Senior Product Designer - Sell Online

📍 Job Overview

Job Title: Senior Product Designer - Sell Online

Company: SumUp

Location: Warsaw, Poland

Job Type: Full-time

Category: Product Design / GTM Operations

Date Posted: October 29, 2026

Experience Level: Senior (5-10 years)

Remote Status: Hybrid

🚀 Role Summary

• This role is pivotal in shaping the online presence and operational capabilities of small businesses, focusing on the "Sell Online" product suite which includes appointment bookings and online stores.

• The Senior Product Designer will drive the entire design lifecycle, from conceptualization and user flow definition to high-fidelity UI, ensuring a cohesive and visually compelling user experience.

• You will be instrumental in evolving and maintaining a scalable design system, promoting consistency and efficiency across multiple product squads and platforms (web and mobile).

• A key aspect of this role involves deep collaboration with Product Managers, Engineers, and other designers, managing multiple workstreams simultaneously to ensure seamless design delivery and product integration.

• The position requires a strong user-centered approach, leveraging qualitative research and user data to inform design decisions and optimize the customer journey for millions of merchants globally.

📝 Enhancement Note: While the title is "Product Designer," the responsibilities and focus on "Sell Online" products (bookings, online stores, customer management) strongly align with GTM (Go-To-Market) operations, particularly in how product design directly impacts merchant adoption, operational efficiency, and revenue generation for small businesses. The role bridges the gap between user experience and business outcomes.

📈 Primary Responsibilities

• End-to-End Design Ownership: Lead the complete design process for Bookings and Online Store products, translating early-stage concepts and user flows into polished, high-fidelity UI designs and detailed specifications for development.

• Visual Craftsmanship & Brand Consistency: Develop visually striking interfaces, including custom iconography and illustrations, that elevate the overall aesthetic quality and brand consistency across all "Sell Online" products.

• Cross-Functional Collaboration & Squad Integration: Work concurrently with multiple product squads, fostering strong partnerships with Product Managers and Engineers to ensure design integrity and efficient delivery pipelines.

• Design System Development & Governance: Actively contribute to the expansion and refinement of SumUp's design system, ensuring its scalability and consistent application across a growing product portfolio.

• User-Centric Decision Making: Utilize qualitative user research, usability testing, and quantitative data insights to validate design hypotheses, iterate on solutions, and champion a user-first perspective in all design outputs.

• Stakeholder Management & Communication: Effectively manage communication and expectations with various stakeholders across different product areas, ensuring alignment on design strategy and project goals.

• Web & Mobile Experience Design: Design intuitive and engaging user experiences for both web-based platforms and mobile applications, catering to the diverse needs of small business owners.

📝 Enhancement Note: The emphasis on "multiple product areas simultaneously" and "managing multiple workstreams" indicates a need for strong project management and prioritization skills within the design function, directly impacting the efficiency and speed of GTM initiatives.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong foundation in Design, HCI, or a related field, demonstrated through a robust portfolio, is expected.

Experience: 5-10 years of professional experience in product design, with a significant focus on end-to-end product development.

Required Skills:

• Comprehensive Portfolio: A strong portfolio showcasing end-to-end product design projects, including wireframes, user flows, high-fidelity UI mockups, and interactive prototypes, with clear evidence of visual craft, typography, and layout expertise.

• Web & Mobile Design: Proven experience designing for both web and mobile platforms, with a preference for experience in e-commerce, booking systems, or similar consumer-facing digital products.

• Design Systems: Demonstrated ability to work with, contribute to, and ideally evolve design systems at scale, ensuring consistency and efficiency in product development.

• Multi-Workstream Management: Proven capability to manage multiple design projects and stakeholders concurrently across different product domains without compromising quality or delivery timelines.

• User Research & Data Analysis: Proficiency in employing qualitative research methods (user interviews, usability testing) and interpreting user data to inform design decisions and validate product solutions.

• Collaborative Mindset: A curious, adaptable, and collaborative approach to problem-solving, with excellent listening skills and the ability to navigate ambiguity effectively.

• Visual Design Acumen: Strong aesthetic sensibility with expertise in UI design principles, typography, layout, color theory, iconography, and illustration.

Preferred Skills:

• Experience within the Fintech or SaaS industry.

• Familiarity with tools for user analytics and A/B testing.

