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

IONOS DE
Full-timeBerlin, Germany

📍 Job Overview

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

Company: IONOS DE

Location: Berlin, Germany; Karlsruhe, Germany

Job Type: Full-time

Category: User Experience (UX) Design, Product Design

Date Posted: March 20, 2026

Experience Level: 5-10 Years

Remote Status: Hybrid

🚀 Role Summary

  • Design and refine user journeys for a new AI Agent platform, focusing on enhanced usability and automated workflows to maximize user satisfaction.

  • Rapidly create high-fidelity prototypes and mockups to accelerate the interactive and agile development process for a next-generation intelligent assistant ecosystem.

  • Develop visually appealing and interactive UI/UX interfaces that ensure consistency and accessibility across a web-based platform.

  • Collaborate closely with product managers, engineers, and stakeholders, providing clear design documentation and actively participating in sprint planning.

  • Conduct usability testing, gather user feedback, and iterate on designs to ensure optimal user experiences aligned with user behavior insights.

📝 Enhancement Note: While this role is for a UX Designer, its focus on "AI Agent Conversational Experience" and "intelligent assistant ecosystem" strongly suggests a need for understanding of user flow optimization, process automation, and data-driven design principles, which are core to Revenue and Sales Operations. The emphasis on complex web applications and collaboration with product and engineering teams highlights the importance of translating business requirements into functional and user-friendly interfaces, a common challenge in operations roles.

📈 Primary Responsibilities

  • Conceptualize and iterate on end-to-end user journeys for an AI Agent platform, focusing on intuitive interaction and efficient task completion for small to medium-sized businesses.

  • Translate complex business logic and AI functionalities into elegant, user-friendly interfaces and conversational flows.

  • Develop and maintain a comprehensive design system to ensure consistency, scalability, and a unified design language across the AI Agent platform and related IONOS products.

  • Conduct qualitative and quantitative user research, including usability testing, user interviews, and A/B testing, to validate design decisions and identify areas for improvement in conversational AI interactions.

  • Partner with product management to define product requirements and strategy, ensuring design aligns with business objectives and user needs.

  • Create detailed design documentation, including user flows, wireframes, high-fidelity mockups, and interactive prototypes, for seamless handover to engineering teams.

  • Actively participate in agile ceremonies, including sprint planning, daily stand-ups, and retrospectives, providing design expertise and ensuring design integrity throughout the development cycle.

  • Contribute to the strategic vision of the AI Agent platform by identifying opportunities for innovation and user experience enhancement.

📝 Enhancement Note: The responsibilities listed heavily lean into product development and user-facing design. For an operations professional, understanding how these design principles translate into efficient internal workflows or customer-facing operational tools is key. The emphasis on "automated workflows" and "complex business logic" directly relates to operational efficiency and process optimization.

🎓 Skills & Qualifications

Education: Bachelor's degree in Human-Computer Interaction (HCI), Design, Computer Science, or a related field, or equivalent practical experience.

Experience: Over 5 years of experience in User Experience (UX), User Interface (UI) design, and product design, with a strong focus on complex, modern digital products and rich web applications.

Required Skills:

  • Proven experience in designing complex, feature-rich, and visually appealing web-based applications beyond marketing websites.

  • Mastery of industry-leading UX/UI design and prototyping tools such as Figma, Sketch, Adobe XD, or Canva.

  • Demonstrated ability to adapt and thrive in dynamic, fast-paced work environments, consistently meeting tight deadlines for design deliverables.

  • Strong understanding of user-centered design principles, interaction design, and information architecture.

  • Excellent visual design skills with a keen eye for detail, typography, and layout.

  • Proficiency in creating comprehensive design documentation, including user flows, wireframes, and high-fidelity mockups.

  • Experience conducting user research and usability testing to inform design decisions.

Preferred Skills:

  • Insight into modern trends in automation, AI, and multi-agent system workflows.

  • Experience designing conversational interfaces or AI-driven products.

  • Familiarity with agile development methodologies and design sprints.

