Senior UX/UI Designer (m/f/d)

📍 Job Overview

Job Title: Senior UX/UI Designer (m/f/d)

Company: beyonnex.io GmbH

Location: Hamburg, Germany / Remote

Job Type: Full-Time

Category: Product Design / User Experience Operations

Date Posted: December 3, 2025

Experience Level: 5-10 Years

🚀 Role Summary

• Drive user experience (UX) and user interface (UI) design strategy for beyonnex.io GmbH's connected real estate IoT platform, focusing on intuitive and visually appealing web and mobile applications.

• Lead user research initiatives, including usability testing and feedback gathering, to inform continuous product improvement and ensure alignment with user needs.

• Foster a cohesive design language and strategy across all beyonnex products by collaborating closely with the internal UX/UI Design team.

• Bridge the gap between design and development, ensuring seamless integration of user-centered design principles into the software development lifecycle.

• Champion best practices in UX/UI design, staying abreast of industry trends, design tools, and emerging technologies to elevate the user experience of the Enterprise-IoT-Suite.

📝 Enhancement Note: While this role is primarily a UX/UI Design position, its integration within a product development team focused on IoT infrastructures and data management for real estate implies a strong operational aspect. The emphasis on integrating design into the development process, ensuring consistency across products, and leveraging user research for continuous improvement aligns with operational excellence principles in product development. Therefore, this role will be categorized under "Product Design / User Experience Operations" to reflect this functional overlap.

📈 Primary Responsibilities

• Provide expert UX consultation and strategic guidance to product owners and cross-functional product development teams, ensuring user needs are central to all design decisions.

• Design and prototype user interfaces for web and mobile applications, focusing on responsiveness, intuitiveness, visual appeal, and seamless integration with the Enterprise-IoT-Suite.

• Plan and execute comprehensive user research methodologies, including user interviews, surveys, usability testing, and heuristic evaluations, to identify pain points and opportunities for enhancement.

• Collaborate closely with software developers to translate design concepts into functional, high-fidelity interfaces, ensuring accurate implementation and a smooth development workflow.

• Work in tandem with the broader UX/UI Design team to establish and maintain a unified design system, style guides, and UX strategy across all beyonnex products, promoting consistency and brand integrity.

• Proactively identify and implement improvements to design processes, tools, and methodologies to enhance team efficiency and deliver exceptional user experiences.

• Stay current with the latest advancements in UX/UI design, interaction design, visual design, and relevant technologies, incorporating innovative approaches into the product design lifecycle.

• Contribute to the development of intuitive user flows and wireframes that map out complex IoT data management processes for the real estate sector.

📝 Enhancement Note: The original description highlights the need for UX expertise to product owners and development teams, and collaboration with developers. This suggests a role that is deeply embedded within product development cycles, requiring proactive engagement rather than reactive design. The responsibility for "continually improve our products" through research and feedback also implies an iterative, operations-driven approach to design.

🎓 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 typically expected for a senior-level role, demonstrating foundational knowledge.

Experience: A minimum of 5 years of professional experience as a UX/UI Designer, with a proven track record of successfully delivering high-quality design solutions for web and mobile applications. Experience within B2B SaaS, IoT platforms, or enterprise software environments is highly beneficial.

Required Skills:

• At least 5 years of professional experience as UX/UI Designer.

• Excellent understanding of user-centered design (UCD) principles and methodologies.

• Strong portfolio showcasing previous work on real projects, demonstrating UX/UI problem-solving and design execution.

• Strong UX research and analytics skills, including the ability to interpret data and user feedback to drive design decisions.

• Exceptional conceptual thinking and a highly independent, proactive work ethic.

• Strong problem-solving skills with the ability to think critically, creatively, and analytically.

• Proficiency in Figma for design, prototyping, and collaboration.

Preferred Skills:

• Experience in planning and leading UX workshops with cross-functional teams.

• Experience in professional software development environments and agile methodologies.

• Experience in Mobile Interaction and Visual design.

• Experience in creating and maintaining design systems and UI kits in Figma.

• Familiarity with IoT platforms and data visualization techniques.

📝 Enhancement Note: The requirement for "at least 5 years of professional experience" and "strong portfolio showcasing previous work on real projects" clearly indicates a senior-level position. The mention of "conceptual thinking and a very independent way of working" and "strong problem-solving skills" further reinforces this, suggesting the candidate will be expected to take initiative and solve complex design challenges with minimal supervision. The explicit mention of Figma proficiency, design systems, and UI kits points to specific technical requirements for this role.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A comprehensive portfolio that clearly demonstrates a minimum of 5 years of work experience in UX/UI design, featuring real-world projects with tangible outcomes.

