A consumer goods promotion app in Telegram and VK, 2024
Client: a major consumer goods manufacturer. Period: 2024. Role: backend, APIs and administration delivered through Deep; a separate team project provided the frontend.
The promotion app connected a purchase with further campaign participation. Participants entered from Telegram or VK, submitted a receipt, played activities and accessed rewards under the campaign rules.
One server workflow for two channels
The backend processes channel authentication, receipt registration, participation history and ranking data. Receipt images pass through QR extraction; if fiscal details cannot be recognized, the record is saved for moderation. Repeated registration of the same receipt is checked separately.
For games, the server records attempt start and completion, limits and awards. Coupons, prizes and draws are attached to the participant and campaign stage. Administrative operations and notifications support these workflows.
A distinct archived delivery
My delivered contribution is the API and working server mechanisms of the promotion app. The existence of a separate frontend repository does not attribute all visual development to me.
This is a separate 2024 case, distinct from the later receipt-and-games promotion platform. Client brands, links and recognizable visual identity are withheld. A labelled illustration explains the scenario without real receipts or participant records; no advertising performance or audience count is claimed.
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We work in partnership with creative agency Deep.