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Nisarg Kumar

@nisargkumar

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AI-native product designer crafting research-led, CRO-optimized web and mobile experiences.

India

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What I'm looking for

I’m looking for a product design team where I can own end-to-end UX/UI, run experiments (A/B tests + CRO), and scale impact with design systems. I want to work AI-native, using fast prototyping to validate ideas quickly.

I’m an AI-native UI/UX and product designer with 2+ years of experience shipping end-to-end web and mobile experiences for 13+ e-commerce brands. I pair user research, prototyping, and Figma design systems with A/B testing and CRO, so design decisions are backed by behavior—not opinion.

In my current work, I own UX/UI across multiple brands and translate insights into experiments that move metrics. I redesigned Bellavita’s PLP to drive +100% add-to-cart rate and +4.8% overall conversion, rebuilt the Bellavita hamburger menu to grow app installs from 35,000 to 65,265 (+86%), and improved SleepyCat cart and checkout with +25.45% checkout completion.

I also build reusable systems to scale quality—components, design tokens, typography, spacing, and responsive guidelines—so teams ship faster with fewer inconsistencies. Beyond execution, I move from idea to tested prototype quickly by wiring Claude into Figma, and I’ve led end-to-end design for product teams and D2C startups, including component libraries, design handoffs, and CRO-driven iteration across funnels.

Experience

Work history, roles, and key accomplishments

Current

UI/UX Designer

Current

OneGuardian Brands

Dec 2025 - Present (8 months)

Own end-to-end UX/UI across multiple 3D commerce brands, improving key conversion metrics through redesigns and CRO. Build and roll out a Figma-based design system across brands while running user interviews and UX audits.

UX UI Design User Research Design Audits Heuristic Evaluation Prototyping Figma Design Systems Design Tokens Typography Spacing Responsive Guidelines Component Libraries A B Testing Agile Scrum Design Handoff

Co-Founder & UX Designer

Lemmik

Oct 2024 - Nov 2025 (1 year 1 month)

Led end-to-end design for an e-commerce product, including research, information architecture, wireframes, prototypes, and high-fidelity UI. Built reusable component libraries and standardized design handoff documentation for engineering.

UX Design User Research Information Architecture Wireframing Prototyping Component Libraries Design Handoff Cross Functional Collaboration

Founder & Product Designer

Konohakart

Jan 2022 - Jan 2024 (2 years)

Founded an anime-merchandise D2C store and owned the full design lifecycle from research to mobile-responsive UI. Drove CRO to increase daily conversions.

UX Design User Flows Wireframing Mobile App Design Responsive UI