Ivan Kuvshinov
About Me Get to Know me.
I'm a system analyst and app developer based in Portugal
For more than 11 years I have been turning business needs into working digital products in fintech, telecom and e-commerce: requirements, API and integration design, architecture, backlog and delivery. I have worked on high-load platforms — tens of thousands of transactions per second, billions of events a day. For the last couple of years I have also been designing and building my own mobile apps end to end: from the idea and UX to the backend they talk to and the release in the stores.
Ivan Kuvshinov
What I Do

System Analysis

Discovery, requirements, API and integration design, data models, BPMN/UML — the path from a business idea to a clear engineering task.

App Development

Mobile apps for iOS and Android built end to end: UX, client, the server side they need, testing and store release.

Product Ownership

Roadmap, backlog, priorities and delivery. Bridging stakeholders and engineering teams until the product is in production.

Experience & Skills
Scale and results of the projects I have worked on
11+
years in IT
fintech · telecom · e‑commerce
45,000
transactions per second
telecom billing
100M
customers in the product
telecom billing
5×
faster transaction unblocking
banking anti-fraud

Analysis

RequirementsAPI designIntegrationsBPMN / UMLData modelsSQL

Product

RoadmapBacklogAgile / ScrumRelease to production

Domains

FintechAnti-fraudTelecom & billingE-commerce

Apps

iOS & AndroidUXServer sideStore release
My Portfolio Some Of My Works
NoirPanther

NoirPanther

A native reading app for iOS, iPadOS, Android and macOS that connects to your own self-hosted book and comic server. EPUB, PDF and comics, offline downloads, reading progress sync, several hand-made themes. No tracking, no ads — your library stays yours.

NoirPanther Server

NoirPanther Server

The server side of NoirPanther: an open-source (MIT) fork of the Stump media server — custom themes, a fully localized Russian UI, encrypted offline reading, per-user content rules and security fixes on top of upstream. Run it on your own hardware and point the app at it.

PHUN

PHUN

A casual puzzle about slowly revealing a hidden picture: swipe to sharpen the image block by block and guess what it is as early as you can — or reveal it as fast as you can. Daily challenges and puzzles from friends. In development.

Coming soon
Contact Me
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Message Me

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Contact Info
Name

Ivan Kuvshinov

Location

Portugal