• Case studies that highlight the problem statement, your design process (research, ideation, prototyping, testing), and the final solution, with a focus on user-centered design principles.

• Evidence of designing for both web and mobile applications, showcasing adaptability across different platforms and interaction models.

• Examples of user research conducted, including methodologies used, key findings, and how this research directly influenced design decisions and product improvements.

Process Documentation:

• Demonstrations of your ability to integrate design into development workflows, ideally with examples of collaboration with engineering teams and experience with agile development cycles.

• Evidence of participation in or leadership of UX workshops, showcasing your ability to facilitate brainstorming, gather requirements, and align stakeholders on design strategies.

• Examples of how you have used analytics and user feedback to iterate on designs and measure the success of design interventions.

• Documentation of your approach to maintaining consistency across multiple products through design systems, style guides, or component libraries.

📝 Enhancement Note: The "What we need from you" section explicitly calls for a "Strong portfolio showcasing previous work on real projects" and mentions "UX research and analytics skills are a must." This implies that the portfolio should not just be a collection of visuals but should also detail the process, research, and impact of the designs, aligning with typical operations expectations for demonstrating ROI and process effectiveness.

💵 Compensation & Benefits

Salary Range: For a Senior UX/UI Designer with 5-10 years of experience in Hamburg, Germany, the estimated annual gross salary typically ranges from €65,000 to €85,000. This estimate is based on market data for similar roles in Germany, considering the cost of living in Hamburg, and the specified experience level.

Benefits:

• Responsibility for a key product: Opportunity to own and shape the design of the new heat cost calculation tool.

• Modern hardware and cutting-edge technologies: Access to the latest tools and equipment to perform your job effectively.

• 100% remote work possibility: Flexibility to work from anywhere in Germany or Europe.

• Office in Hamburg (Hammerbrook) and co-working spaces: Options for in-person collaboration and networking.

• Space and budget for personal growth: Investment in professional development through training, workshops, and learning resources.

• Flexible working hours: Ability to manage your schedule to balance work and personal life.

• 30 days vacation: Generous annual leave allowance.

• Free coffee, tea, and water in the office: Amenities provided for office-based work.

• JobRad-Leasing: A scheme for leasing bicycles, promoting sustainable commuting.

• Employee events: Opportunities to connect with colleagues and celebrate achievements.

• Community of Practice and Knowledge Nuggets: Platforms for continuous learning and skill enhancement within the UX/UI domain.

Working Hours: The role offers flexible working hours, with an expected commitment of approximately 40 hours per week. This flexibility allows for effective management of tasks and projects while maintaining a healthy work-life balance, crucial for sustained productivity in design and operations.

📝 Enhancement Note: The raw data provides a list of benefits and indicates flexible working hours and a 40-hour work week. Salary information was not provided, necessitating an industry-standard estimation for a senior role in Germany. The benefits are detailed to highlight their value proposition for operations professionals.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology / Internet of Things (IoT) / Real Estate Technology (PropTech). beyonnex.io GmbH operates at the intersection of these sectors, providing connected solutions for climate-friendly, comfortable, and affordable buildings. Their focus on IoT infrastructure and data management for real estate positions them within a growing and innovative market.

Company Size: The company's LinkedIn data indicates a size of 51-200 employees. This "scale-up" phase suggests a dynamic environment where individual contributions have a significant impact, but established processes are also being refined. For operations professionals, this often means opportunities for process improvement and a chance to shape how things are done.

Founded: Founded in 2019, beyonnex.io GmbH is a relatively young company, which aligns with its modern, agile culture. This also implies a focus on innovation and rapid development, where design plays a critical role in shaping the user experience of their core Enterprise-IoT-Suite.

Team Structure:

• The UX/UI Design team appears to be a dedicated unit within the product and IT expert group, working closely with product owners and development teams.

• The Senior UX/UI Designer will report to the UX Lead, indicating a clear reporting line and opportunities for mentorship and guidance from a senior design leader.

Methodology:

• Data-driven decision-making is a key aspect, with emphasis on user research, analytics, and usability testing to inform design strategies and product iterations.

• Agile methodologies are likely employed, given the software development context and the need for rapid iteration and collaboration between design and engineering.

• A focus on continuous improvement is evident through the requirement to "continually improve our products" and the mention of "Community of Practice and Knowledge Nuggets" for skill enhancement.