• Experience contributing to or leading design sprints.

• Basic understanding of front-end development principles (HTML, CSS, JavaScript) to facilitate better collaboration with engineering teams.

📝 Enhancement Note: The "5-10 years" experience level, coupled with the requirement to manage multiple workstreams and contribute to a scaled design system, suggests this role is for a seasoned individual contributor capable of operating with a high degree of autonomy and strategic input, typical of senior-level operations-adjacent design roles.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• End-to-End Case Studies: Detailed case studies that walk through the entire design process for at least 2-3 significant product features or initiatives. Each case study should clearly articulate the problem, your role, the design process, key decisions, and the ultimate outcome or impact.

• Visual Craft Emphasis: Specific examples that highlight strong visual design skills, including UI mockups, style guides, iconography, and illustration work, demonstrating attention to detail in typography, layout, and aesthetic coherence.

• User Flow & Wireframing Examples: Clear illustrations of your ability to map out complex user journeys and create functional wireframes that form the basis for intuitive user experiences.

• Design System Contribution: Evidence of your involvement with design systems, whether it's showcasing how you've utilized an existing system effectively or demonstrating contributions to its growth and maintenance.

• Problem-Solving & Iteration: Examples that illustrate your iterative design process, showing how you've responded to user feedback, data insights, or stakeholder input to refine designs.

Process Documentation:

• Candidates are expected to be able to articulate their design process clearly, detailing how they approach problem definition, ideation, prototyping, user testing, and final handoff to development.

• The ability to document design decisions, rationale, and user insights in a structured manner will be crucial for cross-functional alignment and knowledge sharing within the product teams.

📝 Enhancement Note: For a Senior Product Designer role, especially one involving multiple product areas, the portfolio is a critical tool for assessing not just design skills but also process maturity, strategic thinking, and the ability to deliver tangible business value through design. The emphasis on "end-to-end" and "outcome/impact" is crucial for operations-minded candidates.

💵 Compensation & Benefits

Salary Range: 15,600 - 27,000 PLN per month (Gross)

Benefits:

• Virtual Stock Option Programme: Ownership stake in SumUp's future success, aligning personal incentives with company growth.

• Annual L&D Budget: €2000 per year for professional development, including conferences, courses, and further education, supporting continuous learning for operations-critical skills.

• Fitness Support: Access to on-site gym or Multisport Card, subsidized by SumUp, promoting employee well-being.

• Comprehensive Health Coverage: Health insurance for employees and their families, along with life insurance for peace of mind.

• Generous Time Off: 26 days of paid leave, plus public holidays and special leave days, ensuring work-life balance.

• Sabbatical Leave: A 1-month sabbatical after 3 years of service, promoting long-term employee engagement and preventing burnout.

• Referral Bonus: Rewards for successfully referring new talent to SumUp.

Working Hours: Approximately 40 hours per week. The hybrid work arrangement suggests flexibility in structuring these hours, with an expectation of core hours for collaboration.

📝 Enhancement Note: The salary range is competitive for a Senior Product Designer in Warsaw. The benefits package is robust, with a strong emphasis on professional development (L&D budget) and employee well-being, which are attractive to professionals in demanding roles that require continuous skill enhancement, akin to operations roles. The Virtual Stock Option Programme is a significant draw for long-term commitment.

🎯 Team & Company Context

🏢 Company Culture

Industry: Fintech / Financial Technology (specifically, payment solutions and business tools for small merchants).

Company Size: Over 3,000 employees. This indicates a well-established organization with structured processes, multiple departments, and opportunities for collaboration across diverse teams.

Founded: 2012. SumUp has grown significantly since its founding, establishing itself as a major player in the small business financial services sector.

Team Structure:

• The "Sell Online" team is cross-functional, embedding designers within multiple product squads. This structure promotes close collaboration between design, product management, and engineering, fostering agile development and rapid iteration.

• As a Senior Product Designer, you will likely report to a Design Lead or Head of Design, with direct collaboration across Product Managers and Engineering Leads within your assigned squads.

• Designers are encouraged to work closely with other designers within the broader design team to share knowledge, maintain consistency, and contribute to the design system. Methodology:

• Agile & Lean Practices: SumUp operates within an agile framework, emphasizing iterative development, continuous feedback, and data-driven decision-making.

