Senior Product Designer

📍 Job Overview

Job Title: Senior Product Designer

Company: Sedex

Location: City of London, England, United Kingdom

Job Type: FULL_TIME

Category: Product Design / UX/UI

Date Posted: 2026-09-03

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

Remote Status: Hybrid

🚀 Role Summary

• Spearhead the end-to-end product design process for supplier-facing features within a dedicated multi-disciplinary squad, focusing on enhancing the Sedex platform experience.

• Drive user research, ideation, wireframing, prototyping, and high-fidelity UI design, ensuring alignment with user needs and business objectives.

• Own and document the complete supplier journey map, leveraging data to identify and prioritize critical user issues for roadmap integration.

• Collaborate closely with Product Managers, Engineers, Delivery, and Analytics teams to translate complex requirements into intuitive and effective design solutions.

📝 Enhancement Note: This role is positioned within a sustainability-focused tech company, implying a need for designers who can balance user needs with ethical and environmental considerations. The emphasis on "revenue streams" and "supplier side" suggests a B2B SaaS context where understanding business goals and user workflows is paramount.

📈 Primary Responsibilities

• Lead the design lifecycle for supplier-focused features, from initial discovery and user research to final delivery and iteration.

• Translate business requirements and user needs into actionable design tasks, user stories, and detailed specifications.

• Develop comprehensive end-to-end journey maps for supplier organizations, using data analysis to identify pain points and opportunities for improvement.

• Conduct and interpret qualitative and quantitative user research, synthesizing findings into actionable product feedback and design recommendations.

• Analyze competitor products and features to inform strategic user experience decisions and identify competitive advantages.

• Create low-fidelity sketches, wireframes, and interactive prototypes to visualize and test product concepts and user flows.

• Produce high-fidelity user interface designs, ensuring consistency with and contributions to the company's design system.

• Lead design discussions and present concepts to business stakeholders outside the Product, Design, and Technology department, managing expectations and gathering input.

• Engage directly with Front-End and Back-End Engineers throughout the design process to ensure technical feasibility and efficient implementation.

• Provide final design sign-off for components and features before their release to production.

• Explore and propose the integration of emerging technologies, including AI, to enhance design processes, boost efficiency, and improve customer outcomes.

• Participate in the recruitment process for other Product Designers, contributing to team growth and talent acquisition.

📝 Enhancement Note: The responsibility to "document and own the end-to-end journey map for suppliers" and "identify issues and work with stakeholders to prioritise fixing them" indicates a strategic level of ownership beyond typical UI/UX tasks, requiring strong analytical and prioritization skills.

<x_bin_455> Skills & Qualifications

Education: A relevant degree, equivalent qualification, or substantial experience in Product Design, Human-Computer Interaction, or a related field.

Experience: 5-10 years of demonstrated experience in product design, with a focus on tactical and strategic design outputs, ideally within a B2B SaaS environment.

Required Skills:

• A strong portfolio showcasing a systematic approach to solving product design problems, including tactical and strategic design outputs.

• Proficiency in user experience design, behavioral design, and usability concepts.

• Solid understanding of interaction design principles and design systems.

• Advanced knowledge of accessibility implications in product design decisions.

• Excellent time management and workload prioritization capabilities.

• Understanding of Front-End and Back-End technologies and their impact on design.

• Collaborative attitude, demonstrating humility and empathy in interactions.

• Ability to give and receive constructive feedback effectively.

• Excellent written and verbal communication skills.

• Experience managing and influencing stakeholders.

• Familiarity with AI tools and their application in design processes.

• Advanced proficiency in Figma or similar industry-standard design software. Preferred Skills:

• Experience producing tactical and strategic design outputs.

• Good appreciation for the role of qualitative and quantitative user research, and knowing when to apply each.

• Solid comprehension of practical design principles, including grid systems, typography, and color theory.

• Experience recruiting other Product Designers.

• An interest in staying current with design trends and technology developments.

📝 Enhancement Note: The requirement for a "good appreciation of the role qualitative and quantitative user research plays" and "a solid comprehension of the practical applications of design principles" suggests the company values a data-informed and technically grounded approach to design, moving beyond purely aesthetic considerations.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A comprehensive portfolio demonstrating a structured approach to product design problem-solving, showcasing both tactical execution and strategic thinking.

