Product Designer (m/w/d)

📍 Job Overview

Job Title: Product Designer (m/w/d)

Company: FourByte GmbH

Location: Köln, Germany

Job Type: Full-Time

Category: Product Design / UX/UI

Date Posted: March 30, 2026

Experience Level: Mid-Level (2-5 years)

Remote Status: On-site

🚀 Role Summary

• Own the end-to-end UI/UX design for ProfitPath, a data-intensive sourcing platform for Amazon sellers.

• Develop user flows, information architecture, and innovative interface concepts that drive user engagement and efficiency.

• Translate and consistently apply brand identity across all digital product touchpoints.

• Collaborate directly with engineering and founders, bridging the gap between initial ideation and final UI implementation.

• Build, maintain, and scale a robust design system to ensure consistency and efficiency.

📝 Enhancement Note: While the core role is Product Design, the emphasis on "data-intensive interfaces," "complex workflows," and direct collaboration with "engineering and founders" points to a role with significant operational impact. This role requires a designer who understands how design contributes to business processes and user efficiency, aligning it closely with revenue and sales operations principles by enabling users to perform complex tasks effectively.

📈 Primary Responsibilities

• Product Ownership: Take full ownership of the UI and UX for the ProfitPath platform, ensuring a seamless and intuitive user experience for thousands of daily users.

• User Flow & Information Architecture: Design and optimize user flows, wireframes, and the overall information architecture to support complex workflows and data navigation.

• Concept Development & Prototyping: Ideate, develop, and prototype new interface concepts that solve user problems and enhance platform functionality.

• Brand Integration: Consistently translate and embed the company's brand identity into the digital product, ensuring a cohesive and professional look and feel.

• Cross-Functional Collaboration: Work in close partnership with engineering and founding teams, contributing to product strategy from initial concept through to final screen delivery.

• Design System Management: Build, maintain, and scale the company's design system, ensuring design consistency, reusability, and efficient implementation across the product.

• Data-Driven Design: Utilize user research, testing (qualitative and quantitative), and data analytics to inform design decisions and drive product improvements.

• AI Tool Integration: Actively explore and integrate AI tools into design workflows to enhance efficiency and innovation.

📝 Enhancement Note: The responsibilities highlight a hands-on approach to design, emphasizing direct impact on a live product used by a significant user base. The expectation to "own the entire UI & UX" and "build, maintain, and scale the design system" indicates a need for strategic thinking and long-term vision in addition to execution.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong portfolio demonstrating design expertise is paramount. Candidates with degrees in Design, Human-Computer Interaction, Computer Science, or related fields will be considered.

Experience: Minimum of 2-5 years of professional experience in product design, UX/UI design, or a similar role, with a proven track record of designing and shipping complex digital products.

Required Skills:

• Figma Mastery: Expert proficiency in Figma, including advanced use of Components, Auto Layout, Prototyping, and Variables for efficient and scalable design.

• UX Design: Demonstrated ability in user flow mapping, wireframing, and designing robust information architecture for complex applications.

• UI Design: Strong visual design skills, including the creation and application of visual systems, typography, color palettes, and spacing principles.

• Design Systems: Experience in building, maintaining, and scaling design systems to ensure product consistency and improve development efficiency.

• Brand Identity Translation: The ability to effectively translate brand guidelines into compelling and cohesive digital product experiences.

• Cross-Functional Collaboration: Proven experience working effectively with engineering and product management teams.

• Problem-Solving Mindset: Ability to articulate and justify design decisions with data, user feedback, or logical reasoning.

• AI Tool Proficiency: Familiarity and willingness to actively use AI tools to enhance design workflows.

Preferred Skills:

• Data-Intensive Product Experience: Prior experience designing dashboards, tables, complex filtering logic, or other data-rich interfaces.

• User Research & Testing: Experience conducting both qualitative and quantitative user research and usability testing.

• Frontend Understanding: Basic knowledge of frontend technologies such as HTML, CSS, and JavaScript frameworks like React.

• Motion & Interaction Design: Skills in creating engaging motion graphics and sophisticated interaction designs.

• E-commerce or SaaS Experience: Previous experience designing for e-commerce platforms or Software-as-a-Service (SaaS) products.

