Senior UX Designer (f/m/d) AI Agent Conversational Experience

📍 Job Overview

Job Title: Senior UX Designer (f/m/d) - AI Agent Conversational Experience

Company: IONOS DE

Location: Karlsruhe, Baden-Württemberg, Germany

Job Type: Full-Time

Category: User Experience (UX) Design / Product Design

Date Posted: September 9, 2026

Experience Level: 5-10 Years

Remote Status: Hybrid

🚀 Role Summary

• Shape the look, feel, and overall user experience of a next-generation AI Agent platform designed to be the digital assistant of choice for small and medium-sized businesses.

• Craft intuitive, elegant, and efficient interfaces that simplify complex business logic and enhance user satisfaction through automated workflows.

• Collaborate closely with product managers, engineers, and stakeholders to translate user needs and business requirements into compelling, user-friendly designs.

• Drive the iterative design process through rapid prototyping, high-fidelity mockups, and comprehensive usability testing to ensure optimal user engagement.

• Contribute to and maintain a robust design system, ensuring speed, consistency, and a cohesive design language across the entire product suite.

📝 Enhancement Note: This role is critical for IONOS's strategic move into AI-driven solutions for SMBs. The Senior UX Designer will be instrumental in defining the success of their new AI Agent platform by ensuring it is not only functional but also exceptionally user-friendly and engaging. The focus on "Conversational Experience" suggests a deep dive into natural language interfaces and proactive user assistance.

📈 Primary Responsibilities

• Conceptualize and Design User Journeys: Develop and refine end-to-end user journeys for the AI Agent platform, with a strong emphasis on intuitive navigation, automated task completion, and enhanced user satisfaction. This includes mapping out interaction flows for conversational interfaces.

• Rapid Prototyping and Iteration: Swiftly convert abstract ideas and detailed requirements into interactive, high-fidelity prototypes using industry-leading tools, enabling rapid iteration and validation with stakeholders and users.

• UI/UX Interface Design for Complex Applications: Design visually appealing, functional, and accessible user interfaces for a sophisticated web-based platform, ensuring consistency in design language and adherence to accessibility standards.

• Cross-Functional Collaboration and Communication: Actively partner with product management, engineering teams, and other stakeholders throughout the product development lifecycle. Provide clear, actionable design documentation, participate in sprint planning, and present design concepts effectively.

• User Research and Usability Testing: Plan and conduct comprehensive usability tests, gather qualitative and quantitative user feedback, and analyze results to inform design decisions and ensure the platform meets user needs and expectations.

• Design System Development and Governance: Contribute to the evolution and maintenance of the product's design system, ensuring its components are well-documented, scalable, and consistently applied to maintain design integrity and development efficiency.

📝 Enhancement Note: The emphasis on "rapid prototyping" and "agile development process" indicates a fast-paced environment where design decisions need to be made and validated quickly. The "cross-functional collaboration" aspect highlights the importance of strong communication skills and the ability to work effectively with technical and non-technical teams.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's or Master's degree in Human-Computer Interaction (HCI), Interaction Design, Graphic Design, Computer Science, or a related field is highly beneficial, demonstrating a foundational understanding of design principles.

Experience: Over 5 years of progressive experience in User Experience (UX) Design, User Interface (UI) Design, and Product Design, with a demonstrable track record of working on complex, modern digital products.

Required Skills:

• User Experience (UX) Design: Deep understanding of user-centered design principles, information architecture, and user journey mapping.

• User Interface (UI) Design: Proven ability to create visually appealing, intuitive, and consistent interfaces for web applications.

• Prototyping Expertise: Mastery in creating interactive prototypes, ranging from low-fidelity wireframes to high-fidelity, production-ready mockups.

• Proficiency with Leading Design Tools: Expert-level command of industry-standard UX/UI design and prototyping software such as Figma, Sketch, Adobe XD, or Canva.

• Complex Web Application Design: Demonstrated experience designing feature-rich, functional web-based applications, distinct from marketing websites.

• Agile Development Methodologies: Familiarity with agile development processes and the ability to integrate design work seamlessly into sprint cycles.

• Cross-Functional Teamwork: Strong ability to collaborate effectively with product managers, engineers, and stakeholders, translating feedback into actionable design improvements.

Preferred Skills:

• Agentic Workflow Design: Strong understanding of modern trends and principles in automation, AI, and multi-agent system workflows.

