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All projectsCAPERMINT / CASE STUDIESCommerce & marketplaces

LOCAL STORES. ONE CONNECTED MARKETPLACE.

Keffys.

Many sellers. A simpler way to run the marketplace.

From supermarkets and pharmacies to grocery outlets and restaurants, Keffys brings different local businesses into one marketplace. Capermint delivered the underlying platform as a complete build for multi-store retail in Kenya.

Official Keffys App Store screenshot showing local sellers, categories and products
Official Keffys App Store screenKeffys
INDUSTRYE-commerce
ENGAGEMENTFull build
TECHNOLOGYASP.NET & JavaScript
MARKETKenya

THE PROJECT

Bring a fragmented retail operation onto one platform.

A multi-vendor marketplace has to do more than display products. It must give different sellers a workable home, keep store information organized and provide the business with a consistent way to oversee operations.

Keffys wanted to unite a broad mix of local retailers in Kenya, including general stores, supermarkets, pharmacies, grocery outlets, hardware stores and restaurants. Capermint was brought in as the full-build partner to develop the platform from the ground up.

The documented engagement centers on a web platform built with ASP.NET and JavaScript. Storefronts, seller management and the core business logic were delivered as one system, replacing fragmented coordination with a shared operating foundation. The public Keffys apps provide an additional view of the wider marketplace experience.

Support different store types

Give varied retailers a shared structure without treating every business as identical.

Centralize marketplace operations

Create a consistent way for Keffys to manage sellers and stores across the business.

Build a maintainable foundation

Connect the backend and interactive front end so the platform can accommodate more sellers over time.

PRODUCT VISUALS

Local shopping, from discovery to checkout.

Official Keffys App Store screenshots. The seasonal artwork is part of the publisher’s current store presentation and is shown as supplied; it is not a promotion created for this case study.

Keffys official seasonal introductory App Store artwork
Brand presentation · official store artwork
Keffys location selection in official App Store artwork
Discovery · choose a shopping location
Keffys marketplace with local stores and product categories
Storefront · sellers and products
Keffys cart with quantities and staged checkout
Checkout · a guided shopping journey

THE EXPERIENCE

Connect the storefront to the operation behind it.

The marketplace serves shoppers, individual sellers and the business overseeing the wider network.

Discover local sellers

The public app presents location-based shopping with local stores and product categories.

Browse the offering

Shoppers explore products while store and seller information provides context.

Move toward checkout

The published app screens show a cart and a staged checkout journey.

Coordinate the marketplace

Behind the storefront, centralized multi-store management gives Keffys a shared way to oversee sellers and operations.

CHALLENGES & SOLUTIONS

Retail variety needs operational structure.

The build scope and delivery responses come from the supplied Keffys case-study document. Public app screens illustrate the wider product experience.

Different sellers under one roof

THE CHALLENGE

Stores across retail categories have different listings and operational needs. Managing them independently creates inconsistency.

THE RESPONSE

Build a multi-store architecture with storefronts, seller management and business logic in one cohesive system.

Why it mattersThe platform can support varied businesses within a shared structure.

A dependable operating foundation

THE CHALLENGE

A marketplace dealing with real sellers and transactions cannot rely on disconnected, fragile workflows.

THE RESPONSE

Use ASP.NET for the core business logic and data layer, connected to a JavaScript-driven front end.

Why it mattersThe documented build gives the business a maintainable base for everyday operation.

Fragmented manual coordination

THE CHALLENGE

Overseeing each store through separate processes makes the wider business harder to manage.

THE RESPONSE

Centralize multi-store management so Keffys can oversee sellers and operations consistently.

Why it mattersThe operating model becomes more structured as the seller network grows.

Growth without rebuilding each store type

THE CHALLENGE

Adding sellers and categories can multiply complexity when the platform is built as isolated storefronts.

THE RESPONSE

Design the system around multiple store types sharing a flexible architecture.

Why it mattersExpansion can build on the common foundation rather than starting again for every category.

PRODUCT FEATURES

A marketplace supported from both sides.

Multi-vendor storefronts

Different sellers operate inside the same marketplace experience.

Seller management

The platform brings seller organization into a consistent operating structure.

Multiple retail categories

The shared foundation supports general retail and specialist store types.

Centralized oversight

Keffys can manage multiple stores through one connected system.

Interactive browsing

JavaScript powers the responsive storefront and seller-facing experience described in the build.

Core business logic

The ASP.NET backend and data layer support the platform’s operating foundation.

IMPLEMENTATION

A full build, from business logic to storefront.

Capermint owned the documented platform engagement end to end, covering the architecture, backend and interactive front end.

ASP.NET backend

Develop the core business logic and data layer as a structured foundation for the marketplace.

JavaScript front end

Connect the storefront and seller-facing flows through an interactive web experience.

Multi-store architecture

Allow different categories of seller to operate within the same platform without collapsing their requirements into a rigid model.

Connected operations

Bring the store-facing experience and central management together so the client can operate the marketplace as one business.

DESIGN & USABILITY

Make the local store visible inside the marketplace.

The public app screens show how store identity, location and product discovery sit together in the customer experience.

Location gives shopping context

A location selector helps ground discovery in a local retail area.

Sellers remain visible

Store listings and seller names help shoppers understand the businesses behind the products.

Checkout follows a clear sequence

The published cart screen organizes the shopping journey into cart, checkout and address stages.

OUTCOMES & IMPACT

A shared foundation for a multi-store business.

The supplied case study reports qualitative improvements in operational structure and a delivered foundation for future marketplace growth.

A complete platform

Storefronts, seller management and core business logic were delivered together.

More consistent operations

Central management brought structure to a previously fragmented multi-store workflow.

Room for more sellers

The architecture was designed to support expansion across stores and retail categories.

Source: Keffys_Case_Study.pdf. The documented stack applies to the web platform engagement; no mobile framework, revenue uplift, transaction volume or uptime guarantee is asserted.

PROJECT QUESTIONS

A closer look
at Keffys.

What is Keffys?

Keffys is a marketplace connecting different local sellers and retail categories in Kenya, with shopping and business discovery available through its public product experience.

What did Capermint build?

The supplied document describes a complete marketplace platform: architecture, storefronts, seller management and underlying business logic.

What technology powers the documented build?

ASP.NET supports the backend and data layer, while JavaScript powers the interactive front end. The document identifies the delivered platform as web.

How does it accommodate different sellers?

A shared multi-store architecture supports different retail categories within one system, with centralized oversight for the marketplace business.

Where can I explore Keffys?

Visit the official website or use the verified Keffys App Store and Google Play links on this page.

LET’S BUILD YOUR NEXT EXPERIENCE.

Building a marketplace around a real-world business?

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