Product Designer:in (m/w/d) - Tegtmeier Internet Solutions GmbH

📍 Job Overview

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

Company: Tegtmeier Internet Solutions GmbH (Hiring via SinnKontor GmbH)

Location: Hamburg, Germany

Job Type: Full-Time

Category: Product Design / UX/UI

Date Posted: 2026-08-27

Experience Level: Mid-Level (3-5 years)

Remote Status: On-site

🚀 Role Summary

• Drive the evolution of the product roadmap and translate high-level product visions into actionable product ideas.

• Design and conceptualize intuitive, user-centric interfaces for a variety of digital platforms, prioritizing AI-first development principles.

• Maintain and enhance the company's design system, ensuring consistent design quality, brand identity, and user experience across all products.

• Conduct comprehensive user research and usability testing to iteratively optimize user journeys and product effectiveness.

📝 Enhancement Note: This role is specifically for a Product Designer at Tegtmeier Internet Solutions GmbH, with SinnKontor acting as the recruitment partner. The emphasis on "AI-first thinking" and "modern software stacks" suggests a forward-thinking environment focused on innovation. The "3-5 years of professional experience" indicates a mid-level position requiring a solid foundation in design principles and practical application.

📈 Primary Responsibilities

• Develop and refine the product roadmap, aligning it with overarching business objectives and market opportunities.

• Translate product vision and strategy into detailed product ideas, features, and user stories.

• Design intuitive and engaging user interfaces (UI) and user experiences (UX) for web and potentially mobile applications.

• Create wireframes, mockups, prototypes, and high-fidelity designs to effectively communicate design concepts.

• Maintain and evolve the design system, ensuring scalability, consistency, and adherence to brand guidelines.

• Conduct user research, including interviews, surveys, and persona development, to understand user needs and pain points.

• Plan and execute usability testing sessions to gather feedback and identify areas for improvement.

• Collaborate closely with cross-functional teams, including product managers, engineers, and stakeholders, to ensure successful product development and launch.

• Stay abreast of the latest design trends, technologies, and AI advancements to inform design decisions and drive innovation.

• Advocate for the user throughout the product development lifecycle.

📝 Enhancement Note: The responsibilities clearly outline a role that bridges strategic product thinking with hands-on design execution. The mention of "AI-first thinking" and "new projects on a green field" implies significant opportunity for impact and innovation, suggesting that candidates should be prepared to articulate their experience in shaping products from their inception, especially with emerging technologies.

🎓 Skills & Qualifications

Education: Bachelor's degree in Design, Human-Computer Interaction (HCI), or a comparable field.

Experience: 3-5 years of professional experience in product design, UI/UX design, or a related role.

Required Skills:

• Proven experience in product roadmap development and translating product visions into tangible design concepts.

• Expertise in designing intuitive and user-friendly interfaces for various digital platforms.

• Strong understanding and practical experience in building and maintaining design systems.

• Proficiency in user research methodologies and usability testing to drive UX optimization.

• Experience working with cross-functional teams, demonstrating strong communication and collaboration skills.

• Demonstrated initiative and ability to work independently.

• Familiarity with Storybook for component development and management.

• Interest in developing AI-supported component libraries. Preferred Skills:

• Frontend development experience (e.g., HTML, CSS, JavaScript) is considered a plus.

• Experience with AI-driven design tools or methodologies.

• Familiarity with Agile/Scrum development processes.

• Experience in the tourism, mental health, or music industry sectors is beneficial.

📝 Enhancement Note: The requirement for 3-5 years of experience, coupled with the need to build and maintain design systems, points to a candidate who can not only execute design but also contribute to establishing and scaling design infrastructure. The optional frontend experience and specific interest in AI-supported component libraries highlight a modern, tech-forward approach to product design.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 3-5 distinct product design projects that demonstrate a clear understanding of the design process from ideation to implementation.

• Include case studies detailing the problem statement, user research conducted, design challenges faced, solutions implemented, and measurable outcomes.

• Highlight projects where you actively contributed to or led the development and maintenance of a design system.

• Present examples of UI/UX design for web applications, emphasizing intuitive navigation and engaging user interfaces.