• Conversational UI/UX Design: Experience designing interfaces for chatbots, virtual assistants, or other conversational agents.

• Design System Contribution: Experience in building, maintaining, or contributing to design systems.

• User Research & Usability Testing: Experience conducting various forms of user research and usability testing to gather actionable insights.

• Data Visualization: Ability to design clear and effective data visualizations for complex information.

📝 Enhancement Note: The "over 5 years of experience" coupled with the seniority implied by "Senior UX Designer" suggests that candidates should be prepared to showcase leadership in design thinking and problem-solving, not just execution. The strong emphasis on AI and agentic workflows indicates that candidates with this specialized knowledge will have a significant advantage.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Comprehensive Case Studies: A robust portfolio is mandatory, featuring detailed case studies that showcase your expertise from initial concept and wireframing through to high-fidelity mockups and final production-ready designs.

• User Flow Design: Clear examples demonstrating your ability to map out and optimize complex user flows, particularly for web applications and potentially conversational interfaces.

• Interaction Design: Showcase examples of interactive elements and animations that enhance usability and user engagement.

• Problem/Solution Articulation: Each case study should clearly articulate the design problem, your proposed solution, your role and contribution, and the impact of your design decisions (quantifiable metrics are a strong plus).

• Tool Proficiency Demonstration: Implicitly or explicitly demonstrate proficiency with your chosen design and prototyping tools (e.g., Figma, Sketch, Adobe XD).

Process Documentation:

• Workflow Design & Optimization: Evidence of how you've mapped, analyzed, and improved existing workflows or designed new, efficient ones.

• Iterative Design Process: Showcase your approach to iterating on designs based on user feedback, data, and stakeholder input.

• Design System Implementation: Examples of how you've applied or contributed to a design system, demonstrating consistency and efficiency.

📝 Enhancement Note: For a Senior UX Designer role, the portfolio is paramount. It needs to go beyond just showing pretty screens. Candidates must demonstrate their strategic thinking, problem-solving process, and ability to drive tangible improvements through design, especially in complex application contexts like AI agents. Quantifiable results are highly valued.

💵 Compensation & Benefits

Salary Range: For a Senior UX Designer with 5-10 years of experience in Karlsruhe, Germany, the estimated annual gross salary range is typically between €65,000 and €85,000. This range can vary based on the candidate's specific experience, the depth of their AI/conversational design expertise, and negotiation.

Benefits:

• Hybrid Working Model: Offers flexibility to balance remote work with in-office collaboration.

• Trust-Based Flexible Working Hours: Provides autonomy and work-life balance.

• Subsidized Canteen & Free Drinks: On-site amenities to support employee well-being and convenience.

• Modern Office Space: A comfortable and well-equipped workspace with excellent transport connectivity in Karlsruhe.

• Employee Discounts: Access to various discounts on activities and IONOS products.

• Employee Events: Opportunities for team building and social interaction through company-sponsored events.

• Training and Development Opportunities: Access to continuous learning and skill enhancement programs.

• Health and Wellness Programs: Various health offers, including sports and health courses, promoting employee well-being.

Working Hours: The role is based on a standard full-time commitment, likely around 40 hours per week, with the flexibility offered by trust-based working hours.

📝 Enhancement Note: The salary estimate is based on market data for similar Senior UX Designer roles in Germany, specifically in tech hubs like Karlsruhe, considering the experience level and the specialized nature of AI/Conversational UX. Benefits are comprehensive and align with typical offerings for full-time employees in established tech companies in Germany.

🎯 Team & Company Context

🏢 Company Culture

Industry: IONOS operates in the Cloud Infrastructure, Cloud Services, and Hosting Services sector, serving primarily Small and Medium-sized Businesses (SMBs). This is a highly competitive and rapidly evolving industry, driven by technological innovation and increasing demand for digital solutions.

Company Size: IONOS is a large European provider with over six million customers and active presence in 18 markets. This implies a structured organization with established processes, but also a commitment to growth and innovation.

Founded: IONOS has a history rooted in the web hosting and domain registration space, evolving into a comprehensive digital services provider. This evolution suggests a culture that values adaptation and forward-thinking.

Team Structure:

• Product Development Team: The Senior UX Designer will be an integral part of a product development team focused on building the new AI Agent platform.

