How do you balance user needs with business objectives and technical constraints in your design process? Provide an example." (Assess your ability to navigate trade-offs and find optimal solutions.)
• "Walk me through your process for designing and documenting a scalable design system or component library. What are the key considerations for maintainability and consistency?" (Evaluate your understanding of system design and scalability.)

Company & Culture Questions:

• "How do you stay updated on emerging interaction patterns and AI-enhanced interfaces? How have you incorporated these into your work?" (Gauge your passion for continuous learning and innovation.)
• "Describe your experience mentoring junior designers. What is your approach to providing constructive feedback and fostering their growth?" (Assess your leadership and mentorship capabilities.)
• "What does 'user-centered design' mean to you, and how do you ensure it's embedded throughout the entire design lifecycle?" (Understand your core design philosophy and application.)
• Structure is Key: For each project, clearly outline the context, your specific role, the problem, your process, the solutions (showcasing interaction detail), and the outcomes. Use a consistent template for clarity.
• Highlight Rationale: Be prepared to deeply explain why you made specific design decisions. Connect your choices back to user research, business goals, or design principles.
• Show, Don't Just Tell: Leverage interactive prototypes to demonstrate complex interactions. Use annotated screenshots or short videos for clarity on user flows and micro-interactions.
• Quantify Everything Possible: Present metrics, user feedback quotes, or business results to demonstrate the tangible impact of your work. If exact numbers aren't available, discuss qualitative improvements and potential impact.
• Address Constraints: Be ready to discuss how you navigated technical limitations, tight timelines, or challenging client feedback, showcasing your problem-solving skills and resilience.

📝 Enhancement Note: Interview preparation should focus on demonstrating a blend of strategic thinking, hands-on design craft, leadership potential, and a clear understanding of the company's values and operational approach. The portfolio presentation is a critical component, requiring thoughtful curation and articulate storytelling.

To apply for this Mid-Weight UX Designer position:

• Submit your application through the provided link on Workable.
• Tailor Your Resume: Ensure your resume highlights your 3-5 years of experience in interaction/UX design, specifically mentioning your proficiency in Figma and experience with design systems, prototyping, and accessibility. Quantify achievements where possible.
• Curate Your Portfolio: Select 3-5 of your strongest projects that demonstrate end-to-end ownership, strategic thinking, complex interaction design, and measurable impact. Ensure it's easily accessible (e.g., a dedicated website or a well-organized PDF).
• Prepare Your Presentation: Practice walking through your selected portfolio projects, focusing on articulating your process, design rationale, and the outcomes achieved. Be ready to answer detailed questions about your work and approach.
• Research the Company: Familiarize yourself with "This is Gain Ltd" and their "GAIN Experience" unit. Understand their approach to blending data, tech, and creativity, and how they deliver business impact for clients. This will help you tailor your responses and show genuine interest.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Application Requirements

Candidates should have 3-5 years of experience in interaction design or UX design, with a strong portfolio demonstrating end-to-end project ownership. Proficiency in Figma and a deep understanding of interaction design principles and accessibility standards are essential.

Private Medical Insurance, Life Assurance, Income Protection, Employee Assistance Programme, Cycle to Work Salary Sacrifice Scheme, Tech & Wearables S...