This was a big one. The Russian Federal Tax Service was launching a brand new tax regime for self-employed people, and we were trusted to build the pilot platform — the architecture, the web service, and the mobile app. The idea: a freelancer or a small business owner registers in the app, logs every sale, and pays a flat 4-6% tax with zero paperwork.
The mobile app
Built in React Native. The main screen shows your tax account balance, today's revenue, and a transaction feed — top-ups via Apple Pay, cash sales, bonuses. Clean and simple, because the target audience is a hairdresser or a plumber, not an accountant.


Sale templates
One of the features I'm proud of: sale templates. If you're a nail salon and you do the same three services every day, you don't want to type them in each time. Set up templates once — then just tap quantities and hit "Add sale." Saves a ton of time for people who do dozens of transactions daily.

Settings and identity
The settings screen handles profile data, card linking, push notifications, and activity types. Identity verification runs in the background — you see "Identification in progress..." until it clears. We also built referral mechanics ("Invite a friend") and partner program integrations.

The whole thing was running live during the pilot in several Russian regions before the regime rolled out nationwide. Pretty intense timeline — from zero to production in a few months.