  • Understanding of front-end development principles and constraints.

  • Experience contributing to or maintaining design systems.

📝 Enhancement Note: For operations candidates, the "Preferred Skills" related to "Automation, AI, and Multi-agent system workflows" are highly relevant. Understanding how AI agents and automation work is directly applicable to improving internal operational processes, customer support automation, and sales enablement tools. The mention of "design systems" can be paralleled with the need for standardized operational processes and playbooks.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

  • Showcase a minimum of 3-5 complex digital product design projects that demonstrate end-to-end UX/UI design process.

  • Include case studies detailing problem definition, user research, ideation, wireframing, prototyping, UI design, and iterative improvements based on user feedback.

  • Highlight projects involving complex web applications, data visualization, or interactive dashboards, showcasing an ability to translate intricate data or logic into intuitive interfaces.

  • Demonstrate experience with AI-driven features or conversational interfaces, if applicable, detailing the design challenges and solutions.

  • Provide evidence of collaboration with engineering and product teams, illustrating how designs were translated into functional products.

Process Documentation:

  • For each project, clearly document the design process followed, including research methodologies, user testing approaches, and iteration cycles.

  • Illustrate how user feedback and data were incorporated to refine designs and improve user experience.

  • Detail the creation and application of design systems or style guides to ensure consistency.

  • Explain the rationale behind key design decisions, linking them to user needs and business objectives.

📝 Enhancement Note: Operations professionals applying for roles that involve process improvement or system implementation should view this portfolio requirement as a template. They should be prepared to present case studies that detail process analysis, system design (even if internal tools), workflow optimization, and the impact of their implemented solutions, using metrics to demonstrate ROI, similar to how a UX Designer would present their design impact.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior UX Designers in Berlin/Karlsruhe, Germany, with 5-10 years of experience, the estimated annual salary range is €65,000 - €85,000. This range can vary based on specific experience, skills, and the final negotiation.

Benefits:

  • Hybrid work model offering flexibility between home and office.

  • Trust-based working hours, allowing for adaptable schedules.

  • Subsidized canteen at select locations, providing cost-effective meal options.

  • Complimentary beverages available at the office.

  • Access to modern office spaces with excellent public transport links.

  • Diverse employee discounts for various activities and IONOS products.

  • Regular employee events, including summer and winter parties, and workshops to foster team cohesion.

  • Extensive training and development opportunities to support career growth.

  • Various health and wellness programs, such as sports and health courses.

Working Hours: Approximately 40 hours per week, with flexible working time arrangements based on trust.

📝 Enhancement Note: The salary range provided is an estimate based on typical compensation for a Senior UX Designer in Germany with the specified experience level and the cost of living in major German cities like Berlin and Karlsruhe. Actual compensation will depend on the candidate's qualifications, interview performance, and final negotiation with IONOS DE.

🎯 Team & Company Context

🏢 Company Culture

Industry: Cloud Infrastructure, Cloud Services, Hosting Services, Digitalization for SMEs.

Company Size: Large (over 10,000 employees globally, as per LinkedIn data for IONOS SE).

Founded: 1998. IONOS has a long history in providing digital services, evolving from a web hosting provider to a comprehensive cloud and digitalization partner for small and medium-sized businesses. This evolution reflects a culture of innovation and adaptation.

Team Structure:

  • The UX Design team likely operates within the Product Development or Engineering department, working closely with Product Managers, AI Engineers, and Frontend Developers.

  • Designers are expected to collaborate across various product teams, contributing to a unified user experience across IONOS's diverse service portfolio.

Methodology:

  • The company utilizes agile development methodologies, with the UX team participating in sprint planning and providing continuous design support throughout development cycles.

  • A strong emphasis is placed on user-centered design, incorporating user research and usability testing into the design process.

  • The development of a design system points to a commitment to consistency, scalability, and efficient design practices across products.

