Senior Product Designer

📍 Job Overview

Job Title: Senior Product Designer

Company: Once For All UK

Location: Basingstoke, England, United Kingdom

Job Type: Full-Time

Category: Product Design / UX/UI Design

Date Posted: 2026-04-24

Experience Level: Mid-Senior Level (5-10 years)

Remote Status: Hybrid

🚀 Role Summary

• Lead end-to-end product design within agile, cross-functional teams, focusing on delivering meaningful product outcomes rather than just design outputs.

• Translate user research and product insights into scalable, clear solutions for complex, multi-role B2B SaaS workflows.

• Employ a systems-first design mindset, meticulously defining components, states, behaviours, and edge cases to ensure a cohesive user experience.

• Collaborate closely with engineers throughout the entire product development lifecycle, from discovery to delivery and iteration, ensuring seamless implementation.

• Leverage AI-assisted workflows to explore, prototype, and iterate rapidly, accelerating learning and enhancing product outcomes.

📝 Enhancement Note: This role emphasizes a "design-to-build" approach, indicating a departure from traditional handoff models. The Senior Product Designer will be deeply involved in the execution and technical feasibility aspects of design, working hand-in-hand with engineering to bring complex solutions to life within a B2B SaaS context. The integration of AI into design and product experiences is a critical differentiator for this position.

📈 Primary Responsibilities

• Spearhead the complete product design lifecycle for features and modules, from initial user research and ideation through to final delivery and iterative improvements.

• Develop detailed interaction logic and product behaviour specifications, ensuring clarity, feasibility, and readiness for engineering implementation.

• Design AI-enhanced experiences where appropriate, focusing on assisted workflows, automation, decision support, and user control to augment user capabilities.

• Contribute significantly to the evolution and maintenance of the company's design system, creating reusable components and clear documentation.

• Produce clear user flows, wireframes, and interactive prototypes that effectively communicate complex behaviours, interactions, and edge cases to cross-functional teams.

• Conduct and synthesize user research, leveraging findings to inform design decisions and validate proposed solutions.

• Actively participate in agile ceremonies, providing design expertise and contributing to sprint planning, backlog refinement, and retrospectives.

• Support and mentor junior designers, fostering a collaborative environment for knowledge sharing and skill development within the design function.

📝 Enhancement Note: The responsibilities highlight a strong focus on understanding and designing for complex B2B workflows, often involving multiple user roles and significant data. The emphasis on AI integration suggests a forward-thinking design approach, requiring candidates to be adept at conceptualizing and implementing AI-driven features that enhance user efficiency and decision-making.

🎓 Skills & Qualifications

Education: While not explicitly stated, a degree in Design, Human-Computer Interaction, Computer Science, or a related field is typically expected for a Senior Product Designer role. Strong experience and a compelling portfolio can often substitute for formal education.

Experience: Minimum of 7+ years of dedicated product design experience, with a significant portion focused on B2B SaaS platforms.

Required Skills:

• Proven ability to lead end-to-end product design processes within agile, cross-functional teams.

• High proficiency in Figma, including advanced features such as variables, tokens, complex prototyping, and building scalable design systems.

• Demonstrable experience working within and contributing to established design systems, understanding component libraries and their application.

• Strong systems thinking capabilities, with the ability to design for complex, data-heavy, or multi-role B2B products.

• Deep understanding of interaction design principles, including designing for states, edge cases, and responsive behaviours across various platforms.

• Experience collaborating closely with engineering teams throughout the entire product development lifecycle, ensuring design feasibility and successful implementation.

• Ability to clearly articulate design intent, rationale, and technical considerations to both technical and non-technical stakeholders.

Preferred Skills:

• Experience designing for compliance, procurement, ESG, or marketplace platforms.

• Familiarity with Storybook or similar tools for bridging design systems and code implementation.

• Basic understanding of frontend technologies such as HTML, CSS, and React.

• Experience with modern AI-assisted design tools (e.g., Figma's AI features, Claude, ChatGPT for design ideation).