• User-Centric Design: A strong focus on understanding and serving the needs of small business owners through research, data analysis, and user testing.

• Design System Driven: A commitment to building and maintaining a scalable design system to ensure product consistency, efficiency, and faster development cycles.

• Data-Informed Decisions: Utilizing both qualitative research and quantitative user data to guide product strategy and design choices, a key aspect of operational efficiency.

Company Website: https://sumup.com/

📝 Enhancement Note: The "Sell Online" team's focus on empowering small businesses aligns with a mission-driven culture. The company's growth and international presence suggest a dynamic environment where operational efficiency and scalable solutions are paramount, making this design role critical to GTM success.

📈 Career & Growth Analysis

Operations Career Level: Senior Product Designer. This level implies a significant degree of autonomy, responsibility for complex design challenges, and the ability to influence product strategy. It's a role focused on execution excellence and mentorship, rather than direct people management.

Reporting Structure: You will likely report into a Design Manager or Head of Design, but your day-to-day work will be embedded within cross-functional product squads, collaborating closely with Product Managers and Engineering Leads. This matrixed structure is common in agile environments and requires strong influencing skills.

Operations Impact: Your work directly impacts the usability and effectiveness of SumUp's online selling tools. Successful product design translates into higher merchant adoption, increased customer satisfaction, reduced churn, and ultimately, revenue growth for SumUp and its merchants. This role is critical in ensuring the "Sell Online" products are intuitive and efficient for businesses to use, directly supporting SumUp's go-to-market strategy.

Growth Opportunities:

• Leadership in Design System: Opportunity to take a leading role in evolving and scaling the design system, impacting product consistency across the entire SumUp ecosystem.

• Product Strategy Influence: As a senior member, you'll have opportunities to influence product strategy through user insights and design expertise, contributing to the long-term vision of the "Sell Online" products.

• Mentorship: Potential to mentor junior designers, sharing best practices in visual craft, user-centered design, and cross-functional collaboration.

• Specialization: Deepen expertise in e-commerce, booking systems, or fintech design, becoming a subject matter expert within SumUp.

• Cross-Squad Mobility: Potential to move between different product squads or areas within the "Sell Online" team, gaining broader experience.

📝 Enhancement Note: The "Senior" title and the nature of owning "complex design challenges across several product areas simultaneously" suggest this role is geared towards an individual contributor who can drive impact through exceptional design execution and strategic input, similar to a senior operations analyst or manager focused on process optimization and strategic projects.

🌐 Work Environment

Office Type: Hybrid. Employees are expected to work from the SumUp office in Warsaw, Hala Koszyki, but with flexibility for remote work. This fosters a blend of in-person collaboration and individual focus.

Office Location(s): Warsaw, Poland, specifically within the vibrant Hala Koszyki, a well-known cultural and culinary hub. This location offers a stimulating environment.

Workspace Context:

• Collaborative Spaces: The office environment likely includes collaborative areas designed for team meetings, brainstorming sessions, and cross-functional work, essential for agile squads.

• Design Tools & Technology: Access to industry-standard design software (e.g., Figma, Sketch) and collaborative tools necessary for effective product design and team synchronization.

• Team Interaction: Opportunities for regular interaction with fellow designers, product managers, engineers, and other stakeholders, fostering a strong sense of community and shared purpose.

Work Schedule: The standard working hours are approximately 40 hours per week. The hybrid model provides flexibility, allowing individuals to balance office presence with remote work, accommodating different working styles and personal needs while ensuring team connectivity.

📝 Enhancement Note: The hybrid model and the location in a dynamic area like Hala Koszyki suggest a modern, employee-centric work environment that values both productivity and well-being, appealing to professionals who seek a balance between focused work and collaborative engagement.

📄 Application & Portfolio Review Process

Interview Process:

1. Application & Portfolio Review: Initial screening based on your resume and portfolio. The portfolio will be critically reviewed for visual craft, end-to-end process, and impact.

2. Hiring Manager/Recruiter Screen: A conversation to assess your experience, understand your motivations, and introduce you to SumUp's culture and the specific role.

3. Design Challenge/Case Study Presentation: You may be asked to complete a design exercise or present a case study from your portfolio, demonstrating your problem-solving approach, design thinking, and communication skills. This is a key opportunity to showcase your operations-minded approach to design.

