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Oleksandr Koshytskyi
Oleksandr Koshytskyi Photo

Oleksandr Koshytskyi

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Role
Lead Designer
Since
2020
Biography
Mobile design
8
min read
Smartphone mockup tilted against a textured gray background, displaying the Quantillium website. The screen shows a deep blue hero section with the headline “Setting the Standard for Global Financial Data” and subtext about simplifying API access to financial filings across 60 stock exchanges, with the Quantillium logo at the top

Mobile UX design: key stats, strategies, and handy insights from real case studies

UX/UI design
7
min read
Glass pyramid prism on a blue surface, refracting light with subtle red and cyan highlights against a clean blue background, creating a sharp, geometric, and reflective composition

Best UI examples: a practitioner’s guide to interfaces

AI & digital transformation
9
min read
Silhouette of a person in profile looking down at a smartphone, backlit by a soft blue light that creates a high-contrast outline against a dark background

Digital transformation customer experience explained

Web design
7
min read
Bold headline typography on a dark gradient background

5 reasons to invest in responsive web design services now

Mobile design
7
min read
Header illustration showing abstract blue and purple gradient shapes forming a digital interface background, representing AI-driven product design and innovation for Lazarev.agency blog header

Mobile first web design guide: strategy, rollout, and examples

Industry UX/UI playbooks
9
min read
A smartphone displaying the Tratta app interface, showing welcome message, card sales, approval rate, and payment methods statistics.

Banking app UX design explained: market stats, golden design standards, role of AI, and more

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