📝 Enhancement Note: The "Must-have" skills are crucial and directly tied to the core responsibilities. The "Nice-to-have" skills provide a competitive edge, particularly experience with data-intensive products and a foundational understanding of frontend technologies, which are highly relevant for a designer working closely with engineers on a complex platform. The emphasis on "designing for real users with real problems" and using "AI tools" indicates a forward-thinking and pragmatic approach expected from candidates.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Comprehensive Case Studies: Showcase 2-3 detailed case studies that highlight your process from problem identification to final solution. Each case study should demonstrate:

  • Problem Definition: Clearly articulate the user or business problem being addressed.
  • User Research & Insights: Detail any user research, testing, or data analysis conducted.
  • Design Process: Illustrate your approach to user flows, wireframing, prototyping, and UI design.
  • System Design: Explain how you approached or contributed to a design system, including component usage and scalability.
  • Collaboration: Describe your interaction with engineering and stakeholders.
  • Outcome & Impact: Quantify the results of your design solutions (e.g., increased conversion, reduced task completion time, improved user satisfaction).

• Figma Proficiency Showcase: Include examples demonstrating advanced Figma skills, such as complex component setups, auto-layout applications, and interactive prototypes.

• Data-Driven Design Examples: If possible, showcase projects that involved designing for data visualization, dashboards, or complex data manipulation.

• Brand Application: Demonstrate how you have successfully translated brand identity into digital product interfaces.

Process Documentation:

• Workflow Design: Present examples of how you have mapped and optimized user workflows for efficiency and clarity.

• System Implementation: Detail your experience in building or contributing to design systems, focusing on scalability and maintainability.

• Performance Analysis: Show how you have used metrics and user feedback to iterate on and improve designs post-launch.

📝 Enhancement Note: For a Product Designer role, especially one emphasizing "ownership" and "impact," a portfolio is critical. The emphasis on Figma mastery, design systems, and data-intensive products suggests that candidates should highlight projects where these skills were central. The expectation to "build, maintain, and scale the design system" implies a need to showcase experience in creating robust, reusable design components and patterns.

💵 Compensation & Benefits

Salary Range: Based on the provided range of €4,000 - €10,000 per month for a mid-level Product Designer in Cologne, Germany, this translates to an annual salary of €48,000 - €120,000. This range is competitive for experienced designers in a major German city, with the higher end reflecting significant ownership and direct impact on a core product.

Benefits:

• Modern Workspace: A new, comfortable office located in the heart of Sülz, Cologne.

• Direct Founder Collaboration: Close proximity and direct working relationships with the company founders, enabling swift decision-making and significant influence.

• Product Design Ownership: Genuine responsibility and autonomy over the entire product design, not just isolated features.

• High-Impact Role: Your design work will be utilized daily by thousands of sellers, providing immediate and tangible impact.

• Generous Vacation: 30 days of paid vacation per year.

• Top-Tier Equipment: Provision of the latest MacBook Pro and any other necessary equipment.

• Remote Work Budget: A €1,200 budget for remote working setup and expenses.

• Health & Wellness: Urban Sports membership for fitness and well-being.

• Flexible Work Options: Co-working space membership for alternative work environments.

• Team Engagement: Regular team retreats twice a year to foster collaboration and team spirit.

• AI-Forward Culture: Access to and integration of AI tools within the daily work environment.

Working Hours: The role implies a standard full-time commitment, likely around 40 hours per week, with flexibility afforded by the remote work budget and the nature of a tech-focused startup environment.

📝 Enhancement Note: The salary range is broad, likely indicating that compensation will be highly dependent on the candidate's specific experience, portfolio strength, and demonstrated ability to meet the "must-have" qualifications, especially Figma mastery and design system experience. The benefits package is comprehensive, with a strong emphasis on employee well-being, professional development, and a collaborative work environment. The "1,200 € Remote-Working-Budget" is particularly interesting for an on-site role, suggesting flexibility or support for hybrid arrangements or home office setup.

🎯 Team & Company Context

🏢 Company Culture

Industry: E-commerce Technology / SaaS. ProfitPath operates within the rapidly evolving e-commerce landscape, specifically catering to Amazon sellers by providing a crucial sourcing platform. This industry demands agility, data-driven decision-making, and continuous innovation to stay ahead of market trends and seller needs.