4. Team/Cross-functional Interviews: Meetings with Product Managers, Engineers, and other Designers to evaluate your collaboration style, technical understanding, and cultural fit within the "Sell Online" team.

5. Final Interview: Potentially with a senior leader (e.g., Head of Design, VP of Product) to discuss strategic alignment and overall fit.

Portfolio Review Tips:

• Curate Strategically: Select 3-4 projects that best demonstrate your end-to-end design process, visual polish, and impact. Prioritize projects that align with SumUp's "Sell Online" products (e-commerce, bookings, SaaS).

• Tell a Story: For each project, clearly articulate the problem, your specific role and contributions, the design process, key decisions made (and why), and the measurable outcomes or learnings. Quantify impact where possible (e.g., "improved conversion by X%", "reduced task completion time by Y%").

• Showcase Visual Craft: Ensure your UI mockups are high-fidelity, pixel-perfect, and demonstrate strong typography, layout, and color usage. Include examples of iconography or illustration if applicable.

• Highlight Process: Clearly show your journey from initial ideation (wireframes, user flows) through to final UI and any user testing or iteration involved.

• Design System Integration: If possible, show how you've worked with or contributed to a design system.

Challenge Preparation:

• Understand the Business: Research SumUp's mission, target audience (small businesses), and its product suite. Understand the competitive landscape for online selling tools.

• Focus on User Needs: Be prepared to articulate how you would approach understanding the needs of small business owners for online sales and bookings.

• Prioritize & Justify: If given a design challenge, focus on a specific user problem and clearly justify your design decisions based on user needs, business goals, and design principles.

• Communicate Clearly: Practice articulating your thought process and design rationale concisely and effectively.

📝 Enhancement Note: The interview process emphasizes a practical demonstration of skills through portfolio review and potential design challenges. This is typical for roles that have a direct impact on operational efficiency and revenue generation, where the ability to translate strategy into tangible, user-friendly products is paramount.

🛠 Tools & Technology Stack

Primary Design Tools:

• Figma: Highly likely to be the primary tool for wireframing, UI design, prototyping, and collaboration. Proficiency is essential.

• Sketch: May also be used, especially for legacy projects or by some team members.

• Prototyping Tools: InVision, Principle, or Figma's built-in prototyping capabilities for creating interactive mockups.

Design System Tools:

• Storybook: Commonly used for documenting and showcasing design system components, though SumUp might have its own internal system.

• Zeroheight / Specify: Tools for design system documentation and handoff.

User Research & Analytics:

• UserTesting.com / Maze / UserZoom: Platforms for remote usability testing and user feedback.

• Google Analytics / Mixpanel / Amplitude: Tools for tracking user behavior, conversion rates, and product engagement.

• Hotjar / FullStory: For heatmaps, session recordings, and understanding user interactions.

Collaboration & Project Management:

• Jira / Confluence: For tracking development progress, user stories, and project documentation.

• Slack / Microsoft Teams: For real-time communication and team collaboration.

📝 Enhancement Note: Proficiency in Figma is almost a given for modern product design roles. Familiarity with user analytics and collaboration tools like Jira is crucial for understanding how design impacts business operations and for working effectively within development pipelines.

👥 Team Culture & Values

Operations Values:

• Empowerment of Small Businesses: A core value that drives product development and design decisions, focusing on creating tools that genuinely help merchants succeed.

• User-Centricity: A deep commitment to understanding and serving the needs of SumUp's diverse merchant base.

• Simplicity & Affordability: Designing solutions that are easy to use and accessible, reflecting SumUp's brand promise.

• Innovation & Growth: A culture that encourages continuous improvement, experimentation, and the development of new features and services.

• Diversity & Inclusion: SumUp actively promotes an inclusive environment where diverse perspectives are valued and respected, contributing to richer problem-solving.

Collaboration Style:

• Cross-functional & Agile: Expect a highly collaborative environment where designers work hand-in-hand with Product Managers and Engineers daily.

• Open Communication: A culture that values open feedback, constructive criticism, and shared learning.

• Data-Informed & Iterative: Decisions are often data-driven, and the process is iterative, with a focus on continuous improvement based on user feedback and performance metrics.

• Ownership & Accountability: Team members are encouraged to take ownership of their work and be accountable for delivering high-quality results.

