Christophe Cuello

Creative and UI & UX Manager at Syncspert Ltd

Architected and scaled a complex, company-wide design system that reorganized the internal infrastructure, streamlining workflows and enhancing overall operational efficiency. Led user research, flows, and UX architecture to solve high-impact product challenges across B2B2C and B2C platforms. Drove the full end-to-end design lifecycle—from discovery and strategic planning to high-fidelity execution and delivery—collaborating directly with founders, product, and engineering to maintain a fast and smart shipping cadence without sacrificing quality. A versatile hands-on contributor spanning product strategy, branding, UI, and iterative UX to ensure seamless cross-functional alignment.

Senior Product Designer at Tweed

Led user experience research and design across mobile and web projects. Planned and conducted user research using varied methodologies (usability testing, interviews, surveys, and more). Created user-centric deliverables such as personas, user flows, wireframes, interactive prototypes and design specs. Worked closely with engineers, project managers and founders. Designed and implemented product strategies and plans to support growth and reliability.

Design Team Lead at Lucky Lascar Ltd

Spearheaded A/B testing frameworks and data-driven iterations that improved player retention and monetization. Defined and executed visual identity and business strategy for multiple mobile titles, ensuring brand consistency across global markets. Orchestrated comprehensive user research and usability testing sessions to translate player feedback into actionable design specs and wireframes.

Senior Product Designer - UX/UI Designer at Ruby74

Performed end-to-end product design across mobile and web, including user research, competitive analysis, personas, journeys, sketches, wireframes, prototypes, and design specs. Held full design responsibility for all company products and mentored a team of six designers.

UX/UI Designer at New Place Media

Collaborated with R&D, product management, and business stakeholders from project conception to launch. Owned accessible UI and established style guides and interactions. Collaborated cross-functionally to design data gathering tools. Paired with engineers in iterative, agile environment to oversee the build process.

Product Designer at FinTech

Directed end-to-end product design in a fintech context, working across teams to deliver usable fintech products. Contributed to user research, UX strategy, wireframes, prototypes, and visual components, while collaborating with cross-functional partners to advance product design systems.