• Case studies that clearly articulate the design process, from problem definition and research through to solution and impact, with a focus on user needs and business outcomes.

• Examples of how you have translated user research and data analysis into tangible design solutions that address specific user pain points or business objectives.

• Visual examples of high-fidelity UI designs, wireframes, and interactive prototypes, highlighting your proficiency in design tools like Figma.

• Evidence of contributions to or experience with design systems, demonstrating an understanding of component-based design and scalability. Process Documentation:

• Examples of how you have documented end-to-end user journeys, identifying key touchpoints, pain points, and opportunities for improvement.

• Demonstrations of how you've used data (qualitative and quantitative) to inform design decisions and prioritize roadmap items, especially in a B2B context.

• Case studies that illustrate collaboration with engineering and product teams, showing how design requirements were translated into technical specifications and implemented effectively.

• Evidence of leading design initiatives, including stakeholder management and presenting design solutions to non-design audiences.

📝 Enhancement Note: The emphasis on "documenting and owning the end-to-end journey map for suppliers" and "using data to surface real world user issues for prioritisation on our roadmap" strongly suggests that portfolio pieces should highlight analytical skills and the ability to connect design work directly to business priorities and user problem-solving.

💵 Compensation & Benefits

Salary Range: For a Senior Product Designer in London with 5-10 years of experience, the estimated salary range is £60,000 - £85,000 per annum. This estimate is based on typical market rates for similar roles in London, considering the company's industry (Sustainability Tech), the seniority of the position, and the typical benefits offered by mid-to-large sized tech companies in the UK.

Benefits:

• Opportunity to contribute to a mission-driven company focused on sustainability and ESG.

• Hybrid working model, offering flexibility between home and office.

• Professional development opportunities, including participation in recruitment and potentially leading design initiatives.

• Exposure to AI tools and emerging technologies, with opportunities to integrate them into design processes.

• Collaborative team environment with a focus on mutual respect and continuous feedback.

• Company-provided resources for keeping up-to-date with design trends and technology developments.

• Standard UK benefits package, likely including pension contributions, paid time off, and health/well-being support.

Working Hours: Approximately 40 hours per week, with flexibility expected. The hybrid work arrangement allows for a balance between structured workdays and personal needs.

📝 Enhancement Note: Based on industry standards for Senior Product Designers in London and the company's likely size and industry, a salary range of £60,000-£85,000 is a reasonable estimate. Benefits are inferred from typical offerings in the tech sector and the explicit mention of professional development and AI tool exploration.

🎯 Team & Company Context

🏢 Company Culture

Industry: Environmental & Sustainability Tech, Software, Data & Analytics. Sedex operates within a growing sector focused on supply chain transparency and ESG (Environmental, Social, and Governance) performance. This context implies a culture that values ethical practices, data-driven insights, and impactful solutions.

Company Size: Sedex is a well-established organization, indicated by its global reach ("over 100,000 businesses worldwide") and active recruitment, suggesting a company size likely in the mid-to-large range (e.g., 200-500+ employees). This size typically allows for established processes while still offering opportunities for individual impact.

Founded: Sedex was founded in 2001, giving it over two decades of experience in the ethical trade and supply chain sustainability space. This history implies a stable organization with a deep understanding of its market and a proven track record.

Team Structure:

• The Senior Product Designer will be part of the Product, Design, and Technology department, specifically within the wider Product Design team.

• They will operate within a "multi-disciplinary squad dedicated to one of our core revenue streams," suggesting a matrixed structure where designers are embedded within product teams alongside Product Managers, Engineers, and potentially Analysts.

• This role involves leading conversations with stakeholders outside the immediate department, indicating a need for strong cross-functional collaboration and influence across various business units. Methodology:

• Data-Driven Insights: Sedex emphasizes using "powerful data insights" to manage and report on sustainability performance, indicating that data analysis is central to their product strategy and operations.

• User-Centricity: The role requires a deep understanding of user needs, conducting research, and documenting user journeys, highlighting a commitment to user experience design.

• Iterative Development: The involvement in all areas of the product development lifecycle, from discovery to delivery, points to an agile or iterative development methodology.

• Continuous Improvement: A focus on identifying and prioritizing user issues for the roadmap suggests a culture of ongoing product refinement and optimization.