• Cross-Functional Collaboration: The role requires close collaboration with product managers, engineers (likely front-end and back-end developers), and potentially AI/ML specialists.

• Design Team: While not explicitly detailed, there is likely a design team or function within IONOS with whom the Senior UX Designer will interact, contribute to the design system, and share best practices.

Methodology:

• Agile Development: The product development process is described as iterative and agile, meaning design work must be adaptable and integrated into short development cycles (sprints).

• User-Centric Design: The core methodology emphasizes creating intuitive, engaging, and user-friendly experiences, driven by user testing and feedback.

• Data-Informed Design: While not explicitly stated, the focus on user journeys and AI suggests that data analysis will play a role in understanding user behavior and optimizing the platform.

Company Website: https://www.ionos.com/

📝 Enhancement Note: IONOS's focus on SMBs means the AI Agent platform needs to be accessible and provide tangible value to businesses that may not have dedicated IT departments. The "open work structures, duz-culture, and flat hierarchies" suggest a relatively informal and collaborative environment, despite the company's size.

📈 Career & Growth Analysis

Operations Career Level: This is a "Senior" level position, indicating a need for experienced professionals who can work independently, mentor junior designers, and influence design strategy. It's a key contributor role with significant ownership over the AI Agent's user experience.

Reporting Structure: The Senior UX Designer will likely report to a Head of Product, a Design Lead, or a Product Manager overseeing the AI Agent platform. They will collaborate extensively with cross-functional team members.

Operations Impact: The success of the AI Agent platform directly impacts IONOS's ability to attract and retain SMB customers seeking advanced digital solutions. A superior user experience will be a key differentiator, driving adoption, customer satisfaction, and ultimately, revenue growth for this new product line. The design choices will shape how businesses interact with AI, influencing their operational efficiency and digital transformation.

Growth Opportunities:

• Leadership in AI/Conversational Design: Opportunity to become a subject matter expert and leader in a cutting-edge field within IONOS.

• Mentorship and Team Development: Potential to mentor junior designers and contribute to building out the UX function for AI products.

• Strategic Design Influence: Opportunity to shape product strategy and roadmap through impactful design solutions.

• Broader Product Exposure: Potential to work on other aspects of IONOS's cloud and digital service offerings.

• Continuous Learning: Access to training and development resources to stay abreast of evolving AI and UX trends.

📝 Enhancement Note: The "Senior" title implies that candidates should be ready to take on leadership responsibilities, not just execute tasks. The growth opportunities are tied to IONOS's expansion into AI, positioning this role as a strategic one with potential for significant career advancement.

🌐 Work Environment

Office Type: IONOS offers a hybrid working model, allowing employees to blend remote work with time spent in the office. The office environment is described as modern and well-connected.

Office Location(s): The primary office location for this role is Karlsruhe, Baden-Württemberg, Germany, specifically at Hinterm Hauptbahnhof 3-5, 76137 Karlsruhe. This location is noted for its very good transport connections.

Workspace Context:

• Collaborative Environment: The office space is designed to foster collaboration, with an emphasis on open work structures and flat hierarchies, encouraging interaction between team members.

• Tools and Technology: While not explicitly detailed, it can be assumed that the workspace will be equipped with standard office technology, and the design team will have access to necessary software and hardware for UX/UI design.

• Team Interaction: The hybrid model and collaborative culture suggest opportunities for both focused individual work and dynamic team sessions, including sprint planning and design reviews.

Work Schedule: The role involves a standard full-time work schedule, with the benefit of trust-based flexible working hours, allowing for significant autonomy in managing one's workday.

📝 Enhancement Note: The hybrid model and flexible hours are key benefits that appeal to modern professionals seeking work-life balance. The "modern office space" and "very good transport connections" in Karlsruhe suggest a well-supported and accessible work environment.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your application, resume, and portfolio to assess suitability for the role.

• Portfolio Presentation & Discussion: A session where you will present your portfolio, highlighting key projects, your design process, and your contributions. Be prepared to discuss your experience with complex web applications, AI, and conversational design.

• Technical/Design Challenge: You may be asked to complete a design exercise or case study, either as a take-home assignment or during a live interview, to assess your problem-solving skills and design approach.

• Cross-Functional Interviews: Meetings with product managers, engineers, and potentially other stakeholders to evaluate collaboration skills, communication style, and cultural fit.