Company Website: https://www.beyonnex.io/

📝 Enhancement Note: The company description emphasizes "connected real estate, simple products and high processing and service quality," which directly relates to operational efficiency and user experience. The company size and founding date suggest a growth-oriented environment where operational processes are likely evolving.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior-level position within the Product Design function. It signifies a high degree of autonomy, responsibility for complex design challenges, and the expectation to mentor or guide junior designers. In an operations context, this role is crucial for defining and refining design processes that ensure efficient and effective product development.

Reporting Structure: The Senior UX/UI Designer will report to the UX Lead. This structure allows for direct mentorship, strategic alignment, and feedback on design initiatives. It also implies that the UX Lead is responsible for the overall design strategy and team performance, with the Senior Designer contributing significantly to its execution.

Operations Impact: The Senior UX/UI Designer's work directly impacts the usability, adoption, and perceived value of beyonnex.io GmbH's core products, particularly the Enterprise-IoT-Suite and the new heat cost calculation tool. Effective UX/UI design leads to increased customer satisfaction, reduced support costs, and improved conversion rates, all of which are critical operational metrics for a SaaS company. By ensuring seamless integration of design with development, this role also optimizes the product development lifecycle.

Growth Opportunities:

• Specialization: Deepen expertise in IoT design, enterprise software UX, or specific areas like data visualization and interaction design for complex systems.

• Leadership: Potential to move into a Lead UX Designer role, manage a design team, or take on product management responsibilities.

• Process Improvement: Contribute to evolving and optimizing the company's design operations and product development processes.

• Skill Development: Access to a budget for personal growth, including conferences, courses, and certifications, alongside internal learning opportunities like Communities of Practice.

📝 Enhancement Note: The "Senior" title implies a level of strategic input and potential for mentorship, which are key aspects of career growth within operations-focused design roles. The impact on customer satisfaction and reduced support costs are direct operational benefits derived from excellent UX/UI.

🌐 Work Environment

Office Type: beyonnex.io GmbH offers a flexible work environment that combines 100% remote work possibilities with physical office spaces in Hamburg and co-working spaces across Europe. This hybrid approach caters to diverse working preferences, facilitating both independent focus and collaborative interaction.

Office Location(s):

• Hamburg, Germany: A physical office is available at Heidenkampsweg 40, 20097 Hamburg. This location provides a hub for in-person meetings, team events, and access to office amenities.

• Remote: The company fully supports remote work, allowing employees to work from home or any suitable location.

• Co-working Spaces: Access to co-working spaces across Europe offers further flexibility for those who prefer dedicated workspaces outside of a traditional office.

Workspace Context:

• Collaborative Environment: The hybrid model and availability of co-working spaces are designed to foster collaboration, whether through virtual tools or in-person meetups. The emphasis on "great spirit in achieving our goals" suggests a positive and supportive team dynamic.

• Operations Tools & Technology: Employees are provided with modern hardware and access to cutting-edge technologies. This implies a well-equipped digital workspace supporting design and development operations.

• Team Interaction: Opportunities for interaction with the UX/UI Design team, product owners, and developers are facilitated through regular meetings, workshops, and informal communication channels, both online and offline.

Work Schedule: Flexible working hours are a key offering, allowing team members to structure their workday in a way that optimizes productivity and personal well-being. This flexibility is essential for managing design tasks, user research, and collaborative sessions effectively, ensuring that operational tasks are completed without compromising individual needs.

📝 Enhancement Note: The detailed breakdown of remote and office options, along with the mention of co-working spaces, provides a clear picture of the work environment. The flexibility in work schedule is a critical factor for operations roles that often require deep focus and adaptable working patterns.

📄 Application & Portfolio Review Process

Interview Process:

• Application Submission: Submit complete application documents, including CV and references.

• Initial Contact: If successful, you will directly connect with the UX Lead for an introductory conversation. This allows for a focused discussion on your UX/UI expertise and alignment with the team's needs.

• Portfolio Review: Expect a detailed review of your portfolio, focusing on your design process, problem-solving skills, and impact on previous projects. Be prepared to walk through case studies that demonstrate your user-centered approach.

• Skills Assessment: Potential for a practical design exercise or a more in-depth discussion on UX research methodologies, design systems, and your proficiency with Figma. This assesses your technical skills and conceptual thinking.

• Cultural Fit: Discussions will likely assess your fit with beyonnex.io GmbH's culture, focusing on collaboration, independent working, and communication style, particularly in a hybrid/remote setting.