📝 Enhancement Note: The emphasis on user-centricity, simplicity, and empowerment aligns directly with the goals of GTM operations – ensuring products are effective, adopted, and contribute to merchant success. This also translates to a design culture that is pragmatic and results-oriented.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Multiple Product Areas: Effectively managing design workload and maintaining high quality across distinct product lines (Bookings, Online Store) simultaneously requires strong prioritization and time management.

• Scaling the Design System: As SumUp grows, ensuring the design system remains robust, scalable, and adopted across all teams presents an ongoing challenge.

• Diverse Merchant Needs: Designing for a global user base of small businesses, each with unique needs and technical capabilities, requires deep empathy and user research.

• Rapidly Evolving Fintech Landscape: Staying abreast of industry trends and competitor offerings in the fast-paced fintech sector demands continuous learning and adaptation.

Learning & Development Opportunities:

• Advanced Design Skills: Opportunity to refine skills in complex UI design, interaction design, and visual storytelling through challenging projects.

• Product Strategy Contribution: Gain experience in influencing product roadmaps and strategies based on design insights and user research.

• Mentorship & Leadership: Develop leadership skills by mentoring junior designers and potentially leading design initiatives.

• Fintech Industry Expertise: Deepen understanding of the fintech landscape and the specific operational needs of small businesses in this sector.

• Cross-functional Teamwork: Enhance collaboration and communication skills by working closely with diverse engineering and product teams.

📝 Enhancement Note: The challenges highlight the need for an operations-minded designer who can manage complexity, drive efficiency through systems, and adapt to dynamic market conditions. The growth opportunities are substantial for someone looking to make a significant impact in a growing company.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to manage multiple complex design projects simultaneously. How did you prioritize and ensure quality across all of them?" (Focus on your process, tools, and stakeholder management.)

• "How would you approach designing a new feature for our Online Store product, considering our existing design system and target audience of small business owners?" (Demonstrate your user-centered process, system thinking, and business awareness.)

• "Tell us about a time you used user research or data to significantly change a design direction. What was the outcome?" (Highlight your analytical skills and ability to translate insights into action.)

• "How do you ensure consistency and quality when working across different product squads or with multiple engineering teams?" (Emphasize collaboration, communication, and design system governance.) Company & Culture Questions:

• "What excites you about SumUp's mission to empower small businesses?" (Show genuine interest and alignment with the company's purpose.)

• "How do you see your role contributing to the success of the 'Sell Online' team and SumUp as a whole?" (Connect your design impact to business objectives and operational efficiency.)

• "Describe your ideal collaborative environment. How do you work with Product Managers and Engineers?" (Highlight your teamwork and cross-functional communication skills.) Portfolio Presentation Strategy:

• Structure Your Narrative: For each project, clearly define the problem, your role, the process, key decisions, and the impact. Use visual aids effectively.

• Quantify Impact: Whenever possible, present metrics demonstrating the success of your designs (e.g., conversion rates, task completion times, user satisfaction scores). This is crucial for showcasing operational effectiveness.

• Showcase Visual Polish: Ensure your UI designs are clean, well-presented, and demonstrate a high level of attention to detail.

• Explain Your "Why": Articulate the rationale behind your design decisions, grounding them in user needs, business goals, and design principles.

• Be Prepared for Questions: Anticipate questions about your process, challenges, and alternative solutions you considered.

📝 Enhancement Note: Interview preparation should focus on demonstrating not just design talent but also a strategic, operations-minded approach – how design contributes to business goals, drives efficiency, and solves user problems effectively. Quantifiable results and clear process articulation are key.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit Your Application: Complete the online application form via the provided link.

• Tailor Your Resume: Highlight experience relevant to end-to-end product design, visual craft, design systems, user research, and cross-functional collaboration. Use keywords from the job description.

• Curate Your Portfolio: Ensure your portfolio is polished, showcases relevant case studies with clear problem/solution/impact narratives, and emphasizes visual quality and process. Make sure it's easily accessible (e.g., via a link).

• Prepare Your Presentation: If asked to present a case study, practice delivering a concise, impactful narrative that demonstrates your strategic thinking and design execution. Focus on quantifiable outcomes.

• Research SumUp: Understand their products, mission, values, and target market. Consider how your design expertise can directly support their goals of empowering small businesses.

⚠️ 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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