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

📝 Enhancement Note: The company's mission to improve supply chain sustainability and its use of data insights suggest that operations-minded candidates who can connect design work to measurable impact and efficiency will be highly valued.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as "Senior Product Designer," indicating a level of expertise and autonomy. It sits beyond entry-level or mid-level product design, requiring individuals who can lead design initiatives, manage stakeholders, and contribute strategically. The role involves not just execution but also ownership of design processes and the ability to influence product direction.

Reporting Structure: The Senior Product Designer will report into the broader Product Design team, likely with a direct line manager within that team. They will work within a "multi-disciplinary squad," meaning they will collaborate closely with Product Managers and Engineering leads within their specific squad, but their primary reporting line for design matters will likely be within the design function.

Operations Impact: The Senior Product Designer's impact is directly tied to the success of Sedex's supplier platform and its core revenue streams. By improving the user experience for suppliers, they contribute to increased platform adoption, better data quality, and ultimately, the company's mission of driving sustainability in supply chains. Their work directly influences the usability and effectiveness of the product, which is critical for customer retention and growth.

Growth Opportunities:

• Design Leadership: Opportunities to lead design for key features, influence the design system, and mentor junior designers, potentially progressing to a Lead Product Designer or Design Manager role.

• Cross-Functional Expertise: Deepening understanding of business operations, engineering constraints, and sustainability metrics through close collaboration, broadening skill sets beyond pure design.

• Strategic Influence: Participating in product strategy discussions, contributing to roadmap prioritization based on user insights, and influencing the direction of the supplier platform.

• AI Integration Expertise: Gaining hands-on experience in applying AI tools to design processes, becoming a subject matter expert in this emerging area.

• Recruitment and Team Building: Contributing to the growth of the design team by participating in hiring processes, developing leadership capabilities.

📝 Enhancement Note: The mention of "participate in recruitment of other Product Designers" and the focus on "leading conversations with business stakeholders" clearly indicates a senior level with leadership and influence expectations, opening doors for career progression into management or strategic design roles.

🌐 Work Environment

Office Type: Sedex has a physical office presence in London, suggesting a hybrid work model where employees are expected to be in the office for a portion of the week. This setup allows for in-person collaboration, team building, and focused work.

Office Location(s): The office is located at 18 St Swithin's Lane, London, EC4N 8AD, in the heart of the City of London. This central location is accessible via public transport and places the company within a major business hub, offering convenience for employees.

Workspace Context:

• Collaborative Environment: The hybrid model and multi-disciplinary squad structure encourage frequent interaction and collaboration with Product Managers, Engineers, and other designers.

• Tools and Technology: Employees will have access to industry-standard design tools like Figma, and potentially other project management and communication software, to facilitate their work. The company also encourages exploration of AI tools.

• Team Interaction: Regular team meetings, design critiques, and cross-functional discussions are likely integral to the workflow, fostering a sense of shared purpose and collective problem-solving.

Work Schedule: The standard working hours are approximately 40 hours per week. The hybrid arrangement provides flexibility, allowing individuals to balance their work responsibilities with personal commitments, while ensuring consistent engagement with the team and office environment on designated days.

📝 Enhancement Note: The hybrid model in a London office implies a balance between structured in-office collaboration and remote flexibility, which is typical for senior roles in established tech companies, allowing for both deep work and team synergy.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio to assess suitability for the role, focusing on experience, skills, and alignment with Sedex's mission.

• Portfolio Review & Discussion: An in-depth session with members of the Product Design team to walk through your portfolio, discuss your design process, problem-solving approach, and specific project contributions. Be prepared to articulate your rationale behind design decisions.

• Cross-Functional Interview: A meeting with a Product Manager and/or Engineering Lead from your potential squad to assess collaboration style, understanding of technical constraints, and ability to work within a multi-disciplinary team.

• Stakeholder Management Interview: A conversation with business stakeholders from outside the Product, Design, and Technology department to evaluate your ability to communicate design effectively, manage expectations, and influence decisions.

• Final Interview: Potentially with a Head of Department or senior leader to discuss cultural fit, career aspirations, and overall alignment with Sedex's values and vision.

Portfolio Review Tips:

• Curate Strategically: Select 3-5 of your strongest projects that best showcase your skills in user research, UX/UI design, problem-solving, and stakeholder management. Prioritize projects that align with B2B SaaS or sustainability domains if possible.

