UX/UI Designer

Threema GmbH
Full-timePfäffikon SZ, Switzerland

📍 Job Overview

Job Title: UX/UI Designer

Company: Threema GmbH

Location: Freienbach, Schwyz, Switzerland

Job Type: Full-Time

Category: UX/UI Design, Product Design

Date Posted: 2026-06-08T12:58:58

Experience Level: 5-10 Years

Remote Status: Hybrid

🚀 Role Summary

  • Design and conceptualize major product areas across mobile, desktop, and web platforms, driving end-to-end ownership of the user experience.

  • Develop intuitive design patterns for complex cryptographic and security flows, ensuring user adoption of critical privacy features.

  • Lead user research and discovery initiatives to translate user insights into actionable design decisions for ambiguous product problems.

  • Contribute to the evolution and governance of a cross-platform design system, establishing clear workflows for adoption and scalability.

  • Collaborate closely with Product and Engineering leads to shape product roadmaps, manage technical trade-offs, and champion design principles.

📝 Enhancement Note: This role is positioned as a senior-level contributor with significant influence on product direction, particularly concerning security and privacy features. The emphasis on "end-to-end ownership" and "cross-functional leadership" suggests a need for a designer who can operate with a high degree of autonomy and strategic foresight, bridging the gap between user needs, technical feasibility, and business objectives within a security-focused context.

📈 Primary Responsibilities

  • Define and execute the visual and conceptual direction for key product areas across Threema's mobile, desktop, and web applications.

  • Translate complex security and privacy concepts into user-friendly interfaces, ensuring high-stakes actions are transparent and foolproof.

  • Conduct user research, including interviews, surveys, and usability testing, to identify user needs and pain points.

  • Develop and maintain design documentation, including user flows, wireframes, mockups, prototypes, and detailed specifications.

  • Contribute to the strategic roadmap by identifying opportunities for product improvement and innovation based on user feedback and market trends.

  • Govern and scale the company's cross-platform design system, ensuring consistency, efficiency, and maintainability across all products.

  • Partner with Product Managers and Engineers to define feature requirements, prioritize development efforts, and ensure successful implementation of design solutions.

  • Design for emerging technologies, including AI/LLM integrations, focusing on system uncertainty, error handling, and trust signals.

  • Present design concepts and rationale to stakeholders, including executive leadership, effectively advocating for user-centered design principles.

📝 Enhancement Note: The responsibilities highlight a strategic and leadership-oriented role. The emphasis on "security & privacy UX," "emerging tech UX (AI/LLM)," and "design system governance" points towards a need for a designer who can not only execute but also strategize and influence the product's technical and user-facing architecture, especially concerning sensitive data and advanced functionalities.

🎓 Skills & Qualifications

Education: Formal education is less critical than demonstrable skills and portfolio.

Experience: 5+ years of experience as a UX, UI, or Product Designer, with a strong preference for experience with complex digital products, B2B, or SaaS applications.

Required Skills:

  • Proven experience in end-to-end product design, from conceptualization to launch across multiple platforms (mobile, desktop, web).

  • Expertise in user research methodologies and translating qualitative/quantitative data into design solutions.

  • Strong proficiency in designing intuitive user interfaces for complex security and privacy-related functionalities.

  • Demonstrated ability to lead and scale design systems, including governance and adoption strategies.

  • Excellent communication and presentation skills, with the ability to articulate design rationale to technical and non-technical stakeholders.

  • System thinking capabilities to manage complex product ecosystems and engineering constraints.

  • Fluency in both German and English (written and spoken). Preferred Skills:

  • Experience with AI/LLM integration design, focusing on user trust and system uncertainty.

  • Background in secure communication technologies or cryptography.

  • Familiarity with modern development workflows and agile methodologies.

  • Experience working in a fast-paced, growth-oriented technology company.

  • Architectural thinking and understanding of front-end development principles.

📝 Enhancement Note: The emphasis on "architectural thinking" and the explicit statement that "formal education matters less" than the portfolio and problem-solving process indicate that practical, hands-on experience and a deep understanding of design systems and complex user flows are paramount. The preference for B2B/SaaS and security-related experience aligns with Threema's core business.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

  • Demonstrate a proven track record of shipping end-to-end, multi-platform user experiences.

  • Showcase your design process, including how you tackle ambiguous problems and complex user flows.

  • Highlight architectural thinking and system design capabilities.

  • Include examples of how you've evolved or contributed to design systems.

  • Present case studies that illustrate your problem-solving approach and the impact of your design decisions. Process Documentation:

  • Clearly articulate your user research methodologies and how insights informed your design decisions.

  • Detail your approach to designing for complex security and privacy features, emphasizing user transparency and trust.

  • Illustrate your experience with cross-platform design system governance and scaling.