• Final Interview: A discussion with hiring managers or senior leadership to finalize the decision.

Portfolio Review Tips:

• Curate Strategically: Select 3-5 of your strongest projects that best showcase your experience in complex web applications, AI/conversational design, and your entire design process from discovery to delivery.

• Show, Don't Just Tell: For each project, clearly articulate the problem, your role, your design process, key decisions made, and the outcomes or impact. Use visuals (wireframes, mockups, user flows, prototypes) effectively.

• Highlight AI/Agentic Work: If you have experience with AI, automation, or conversational interfaces, make these projects prominent. Explain the unique challenges and solutions involved.

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

• Prepare for Questions: Anticipate questions about your design choices, how you handle feedback, your collaboration style, and your understanding of the AI Agent domain.

Challenge Preparation:

• Understand the Context: If given a design challenge, thoroughly understand the problem statement, target users, and business goals.

• Outline Your Process: Be ready to explain your approach, even if you can't complete the entire task within the given time. Focus on your thinking and methodology.

• Prioritize and Scope: Demonstrate an understanding of how to prioritize features and scope a solution within constraints.

• Communicate Clearly: Practice articulating your design decisions and rationale concisely and persuasively.

📝 Enhancement Note: The interview process is designed to assess not only design skills but also strategic thinking, collaboration capabilities, and fit within IONOS's agile and innovative environment. A strong portfolio that clearly articulates the design process and impact, with a focus on AI and complex applications, is crucial.

🛠 Tools & Technology Stack

Primary Tools:

• UX/UI Design & Prototyping: Figma, Sketch, Adobe XD are explicitly mentioned as required. Canva is also listed, suggesting a broader toolset might be acceptable or used for specific tasks. Proficiency in at least one of the primary tools is essential.

• Wireframing & Flow Mapping: Tools like Miro, Whimsical, or even features within Figma/Sketch will be used for ideation and early-stage design.

• Collaboration Tools: Likely candidates include Slack, Microsoft Teams, Jira, and Confluence for communication, project management, and documentation.

Analytics & Reporting:

• User Behavior Analytics: Tools such as Google Analytics, Mixpanel, or Amplitude might be used to understand user engagement and identify areas for improvement.

• A/B Testing Platforms: If applicable, experience with platforms for testing design variations.

CRM & Automation:

• CRM Systems: While not directly a UX tool, understanding how design impacts CRM workflows (e.g., lead generation forms, customer support interfaces) can be beneficial.

• Automation Tools: Familiarity with the concept of automation is key, given the AI Agent focus.

📝 Enhancement Note: Proficiency in Figma, Sketch, or Adobe XD is a hard requirement. The emphasis on AI and automation suggests that a candidate who understands how design integrates with these technologies will be highly valued. Experience with tools that support collaboration and agile workflows (like Jira and Miro) is also important.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A core value is creating intuitive, engaging, and user-friendly experiences. Designs must directly address user needs and solve their problems effectively.

• Innovation & Future-Forward Thinking: The development of a new AI Agent platform signifies a commitment to innovation and staying ahead in the digital services market.

• Collaboration & Partnership: IONOS emphasizes working collaboratively across teams, fostering an environment where diverse perspectives contribute to better outcomes.

• Efficiency & Automation: The focus on AI Agents and streamlined workflows highlights a value placed on efficiency and leveraging technology to automate tasks.

• Growth & Development: The company provides numerous training and development opportunities, indicating a culture that supports continuous learning and career progression.

Collaboration Style:

• Cross-Functional Integration: Expect a highly collaborative style where designers work hand-in-hand with product managers and engineers, participating actively in agile ceremonies like sprint planning and reviews.

• Open Communication: The "duz-culture" and flat hierarchies suggest an open and direct communication style, encouraging feedback exchange and constructive criticism.

• Agile Iteration: The design process is iterative, meaning collaboration involves continuous feedback loops and adaptability to changing requirements or insights.

• Shared Ownership: Teams likely share ownership of product success, with designers contributing strategically to the overall product vision.

📝 Enhancement Note: IONOS's culture appears to value a blend of innovation, customer focus, and teamwork. The emphasis on "open work structures" and "duz-culture" suggests a modern, approachable workplace where designers are empowered to contribute and collaborate openly.