• Demonstrate your approach to user research and usability testing, including how feedback was incorporated into design iterations. Process Documentation:

• Articulate your design process clearly, from initial concept generation and user needs analysis to prototyping, testing, and final handoff.

• Provide examples of how you have used design systems to ensure consistency and efficiency in product development.

• Detail your experience with Storybook, showcasing how you've utilized it for component documentation and collaboration.

• Explain your methodology for conducting user research and usability testing, including data collection and analysis.

📝 Enhancement Note: A strong portfolio is crucial for this role, especially given the emphasis on design systems and AI-first development. Candidates should prepare to walk through their design process, highlighting how they've leveraged user research and design systems to create impactful, user-centered products. The inclusion of Storybook experience is a specific requirement that should be clearly demonstrated.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for a Product Designer with 3-5 years of experience in Hamburg, Germany, a competitive salary range would typically fall between €55,000 and €75,000 annually. This estimate considers the cost of living in Hamburg and the demand for skilled design professionals in the German tech market.

Benefits:

• State-of-the-art office equipment and a modern workspace near the main train station.

• Opportunities for continuous learning through regular IT conferences, professional development programs, and hackathons.

• Active participation in team-building activities and events.

• On-site amenities including free drinks, fresh fruit, vegetables, and snacks.

• Financial support for public transportation (ÖPNV).

• Subsidies for lunch expenses.

• Access to the EGYM Wellpass for fitness and wellness.

Working Hours: The standard working hours are approximately 40 hours per week, aligning with full-time employment in Germany. While the role is on-site, there may be opportunities for flexibility depending on project needs and team agreements.

📝 Enhancement Note: The provided salary range is an estimate based on typical compensation for mid-level Product Designers in major German cities like Hamburg. Actual compensation will depend on the candidate's specific experience, skills, and negotiation. The benefits package is comprehensive, focusing on professional growth, well-being, and work-life balance.

🎯 Team & Company Context

🏢 Company Culture

Industry: Software Solutions, Technology, AI-driven Development. Tegtmeier Internet Solutions GmbH operates in the dynamic software development sector, with a strategic focus on leveraging AI across its product lifecycle. This industry context implies a fast-paced, innovative environment where technological adoption and creative problem-solving are paramount.

Company Size: The context of hiring via SinnKontor GmbH and the mention of "hanseatisch bodenständigem Geist" alongside "flachen Hierarchien" suggests a company that values a close-knit, collaborative team dynamic, likely mid-sized, fostering a culture of direct communication and shared ownership.

Founded: Tegtmeier Internet Solutions GmbH has been established for over 20 years, indicating a stable and experienced company with a proven track record in delivering reliable software solutions. This longevity suggests a strong foundation and a capacity for sustained growth and adaptation.

Team Structure:

• The Product Design function will likely be integrated within cross-functional product teams, working closely with product management, engineering, and potentially marketing.

• The emphasis on "flachen Hierarchien" (flat hierarchies) suggests a collaborative structure where team members have direct access to decision-makers and contribute to strategic discussions.

• Expect a team that values shared learning and collective problem-solving, fostering an environment where ideas are openly exchanged and debated. Methodology:

• The company embraces an "AI-first" approach, indicating a strong focus on data-driven decision-making and the integration of artificial intelligence into product development and features.

• Workflow planning and optimization will likely be approached with an agile mindset, emphasizing iterative development and continuous improvement.

• Automation and efficiency practices will be key, particularly in relation to the design system and component libraries, aiming to streamline the development process.

Company Website: https://sinnkontor.de

📝 Enhancement Note: The company culture is positioned as innovative and collaborative, with a strong emphasis on technical passion and growth. The "AI-first" mandate is a significant differentiator, suggesting that candidates who are enthusiastic about emerging technologies and their application in design will be well-suited. The long-standing presence of Tegtmeier Internet Solutions GmbH provides a sense of stability within this innovative framework.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned at a mid-level (3-5 years of experience) within the Product Design discipline. It requires a candidate who can independently manage design tasks, contribute to strategic product discussions, and play a key role in shaping the user experience and design system. The scope includes both creative design execution and strategic input into the product roadmap.