• Experience prototyping or experimenting with code-based solutions or AI-assisted development tools.

• Experience designing AI-native interfaces, understanding concepts like uncertainty, confidence levels, and human-in-the-loop interactions.

• Experience mentoring or providing guidance to other designers.

📝 Enhancement Note: The "7+ years" requirement positions this as a senior role, demanding a high level of autonomy, strategic thinking, and leadership potential. The explicit mention of Figma and design systems underscores the need for technical design proficiency. The preference for AI design experience indicates a focus on innovation and future-proofing the product.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase at least 2-3 complex B2B SaaS projects that demonstrate end-to-end product design ownership.

• Clearly illustrate a systems-first design approach, highlighting how components, states, and behaviours were defined and managed.

• Include examples of designing for complex workflows involving multiple user roles, data visualization, or intricate business logic.

• Demonstrate proficiency with Figma, including system-based design, advanced prototyping, and variable usage.

Process Documentation:

• For each portfolio project, outline the discovery and research phases, including methodologies used (e.g., user interviews, competitive analysis).

• Document the design process, from initial wireframing and user flows to high-fidelity mockups and interactive prototypes.

• Explain the iteration process, how feedback (from users, stakeholders, and engineers) was incorporated, and how designs evolved.

• Detail the approach to designing AI-assisted features, including considerations for user control, clarity, and ethical implications.

• Showcase contributions to or creation of design system components and patterns.

📝 Enhancement Note: The portfolio is critical for this role, serving as the primary evidence of the candidate's ability to handle complex B2B SaaS challenges, design systematically, and collaborate effectively. Emphasis should be placed on demonstrating problem-solving skills, strategic thinking, and a deep understanding of the product development lifecycle. The AI aspect should be clearly articulated within project case studies.

💵 Compensation & Benefits

Salary Range: Based on the provided salary of £70,000 GBP per annum for a Senior Product Designer with 7+ years of experience in Basingstoke, UK, this falls within the mid-to-upper range for such roles in the region. The market average for a Senior Product Designer in the UK can range from £60,000 to £90,000+, depending on location, company size, industry, and specific responsibilities, especially those involving AI and complex SaaS.

Benefits:

• Wellness fund or Private Medical Insurance (dependent upon role)

• Pension scheme

• Life Assurance (3x salary)

• 25 days of annual leave plus 8 bank holidays

• Ongoing Continual Professional Development (CPD) opportunities

• Holiday purchase scheme (up to 5 days)

• 1 paid and 1 unpaid volunteering day per year

• 24/7 Employee Assistance Programme

• Regular team and company offsite events

• Specsavers eye care voucher

• Free tea, coffee, and fruit (available at the Basingstoke office)

Working Hours: Standard full-time hours are assumed to be approximately 40 hours per week, typical for a permanent role in the UK. The hybrid work model suggests flexibility, with potential for remote work days balanced with in-office collaboration.

📝 Enhancement Note: The salary is competitive for a Senior Product Designer role in the UK, particularly given the Basingstoke location and the emphasis on advanced skills like AI integration. The comprehensive benefits package reflects a commitment to employee well-being and professional growth.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology / SaaS (Software as a Service), specializing in Supply Chain Governance, Risk Management, and Compliance.

Company Size: The description implies a high-growth business with over 250,000 customers, suggesting a significant operational scale and a dynamic work environment. LinkedIn data indicates a company size of 201-500 employees.

Founded: Company founded in 2009, indicating a mature SaaS company with established processes but still in a growth phase.

Team Structure:

• The Senior Product Designer will be part of a small, cross-functional product team, including Design, Frontend Engineering, Backend Engineering, QA, and Product Management.

• This structure promotes close collaboration and shared ownership of product outcomes.

Methodology:

• Agile development methodologies are standard.

• Emphasis on a "design-to-build" approach, where design extends further into the implementation phase.

• Use of AI-assisted workflows for exploration, prototyping, and iteration is a key methodology.

• Focus on product outcomes, user efficiency, and successful implementation rather than just design deliverables.