⚡ Challenges & Growth Opportunities

Challenges:

• Defining a New Product Category: As this is a brand-new AI Agent platform, a primary challenge will be defining and refining the user experience for a novel technology, potentially educating users on its capabilities.

• Balancing Complexity and Simplicity: Creating an AI-driven platform that is powerful and feature-rich while remaining intuitive and easy for SMBs to use will be a constant design challenge.

• Rapid Iteration in a Fast-Paced Environment: The need to deliver quickly in an agile setting requires efficient design processes and the ability to adapt to changing priorities.

• Integrating AI/Agentic Workflows: Translating complex AI concepts and multi-agent system logic into seamless and understandable user interactions.

Learning & Development Opportunities:

• Deep Dive into AI/Conversational UX: Opportunity to become a specialist in a rapidly growing and in-demand field.

• Influence Product Strategy: The senior nature of the role allows for significant input into the product roadmap and future direction of IONOS's AI offerings.

• Mentorship of Junior Talent: Potential to guide and develop less experienced designers within the team.

• Exposure to a Large European Tech Company: Gain experience within a significant player in the European digital services market.

• Formal Training: Access to IONOS's numerous training and development programs to enhance both design and technical skills.

📝 Enhancement Note: The challenges are inherent to launching a new, innovative product in a competitive market. The growth opportunities are substantial, particularly for a designer looking to specialize in the burgeoning field of AI and conversational interfaces.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex web application you designed. What were the primary challenges, and how did your design address them?" (Focus on user flows, problem-solving, and impact.)

• "How would you approach designing a conversational interface for an AI agent that helps small businesses manage their online presence?" (Demonstrate understanding of conversational design principles, user needs for SMBs, and potential AI capabilities.)

• "What is your process for ensuring consistency and usability across a large, evolving digital product, especially concerning design systems?" (Highlight your approach to design systems, collaboration, and maintaining quality.)

• "How do you balance user needs with business goals and technical constraints when designing a new feature or product?" (Showcase your strategic thinking and ability to find pragmatic solutions.) Company & Culture Questions:

• "What excites you about IONOS's AI Agent platform and its potential for SMBs?" (Research IONOS's mission and the target market.)

• "How do you collaborate with engineers and product managers in an agile environment?" (Provide specific examples of your cross-functional collaboration style and experience with agile methodologies.)

• "Describe a time you received critical feedback on your design. How did you handle it, and what was the outcome?" (Demonstrate your receptiveness to feedback and ability to iterate constructively.) Portfolio Presentation Strategy:

• Structure for Impact: Begin with a high-level overview of IONOS and the AI Agent platform's goals. Then, dive into your selected case studies, dedicating 5-10 minutes to each.

• Tell a Story: For each project, clearly articulate the "why" (the problem), the "how" (your process and solutions), and the "what" (the outcome/impact).

• Focus on Your Role: Be precise about your contributions, especially if it was a team project.

• Visuals are Key: Use high-quality mockups, wireframes, user flows, and prototype demos to illustrate your points.

• Prepare for Deep Dives: Anticipate questions about your design decisions, alternatives considered, and the rationale behind them. Be ready to discuss your experience with AI/automation if applicable.

📝 Enhancement Note: Preparation should focus on showcasing not just design execution but also strategic thinking, problem-solving skills, and a deep understanding of user-centered design, especially within the context of complex applications and emerging AI technologies.

📌 Application Steps

To apply for this Senior UX Designer position at IONOS:

• Submit your application through the provided link on the IONOS careers portal.

• Customize Your Resume: Tailor your resume to highlight your 5+ years of experience in UX/UI design, complex web application design, and any relevant experience with AI, automation, or conversational interfaces. Use keywords from the job description.

• Refine Your Portfolio: Ensure your portfolio is up-to-date, showcases your best work (especially complex applications), clearly articulates your design process, and includes case studies demonstrating problem-solving and impact. Make your AI/agentic workflow experience prominent if applicable.

• Prepare Your Presentation: Practice presenting your portfolio, focusing on storytelling, clear articulation of your design process, and the impact of your work. Be ready to discuss your experience with Figma, Sketch, or Adobe XD.

• Research IONOS: Familiarize yourself with IONOS's offerings, its target market (SMBs), and its company culture to articulate your interest and cultural fit effectively.

⚠️ 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.