Subhankar Das

Built and led the design systems function at PhonePe, covering consumer, merchant, and web platforms serving 600M+ users. Delivered the system foundation for a major consumer app redesign in six weeks and established full token compliance across design and engineering.

Led design across fintech, payments, and enterprise client engagements, from research through to shipped product. — Embedded UX partner for a global tech giant's India payments app (150M+ users), owning bill payments features. — Built the design system for slice (11M+ users), delivering up to 4x faster feature shipping. — Delivered a full design system, documentation, and training programme for IDFC First Bank. — Mentored 10+ designers and built internal hiring and growth frameworks.

End-to-end product design across 0-to-1 builds in fintech and enterprise. — Owned UX for Kotak Neo, a stock trading app that reached 5M+ users and 18x revenue growth. — Drove design for 10xGoals (now PeopleCues), a 0-to-1 OKR platform adopted by 100+ organisations. — Led reporting and analytics for GrabAds, replacing a three-tool manual workflow with a unified platform.

Designed UX/UI concepts for a consumer app and locker management system at a Bangalore-based hardware startup.

Created logo, posters, and print materials for the MAYA Health Initiative. Designed UX/UI vision concepts for a data visualization app, applying user-centered design and visual communication skills.