Company Website: https://careers.onceforall.com/

📝 Enhancement Note: Once For All operates in a critical sector (GRC) within the B2B SaaS space, suggesting a need for robust, reliable, and compliant software solutions. The company's growth and customer base indicate market traction and potential for impact. The evolving "design-to-build" methodology and AI integration point to a forward-thinking and innovative product development culture.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Product Designer role, requiring significant experience and the ability to operate with a high degree of autonomy. It sits within the product development function but has strong operational implications for how products are built and scaled.

Reporting Structure: The Senior Product Designer will report to a Product Lead or Head of Design, working within a cross-functional product team structure. Collaboration is key, with direct interaction with engineering and product management.

Operations Impact: The role directly impacts the efficiency, usability, and adoption of the Once For All platform. By designing intuitive and effective workflows, the Senior Product Designer contributes to customer satisfaction, retention, and the company's ability to scale its SaaS offerings. The focus on product outcomes means the role's success is tied to tangible business results.

Growth Opportunities:

• Skill Advancement: Deepen expertise in AI-assisted design, complex B2B SaaS design, and design system architecture. Opportunity to become a subject matter expert in AI-driven product experiences.

• Leadership Development: Potential to mentor junior designers, lead design initiatives within product teams, and influence the evolution of the design function.

• Career Progression: Pathways could lead to Lead Product Designer, Head of Product Design, or Product Management roles, depending on individual career aspirations and performance. The "design-to-build" evolution might also create new specialized roles within the product team.

📝 Enhancement Note: This role offers substantial growth potential for a designer looking to deepen their expertise in B2B SaaS, particularly in areas like governance, risk, and compliance, and to gain hands-on experience with cutting-edge AI design methodologies. The emphasis on collaborative impact within cross-functional teams provides a solid foundation for future leadership roles.

🌐 Work Environment

Office Type: The company offers a hybrid, remote-first working model. This implies that while the primary work can be done remotely, there are intentional in-person collaboration opportunities. The Basingstoke office serves as a hub for such interactions.

Office Location(s): The primary office location mentioned is MIDPOINT, Basingstoke, RG21 7PP, United Kingdom. This suggests a physical workspace is available for those who prefer it or for scheduled team events.

Workspace Context:

• Collaborative Environment: The hybrid model facilitates flexibility while ensuring meaningful in-person collaboration for specific team events and strategic sessions, crucial for complex design challenges.

• Tools & Technology: Access to modern design tools (Figma) and likely a robust IT infrastructure to support remote and hybrid work. The company is actively exploring and integrating AI tools.

• Team Interaction: Opportunities for direct interaction with design, engineering, and product teams, fostering a culture of shared problem-solving and innovation.

Work Schedule: While the role is full-time (approx. 40 hours/week), the remote-first and hybrid nature suggests a degree of flexibility in daily working hours, provided core collaboration times and deadlines are met. This allows for better work-life integration, which is beneficial for deep work and iterative design processes.

📝 Enhancement Note: The "remote-first" approach indicates a strong emphasis on employee autonomy and trust, while the "meaningful in-person collaboration" highlights the company's commitment to team cohesion and effective problem-solving through direct interaction. This balance is often attractive to experienced professionals seeking flexibility without sacrificing team connection.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: An initial call with a recruiter or hiring manager to assess basic qualifications, cultural fit, and understanding of the role's key requirements.

• Portfolio Review & Deep Dive: A session dedicated to reviewing the candidate's portfolio. This will involve discussing specific projects, design decisions, challenges faced, and solutions implemented, with a strong focus on systems thinking, complex workflows, and AI integration.

• Cross-Functional Team Interview: Interviews with members of the product team (e.g., engineers, product managers) to assess collaboration skills, technical understanding, and ability to work within an agile "design-to-build" environment.

• Take-Home Challenge (Potential): A design exercise may be given to assess practical application of skills, problem-solving approach, and efficiency in a given timeframe. This could involve a small design problem or a critique of an existing feature.