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

📝 Enhancement Note: IONOS's established presence in the cloud and hosting industry, coupled with its focus on the SME market, suggests a practical and results-oriented culture. The "duz-Kultur" (informal address) and flat hierarchies mentioned in the introductory text indicate an open and collaborative environment. For operations professionals, this translates to a company that values efficiency, scalability, and direct contribution to business growth.

📈 Career & Growth Analysis

Operations Career Level: This role is a Senior UX Designer, indicating a mid-to-senior level position with significant autonomy and responsibility for key product features. In an operations context, this would be analogous to a Senior Operations Analyst, Senior Process Improvement Specialist, or a Revenue Operations Manager, depending on the specific focus.

Reporting Structure: The Senior UX Designer will likely report to a Head of Product Design, Design Lead, or a Director of Product Management. They will work closely with Product Managers and engineering teams, often influencing product strategy and roadmap decisions.

Operations Impact: While this role is in UX Design, its impact is directly tied to the success of the AI Agent platform, which aims to be the digital assistant of choice for SMEs. A well-designed, intuitive platform will drive user adoption, satisfaction, and retention, directly contributing to revenue growth and market share. For operations, this means understanding how user experience translates into operational efficiency, customer success metrics, and scalable business processes.

Growth Opportunities:

  • Specialization: Deepen expertise in conversational AI design, user research methodologies, or design system management.

  • Leadership: Transition into a Lead UX Designer role, managing a team of designers, or move into a Product Management role.

  • Cross-functional Transfer: Leverage design thinking and user-centric approach to move into roles focused on process optimization, customer journey mapping in operations, or product strategy.

  • Mentorship: Mentor junior designers and contribute to the overall design maturity of the organization.

📝 Enhancement Note: The "Senior" title implies a level of strategic thinking and problem-solving that transcends mere task execution. Operations candidates should highlight experiences where they've analyzed complex problems, designed solutions, implemented them, and measured their impact, mirroring the career trajectory and impact expected of this Senior UX Designer role.

🌐 Work Environment

Office Type: The job description mentions "modern office spaces with very good transport connections" and a "hybrid work model." This suggests a contemporary office environment designed for collaboration and focused work, complemented by flexibility for remote work.

Office Location(s): Berlin and Karlsruhe, Germany. These are major tech hubs, offering access to a vibrant professional community.

Workspace Context:

  • The hybrid model supports a blend of in-office collaboration and remote work, allowing for flexibility in how and where work is done.

  • Modern office spaces likely feature collaborative zones, quiet areas for focused work, and access to necessary technology and tools.

  • The emphasis on cross-functional collaboration means designers will frequently interact with product managers, engineers, and other stakeholders, fostering a dynamic and communicative workplace.

Work Schedule: Flexible working hours are offered through a "trust-based working time" system, providing significant autonomy in managing one's schedule, provided core responsibilities and collaboration needs are met.

📝 Enhancement Note: For operations professionals, the hybrid model and flexible hours are increasingly standard. The key takeaway is the emphasis on collaboration within a modern, well-connected office environment, which is crucial for effective cross-functional teamwork and problem-solving.

📄 Application & Portfolio Review Process

Interview Process:

  • Initial Screening: HR or recruiter call to assess basic qualifications, cultural fit, and interest in IONOS and the role.

  • Portfolio Review & Design Challenge: Candidates present their portfolio, discussing their process, key projects, and design decisions. This is often followed by a design challenge (e.g., a take-home assignment or an in-person/virtual whiteboard exercise) to assess problem-solving skills and design thinking.

  • Hiring Manager Interview: In-depth discussion with the hiring manager about experience, skills, and approach to UX design, particularly concerning AI and complex applications.

  • Team/Cross-functional Interviews: Meetings with potential team members (product managers, engineers) to evaluate collaboration dynamics and technical understanding.

  • Final Interview: Potentially with a senior leader to discuss strategic alignment and long-term vision.

Portfolio Review Tips:

  • Storytelling: Structure your portfolio around compelling narratives for each project. Clearly articulate the problem, your role, the process you followed, the challenges encountered, your solutions, and the impact of your design.

  • Process Focus: Emphasize your design methodology, research techniques, and how you iterated based on feedback. Show, don't just tell, your design thinking.

