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Product Engineering / Public Product

Dcard

Subscription-Based Digital Discount and Loyalty Platform

01 / Product case studyBackend and web engineering / Server-side architecture and mobile integration contractsApp Store + Google Play
02

From idea to product

A product system connecting users and partner businesses.

Dcard combines subscriptions, digital discounts, offers, and loyalty in a public mobile product. The approved scope includes user discovery, savings, and partner-management workflows at product level.

Scope 01

Initiation

Project Initiator
Scope 02

Product model

Technical Product Lead
Scope 03

Release evidence

App Store + Google Play

A conceptual view of Sherzod's approved contribution breadth, not a claim of exact project chronology.

03

Product ecosystem

Users, partner businesses, platform, and mobile product.

The approved product model connects two product sides through the backend and web platform while keeping mobile client implementation as a clear collaboration boundary.

System boundaryPlatform

The backend and web platform connects subscriptions, offers, loyalty, users, and partner businesses.

  1. 01

    Product side 01

    Users

    The public product model includes discovery, offers, savings, and loyalty experiences for users.
  2. 02

    Product side 02

    Partner businesses

    Partner businesses participate through offer and partner-management workflows described at product level.
  3. 03

    Client boundary

    Mobile product

    Dedicated mobile clients connect through server-side contracts and integration boundaries owned on the backend and web side by Sherzod.
04

My role and ownership

Backend, web platform, and system architecture ownership.

Sherzod's governed role combines project initiation, technical product leadership, solution architecture, and sole backend and web engineering. Mobile implementation remained a separate team boundary.

What Sherzod owned

  1. 01

    Product initiation and technical leadership

    Project Initiator and Technical Product Lead are part of the approved role record.

  2. 02

    Solution architecture

    Solution Architect is part of the approved role and system-design scope.

  3. 03

    Backend and web engineering

    Sole Backend and Web Engineer is explicitly scoped to the backend and web platform, not the mobile clients.

  4. 04

    Server-side integration boundaries

    Sherzod defined the server-side contracts and integration boundary used by the mobile clients.

05

System capabilities

Product capabilities organized around one shared core.

The public-safe capability surface is intentionally limited to subscriptions, offers, partner experience, loyalty, and the mobile experience.

  1. 01

    Capability 01

    Subscriptions

    Subscriptions are part of the approved high-level digital discount product model.
  2. 02

    Capability 02

    Offers

    Discovery and offer workflows connect the user and partner-business sides of the product.
  3. 03

    Capability 03

    Partner experience

    Partner-management workflows represent the business-facing side of the product.
  4. 04

    Capability 04

    Loyalty

    Loyalty and savings concepts are part of the approved user-facing product purpose.
  5. 05

    Capability 05

    Mobile experience

    The public mobile product integrates with the backend and web platform while retaining a separate implementation boundary.
06

Engineering model

Product engineering scope

A conceptual view of Sherzod's approved contribution breadth, not a claim of exact project chronology.

  1. 01Product thinking
  2. 02Solution architecture
  3. 03Backend engineering
  4. 04Web platform
  5. 05Mobile integration
  6. 06Public release
07

Public release

Publicly listed on Apple App Store and Google Play.

The two independently verified store listings are the public evidence surface for Dcard's release.

Dcard public availabilityApp Store + Google Play

Publicly listed on Apple App Store and Google Play

08

What this project demonstrates

Product thinking carried through engineering execution.

  1. 01

    Product-oriented engineering

    The approved role spans project initiation, technical product leadership, solution architecture, and engineering execution.

  2. 02

    Backend and web ownership

    Sole engineering ownership is explicitly limited to the backend and web platform.

  3. 03

    Cross-client integration

    Server-side contracts connected the separately implemented mobile clients to the platform.

  4. 04

    Multi-sided product modeling

    The product brings users and partner businesses together through subscriptions, offers, savings, and loyalty concepts.

  5. 05

    Public release evidence

    Dcard is publicly listed on both the Apple App Store and Google Play.

09

Public evidence

Inspect the public product listings.

The two independently verified store listings are the public evidence surface for Dcard's release.

ProductDcard
StatusPublicly listed on Apple App Store and Google Play
AvailabilityApp Store + Google Play