• Final Interview: A conversation with senior leadership or the Head of Product/Design to discuss overall fit, strategic thinking, and long-term potential.

Portfolio Review Tips:

• Curate Strategically: Select 3-4 projects that best showcase your experience with B2B SaaS, complex workflows, systems thinking, and AI-assisted design.

• Tell a Story: For each project, clearly articulate the problem, your role, the process followed (research, ideation, design, iteration), the challenges encountered, your specific contributions, and the measurable outcomes or impact.

• Highlight Systems Thinking: Explicitly show how you designed reusable components, managed states, and considered the broader system implications.

• Detail AI Integration: If applicable, clearly explain how AI was used in the design process or how AI-driven features were designed for the end-user.

• Showcase Figma Proficiency: Be prepared to discuss your use of Figma features like variables, tokens, and interactive prototyping.

• Be Ready for Technical Questions: Expect questions about design system implementation, collaboration with engineers, and understanding of frontend technologies.

Challenge Preparation:

• Understand the Brief: If a take-home challenge is provided, thoroughly understand the problem statement and any constraints.

• Focus on Process: Demonstrate your problem-solving methodology, not just the final solution. Show your research, ideation, and decision-making process.

• Consider AI: Think about how AI could be leveraged in the given scenario, either in the design process or within the product itself.

• Time Management: Allocate your time effectively to deliver a well-thought-out solution within the given deadline.

• Presentation: Prepare a clear and concise presentation of your solution, highlighting key design decisions and their rationale.

📝 Enhancement Note: The interview process is designed to thoroughly assess not only design skills but also the candidate's ability to collaborate effectively in a modern, agile product development environment, with a specific focus on AI integration and a "design-to-build" ethos. The portfolio is the cornerstone of the evaluation.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: The core design and prototyping tool. High proficiency required, including advanced features like variables, tokens, and collaborative features for system-based design.

• AI-Assisted Design Tools: Experience with tools like Figma's AI features, Claude, or similar for ideation, content generation, or workflow acceleration.

• Prototyping Tools: While Figma is primary, familiarity with other rapid prototyping tools might be beneficial.

Analytics & Reporting:

CRM & Automation:

• Familiarity with the B2B SaaS context implies an understanding of CRM systems (e.g., Salesforce) and marketing automation platforms, though direct design work within them might be limited unless specified. The company's product itself is a GRC platform, which has elements of workflow automation and compliance management.

📝 Enhancement Note: Proficiency in Figma is non-negotiable. The emphasis on AI tools suggests the company is keen on adopting modern workflows. While the designer may not directly manage CRM or analytics platforms, understanding their output and how they influence user behaviour is important for context.

👥 Team Culture & Values

Operations Values:

• Outcome-Oriented: Success is measured by product outcomes (user efficiency, adoption, collaboration) rather than just design outputs. This drives a focus on impact and results.

• Collaboration & Integration: Close alignment between design and engineering is paramount, fostering a "design-to-build" culture where teams work together seamlessly.

• Innovation & Experimentation: Encouragement to experiment with AI tools and new ways of building digital products, indicating a culture that embraces forward-thinking approaches.

• Continuous Improvement: The role involves iteration and refinement, suggesting a value placed on ongoing learning and enhancing the product and processes.

• Clarity & Feasibility: A practical approach to design, ensuring solutions are clear, well-defined, and technically feasible for implementation.

Collaboration Style:

• Cross-functional Partnership: Deep collaboration with engineers and product managers is expected, moving beyond traditional silos.

• Feedback-Driven: A culture where feedback is actively sought and incorporated from all team members and stakeholders, including users.

• Knowledge Sharing: Encouragement to share learnings, best practices, and insights, particularly within the design and product teams.

• Agile Cadence: Participation in agile ceremonies provides a structured framework for collaboration and communication.

📝 Enhancement Note: The company culture appears to be dynamic, growth-oriented, and collaborative, with a strong emphasis on innovation, particularly around AI. The "design-to-build" ethos signifies a departure from traditional, siloed team structures towards a more integrated and efficient product development process.