  • Quantify Impact: Wherever possible, use metrics (e.g., improved conversion rates, reduced task completion time, increased user satisfaction scores) to demonstrate the effectiveness of your designs.

  • AI/Agent Relevance: If you have experience with AI, conversational interfaces, or automation workflows, highlight these projects prominently, explaining your specific contributions and insights.

  • Tool Proficiency: Be ready to discuss your proficiency with Figma, Sketch, Adobe XD, or Canva, and how you leverage these tools to achieve efficient and effective design outcomes.

Challenge Preparation:

  • Understand the Context: If given a take-home challenge, thoroughly research IONOS, its products (especially the AI Agent platform if details are available), and its target audience (SMEs).

  • Focus on Process: For design challenges, demonstrate your structured approach to problem-solving, even if you don't arrive at a "perfect" solution within the time limit.

  • Communicate Clearly: Practice articulating your design rationale and trade-offs concisely and effectively.

📝 Enhancement Note: Operations candidates should adapt this advice by focusing their portfolio on process improvement projects, system implementations, or strategic initiatives. Case studies should highlight problem definition, analysis, solution design (process or system), implementation, and measurable impact using operational KPIs.

🛠 Tools & Technology Stack

Primary Tools:

  • UX/UI Design & Prototyping: Figma, Sketch, Adobe XD, Canva. Proficiency in at least one is required, with Figma often being the preferred industry standard for collaborative design.

  • Design Systems: Tools and methodologies for creating and maintaining scalable design systems (e.g., Storybook, Zeroheight, or custom-built solutions).

  • Collaboration Platforms: Tools like Jira, Confluence, Slack, or Microsoft Teams for project management and team communication.

Analytics & Reporting:

  • User Analytics: Tools like Google Analytics, Mixpanel, Amplitude, or Hotjar to understand user behavior on the platform and identify areas for UX improvement.

  • A/B Testing Platforms: Tools for conducting experiments to validate design hypotheses.

CRM & Automation:

  • While not directly a UX tool, understanding CRM systems (like Salesforce, HubSpot) and automation platforms (e.g., Zapier, Make) can provide context for the business logic and workflows the AI Agent will interact with.

📝 Enhancement Note: For operations roles, the emphasis here shifts. Instead of design tools, the focus would be on CRM (Salesforce, HubSpot), Marketing Automation (Marketo, Pardot), Data Analytics/BI tools (Tableau, Power BI, Looker), ERP systems (SAP, Oracle), and project management/workflow tools (Asana, Monday.com, ServiceNow). The principle of understanding and leveraging technology to optimize processes remains the same.

👥 Team Culture & Values

Operations Values:

  • User-Centricity: A core value that drives all design decisions, ensuring that the end-user's needs and experience are paramount. This translates to understanding customer pain points and optimizing customer journeys.

  • Collaboration: Strong emphasis on working together across teams (Product, Engineering, Marketing) to achieve common goals. Open communication and shared ownership are key.

  • Innovation: A drive to explore new technologies and approaches, particularly in the AI space, to create cutting-edge solutions.

  • Efficiency: Designing for streamlined workflows and intuitive interactions that save users time and effort, reflecting a broader organizational value of operational efficiency.

  • Data-Driven Decisions: Utilizing user research and analytics to inform design choices, ensuring that decisions are based on evidence rather than assumptions.

Collaboration Style:

  • Cross-functional Integration: Designers work hand-in-hand with product managers to define requirements and engineers to ensure feasibility and optimal implementation.

  • Feedback Loops: An environment that encourages constructive feedback during design reviews, critiques, and usability testing sessions.

  • Agile Mindset: Embracing iterative development, adapting to changes, and focusing on delivering value incrementally.

📝 Enhancement Note: For operations roles, the equivalent values would include Efficiency, Scalability, Data-Driven Decision Making, Process Standardization, Stakeholder Alignment, and Continuous Improvement. The collaborative style would involve working with Sales, Marketing, Finance, and Customer Success teams.

