Senior Product Designer

About the company: 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 Senior Product Designer to support multiple product streams and help scale design output across the Kiefer Tech product portfolio. This role requires strong product thinking, high ownership, active use of AI tools, and the ability to turn product ideas into clear, practical designs ready for development. 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 Nice to have Experience designing AI-powered products Familiarity with LLM interfaces and AI workflows Background in enterprise or B2B product 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