• Tell a Story: For each project, clearly articulate the problem, your role, the process you followed, the challenges you faced, the solutions you designed, and the impact of your work (quantify results where possible).

• Highlight Process: Emphasize your design methodology, including how you conducted user research, iterated on designs, collaborated with teams, and incorporated feedback. Show your journey, not just the final output.

• Showcase Figma Proficiency: Include examples of high-fidelity designs, interactive prototypes, and potentially contributions to or understanding of design systems.

• Demonstrate Impact: Where possible, provide metrics or qualitative feedback that demonstrates the success of your designs in achieving user or business goals.

Challenge Preparation:

• Design Exercise: Be prepared for a potential design exercise (take-home or live) that might involve analyzing a user problem, ideating solutions, and presenting a design concept. Focus on demonstrating your process and strategic thinking.

• Scenario-Based Questions: Expect questions about how you would handle specific design challenges, manage conflicting stakeholder feedback, or integrate new technologies like AI into your workflow.

• Company & Mission Alignment: Research Sedex's mission, values, and current product offerings. Be ready to articulate why you are passionate about sustainability and how your design skills can contribute to their goals.

📝 Enhancement Note: The emphasis on stakeholder management and collaboration with engineers suggests interview preparation should focus on demonstrating how you bridge the gap between design vision and practical implementation, and how you effectively communicate complex ideas to diverse audiences.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Essential for wireframing, prototyping, UI design, and collaboration. Proficiency is a core requirement.

• Design System Tools: Familiarity with creating, contributing to, or utilizing design systems for consistency and efficiency.

• Prototyping Tools: Beyond Figma, experience with other prototyping tools may be beneficial for specific use cases.

Analytics & Reporting:

• User Research Platforms: Tools for conducting and analyzing qualitative and quantitative user research (e.g., UserTesting, SurveyMonkey, Google Analytics, Hotjar).

• Data Analysis Tools: While not a primary analyst role, an understanding of how to interpret data from tools like Google Analytics or internal dashboards to inform design decisions is crucial.

CRM & Automation:

• Project Management Software: Experience with tools like Jira, Asana, or Trello for managing design tasks within agile squads.

• Collaboration Platforms: Proficiency with communication tools like Slack or Microsoft Teams for day-to-day team interaction.

• AI Tools: Familiarity with emerging AI tools that can assist in design research, content generation, or workflow automation.

📝 Enhancement Note: The explicit mention of Figma and "emerging technologies, including AI" highlights the company's commitment to modern design practices and innovation in tooling. Candidates should be prepared to discuss their experience with these technologies.

👥 Team Culture & Values

Operations Values:

• Respect Each Other: Fosters an inclusive environment where diverse perspectives are valued, and communication is open and empathetic. This translates to how designers interact with colleagues and users.

• Customer-Driven: A strong focus on understanding and serving customer needs, particularly suppliers. Design decisions are expected to directly benefit users and help them achieve their sustainability goals.

• Thinking Creatively: Encourages innovation and novel approaches to problem-solving. Designers are expected to challenge the status quo and propose fresh, effective solutions for complex sustainability and ethical sourcing issues.

• Take Ownership: Empowers individuals to take responsibility for their work, make decisions confidently, and drive projects to completion. This means taking initiative in design, research, and stakeholder management.

• Deliver Results: A commitment to achieving tangible, impactful outcomes. Design work should be measurable and demonstrably contribute to business objectives and societal impact.

Collaboration Style:

• Cross-Functional Integration: Designers are embedded in multi-disciplinary squads, working closely with Product Managers, Engineers, and Analysts. This requires strong communication and a willingness to understand different perspectives.

• Feedback Culture: Emphasis on giving and receiving constructive feedback is integral to improving designs and fostering professional growth.

• Knowledge Sharing: While not explicitly stated, the collaborative nature of agile squads and the focus on innovation likely promote knowledge sharing around best practices, tools, and industry trends.

📝 Enhancement Note: The company's core values strongly influence the expected behavior of designers. A candidate who can demonstrate empathy, a proactive approach, a data-informed mindset, and a focus on delivering tangible results will align well with Sedex's culture.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Business Goals: As a Senior Designer on a revenue-generating product, there will be a constant need to balance the ideal user experience with business requirements, technical constraints, and the company's sustainability mission.