Reporting Structure: While not explicitly detailed, the mention of "flachen Hierarchien" suggests that the Product Designer will likely report to a Head of Product, a Lead Designer, or a Product Manager. Direct collaboration with engineering and product teams is expected, fostering a dynamic and integrated working relationship.

Operations Impact: The Product Designer will have a direct and significant impact on the success of Tegtmeier Internet Solutions GmbH's products. By designing intuitive and engaging user experiences, optimizing the product roadmap, and maintaining a robust design system, the role directly influences user adoption, satisfaction, and ultimately, business growth. The "AI-first" approach means the designer will be instrumental in defining how AI is experienced by users.

Growth Opportunities:

• Skill Advancement: Opportunities to deepen expertise in AI-driven design, advanced UX research techniques, and potentially specialized areas like accessibility or design operations.

• Leadership Potential: As the company grows and embarks on new projects, there will be potential to take on more senior design responsibilities, mentor junior designers, or lead design initiatives.

• Cross-functional Exposure: Gaining experience working on diverse projects across different industries (tourism, mental health, music) offers broad exposure and valuable learning opportunities.

• Technical Exploration: Involvement in building AI-supported component libraries provides a unique opportunity to blend design skills with emerging technology trends.

📝 Enhancement Note: The growth trajectory for this role is strong, given the company's focus on new projects and AI integration. Candidates can expect to not only refine their core design skills but also gain exposure to cutting-edge technology and strategic product development. The emphasis on flat hierarchies suggests that individual contributions are highly visible, potentially accelerating career progression.

🌐 Work Environment

Office Type: On-site. The role is based in a modern office environment located near the main train station in Hamburg, Germany. This suggests a professional and well-equipped workspace designed for collaboration and productivity.

Office Location(s): Hamburg, Germany, specifically at Burchardstr. 14, 20095 Hamburg, near the Hauptbahnhof (main train station), ensuring good accessibility via public transport.

Workspace Context:

• The workspace is described as having "best equipment," indicating access to modern hardware and software necessary for design work.

• The environment is designed to be conducive to collaboration, with opportunities for direct interaction with cross-functional teams.

• The office culture fosters innovation, "Nerdigkeit" (a passion for technology), and creativity, suggesting an atmosphere where experimentation and idea-sharing are encouraged.

Work Schedule: The standard work schedule is approximately 40 hours per week, typical for full-time employment in Germany. While the role is primarily on-site, the company's progressive culture and focus on innovation might allow for some flexibility in scheduling, particularly for deep work or collaboration sessions, subject to team agreements.

📝 Enhancement Note: The on-site requirement is clear, with a focus on a well-equipped and collaborative office space. The proximity to the Hamburg Hauptbahnhof is a significant advantage for commuters. The description of the workspace points to a dynamic and supportive environment that encourages both focused work and team interaction.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your application, resume, and portfolio to assess qualifications and experience.

• Hiring Manager/Team Interview: An in-depth discussion with the hiring manager (likely Jan Tegtmeier) and potentially other team members to evaluate your design philosophy, problem-solving skills, and cultural fit. Be prepared to discuss your approach to the responsibilities outlined.

• Portfolio Presentation/Design Challenge: You may be asked to present a case study from your portfolio or complete a design challenge that simulates real-world tasks. This will assess your practical design skills, process, and ability to articulate your design decisions.

• Final Interview: A final conversation to discuss any remaining questions, confirm details, and potentially meet with senior leadership.

Portfolio Review Tips:

• Curate Strategically: Select 3-5 of your strongest projects that best showcase your skills in UI/UX design, design systems, user research, and AI-first thinking.

• Tell a Story: For each project, clearly articulate the problem, your role, the process you followed (emphasizing research and iteration), the solutions you designed, and the impact/outcomes. Use visuals effectively.

• Highlight Design Systems: If you have experience building or maintaining design systems, dedicate specific attention to these projects, detailing the benefits and challenges.

• Showcase AI Integration: If possible, include projects that demonstrate your thinking around AI-driven features or AI-supported tools like Storybook.

• Be Prepared to Discuss: Be ready to answer detailed questions about your design choices, trade-offs you made, and how you collaborated with teams.