Portfolio Review Tips:

• Structure Your Case Studies: For each project, clearly articulate the problem, your role, the design process (research, ideation, prototyping, testing), the solutions implemented, and the quantifiable results or impact.

• Highlight Operations Impact: Emphasize how your designs improved user efficiency, reduced support load, increased conversion rates, or streamlined operational workflows within the product.

• Demonstrate Figma Proficiency: Showcase examples of complex prototypes, interactive flows, and any design systems or UI kits you've built or maintained in Figma.

• Tailor to Beyonnex: Research beyonnex.io GmbH's products and target audience. Highlight projects that align with their IoT/PropTech focus and demonstrate your understanding of enterprise software design challenges.

• Be Prepared to Discuss: Be ready to elaborate on your design decisions, the trade-offs you made, and how you incorporated user feedback and analytics.

Challenge Preparation:

• Design Exercise: If a design challenge is given, focus on understanding the problem statement thoroughly. Prioritize user needs and demonstrate a clear, logical design process. Document your assumptions and considerations.

• Presentation: Practice presenting your work concisely and effectively. Focus on storytelling and clearly articulating the value and impact of your design solutions.

• Stakeholder Communication: Be prepared to discuss how you would communicate design decisions and gather feedback from various stakeholders, including product owners, developers, and potentially management.

📝 Enhancement Note: The mention of directly connecting with the UX Lead suggests a streamlined, potentially more personal application process. The emphasis on portfolio review and discussion of design impact aligns with expectations for senior operational roles where tangible results are paramount.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: This is the core design tool for UI design, prototyping, and collaboration. Proficiency is essential, including experience with design systems and UI kits.

• Prototyping Tools: While Figma offers robust prototyping capabilities, familiarity with other tools like InVision or Adobe XD might be beneficial for broader context.

• User Research Platforms: Experience with tools for conducting user interviews, surveys, and usability testing (e.g., UserTesting.com, Maze, SurveyMonkey, Google Forms).

Analytics & Reporting:

• Web Analytics: Familiarity with tools like Google Analytics or similar platforms to understand user behavior on web applications.

• Product Analytics: Experience with tools like Mixpanel, Amplitude, or Pendo for tracking user interactions within the application and measuring feature adoption.

• Data Visualization Tools: Ability to interpret data dashboards and potentially create simple visualizations to support design insights.

CRM & Automation:

• While not a direct requirement for this UX/UI role, an understanding of how design integrates with CRM systems (like Salesforce) and marketing automation platforms can be beneficial for context within the broader GTM operations.

• Project Management Tools: Experience with tools like Jira, Asana, or Trello for managing design tasks and collaborating with development teams.

📝 Enhancement Note: The explicit mention of "Proficiency in Figma" and "Experience in creating and maintaining design systems and UI kits in Figma" makes Figma a critical tool requirement. The role's focus on user research and analytics also points to the need for familiarity with relevant platforms.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A deep commitment to understanding and advocating for the user in all design and product decisions. This translates to prioritizing user needs in workflow design and product development.

• Data-Driven Approach: Utilizing research, analytics, and user feedback to inform design and validate solutions, ensuring that design efforts are aligned with business objectives and operational efficiency.

• Collaboration & Communication: Fostering open communication and strong partnerships with product owners, developers, and other stakeholders to ensure seamless integration of design into the product lifecycle.

• Continuous Improvement: A mindset of constantly seeking ways to enhance user experiences, refine design processes, and leverage new technologies to deliver greater value.

• Ownership & Accountability: Taking responsibility for design outcomes, from concept to implementation, and demonstrating a proactive approach to problem-solving and task completion.

Collaboration Style:

• Cross-Functional Integration: Working closely with product management to define requirements, with engineering to ensure feasibility and seamless implementation, and potentially with marketing or sales for go-to-market alignment.

• Iterative Design Process: Embracing feedback loops and iterative development, where design is a continuous process rather than a one-off task.

• Knowledge Sharing: Actively participating in design discussions, sharing best practices, and contributing to the collective knowledge base through internal forums like the "Community of Practice."

📝 Enhancement Note: The company culture description mentions "great spirit in achieving our goals," "place to be yourself, aim high, take care of each other and grow without limits." These values, combined with the operational focus of the role, suggest a collaborative, growth-oriented, and high-performance environment.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Technical Constraints: Effectively translating complex IoT functionalities and enterprise requirements into simple, intuitive user interfaces within technical limitations.

• Maintaining Design Consistency: Ensuring a unified and cohesive user experience across a growing suite of products (Enterprise-IoT-Suite, heat cost calculation tool, etc.) as the company scales.