Company Size: While not explicitly stated, the description suggests a growing startup environment with direct founder involvement and a relatively small, agile team. This implies a culture of rapid iteration, flat hierarchies, and a high degree of individual responsibility.

Founded: The company's founding date is not provided, but the context points to a relatively young, dynamic organization focused on disrupting the Amazon seller market.

Team Structure:

• Lean & Agile: Expect a small, multidisciplinary team where collaboration is key. The Product Designer will work closely with founders and engineers.

• Cross-Functional Collaboration: The emphasis on direct collaboration between design, engineering, and founders indicates a highly integrated working model.

• Ownership & Autonomy: The culture likely fosters a strong sense of ownership over individual responsibilities and product areas.

Methodology:

• Data-Driven: Decisions are informed by data, user feedback, and logical reasoning, not just aesthetic preferences.

• User-Centric: The primary focus is on solving real problems for actual users, prioritizing utility over purely visual appeal ("not for Dribbble").

• Iterative Development: The startup environment suggests a process of continuous improvement, rapid prototyping, and iterative design based on feedback.

• AI Integration: A forward-thinking approach that embraces AI tools to enhance productivity and creative processes.

Company Website: https://profitpath.com

📝 Enhancement Note: The company culture appears to be fast-paced, collaborative, and focused on tangible results. The emphasis on "data-intensive interfaces" and "complex workflows" suggests that designers will be challenged with intricate problems, requiring a blend of user empathy and technical understanding. The direct collaboration with founders is a significant cultural aspect, offering high visibility and influence.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Mid-Level Product Designer (2-5 years of experience). The "ownership" aspect, however, suggests potential for growth into a Senior Product Designer or Design Lead role within a few years, especially if the company scales and the design function expands. The role demands not just execution but also strategic input into product direction and design system development.

Reporting Structure: The designer will report directly to one of the founders or a Head of Product/Engineering, depending on the internal structure. The emphasis on "direct collaboration with the founders" suggests a very close working relationship, bypassing some traditional hierarchical layers.

Operations Impact: While not a traditional "operations" role, the Product Designer's work has a direct and significant impact on operational efficiency for Amazon sellers. By designing intuitive interfaces and streamlining complex workflows, this role directly contributes to how users manage their businesses, potentially impacting their revenue, time savings, and overall operational success on Amazon. The design is not merely cosmetic; it is integral to the platform's functionality and usability.

Growth Opportunities:

• Design System Leadership: Opportunity to build and lead the development of a comprehensive design system from its early stages, a highly valuable skill and career differentiator.

• Product Strategy Influence: Direct access to founders provides a unique opportunity to influence product strategy and roadmap based on design insights and user needs.

• Specialization: Potential to deepen expertise in designing for data-intensive applications, e-commerce, or SaaS products.

• Mentorship: As the company grows, opportunities for mentoring junior designers may arise.

• Skill Expansion: Continuous learning encouraged, with potential to explore areas like user research, interaction design, and leveraging AI in design.

📝 Enhancement Note: This role offers significant growth potential beyond typical design positions due to the startup environment and the critical nature of the product. The ability to shape the design system and directly influence product strategy are key differentiators for career advancement. The "operations impact" is framed through the lens of enabling user efficiency and business success on the platform.

🌐 Work Environment

Office Type: The company offers a "nagelneues cozy Office im Herzen von Sülz, Köln" (brand new cozy office in the heart of Sülz, Cologne). This suggests a modern, comfortable, and well-equipped workspace designed to foster collaboration and productivity.

Office Location(s): The primary office is located in Cologne, Germany, specifically in the Sülz district, known for its vibrant atmosphere and good accessibility. The inclusion of a "Co-Working Space membership" suggests flexibility for working outside the main office when needed.

Workspace Context:

• Collaborative Hub: The office environment is designed for direct interaction, facilitating close collaboration between the designer, engineers, and founders.

• State-of-the-Art Tools: Access to the latest equipment, including a MacBook Pro, ensuring designers have the necessary tools to perform at their best.

• Dynamic Atmosphere: As a startup, the environment is likely energetic, fast-paced, and conducive to innovation.

Work Schedule: While a full-time position is implied, the provision of a remote work budget and co-working space membership suggests a degree of flexibility in how and where work is performed, complementing the on-site requirement. Standard working hours are expected, but the culture may support flexible arrangements for focused work.