  • Provide examples of collaboration with engineering and product teams to balance technical trade-offs and drive roadmap decisions.

📝 Enhancement Note: The portfolio requirement is central to this application, emphasizing not just the final output but the designer's thought process, problem-solving skills, and ability to manage complexity across platforms and systems. The focus on "architectural thinking" and "system design" suggests a need for a designer who can think holistically about product architecture.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for experienced UX/UI Designers in Switzerland, with a strong emphasis on security and product ownership, the estimated annual salary range is CHF 110,000 - CHF 150,000. This range accounts for the high cost of living in Switzerland, the specific technical demands of the role (security, cryptography), and the seniority level (5+ years experience).

Benefits:

  • Flexible working hours

  • Option to work from home up to two days per week

  • Option to work from anywhere for two weeks per year

  • Option to take unpaid leave

  • Choice of hardware (macOS or Linux)

  • Public transportation discount or parking space (electric car charging available)

  • Free use of fitness room, including a fitness trainer once a month

  • Professional massage once a month

  • Internal German or English courses

  • A great coffee machine

  • Regular company events and aperitifs

  • The satisfaction of contributing to the privacy protection of millions of users

Working Hours: Full-time position, with flexible working hours. The specific number of days in the office is 3 days per week for a hybrid arrangement.

📝 Enhancement Note: The salary estimate is based on the provided location (Freienbach, Switzerland), the experience level (5+ years), and the specialized nature of the role within a security-focused tech company. Swiss salaries are generally high due to the cost of living and strong economy. The benefits package is comprehensive and reflects a modern, employee-centric approach.

🎯 Team & Company Context

🏢 Company Culture

Industry: Secure Communication Software, Technology, Privacy & Security. Threema operates in a niche but critical sector, focusing on data privacy and secure messaging, which positions it as a leader in its field.

Company Size: Threema GmbH is a growing company, likely within the 50-200 employee range based on typical tech company scaling. This size offers a balance of structure and agility, allowing for significant individual impact.

Founded: 2012. Founded in 2012, Threema has established itself as a reputable and leading provider of secure messaging solutions, indicating a stable and experienced organization.

Team Structure:

  • The UX/UI Designer will likely be part of a product team, reporting to a Head of Product or Design Lead.

  • Collaboration will be close with Product Managers, Engineers (mobile, desktop, web), and potentially QA specialists.

  • The team is described as "young, motivated... with straightforward communication," suggesting an open and direct working environment. Methodology:

  • Emphasis on user-centered design, with a strong focus on security and privacy as core design principles.

  • Agile development methodologies are implied by the collaboration with engineering and product leads on roadmaps and iterative development.

  • Design system governance suggests a structured approach to design consistency and scalability.

  • Data-driven decision-making, leveraging user research and analytics to inform design choices.

Company Website: https://new.career.threema.com

📝 Enhancement Note: Threema's focus on security and privacy is a defining characteristic that permeates its culture and product development. The company size likely means a relatively tight-knit team where individual contributions are highly visible and impactful. The "straightforward communication" aspect is typical of many European tech companies.

📈 Career & Growth Analysis

Operations Career Level: This role is a Senior UX/UI Designer position, requiring significant independent contribution and strategic input. It's beyond an entry-level or mid-level role, demanding leadership in design vision and execution for major product areas.

Reporting Structure: The designer will likely report to a Head of Product, Design Lead, or potentially a CTO, depending on the organizational structure. They will work closely with Product Managers and Engineering Leads as peers.

Operations Impact: The designer's work directly impacts user adoption of critical security features, user trust in the platform, and the overall usability of a communication tool that handles sensitive information. Their contribution is crucial for maintaining Threema's reputation and market position as a secure messenger.

Growth Opportunities:

  • Opportunity to take on more significant product ownership and strategic influence within the design and product teams.

  • Potential to lead the evolution of the design system and establish best practices for the entire organization.

  • Exposure to cutting-edge privacy and security technologies, including AI/LLM integrations, allowing for specialization.

  • Mentorship opportunities for junior designers or aspiring product designers within the company.

  • Advancement to roles like Lead UX/UI Designer, Design Manager, or Product Lead, depending on career interests and performance.

📝 Enhancement Note: The role offers significant growth potential for a designer who thrives in a challenging, security-focused environment. The ability to shape product direction and contribute to a mission-driven company focused on privacy provides unique career development opportunities beyond standard UI/UX progression.

🌐 Work Environment

Office Type: Threema GmbH offers a hybrid work environment, combining in-office collaboration with remote flexibility.

Office Location(s): The primary place of work is Pfäffikon SZ, located in the Greater Zurich Area, Switzerland. This location offers a good balance of accessibility and quality of life.

Workspace Context:

  • The office environment is likely collaborative and modern, supporting the "straightforward communication" culture.

