Muhammad Adil Malik
Full Stack Developer
A comprehensive multi-tenant pet marketplace and ecosystem platform connecting pet lovers, local stores, breeders, and service providers through a unified admin dashboard, merchant portal, and mobile app.
All-in-One
Platform Ecosystem
100+
Multi-Tenant Stores
Stripe
Payment Processing
The challenge
Clear problem framing first — then a solution designed to remove friction for users and operators.
Problem
Pet owners face a fragmented landscape where buying pet food, purchasing accessories, adopting pets, and booking pet services require multiple disparate platforms. At the same time, local pet stores, breeders, and service providers lack accessible digital infrastructure to manage inventory, process service bookings, handle vendor sales, and accept secure online payments without investing in expensive custom software.
Solution
PetPal resolves these challenges with a multi-tenant marketplace architecture. Merchants and store owners get dedicated tenant spaces to manage product inventory (pet food, accessories, care supplies), handle pet sales/adoptions, and list pet services like grooming and boarding. Users enjoy a single mobile app to browse products from multiple vendors, adopt or sell pets, and book services. Centralized Stripe payment integration, real-time inventory synchronization, and multi-tenant isolation power the entire platform seamlessly.
Deep dive
Full written walkthrough of the system — architecture decisions, product surface, and operating model.
Read the full deep dive
3 detailed sections · architecture, product surface, and ops
PetPal is an all-in-one multi-tenant pet ecosystem and commerce platform that enables pet businesses, store owners, breeders, and service providers to manage their operations and sell products or services online. The platform includes a merchant dashboard for inventory, store, and booking management, a central admin platform for multi-tenant management, and a cross-platform user mobile app for pet shopping, adoption, lost-and-found listings, and service bookings.
PetPal was architected as a robust multi-tenant platform designed to serve diverse pet businesses, ranging from local retail pet food shops to specialized service providers like groomers and licensed breeders. The core system decouples platform administration from tenant operations, granting each merchant a dedicated dashboard to configure their store profile, list catalog products, set up appointment availability, and manage localized pricing.
Tenant isolation is enforced at the API gateway and database levels. Request middleware extracts tenant context from authentication tokens or routing parameters, dynamically routing database queries to vendor-scoped collections or dedicated databases in MongoDB. This ensures strict data security, prevented cross-tenant leakage, and simplified GDPR and data compliance for individual vendor accounts while running on shared cloud infrastructure.
For store owners selling physical goods such as pet food, grooming equipment, and accessories, the commerce engine provides comprehensive inventory management. Merchants can configure SKUs, manage stock thresholds, define product variants (size, flavor, weight), and set automated low-stock alerts. Real-time inventory status syncs directly with the user-facing mobile app to prevent over-selling.
The end-user mobile application offers pet lovers a central hub for all their pet needs. Built with a cross-platform framework, the app allows users to seamlessly alternate between shopping for store products, booking care services, browsing adoption listings, or listing lost-and-found pets within their local community.
The marketplace engine aggregates listings from multiple vendors into a unified search and browse experience. Users can filter pet products by category, store proximity, and rating, or explore local service providers for grooming and vet care. A smart shopping cart supports multi-vendor line items, calculating dynamic fulfillment options and localized taxes depending on each merchant's configuration.
Community and welfare features are deeply integrated alongside commercial workflows. The pet adoption module connects animal welfare groups and individual users, facilitating structured adoption application forms, pet history records, and media galleries. Additionally, the pet found/lost utility enables community-driven alerts to help locate missing pets quickly.
To manage multi-vendor commerce efficiently, PetPal leverages Stripe Connect. Merchants complete an embedded onboarding flow to link their payout accounts directly from the PetPal merchant dashboard. During checkout, the payment engine splits transactions between platform fees and vendor balances, executing automated payouts and managing partial refunds or disputes without manual operator intervention.
The service management subsystem enables service-focused merchants (groomers, boarders, trainers) to define bookable time slots, set max capacity per hour, and manage staff schedules. Customers receive instant booking confirmations with calendar integration and automated notifications for upcoming appointments.
Platform operators control the entire ecosystem via an admin management portal. Super-admins monitor overall Gross Merchandise Value (GMV), vendor onboarding status, platform uptime, and system health. Built on auto-scaling cloud infrastructure, PetPal ensures smooth performance even during high-traffic pet adoption events or seasonal store sales.
Capabilities
Practical features users and operators actually rely on.
Multi-tenant merchant dashboard for product catalog management, stock control, and store settings
Multi-vendor eCommerce store support for pet food, accessories, health products, and supplies
Pet Adoption & Sales hub connecting verified breeders, shelters, and individual sellers with buyers
Pet Found & Lost community feature allowing users to upload lost animal notices and alerts
Service booking engine for pet grooming, veterinary care, pet sitting, and training
Integrated inventory management system with stock alerts, variant management, and bulk updates
Unified mobile checkout powered by Stripe Connect supporting split payments and vendor payouts
Comprehensive admin console for platform operators to monitor tenant health, vendor onboarding, and global GMV
Architecture
Stack and system choices that keep the product reliable as usage grows.
Cross-platform Flutter mobile application providing a unified marketplace experience for end users
Next.js web portal rendering tenant store interfaces, service listings, and customer accounts with SEO optimization
NestJS backend built on a modular monolith pattern with multi-tenant middleware for tenant scoping and JWT-based authentication
MongoDB with database-per-tenant or tenant-scoped collection patterns isolating vendor store data, inventory, and transaction records
Redis caching layer for rapid inventory reads, live session tracking, and rate limiting
Stripe Connect integration handling automated multi-vendor payouts, split payments, and secure mobile checkout
AWS infrastructure using ECS Fargate, CloudFront CDN, and S3 for dynamic media delivery (pet media, product listings)
Delivery
Every serious product hits constraints. Here is what we solved.
Impact
Results that matter after launch — not just features shipped.
PetPal streamlined pet commerce and care into a single multi-tenant ecosystem, onboarding hundreds of vendors and pet stores within its first phase. Store owners reduced inventory overhead and digitized service bookings, resulting in accelerated merchant onboarding and significantly higher user engagement across mobile and web platforms.
Stack
Tools chosen for the product — not a resume keyword list.
Explore more
Same delivery standard — focused on what you need next.
Next step
Tell me what is broken in your product or workflow. I will reply with a clear take on approach, timeline, and whether I am the right fit.