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.