  • Access to a fitness room and professional massage services suggests a focus on employee well-being.

  • The provision of choice in hardware (macOS or Linux) caters to designer preferences and workflow needs.

  • Opportunities for regular company events and aperitifs foster team cohesion and informal interaction.

Work Schedule: Flexible working hours are offered, allowing for better work-life integration. The hybrid model requires approximately 3 days per week in the office, facilitating in-person collaboration and team building.

📝 Enhancement Note: The hybrid model and flexible hours are standard offerings for tech roles, but the specific benefits like fitness facilities, massages, and choice of hardware indicate a company that invests in employee comfort and productivity. The location in the Greater Zurich Area is a significant draw for professionals seeking a high quality of life and access to a vibrant tech ecosystem.

📄 Application & Portfolio Review Process

Interview Process:

  • Initial Screening: A review of your CV and portfolio by the hiring team. Focus on showcasing end-to-end product design experience, architectural thinking, and security-minded solutions.

  • Portfolio Presentation & Discussion: An in-depth session where you present your portfolio, explaining your process, problem-solving approach, and design rationale for key projects. Be prepared to discuss your experience with design systems and complex user flows.

  • Technical/Behavioral Interviews: Interviews with Product Managers and Engineering Leads to assess your technical skills, system thinking, collaboration style, and cultural fit. Expect questions related to security UX, AI/LLM design, and managing technical trade-offs.

  • Leadership/Executive Interview: A final discussion, potentially with senior leadership, to evaluate your strategic thinking, vision for the product area, and alignment with Threema's mission.

Portfolio Review Tips:

  • Curate Your Best Work: Select 3-4 projects that best demonstrate your end-to-end ownership, architectural thinking, and ability to solve complex user problems, especially those involving security or privacy.

  • Showcase Your Process: For each project, clearly outline the problem, your research methodology, design iterations, solutions, and the impact of your work. Use visual aids effectively.

  • Highlight Systemic Thinking: Emphasize how your designs integrate with larger systems or design languages. Discuss your experience with design systems and how you ensure consistency and scalability.

  • Quantify Impact: Where possible, use metrics to demonstrate the success of your designs (e.g., improved adoption rates for security features, reduced user errors, enhanced user satisfaction).

  • Tailor to Threema: Briefly explain why your skills and experience are a good fit for Threema's mission and their focus on secure communication.

Challenge Preparation:

  • Prepare to discuss how you approach designing for ambiguity and complex technical constraints.

  • Be ready to articulate your design decisions and defend them with user data and logical reasoning.

  • Practice explaining how you would integrate AI/LLM features into a secure messaging app, considering user trust and potential error states.

  • Think about how you would contribute to and govern a cross-platform design system.

📝 Enhancement Note: The interview process is designed to thoroughly assess a candidate's ability to handle complex, security-focused design challenges. The portfolio review is the most critical component, requiring a deep dive into the candidate's thought process and practical experience.

🛠 Tools & Technology Stack

Primary Tools:

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

  • User Research: UserTesting.com, Optimal Workshop, Hotjar, SurveyMonkey, Google Forms.

  • Design System Management: Tools for component libraries and documentation (e.g., Storybook, Zeroheight, internal tools).

Analytics & Reporting:

  • Tools for analyzing user behavior and product performance, such as Google Analytics, Mixpanel, Amplitude, or internal analytics platforms.

  • Data visualization tools for reporting on design impact and user insights. CRM & Automation:

  • While not a direct design tool, understanding how design impacts CRM and marketing automation workflows can be beneficial. Familiarity with how user data is managed and utilized is a plus.

📝 Enhancement Note: While specific tool requirements aren't detailed, proficiency in industry-standard design and prototyping tools is a given. The emphasis on design systems and user research suggests a need for tools that support these workflows effectively. A candidate's ability to learn and adapt to Threema's specific toolset will also be important.

👥 Team Culture & Values

Operations Values:

  • Privacy & Security First: This is the core value driving all product development and design decisions. Designers must prioritize user safety and data protection above all else.

  • User-Centricity: Despite the technical complexity, the user experience remains paramount. Designs must be intuitive and accessible, even for complex security features.

  • Excellence & Quality: A commitment to high-quality design and execution, ensuring that Threema's products are robust, reliable, and visually polished.

  • Collaboration & Transparency: Open communication and teamwork are essential for navigating complex technical challenges and ensuring alignment across product and engineering.

  • Innovation: A forward-thinking approach to technology, including exploring AI/LLM integrations while maintaining core security principles.

Collaboration Style:

  • Peer-to-peer collaboration with Product and Engineering leads, fostering a partnership rather than a hierarchical relationship.

  • Cross-functional teamwork to ensure design solutions are technically feasible and meet business objectives.

  • Emphasis on clear communication of design rationale and active participation in roadmap discussions.

