UX/UI Designer (All Genders)

STARK; Berlin; On-site; EUR 52,000 - 76,000; Full time

Job summary

STARK Defence in Berlin invites a UX/UI Designer to craft clear, mission-driven interfaces for interconnected systems in high-stakes environments. You’ll transform complex technology into intuitive, reliable software, working across mobile, desktop and wearables, with an AI-native workflow and a fast, collaborative team.

Fluent English and German language skills are required; ambitious graduates or seasoned professionals are encouraged to apply.

Qualifications

• Portfolio demonstrating UX/UI design across platforms.
• Experience designing for mission-critical, high-stakes environments.
• Ability to translate complex systems into intuitive interfaces.
• Strong collaboration and stakeholder-management skills.
• Fluency in English; German language skills (C1) preferred.

Responsibilities

• Design scalable UX/UI with wireframes, high-fidelity concepts and prototypes.
• Turn complex systems into clear, actionable interfaces for rapid use.
• Collaborate with engineers and product teams to align design decisions.
• Contribute to design systems and maintain consistency across platforms.
• Champion user-centered design in a fast-paced, agile environment.

Skills

Co-creator mentality

AI-Native

Systems of Systems design thinking

UX/UI design

Cross-platform design experience

Presentation skills

English & German language

Job description

At Stark, we forge the future of European and national security through cutting-edge, AI-driven technology and unmatched engineering precision. As a premier defence technology company, our mission is clear: to equip NATO Allies and their partners with next-generation autonomous defence platforms and advanced AI-driven software built to perform in the world’s most demanding environments.

We believe that true security stems from relentless innovation. By combining elite engineering talent with agile technology and an AI-native operational culture, Stark turns complex defence challenges into field-tested, multi-domain solutions.

Why Join Us?

• The software and systems you work on directly protect personnel and defend European and national sovereignty.
• You will work alongside industry-leading minds on autonomous systems, advanced propulsion, and secure cyber platforms.
• We foster a fast-paced, collaborative environment where bold ideas are supported by serious R&D backing.

STARK is a defence technology company building autonomous systems designed to protect democratic nations and strengthen European and allied security.

Our Product Design team does more than design screens. We design the human interfaces to complex autonomous and mission-critical systems — turning sophisticated technology into products that are clear, intuitive, and dependable when it matters most.

The Team

At the Stark Product Design Team, we don't just design screens - we design the mission and autonomous systems that keep the world safe. Help us innovate the paradigm-shifting technology that will define the future of global security.

Your Mission

We are looking for a UX/UI Designer to create clear, mission-driven software interfaces for interconnected systems. This role revolves around clarity, speed, and purpose - transforming complex technology into intuitive, reliable, and seamless interfaces where split-second clarity makes all the difference. You will design interfaces that people trust when it matters most.

Whether you are a highly motivated graduate with a portfolio that punches above your weight, or a seasoned pro looking for deeper work, we want to hear from you.

Responsibilities

• Design scalable and clean UX/UI using wireframes, high-resolution concepts and prototypes.
• Translate the complex and abstract into innovative, actionable design and constructively challenging the status quo.
• Simplify complex systems used in high stakes realworld environments.
• Own your design decisions and thrive in a high-momentum, agile environment.
• Work closely with experts, navigating diverse stakeholder perspectives to build consensus on key design decisions.

Required Skills

Co-creator mentality with excellent communication and collaboration skills.

• AI-Native, using AI tools in your daily work to design and prototype at lightning speed.
• Systems of Systems design thinking, or cross-platform (mobile, desktop, wearables) design experience.
• Strong UX/UI design skills across all aspects of the design process.
• Comfortable presenting design work with openness, tact, clarity, and without ego.
• Work examples that showcase all of the above.
• Fluent English for comfortable day to day working.
• C1 level German (other languages a plus!)

Equal Opportunity

At Stark Defence, we are committed to building a diverse, inclusive, and high-performing team. We operate in an industry where women, as well as other minority groups, are systematically under-represented. We actively encourage applications from candidates of all backgrounds and identities.

Security Clearance

Due to the nature of our work in the defence sector, candidates must be eligible to obtain and maintain the appropriate security clearance required for this position. Details will be provided during the recruitment process.