Senior Product Designer

Senior Product Designer We are seeking a Senior Product Designer who transforms user research, analytics and competitor insights into intuitive, visually polished digital experiences. Senior Product Designer Location: Belgrade, Serbia About the Role We are seeking a Senior Product Designer who transforms user research, analytics and competitor insights into intuitive, visually polished digital experiences. You will work closely with Product, Engineering and Design teams to turn data into decisions, ensuring every design choice is evidence-based, measurable and impactful. You will also lead the evolution of our design system, driving consistency, scalability and efficiency across products—all informed by real-world insights. Key Responsibilities Conduct user research, usability testing and data analysis to guide design decisions Analyse competitor products and market trends to inform UX strategy Translate qualitative and quantitative insights into clear user flows, interactions and high-fidelity UI Create accessible, polished interfaces with attention to hierarchy, typography, spacing and detail Build and evolve scalable, insight-driven design systems Responsible for regular presentations and updates to stakeholders and the wider business Collaborate with cross-functional teams to ensure designs are practical, elegant and evidence-based Continuously iterate and refine designs based on user feedback, user testing, analytics, stakeholder feedback and market insights Skills & Experience Proven experience designing digital products end-to-end using a research and data-driven approach Strong skills in user research, competitor analysis and translating insights into design Expertise in interaction design, usability principles and evidence-based decision-making Experience working in agile, cross-functional product teams Exceptional UI design skills with a strong understanding of typography, layout, hierarchy and accessibility Experience building or contributing to scalable design systems Expert in Figma, confident presenting research-backed design decisions to stakeholders What Success Looks Like Products that are usable, elegant and grounded in research Transformative design that resonates with existing customers and appeals to new audiences Design decisions informed by data, user insights and competitor analysis A cohesive, scalable design system adopted across the product suite Cross-functional teams aligned and empowered through insight-driven design Portfolio Expectations End-to-end product design demonstrating research- and insight-driven UX High-quality UI design informed by data Examples of design systems, reusable components or scalable UI work Evidence of collaboration and influence across product and engineering teams Locations Beograd Remote status Hybrid Employment type Full-time About Greencastle Digital Welcome to Greencastle Digital – where technology meets innovation in the exciting world of betting and gaming. Based in Belgrade, Serbia, we bring together talented people from all areas of digital tech, product development, customer experience, and marketing to create cutting-edge solutions. At Greencastle Digital, it’s not just about building great technology – it’s about shaping the future of gaming and creating unforgettable experiences for our global players and partners. Whether you’re working on groundbreaking tech, designing immersive games, or crafting customer-first solutions, you’ll be part of a dynamic, collaborative team where creativity and fresh ideas are always welcome. Founded in 2024 Coworkers 75