📝 Enhancement Note: The on-site requirement is balanced by a comfortable office environment and some flexibility options. The emphasis on a "cozy" and "new" office suggests a commitment to employee comfort and a positive working atmosphere. The combination of an office hub and remote work budget indicates a modern approach to work-life integration.

📄 Application & Portfolio Review Process

Interview Process:

1. Application Submission & Portfolio Review: Initial screening will focus on your resume and, critically, your portfolio. Ensure your portfolio clearly demonstrates the required skills and aligns with the job description's emphasis on data-intensive design, design systems, and user-centricity.

2. Hiring Manager/Founder Call: A preliminary conversation to assess cultural fit, discuss your experience in detail, and understand your motivations. Be prepared to articulate your design philosophy and approach to problem-solving.

3. Design Challenge/Case Study Presentation: You may be asked to present a case study from your portfolio in depth or complete a small design exercise. Focus on explaining your process, the rationale behind your decisions, and the impact of your work.

4. Team/Founder Interviews: Further discussions with founders and potentially engineering leads to evaluate your technical skills, collaboration style, and strategic thinking.

Portfolio Review Tips:

• Prioritize Relevance: Showcase projects that best align with ProfitPath's needs: data-heavy interfaces, complex workflows, design systems, and SaaS/e-commerce products.

• Tell a Story: For each case study, clearly outline the problem, your process, your specific contributions, the challenges faced, and the measurable outcomes. Use visuals effectively to illustrate your journey.

• Highlight Figma & Design Systems: Explicitly demonstrate your expertise in Figma's advanced features and your experience in building or contributing to design systems.

• Quantify Impact: Whenever possible, use data and metrics to demonstrate the success of your designs. This is crucial for a data-driven company.

• Showcase Brand Translation: Include examples of how you've applied brand identity effectively in digital products.

Challenge Preparation:

• Understand the Product: Research ProfitPath and its target audience (Amazon sellers). Understand the core problems they face and how a sourcing platform can help.

• Think Systemically: Be prepared to discuss how your design decisions fit into a larger system and contribute to scalability and maintainability.

• Articulate Your 'Why': Be ready to defend your design choices with clear logic, user insights, or data.

• Embrace AI: Be ready to discuss how you currently use or would integrate AI tools into your design process.

📝 Enhancement Note: The application process emphasizes a strong portfolio and the ability to articulate design strategy and impact. Candidates should prepare to dive deep into their past projects, explaining not just what they designed but why and how it achieved specific results, particularly in data-driven contexts.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: This is the core design tool, with advanced proficiency required for components, auto layout, prototyping, and variables.

• Prototyping Tools: Figma's built-in prototyping capabilities are expected, potentially supplemented by other tools if needed for specific interactions.

Analytics & Reporting:

• While not explicitly listed as a designer's responsibility, familiarity with analytics tools (e.g., Google Analytics, Mixpanel, Amplitude) used to track user behavior and product performance would be beneficial for informing design decisions.

CRM & Automation:

• Not directly applicable to the designer's primary toolset, but understanding how CRM and automation platforms (like Salesforce, HubSpot, etc.) integrate with user-facing applications can provide context for user journeys and business processes.

📝 Enhancement Note: Figma is the absolute non-negotiable tool for this role. Candidates should be prepared to showcase extensive knowledge and practical application of its advanced features. While not explicitly required, a basic understanding of how user behavior is tracked and analyzed will be highly advantageous for making data-informed design decisions.

👥 Team Culture & Values

Operations Values:

• User-Centricity: Designing for real users with real problems is paramount. Solutions must be practical and effective.

• Data-Driven Decision Making: Design choices are backed by data, user feedback, or logical reasoning, not subjective opinions.

• Efficiency & Scalability: Emphasis on building robust design systems and workflows that are efficient to implement and scale.

• Collaboration & Ownership: A culture where individuals take ownership of their work and collaborate effectively across disciplines.

• Continuous Learning & Innovation: Embracing new tools (like AI), patterns, and inspiration to constantly improve design workflows and product outcomes.

Collaboration Style:

• Direct & Integrated: Close, hands-on collaboration with founders and engineering, characterized by short communication lines and rapid feedback loops.

