Zertificon Solutions – Software Manufacturer since 2004. We are IT security specialists: our products encrypt business communications. More than 25% of the 100 highest-revenue companies in Germany, as well as hundreds of medium-sized enterprises across all industries, already use our Z1 encryption solutions. We have big plans and continue to grow steadily. Nearly 140 employees are already working with us in Neukölln. Join our professional, highly qualified team: take on challenges, share your knowledge, learn new things, and discover your potential!

What you’ll do

As a UI/UX Designer, you shape a compelling user experience across our Z1 product landscape for secure and compliant B2B communication — helping make technically complex systems intuitive, consistent, and accessible.

Working closely with Product Management and Engineering, you translate functional and technical requirements into clear user journeys, workflows, and high-quality interface designs.

Design intuitive interfaces for:

• technically complex B2B administration UIs
• communication solutions for end users (B2B & B2C)
• the Zertificon customer and partner portal
• You take on UI and UX design for new Z1 products — from first wireframes to high-fidelity mockups and interactive prototypes
• Collaborate closely with Product Owners and Product Managers to shape information architecture and end-to-end user flows
• Identify usability gaps and continuously improve the user experience in Z1 products
• Ensure consistent interaction patterns, accessibility, responsiveness, and high design quality across all products
• Build and evolve our design framework with reusable components and guidelines
• Provide design reviews and guidance when legacy interfaces require UX improvements

Your Skills & Experience

• Experience designing complex B2B software products
• Skilled in designing both administrative interfaces and end-user-facing web applications
• Strong proficiency in Figma (including Figma Make) and modern prototyping workflows
• Ability to translate complex technical requirements into clear, usable, and implementable design solutions
• Solid understanding of responsive design principles and accessibility standards
• Strong collaboration skills with Product Management and Development teams
• English skills at least C1

Nice to have

• Basic understanding of HTML, CSS, and JavaScript for effective collaboration with developers
• Familiarity with modern frontend frameworks such as Tailwind Plus and Vue.js
• German language skills

Our offer:

• Flexible working hours and home office possible
• **Mobility: **free Germany ticket, job bike leasing or car parking
• **Allowances **for food (e.g. Lieferando) and internet in the home office
• **Benefits in the office: **Roof terraces & green courtyard, organic fruit and drinks, parcel acceptance
• **Get-together: **pizza Friday in the office, regular team events, big summer party

Why Zertificon?

Zertificon stands for securing digital business. We develop trusted IT security solutions "Made in Germany" – built for businesses that value both protection and usability.

• Independent & committed: For over 20 years, we’ve built secure communication tools – as an owner-managed company with a clear stance
• Purpose-driven: We believe that digital communication must be secure and free. If you think Edward Snowden did the right thing as a whistleblower, we might just share the same values. As a sign of our support, we donate €1,000 to an organization that supports Edward Snowden for every new hire who mentions him in their application
• Hands-on excellence: We take on complex challenges because we can. Our in-house experts are top-tier – even external specialists often learn from us. When we want the best, we build it ourselves
• Agile by conviction: We think fast, act pragmatically, and improve continuously. No bloated processes, no "that’s just how it’s always been done.” Initiative is welcome – but of course, it will be challenged, and not every idea will make it through unchallenged
• Security that works: We build software that’s not only secure, but actually usable – not just for large enterprises with dedicated highly skilled IT teams, but also for small and mid-sized businesses that need strong security without the complexity
• Diverse & international: Our team of 130 people from 30+ countries shares one mission: making secure digital communication easily accessible to businesses of all sizes

If that resonates with you, we’d love to hear from you.

Want to know more? Please have a look at our Work at Zertificon page: https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon (https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon)

Questions?

You can reach our HR team at

jobs@zertificon.com (https://mailto:jobs@zertificon.com)

Bereitgestellt in Kooperation mit der Bundesagentur für Arbeit.