Product Designer — research, design & testing · 2026
Redesigning the billing experience for a $50M ARR product
How I helped 3,000+ brands see their usage before it cost them their experiments.
Rohit Singh — Product Designer
I design interfaces that convert visitors into customers
Product designer, 4+ years, specialised in SaaS websites and web apps. Right now I'm building features and redesigning screens for VWO.com, an A/B testing tool doing $40M ARR.
I use psychology and conversion optimisation to make products usable, customer-centric, and conversion-focused. Not everything is shown here — some work is under NDA.
Websites I've worked on
Design work
Case studies
Client work, product work, and self-initiated teardowns. Newest first.
Strategy, UX & Design System · 2023
Designing Indian Made Cyber Range for B2B users. (Case Study)
Strategy, UX, and a design system for an Indian-made cyber range used by universities teaching security.
Product Designer · 2022
Website design case study for tech startup
Website for a B2B cybersecurity startup, covering their learning management system and cyber range products.
UX & UI Designer · 2021
Alexander James recruiting website redesign (AJR)
Website redesign for a recruitment agency, focused on turning visitors into candidate signups.
UX Designer · 2021
Improving the UX of online suit selling website.
Rebuilt the buying experience for an online suit retailer. Client under NDA.
Product Designer · 2021
Increasing engagement of spaced repetition feature in Readwise.io (Hypothesis)
A design and psychology hypothesis for making Readwise's spaced repetition feature genuinely engaging.
Product Designer · 2020
Improving User Experience of amazon prime (case study)
A UX teardown of Amazon Prime Video's language discovery, redesigned for viewers who watch dubbed content.
Product Designer · 2019
Booksite - A book sharing platform for book lovers (first case study)
MVP for a platform letting book lovers share physical books. My first end-to-end case study.
Writing
Why humans do what they do
I write about design, psychology, decision-making, and why smart people get stuck.
Why stress is good for you
You're sitting at your desk, heart pounding before a big presentation. Your palms are sweaty, your mind is racing, and you feel that familiar surge of energy coursing through your body.…
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Society doesn't want you happy - it wants you safe
One of my close friends spent 8 years' worth of his savings on his sister's marriage. When I asked him why, he couldn't give me a straight answer.
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The psychology behind why good stories are so memorable
I was nine when I first noticed something strange about my mother.
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