Arash Ranjbaran

Atolls operated a multi-tenant white-label coupon and deal platform serving more than 50 publisher brands across web, iOS, Android, and internal tools.
• Led end-to-end product design across conversion, monetization, complex workflows, accessibility, and design systems.
• Designed and tested changes that increased CTR by 8% and E2V, an internal order-value metric, by 10% across more than 364,000 s

Worked as Senior Product Designer at Atolls.

Designed customer-facing and B2B products across responsive web, iOS, Android, and hotel revenue-management software.
• Redesigned the core booking journey using heatmaps, screen recordings, analytics, and A/B testing, increasing conversion by 16% across more than 10,000 sessions.
• Designed and validated a complete 0-to-1 native app experience for iOS and Android in one month as the solo designer

• Defined the brand’s visual language and applied it consistently across web, iOS, and Android.
• Redesigned the website UX/UI with a user‑centric, mobile‑first approach, improving clarity and speed to task.
• Established and rolled out a design system to scale patterns, enforce consistency, and speed delivery.
• Ran experiments and funnel fixes to lift conversion and customer satisfaction, valida

• Led UX for a B2B SaaS task management and agile workflow platform, mapping end‑to‑end journeys (plan → assign → track → deliver) and simplifying collaboration.
• Designed core experiences for boards, tasks, notifications, and permissions to reduce friction and improve team velocity.
• Shipped mobile‑first features on iOS with accessibility in mind; kept parity and coherence across web and app.
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• Contributed to UX for a B2B SaaS workplace communication platform (messaging, channels, and conferencing), designing clear, end‑to‑end flows.
• Designed chat, channel, presence, and voice/video meeting experiences across web and iOS, applying platform‑native patterns.
• Translated stakeholder input into user‑centric solutions, balancing business needs with usability and reliability.
• Prepared d

• Designed core social features (profiles, feed, messaging) for a mobile app tailored to Iranian users, balancing cultural context with modern UX.
• Applied platform‑native patterns across iOS and Android; ensured consistency via reusable components and clear interaction models.
• Optimized mobile onboarding, content creation, and engagement loops to reduce friction and increase session depth.
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• Designed intuitive UX/UI for websites and online games, improving clarity, flow, and engagement across platforms.
• Concepted and prototyped new social platform experiences, turning raw ideas into tested, user‑validated interaction patterns.