⚡ Challenges & Growth Opportunities

Challenges:

• Ambiguity: Working in a fast-moving environment where problems may not always be fully defined upfront requires comfort with ambiguity and the ability to drive clarity.

• Designing for Complexity: Translating complex, data-heavy, multi-role B2B workflows into intuitive user experiences requires deep analytical and design thinking.

• Integrating AI Thoughtfully: Determining where AI adds genuine value to the user experience and designing AI-enhanced features that are clear, controllable, and ethical presents a significant challenge.

• Balancing Design System and Innovation: Contributing to and evolving a design system while also exploring new features and AI integrations requires careful balance.

• Remote-First Collaboration: Maintaining strong team cohesion and effective design-engineering collaboration in a remote-first environment requires proactive communication and engagement.

Learning & Development Opportunities:

• AI Design Specialization: Become an expert in designing AI-native interfaces and leveraging AI tools within the design workflow.

• B2B SaaS Domain Expertise: Deepen understanding of governance, risk, compliance, supply chain management, and related industries.

• Design System Architecture: Gain advanced experience in building and scaling robust design systems.

• Leadership Mentorship: Develop mentorship and leadership skills through guiding junior designers and leading design initiatives.

• Agile & Product Development: Hone skills in agile methodologies and contribute to the evolution of product development processes like "design-to-build."

📝 Enhancement Note: The challenges presented are typical of senior roles in innovative tech companies, offering significant opportunities for professional growth and skill development. The focus on AI integration is a key differentiator, positioning this role as a chance to be at the forefront of design innovation.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you led the end-to-end design of a complex B2B SaaS feature. What were the key challenges and how did you overcome them?" (Focus on process, collaboration, and outcomes.)

• "How do you approach designing with a systems-first mindset? Can you walk us through an example from your portfolio where this was critical?" (Assess systems thinking and design system contribution.)

• "Once For All is exploring AI integration. How would you approach designing an AI-assisted workflow or a decision-support tool? What are the key considerations for user control and clarity?" (Evaluate AI design thinking and ethical considerations.)

Company & Culture Questions:

• "What interests you about Once For All and our mission in supply chain governance, risk, and compliance?" (Demonstrate company research and alignment.)

• "How do you see yourself contributing to a remote-first, hybrid team culture focused on collaboration and innovation?" (Assess cultural fit and remote work adaptability.)

Portfolio Presentation Strategy:

• Structure Your Narrative: For each project, clearly define the problem, your role, the process, your specific contributions, and the impact/outcomes.

• Highlight Systems Thinking: Visually and verbally demonstrate how you managed components, states, and interactions within a larger system.

• Showcase Figma Mastery: Be prepared to share your Figma files or demonstrate specific techniques if asked.

• Emphasize Collaboration: Explain how you worked with product managers, engineers, and other stakeholders throughout the project.

• Address AI Integration: Clearly articulate any use of AI in your design process or in the features you designed.

• Quantify Impact: Whenever possible, use metrics to demonstrate the success of your designs (e.g., improved conversion rates, reduced task completion time, increased user satisfaction scores).

📝 Enhancement Note: Interview preparation should focus on demonstrating not just design expertise but also strategic thinking, a deep understanding of B2B SaaS challenges, and a forward-looking approach to AI integration. The ability to articulate a clear process and collaborate effectively will be key.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application through the provided link on the Once For All careers page.

• Tailor your Resume: Highlight your 7+ years of B2B SaaS product design experience, specific skills in Figma, design systems, systems thinking, and any experience with AI-assisted design. Quantify achievements where possible.

• Curate a Powerful Portfolio: Select projects that best showcase your ability to handle complex workflows, your systems-first approach, and your collaboration with engineering. Ensure AI integration is clearly presented.

• Prepare Your Narrative: Practice walking through your portfolio projects, focusing on the problem, your process, your specific contributions, and measurable outcomes. Be ready to discuss your approach to AI in design.

• Research Once For All: Understand their product, industry (GRC), and company values to articulate your interest and cultural fit during interviews.

⚠️ 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.