Challenge Preparation:

• Understand the Company: Research Tegtmeier Internet Solutions GmbH and SinnKontor GmbH. Understand their mission, values, and the types of projects they undertake.

• Focus on Process: For any design challenge, emphasize your process. How do you approach understanding the problem? What research would you do? How would you iterate on solutions?

• Articulate Rationale: Be prepared to justify every design decision you make, linking it back to user needs, business goals, or technical constraints.

• Consider AI: Think about how AI could be integrated into the problem or solution, given the company's AI-first focus.

📝 Enhancement Note: The interview process is likely to be thorough, with a strong emphasis on assessing practical design skills and strategic thinking. A well-prepared portfolio that clearly demonstrates experience with design systems and an understanding of AI-first principles will be critical. Candidates should anticipate a case study or portfolio presentation as a key part of the evaluation.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Figma, Sketch, Adobe Creative Suite (Illustrator, Photoshop), InVision, Axure (or similar prototyping tools).

• Design Systems: Proficiency with tools that support design system management, with a specific mention of Storybook for component libraries.

• User Research & Testing: UserTesting.com, Lookback, Maze, Hotjar, SurveyMonkey, or similar platforms for conducting user interviews, surveys, and usability tests.

Analytics & Reporting:

• While not explicitly listed as a primary requirement for the designer, familiarity with analytics tools like Google Analytics, Mixpanel, or Amplitude can be beneficial for understanding user behavior and informing design decisions.

• Dashboarding tools like Tableau or Power BI might be used by other teams, so understanding how design integrates with data visualization is a plus. CRM & Automation:

• Generally not a primary focus for Product Designers, but an understanding of how CRM systems (e.g., Salesforce, HubSpot) and marketing automation platforms impact the user journey can be helpful for holistic product thinking.

• Familiarity with project management tools such as Jira, Asana, or Trello is expected for collaboration within development teams.

📝 Enhancement Note: The explicit mention of Storybook as a required skill indicates a strong emphasis on component-driven design and the development of a robust design system. Candidates should be prepared to discuss their experience with Storybook and how they've used it to manage and document UI components. Figma or Sketch are generally expected as core design tools.

👥 Team Culture & Values

Operations Values:

• Innovation & Nerdiness: A deep passion for technology, continuous learning, and a drive to build cutting-edge solutions, particularly leveraging AI.

• Quality & Passion: A commitment to delivering high-quality software and a genuine enthusiasm for the work being done.

• Collaboration & Openness: A culture of working together on an equal footing, fostering open communication, and valuing diverse perspectives.

• Efficiency & Pragmatism: A "hanseatisch bodenständiger Geist" (Hanseatic grounded spirit) suggests a practical, no-nonsense approach to problem-solving, combined with a drive for efficiency.

• User-Centricity: A fundamental focus on understanding and serving user needs through thoughtful design.

Collaboration Style:

• Cross-functional Integration: Expect to work closely with product managers, software engineers, and other stakeholders in a highly collaborative environment.

• Open Dialogue: The flat hierarchy encourages direct communication, feedback exchange, and constructive debate among team members.

• Knowledge Sharing: A culture that likely promotes sharing insights, best practices, and learnings across teams, potentially through internal workshops, presentations, or informal discussions.

• Iterative Improvement: A willingness to experiment, gather feedback, and continuously refine designs and processes.

📝 Enhancement Note: The company culture emphasizes technical passion, collaboration, and a user-focused approach, all within a framework of innovation and efficiency. Candidates who thrive in environments where they can contribute ideas, work closely with diverse teams, and are excited about emerging technologies like AI will find this a very appealing culture.

⚡ Challenges & Growth Opportunities

Challenges:

• AI-First Integration: Successfully integrating AI into product features and workflows in a meaningful and user-friendly way, requiring a blend of design thinking and understanding of AI capabilities.

• Design System Evolution: Building and scaling a comprehensive design system from potentially early stages or further developing an existing one to support multiple projects and product lines.

• Balancing Innovation and Practicality: Ensuring that cutting-edge ideas and AI integrations are delivered in a way that is stable, performant, and truly beneficial to users, avoiding "feature creep" or overly complex solutions.

