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OUR WORK

Adrena – Your One-Stop Sports Shop.

E-Commerce Innovation for High-Performance Brands

Adrena offers cutting-edge e-commerce solutions tailored to the high-growth needs of modern retailers. Partnering with Expertinasia, we delivered a powerful, scalable platform that ensures seamless shopping experiences across devices. Our focus was on performance, usability, and flexibility—empowering sellers of extreme sports, adventure gear, and performance equipment to manage their inventory, customers, and payments with ease.

Adrena - Building a High-Performance Digital Retail Experience

Adrena is a modern e-commerce platform tailored for buying and selling extreme sports, adventure, and performance gear. Built with Flutter, Node.js, MongoDB, and Next.js, and hosted on AWS EC2 with S3 storage, the platform ensures scalability, security, and fast performance. Sellers can launch their own branded stores based on subscription plans, list products across multiple categories, and manage real-time inventory.

A unique feature of Adrena is its contract-based system—buyers and sellers agree on terms (pricing, delivery, warranty, etc.) before purchase, promoting transparency and trust. Payments are securely handled via Stripe and Razorpay, with funds released post-contract confirmation. The platform also offers robust admin tools for managing users, stores, transactions, and dispute resolution. With identity verification and a user-centric design, Adrena delivers a secure, scalable, and engaging digital retail experience for the sports community.

Project Info:

  • Client Location : Brazil
  • Category: e-Commerce
  • Development Time: 8 Months
  • Target Users: Sports enthusiasts, sellers, clubs, buyers, store owners.
Tech Stack

Technologies We Use

React.js React.js
Nest js Nest js
MongoDB MongoDB
firebase Firebase
bitbuket Bitbucket
iugu IUGU Payment gateway

The Challenges

The development of Adrena, an e-commerce platform, presented several multifaceted challenges, primarily centered around:

  • Scaling Product Catalog & Search Performance: Managing a growing catalog with fast search, filter, and discovery operations without slowing down the user experience.
  • Real-Time Inventory Synchronization: Keeping product stock information up to date across the platform during high transaction activity and concurrent orders.
  • Secure & Compliant Payment Processing: Processing sensitive payment data securely using IUGU, while ensuring compliance with regulatory and industry standards.
  • Seamless Identity Verification: Creating a trustworthy onboarding flow that incorporates KYC verification for secure and fraud-resistant user access.

The Solutions

The development of Adrena, an e-commerce platform, presented several multifaceted challenges, primarily centered around:

Search_Performance
Category-Based Product Listings & Search:
  • Organized Inventory: Products are categorized by sport type, equipment, and performance level for easier browsing.
  • Advanced Search & Filters: Users can quickly find specific gear using filters like brand, price, condition, and rating.
  • Personalized Recommendations: The platform suggests items based on user preferences and past activity.
Real_Time_Inventory
Real Time Inventory & Communications
  • WebSocket Synchronization: Real-time inventory updates via WebSockets ensure buyers see only available products.
  • Nest.js Event Handling: Backend listens for stock changes and triggers instant updates to the frontend.
  • Live Chat Capabilities: Enables instant communication between buyers and sellers for faster decision-making.
Secure_Transaction
Secure & Compliant Payment Processing
  • IUGU Integration: Used IUGU to manage tokenized payments securely, ensuring PCI compliance and data protection.
  • Webhook-Driven Status Sync: Real-time updates on payment status (success, failure, refunds) through backend webhooks.
  • Error Handling & Retry Logic: Built-in mechanisms to gracefully handle failed transactions and auto-retry where needed.
Identity Verification
Seamless Identity Verification
  • Verified User Onboarding: Both buyers and sellers complete identity verification to enhance platform trust.
  • Document & KYC Upload: Users submit government-issued ID or business documents for verification.
  • Security & Fraud Prevention: Ensures a safer environment for high-value transactions and reduces fraud risks.
e-commerce

Key Deliverables

User-facing e-commerce platform:

Built in React.js, allowing users to browse products, make purchases, and track orders.

Backend service layer:

Developed in Nest.js for managing inventory, orders, payments, and identity verification.

Inventory management system:

Near real-time inventory updates using Redis and WebSockets.

Search engine integration:

Fast, scalable product search using Elasticsearch or Algolia.

Secure payment system:

IUGU integration for tokenized transactions, refunds, and status tracking.

Identity verification flow:

Sumsub integration with user guidance, webhook processing, and status feedback.

Admin dashboard:

For managing products, orders, payments, and support tickets.

Database schema:

Optimized MySQL models for product catalog, users, payments, and inventory.

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Key Feature Enhancements

AI-powered product recommendations:

  • Personalized product suggestions based on user browsing and purchase history.

Regional payment method integration:

  • Integration with local payment gateways for a smooth, region-specific payment experience.

Advanced customer behavior analytics:

  • In-depth analysis of customer interactions, preferences, and patterns to improve marketing strategies and product offerings.

Mobile App For Android & iOS:

  • Native mobile apps for seamless shopping, order tracking, and user experience across both Android and iOS platforms.

Delivery & Deployment

Frontend:

  • React.js deployed with CDN for fast load times and geo-distributed performance.

Backend:

  • Nest.js hosted on AWS EC2 with scalable container-based architecture.

Database:

  • MySQL optimized for high-concurrency reads/writes and search indexing support.

Media Storage:

  • Product images and user assets stored on AWS S3.

Payment Gateway:

  • IUGU integration with tokenization and webhooks for secure billing.

Identity Provider:

  • Sumsub integration with real-time and deferred verification flows.

Monitoring & Alerts:

  • Integrated with Sentry and custom backend logging.