
About this role
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!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.
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
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!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.
- You take on UI and UX design for new Z1 products — from first wireframes to high-fidelity mockups and interactive prototypes
- Design intuitive interfaces for
- technically complex B2B administration UIs
- communication solutions for end users (B2B & B2C)
- the Zertificon customer and partner portal
- 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
- 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
- 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
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