⚡ Challenges & Growth Opportunities

Challenges:

  • Designing for AI Complexity: Translating sophisticated AI capabilities and multi-agent workflows into simple, intuitive, and trustworthy user experiences.

  • Balancing User Needs and Business Goals: Ensuring designs meet user expectations while also driving key business objectives for IONOS and its SME customers.

  • Rapid Iteration in a Fast-Paced Environment: Adapting to evolving product requirements and market demands by quickly iterating on designs.

  • Maintaining Consistency Across a Broad Product Suite: Ensuring a cohesive user experience as the AI Agent platform integrates with or complements IONOS's wider range of digital services.

Learning & Development Opportunities:

  • Specialized Training: Opportunities to attend workshops or courses focused on conversational AI design, UX research, or specific design tools.

  • Industry Conferences: Potential to attend UX and AI conferences to stay abreast of the latest trends and best practices.

  • Mentorship: Guidance from senior designers or product leaders within IONOS.

  • Exposure to Emerging Technologies: Working directly with AI and advanced platform technologies provides hands-on learning.

📝 Enhancement Note: For operations candidates, challenges might include integrating disparate systems, optimizing complex cross-functional processes, driving adoption of new operational tools, or managing large datasets for reporting and analysis. Growth opportunities lie in mastering new operational technologies, developing strategic planning skills, leading process improvement initiatives, and advancing into management roles.

💡 Interview Preparation

Strategy Questions:

  • "Describe a complex digital product you've designed. What were the key challenges, and how did you overcome them?" (Focus on process, problem-solving, and decision-making.)

  • "How do you approach designing conversational interfaces or AI-driven features? What are the unique considerations?" (Assess understanding of AI UX principles.)

  • "Walk us through a user journey you’ve designed. How did you ensure it was intuitive and efficient for the target user?" (Demonstrate user-centricity and workflow optimization.)

Company & Culture Questions:

  • "What interests you about IONOS and our AI Agent platform specifically?" (Show research and genuine interest.)

  • "How do you collaborate with product managers and engineers? Describe a time you had a design disagreement and how you resolved it." (Assess teamwork and communication skills.)

Portfolio Presentation Strategy:

  • Select Relevant Projects: Choose 2-3 projects that best showcase your skills relevant to designing complex web applications, AI/conversational experiences, or workflow optimization.

  • Structure Your Narrative: For each project, clearly outline the problem, your role, your process (research, ideation, design, testing), your solutions, and the measurable impact.

  • Highlight Collaboration: Discuss how you worked with other teams to bring your designs to life.

  • Be Prepared for Questions: Anticipate questions about your design choices, trade-offs, and how you would approach future challenges.

📝 Enhancement Note: Operations candidates should prepare for questions about process mapping, system implementation, KPI analysis, cross-functional project management, and how they've driven efficiency or revenue through operational improvements. Their portfolio presentation should focus on case studies demonstrating these skills with clear metrics.

📌 Application Steps

To apply for this UX Designer position:

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

  • Tailor Your Resume: Highlight experience with complex digital products, UX/UI design tools, user research, and any exposure to AI, automation, or conversational interfaces. Use keywords from the job description.

  • Curate Your Portfolio: Select 2-3 of your strongest projects that demonstrate your end-to-end design process, problem-solving skills, and ability to create intuitive interfaces for complex applications. Ensure your portfolio clearly articulates your role and the impact of your work.

  • Research IONOS: Familiarize yourself with IONOS's mission, its target market (SMEs), and its existing product offerings to understand how the AI Agent platform fits into their ecosystem.

  • Prepare for Design Challenges: Be ready to demonstrate your design thinking and problem-solving abilities, potentially through a take-home assignment or a live exercise.

⚠️ 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.


Application Requirements

Candidates must possess over 5 years of experience in UX/UI design, specifically with complex, modern digital products and rich web applications. Essential qualifications include mastery of leading design tools and the ability to adapt quickly in a fast-paced environment, with knowledge of agent workflows being highly valued.