  • A culture that values constructive feedback and iterative improvement.

📝 Enhancement Note: The company's mission heavily influences its values. A designer joining Threema must be deeply aligned with the principles of privacy and security, viewing them as integral to the design process, not as afterthoughts.

⚡ Challenges & Growth Opportunities

Challenges:

  • Designing for Security & Privacy: Translating complex cryptographic concepts and security protocols into user-friendly, transparent, and trustworthy interfaces is a significant challenge. Users must understand the implications of their actions without being overwhelmed by technical jargon.

  • Balancing Usability with Security: Finding the sweet spot where robust security measures are implemented without compromising the ease of use for millions of diverse users.

  • Navigating Technical Constraints: Working within the limitations and specific requirements of secure communication platforms and potentially integrating new technologies like AI/LLMs responsibly.

  • Scaling Design Systems: Ensuring the design system remains effective, scalable, and consistently adopted across multiple platforms as the product evolves.

Learning & Development Opportunities:

  • Deep dive into the intricacies of secure communication technologies, cryptography, and privacy-enhancing features.

  • Opportunity to gain expertise in designing for AI/LLM integrations within a security-conscious framework.

  • Development of advanced skills in design system governance and cross-platform strategy.

  • Exposure to leadership discussions on product strategy and technical roadmapping.

  • Potential to contribute to a product with a significant global impact on user privacy.

📝 Enhancement Note: The primary challenge lies in the intersection of complex technical security requirements and intuitive user experience. This presents a unique learning curve and growth opportunity for designers looking to specialize in a highly sensitive and impactful area of technology.

💡 Interview Preparation

Strategy Questions:

  • "Describe a complex security or privacy feature you've designed. What were the challenges, your approach, and the outcome?" (Focus on your process, user research, and rationale.)

  • "How would you approach designing an AI-powered feature for a secure messenger like Threema? What are the key considerations for trust and user adoption?" (Demonstrate understanding of AI UX and security implications.)

  • "Walk us through your process for developing or scaling a design system. How do you ensure adoption and maintain consistency across teams?" (Highlight your system thinking and governance skills.)

  • "Imagine we need to simplify a core cryptographic process for our users. How would you start, and what research methods would you employ?" (Showcase your problem-solving and research capabilities.) Company & Culture Questions:

  • "Why are you interested in Threema, and what draws you to our mission of secure communication?" (Connect your personal values and career goals to Threema's mission.)

  • "How do you handle disagreements with engineers or product managers regarding design decisions?" (Illustrate your collaboration and communication skills.)

  • "How do you stay updated on the latest UX/UI trends, especially those relevant to security and privacy?" (Show your commitment to continuous learning.) Portfolio Presentation Strategy:

  • Structure for Impact: Begin with an executive summary of the project, followed by the problem statement, your role, process, key design decisions, and finally, the results/impact.

  • Focus on "Why": Clearly articulate the reasoning behind your design choices, linking them back to user needs, business goals, and technical constraints.

  • Show, Don't Just Tell: Use visuals (wireframes, mockups, prototypes, user flows) to illustrate your points effectively.

  • Be Ready for Deep Dives: Anticipate questions about specific design decisions, trade-offs, and alternative solutions you considered.

  • Highlight Collaboration: Mention how you worked with stakeholders (engineers, PMs) throughout the process.

  • Quantify Success: Wherever possible, present metrics that demonstrate the positive impact of your design.

📝 Enhancement Note: Preparation should focus on translating theoretical knowledge into practical examples, especially concerning security, privacy, and complex system design. Demonstrating a clear, repeatable process and the ability to articulate design rationale are crucial.

📌 Application Steps

To apply for this UX/UI Designer position:

  • Submit your application: Use the official "Apply" button on the Threema careers page. Applications sent via email will not be considered.

  • Tailor your CV: Highlight your 5+ years of experience in UX/UI or Product Design, emphasizing complex digital products, multi-platform experience, and any B2B/SaaS background. Use keywords from the job description such as "security UX," "design system governance," and "architectural thinking."

  • Curate your portfolio: Select 3-4 of your strongest projects that showcase end-to-end ownership, complex problem-solving, and experience with design systems. Ensure your portfolio clearly outlines your process and demonstrates your impact. Be ready to present it.

  • Prepare for interviews: Research Threema's products and mission. Practice articulating your design process, your approach to security and privacy design, and your collaborative style. Prepare specific examples for behavioral and strategy questions.

  • Review Threema's values: Understand their commitment to privacy and security, and be ready to explain how your own values align with theirs.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and industry-standard assumptions. All details should be verified directly with Threema GmbH during the application process.

Application Requirements

Requires 5+ years of experience as a UX/UI or Product Designer with a proven track record of shipping multi-platform experiences. Candidates must be fluent in both German and English and possess a strong security mindset.