Sashank Mac's Portfolio

Hi there! I'm Sashank

Im currently working as a senior UX designer at Amazon Business, building great products for complex B2B problems.

My work

About me

Lead designer

Redefining integrations onboarding with AI

Timeline: 6 months (ongoing)

Impact: Adoption by 85k users, Integrated 30+ systems with Amazon Business, First AI powered innovation in the B2B integration space

Contact for details

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Lead designer

Integration central: AI-Powered Partner Integration

Timeline: 6 months (ongoing)

Vision Work

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Lead UX Designer

Self Serve E-Invoices management

Timeline: 2 Months

Impact: 50K new annual customer signups, 65% reduction in support tickets, $780MM annual OPS, 90% reduction in time for customer onboarding

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Lead UX Designer

Troubleshooting B2B Integrations

Impact: 90% reduction in turnaround time for integration support
$450 million cost savings annually

Timeline: 4 months

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CO-FOUNDER

Kibo

Kibo is an AI-powered chat for promoting non-fiction reading among teenagers.

Timeline: 4 months

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Lead UX Designer

AB App Center

One stop shop for business customers of all sizes to discover and manage Amazon Business approved apps

Timeline: 6 months

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More Projects

Amazon Business Mobile

An end to end portable application for B2B invoicing and transactions

In Progress

T3 ATX

Virtual Reality time travel to explore Austin, TX history.

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Evernote Redesign

Evernote redesign study through a business model canvas lens

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What I Bring to the Table

With a proven track record in end-to-end UX, I combine research, design, prototyping, and facilitation to build impactful, data-informed experiences at scale. From influencing billion-dollar programs to driving cross-functional alignment, my work is grounded in measurable outcomes and collaborative execution.

UX Research

I have designed and conducted over 100 surveys, lead 150+ user interviews, 40+ key leadership presentations, synthesized insights from thousands of data points to uncover user needs, validate hypotheses, and inform design strategies.

UX Research

UX Design

I’ve designed 100+ wireframes and user flows for web and mobile experiences, leveraging research-driven methods to deliver 30+ successful product features(currently live) that improved usability and engagement and grossed
$50+ Billion.

UI Design

Over the 50+ projects I've been part of, with a focus on accessibility and consistency, I’ve crafted polished UI designs for 500+ screens/states, ensuring visual excellence and contributing to one of the most used design system in Amazon.

UI Design

Prototyping

I’ve built 75+ interactive prototypes ranging from low-fidelity wireframes to high-fidelity simulations, enabling rapid iteration and early user feedback throughout the product lifecycle.

Prototyping

I’ve built 75+ interactive prototypes ranging from low-fidelity wireframes to high-fidelity simulations, enabling rapid iteration and early user feedback throughout the product lifecycle.

Workshops

I’ve organized and facilitated 25+ cross-functional workshops, bringing together product, engineering, and business teams to generate ideas, prioritize features, and align on product vision.

Workshops

I’ve organized and facilitated 25+ cross-functional workshops, bringing together product, engineering, and business teams to generate ideas, prioritize features, and align on product vision.

Collaboration

I’ve collaborated with 40+ stakeholders across product, engineering, and operations—per projects driving alignment, clarity, and momentum through transparent communication and a user-first mindset.

Collaboration