• Cross-functional Alignment: Effectively communicating design vision and rationale to technical teams and stakeholders with varying levels of design understanding.

Learning & Development Opportunities:

• AI & Emerging Tech: Direct involvement in AI-first projects provides unparalleled opportunities to learn about and apply AI in product design.

• Design System Mastery: Deepening expertise in creating, managing, and scaling design systems, potentially leading to specialized roles in design operations or platform design.

• Product Strategy: Contributing to product roadmaps and strategy discussions offers exposure to business-level decision-making and product lifecycle management.

• Industry Exposure: Working on projects in diverse sectors like tourism, mental health, and music broadens design experience and understanding of different user needs and market dynamics.

📝 Enhancement Note: The challenges presented are directly tied to the company's innovative approach and strategic focus on AI. These challenges also represent significant growth opportunities for designers looking to expand their skill sets in cutting-edge areas and contribute to shaping new product directions.

💡 Interview Preparation

Strategy Questions:

• "Describe your process for developing a product roadmap and how you translate high-level visions into concrete design ideas." (Preparation: Be ready to walk through a project where you've influenced product direction.)

• "How do you approach designing an AI-first product or feature? What are the unique considerations compared to traditional product design?" (Preparation: Think about user trust, explainability, data privacy, and iterative AI model integration.)

• "Walk us through a time you had to collaborate with engineers who had different perspectives on a design implementation. How did you reach a consensus?" (Preparation: Focus on communication, empathy, and finding technical solutions that meet user needs.) Company & Culture Questions:

• "What excites you about Tegtmeier Internet Solutions' focus on AI-first development and its application in sectors like tourism or mental health?" (Preparation: Research the company's stated mission and recent news. Show genuine interest.)

• "How do you see yourself contributing to our flat hierarchy and collaborative team culture?" (Preparation: Highlight your ability to take initiative, share ideas, and work effectively with others.)

• "Describe your experience with design systems. How have you ensured their adoption and maintained consistency?" (Preparation: Be ready to discuss the benefits and challenges of design systems and your specific contributions.) Portfolio Presentation Strategy:

• Structure for Impact: Start with a concise overview of the project, your role, and the key problem you solved. Then, dive into your process, highlighting user research, ideation, and iteration.

• Show, Don't Just Tell: Use high-fidelity mockups, prototypes, and clear visuals. For design system projects, show component examples and how they're used.

• Quantify Results: Whenever possible, present data or metrics that demonstrate the impact of your design decisions (e.g., improved conversion rates, reduced user errors, increased engagement).

• Focus on Rationale: Be prepared to explain why you made specific design choices, backing them up with user insights, best practices, or business objectives.

• Storybook Integration: If applicable, demonstrate how you've used Storybook to showcase components and ensure design consistency.

📝 Enhancement Note: Interview preparation should focus on demonstrating a strong understanding of the design process, a keen awareness of AI's role in product development, and the ability to articulate design decisions with clear rationale. The portfolio presentation is a critical component, so candidates should practice presenting their work concisely and effectively, highlighting their contributions and impact.

📌 Application Steps

To apply for this Product Designer position:

• Submit your application through the provided application link.

• Portfolio Customization: Tailor your portfolio to highlight projects demonstrating experience with UI/UX design, design systems, user research, and any exposure to AI-driven concepts or tools like Storybook. Ensure your case studies clearly articulate your process and impact.

• Resume Optimization: Update your resume to emphasize your 3-5 years of experience, specific skills (UI/UX, design systems, user research), and quantifiable achievements relevant to product design. Use keywords like "Product Designer," "UI/UX," "Design System," "User Research," "Storybook," and "AI-first."

• Interview Preparation: Practice articulating your design process, presenting your portfolio case studies, and preparing thoughtful answers to potential strategy and culture questions. Be ready to discuss your approach to AI-first development.

• Company Research: Thoroughly research Tegtmeier Internet Solutions GmbH and SinnKontor GmbH. Understand their mission, values, and the industries they serve to better align your application and interview responses with their objectives and culture.

⚠️ 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.