Selected work
Products I own and client work I was brought in to do, each written up as what the problem was, what I changed, and what it measurably did. Filter by the kind of work if you are here for something specific.
A marine-life platform with its own image-recognition service, native iOS and Android apps - App Clip, widgets and share extension included - on self-hosted infrastructure. Designed, built, shipped and operated solo.
Built by
One person, end to end
A high-performance, real-time Mode-S/ADS-B aircraft tracker and statistics dashboard reimagined for the modern web.
Runs on
A Raspberry Pi
The first Ukrainian online marketplace in the U.S., with its own iOS and Android apps - built and run as sole technical owner, from architecture to payments to infrastructure.
Payment stack
PCI DSS SAQ A eligible
Hromada
Client: Hromada, a 501(c)(3) non-profit
A Ukrainian-American non-profit media platform and charity: bilingual publishing, a print-newspaper archive, events, and recurring donations. Built and maintained solo.
Donations
One-off and recurring, via PayPal
Dr. Tire
Client: Doktor Pokryshkin, a mobile tyre service
A small bilingual site for a mobile tyre service in Kyiv, replacing a legacy WordPress. No database, no CMS, no UI library - four runtime dependencies and pages that are static by build rule.
Runtime dependencies
Four
Den Evakuator
Client: Den Evakuator, a Kyiv tow-truck service
A bilingual one-page landing for a 24/7 tow-truck service in Kyiv. No database, two client islands, and a service-area map drawn as inline SVG instead of an embedded map with an API key.
Coverage map
3 KB of inline SVG
The Athletic - The New York Times
Client: The Athletic (The New York Times)
Technical SEO and front-end performance for one of the largest subscription sports-media platforms in the US.
Structured data
Article, video and entity types
Greenpill - VR learning platform
Client: Greenpill Technologies
Server-side architecture for a VR education platform where teachers control and monitor student sessions in real time.
Real-time session control
WebRTC over Janus
AllyO - AI recruiting platform
Client: AllyO (acquired by HireVue)
Lead front-end for an AI recruiting platform, later acquired by HireVue. Built the interface layer for probabilistic model output.
Outcome
Acquired by HireVue
Is your problem one of these?
If it looks like something above, I have done it before. If it does not, tell me anyway - the useful answer is sometimes that you need someone else.