• Integrating Design in a Fast-Paced Environment: Working efficiently within agile development cycles to deliver high-quality designs without compromising speed or thoroughness.

• Bridging Remote and In-Office Collaboration: Facilitating effective design collaboration and communication across a distributed team, leveraging both digital tools and occasional in-person interactions.

Learning & Development Opportunities:

• Specialized IoT/PropTech Design: Gaining deep expertise in designing for the Internet of Things and the real estate technology sector, a rapidly evolving field.

• Design System Mastery: Becoming a key contributor to or owner of sophisticated design systems and UI kits, enhancing scalability and efficiency in product development.

• Leadership and Mentorship: Opportunities to mentor junior designers, lead design initiatives, or potentially step into a leadership role within the growing design team.

• Industry Exposure: Access to a budget for personal growth, including attending industry conferences, workshops, and pursuing certifications relevant to UX/UI and product development.

📝 Enhancement Note: The challenges are framed in the context of an operations-focused design role, emphasizing process, efficiency, and cross-functional collaboration. Growth opportunities are tied to specialization and leadership within the design operations domain.

💡 Interview Preparation

Strategy Questions:

• Design Process & Methodology: "Describe a complex UX challenge you faced in a previous role, detailing your approach, the specific user research methods you employed, and how you iterated on the design based on findings. How did you ensure your design decisions were data-informed and aligned with business goals?"

• Collaboration & Stakeholder Management: "How do you collaborate with product managers and developers to ensure design requirements are clearly understood and implemented accurately? Describe a situation where you had to negotiate design decisions with stakeholders who had differing priorities."

• Problem-Solving & Innovation: "Imagine you need to design a user interface for a new feature that visualizes real-time sensor data from smart buildings. What would be your initial approach, what key considerations would you prioritize, and how would you ensure the interface is both informative and easy to use?"

Company & Culture Questions:

• Understanding Beyonnex: "What interests you most about beyonnex.io GmbH and our mission to make buildings more climate-friendly and comfortable? How do you see your UX/UI skills contributing to our specific goals in the IoT and real estate tech space?"

• Team Dynamics & Remote Work: "How do you approach collaboration in a remote or hybrid work environment? How do you stay connected with your team and contribute to a positive team culture when not physically present?"

• Impact Measurement: "How do you measure the success of your UI/UX designs in terms of user satisfaction, adoption, or operational efficiency? Can you provide an example of how your design work led to measurable improvements?"

Portfolio Presentation Strategy:

• Storytelling: Frame each case study as a narrative, guiding the interviewer through the problem, your journey, and the impactful solution.

• Quantify Impact: Wherever possible, present metric-driven results. For example, "Reduced task completion time by X%," "Increased user engagement by Y%," or "Decreased support tickets related to feature Z by W%."

• Process Clarity: Clearly articulate your role in each project and the specific UX/UI processes you followed. Showcase your Figma skills through interactive prototypes or design system examples.

• Alignment with Beyonnex: Connect your experience and portfolio examples to the specific needs of beyonnex.io GmbH, demonstrating how you can contribute to their product vision and operational goals.

📝 Enhancement Note: The interview preparation focuses on questions that assess not only design skills but also problem-solving abilities, collaboration, and the capacity to understand and contribute to business and operational objectives. The portfolio presentation strategy emphasizes demonstrating tangible impact.

📌 Application Steps

To apply for this Senior UX/UI Designer position:

• Submit Your Application: Complete the application form on the beyonnex.jobs.personio.de portal and upload your complete application documents, including your curriculum vitae and relevant references.

• Curate Your Portfolio: Ensure your portfolio is up-to-date and prominently features case studies that demonstrate your 5+ years of UX/UI design experience, with a focus on user-centered design, your process, and quantifiable results. Tailor it to highlight relevant experience in web and mobile applications, and ideally, B2B or IoT platforms.

• Optimize Your Resume: Highlight keywords and achievements relevant to UX/UI design, user research, Figma proficiency, design systems, and collaborative development environments. Quantify your accomplishments whenever possible to showcase your impact.

• Prepare for the UX Lead Conversation: Be ready to discuss your portfolio in detail, articulate your design philosophy, and explain how your skills and experience align with beyonnex.io GmbH's mission and the specific requirements of this role. Research the company's products and values.

• Research Beyonnex: Familiarize yourself with beyonnex.io GmbH's Enterprise-IoT-Suite, their focus on connected real estate, and their company culture. Understand their market position and the challenges they aim to solve.

⚠️ 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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