• Transparent & Open: Design decisions are openly discussed and justified, with a willingness to receive and provide constructive feedback.

• Agile & Iterative: Working in an agile manner, adapting to feedback and iterating quickly to deliver optimal solutions.

📝 Enhancement Note: The values reflect a pragmatic, results-oriented, and collaborative environment. The "not for Dribbble" mindset is a strong indicator that practical application and user value are prioritized over purely aesthetic trends. The embrace of AI suggests a forward-thinking team eager to leverage technology.

⚡ Challenges & Growth Opportunities

Challenges:

• Designing for Complexity: ProfitPath deals with "data-intensive interfaces" and "complex workflows," requiring sophisticated design solutions that balance usability with powerful functionality.

• Scaling a Design System: Building and scaling a design system from scratch or early stages in a fast-growing startup presents unique challenges in maintaining consistency and adaptability.

• Balancing Brand and Functionality: Effectively translating a brand identity into a highly functional, data-driven platform requires careful consideration of both aesthetics and usability.

• Rapid Iteration Environment: The startup pace demands quick turnaround times and the ability to adapt designs based on frequent feedback and evolving business needs.

Learning & Development Opportunities:

• Design System Mastery: Opportunity to become a leader in design system architecture and implementation.

• Product Strategy Acumen: Gaining deep insights into product strategy and business operations through direct collaboration with founders.

• Data-Driven Design Expertise: Enhancing skills in leveraging user data and analytics to drive design decisions.

• AI in Design Exploration: Opportunity to experiment with and integrate cutting-edge AI tools into the design workflow.

• Cross-Functional Skill Development: Exposure to engineering processes and business strategy, providing a holistic understanding of product development.

📝 Enhancement Note: The primary challenges stem from the complexity of the product and the dynamic nature of a startup. However, these challenges are directly linked to significant growth opportunities, particularly in areas like design systems and product strategy, making this role attractive for ambitious designers.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to design a complex, data-intensive interface. What were the key challenges, and how did you ensure usability?" (Focus on your process, data visualization strategies, and user testing methods.)

• "How would you approach building or scaling a design system for a product like ProfitPath? What are the key components and considerations?" (Emphasize your understanding of design system principles, scalability, and maintenance.)

Company & Culture Questions:

• "What interests you about ProfitPath and our mission to help Amazon sellers?" (Showcase your research into the company and the e-commerce/Amazon seller market.)

• "How do you see your role contributing to our data-driven and AI-integrated culture?" (Express your enthusiasm for using data and AI in your design process.)

Portfolio Presentation Strategy:

• Structure Your Narrative: For each case study, clearly define the problem, your role, your process (research, ideation, design, testing), your solutions, and the measurable outcomes.

• Quantify Impact: Be ready to discuss specific metrics and the ROI of your design work.

• Demonstrate Figma Expertise: Be prepared to show specific examples of your advanced Figma skills, such as complex component states, auto layout in action, or interactive prototyping features.

• Explain Your 'Why': Clearly articulate the rationale behind your design choices, linking them back to user needs, business goals, or data insights.

• Be Ready for Q&A: Anticipate questions about your design process, tool choices, and how you handle feedback and challenges.

📝 Enhancement Note: Interview preparation should focus on demonstrating a deep understanding of the product's context (Amazon sellers, data-intensive platform), proficiency in core design tools (Figma), and a strategic, data-informed approach to design. The ability to articulate impact and collaborate effectively will be key.

📌 Application Steps

To apply for this Product Designer position:

• Submit your application through the provided link on join.com.

• Tailor Your Resume: Highlight experience in UI/UX design, Figma mastery, design systems, and any work on data-intensive or SaaS products. Quantify achievements where possible.

• Curate Your Portfolio: Ensure your portfolio prominently features case studies demonstrating your process for complex UI/UX challenges, advanced Figma skills, and experience with design systems. Prioritize projects that show measurable impact.

• Prepare Your Presentation: Be ready to walk through 1-2 key portfolio pieces, explaining your process, decisions, and outcomes in detail. Practice articulating your contributions and the impact of your work.

• Research ProfitPath: Understand the company's mission, target users (Amazon sellers), and the competitive landscape. Familiarize yourself with their current product if possible.

⚠️ 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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