Kiefer Tech , the technology arm of Kiefer , leverages over 12 years of engineering heritage from the Green Energy sector to deliver cutting-edge AI, robotics, and enterprise solutions across Greece and the EU. We build sovereign AI infrastructure that keeps data within EU borders, respect privacy, and delivers tangible business impact. Guided by our core values: innovation, quality, and long-term client partnerships, we create enterprise-grade AI infrastructure, the first true Greek Large Language Models, and intelligent automation solutions that empower organizations to thrive. Our strategic collaboration with NVIDIA combines sustainable infrastructure expertise with world-class AI technology, creating an ecosystem that fosters innovation, strengthens Greece’s technological sovereignty, and generates real impact across industries. Join us and help build the AI-powered world of tomorrow.

About the role: We are looking for a Product Designer to support multiple product streams and help scale design output across our AI product ecosystem.

What you will do:

• Design UX/UI for multiple AI-powered products
• Work closely with Product Manager and Engineers on feature delivery
• Deliver clear, implementation-ready designs
• Improve usability and consistency across products
• Contribute to design patterns and reusable components
• Support faster product iteration cycles

What you will need:

• 4+ years of experience in Product Design / UX/UI
• Strong UX thinking and structured problem-solving
• Proficiency with Figma or similar tools
• Ability to work across multiple priorities simultaneously
• Experience collaborating with engineering teams
• Practical and delivery-oriented mindset

What is there for you:

• Work on real AI products with tangible impact
• High ownership and autonomy
• Exposure to multiple product areas
• Fast-paced environment with quick iterations
• Opportunity to grow with a scaling product team