Ivan Sipilov | Product Designer

Currently leading platform design @Citadel

Hi 👋 I'm Ivan, mathematician, designer, and developer

I create great designs that drive real results, from award-winning UI to platforms that help businesses grow and users thrive.

Changing how the UX in Finance works with the best team - Citadel X.

Read more about Citadel X

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Recent Publications ✍️

Published in: HackerNoon · 10 min read · Oct 28, 2024

Start developing your designs, literally

Why it’s high time for designers to learn to code.

Published in: UX Collective · 7 min read · Oct 14, 2024

Choice is not the enemy

When “don’t make users choose” is a lie — a crazy housing experience case from New York.

Published in: Sciences of Europe # 151 · 20 min read · Oct 27, 2024

Advanced optimisation of large-scale search

Elasticsearch’s inverted indexing, BM25 scoring, and sharding techniques with custom user-driven relevance models.

Published in: UX Collective · 9 min read · Oct 20, 2024

Yes, design can save you millions

No, it’s not “nice to have”. A case study of the financial impact of smart design decisions in payment systems.

Published in: Bootcamp · 7 min read · Oct 10, 2024

Platform where kindness gets you hired

Not everyone can write a CV or bio — and it’s the designer’s job to help job-seekers shine nonetheless.

Personal Project

NannyServices.ca is a personal project I developed to help families find caregivers. The platform has supported over 300,000 families worldwide, with more than 1M unique daily users.

By combining technology with human needs, NannyServices makes the caregiving process easier, more transparent, and fair for everyone involved.