• Data Interpretation for Design: Effectively translating complex sustainability data and user behavior analytics into actionable design insights and prioritizing them on the product roadmap requires strong analytical skills.

• Influencing Stakeholders: Leading conversations with business stakeholders outside the core product team requires strong communication, persuasion, and negotiation skills to gain buy-in for design recommendations.

• Adopting Emerging Technologies: Staying abreast of and effectively integrating new technologies like AI into design workflows while ensuring they deliver genuine value and improve user outcomes.

Learning & Development Opportunities:

• Advanced Design Strategy: Deepen expertise in strategic product design, journey mapping, and influencing product roadmaps.

• Sustainability & ESG Domain Knowledge: Gain in-depth understanding of supply chain sustainability, ESG reporting, and the challenges faced by businesses in this sector.

• AI in Design: Become proficient in leveraging AI tools for design research, ideation, and workflow optimization, positioning yourself as an expert in this area.

• Leadership and Mentorship: Opportunities to lead design initiatives, mentor junior designers, and participate in recruitment, developing leadership capabilities.

📝 Enhancement Note: The challenge of "documenting and owning the end-to-end journey map for suppliers, identifying issues and working with stakeholders to prioritise fixing them" is a significant growth opportunity, pushing the candidate to develop strategic ownership and prioritization skills.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to balance conflicting user needs and business priorities. How did you approach it, and what was the outcome?" (Focus on your process, compromise, and data-driven decision-making.)

• "Walk us through a complex user journey map you've created. What insights did it reveal, and how did you use it to influence the product roadmap?" (Highlight your analytical skills, ability to identify pain points, and impact on prioritization.)

• "How would you approach integrating AI tools into our design process to improve efficiency and user outcomes?" (Showcase your understanding of AI's practical applications in design and your innovative thinking.) Company & Culture Questions:

• "Why are you interested in working for Sedex, specifically given our mission in sustainability and ESG?" (Demonstrate genuine interest in the company's mission and values.)

• "How do you approach collaboration within a multi-disciplinary team, particularly with Product Managers and Engineers?" (Emphasize your communication, empathy, and ability to bridge disciplines.)

• "Describe a situation where you had to influence a non-design stakeholder. What was your strategy, and how did you achieve buy-in?" (Focus on your stakeholder management skills and ability to articulate value.) Portfolio Presentation Strategy:

• Structure Your Narrative: For each project, start with the "Why" (the problem), then the "How" (your process and solutions), and conclude with the "What" (the impact and learnings).

• Quantify Impact: Whenever possible, use metrics (e.g., increased conversion, reduced errors, improved efficiency) or strong qualitative evidence to demonstrate the success of your designs.

• Showcase Collaboration: Be ready to discuss how you worked with cross-functional teams, incorporated feedback, and navigated technical constraints.

• Be Prepared for Figma Deep Dives: Have specific examples of your Figma work ready, including complex components, prototyping interactions, and how you've leveraged its features for collaboration or design system work.

• Connect to Sedex: Frame your projects and experience in a way that highlights how they align with Sedex's mission and the specific needs of this Senior Product Designer role.

📝 Enhancement Note: Given the emphasis on journey mapping and stakeholder management, interview preparation should focus on demonstrating strategic thinking, analytical rigor, and strong communication skills, rather than just execution-level design capabilities.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application through the Sedex careers portal at https://careers.sedex.com/jobs/8315670-senior-product-designer.

• Curate and tailor your portfolio: Select projects that best showcase your end-to-end design process, problem-solving skills, and experience with B2B SaaS or sustainability-related products. Emphasize your journey mapping and stakeholder management experience.

• Optimize your resume: Highlight keywords related to Product Design, UX/UI, User Research, Figma, Design Systems, Accessibility, Stakeholder Management, and any experience with sustainability or ESG initiatives. Quantify achievements where possible.

• Prepare for portfolio walkthroughs: Practice articulating your design process, rationale, and the impact of your work clearly and concisely. Be ready to discuss how your skills align with Sedex's mission and values.

• Research Sedex thoroughly: Understand their mission, values, target users (suppliers), and the challenges within the sustainability tech space. Prepare thoughtful questions to demonstrate your engagement and 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.

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