FinTech & Grocery Retail / Custom Platform Case Study

How We Built a Buy Now, Pay Later Platform for Everyday Grocery Shopping

Buy Now, Pay Later had already reshaped how people buy electronics and fashion, but grocery shopping, one of the most frequent household expenses, remained largely underserved. We built a secure BNPL platform that lets customers buy groceries immediately and pay over manageable installments, without adding friction at checkout.

3-sided

Connects customers, retailers, and administrators

Automated

Installment scheduling and repayment tracking

Multi-city

Built for multi-city, multi-retailer expansion

React

Node.js and PostgreSQL backend

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Client industry

FinTech & Grocery Retail

Solution

Buy Now, Pay Later Platform

Project type

Custom Cloud-Based Platform

Platform

Web Application

Deployment

Cloud-Hosted, Multi-City

Target users

Customers, Retailers, Administrators

Quick answer

QodeInvent built a Buy Now, Pay Later platform focused specifically on grocery purchases, allowing customers to buy groceries immediately and repay over flexible installments. The platform connects customers, grocery retailers, and administrators in one secure cloud-based system, managing identity verification, checkout, installment scheduling, repayment tracking, and reporting. Built on React, Node.js, and PostgreSQL, with encrypted transactions and role-based access control throughout.

The Client

A FinTech vision built around an underserved category

The client wanted to launch a modern Buy Now, Pay Later platform focused exclusively on grocery purchases. While BNPL services had already become common for electronics, fashion, and consumer goods, grocery shopping remained largely underserved despite being one of the most frequent and necessary household expenses.

The vision was straightforward but technically demanding: let customers purchase groceries immediately while spreading payments over manageable installments, without creating friction during checkout. Grocery shopping happens far more often and at a much smaller average transaction size than the categories BNPL had already conquered, which meant the underlying platform needed to handle a different kind of financial workflow than typical BNPL software.

The Challenge

Why grocery financing needed its own platform, not a generic BNPL tool

For many households, grocery expenses represent a significant monthly cost. Unexpected financial situations often force customers to delay essential purchases or rely on expensive credit options just to keep the kitchen stocked. Retailers, meanwhile, needed a financing partner who would handle risk and repayment on their behalf.

x No BNPL option for routine grocery purchases

x High-friction checkout slows grocery runs

x Retailers assume all repayment risk manually

x Customers resort to expensive credit for essentials

x No automated installment scheduling

x Zero visibility into outstanding balances

x No multi-retailer shared infrastructure

x Identity verification blocks fast checkout

Project Objectives

What the platform needed to achieve

The platform was designed to make grocery financing simple and accessible without slowing down the shopping experience, while giving administrators complete operational visibility.

Accessible Financing

Make grocery financing available to everyday shoppers through a simple and intuitive purchase experience.

Frictionless Checkout

Keep financing embedded within the checkout journey without disrupting the speed of routine purchases.

Retail Growth Enablement

Help retailers increase order value and sales opportunities while minimizing operational and financial risk.

Automated Installment Management

Replace manual payment tracking with automated installment scheduling, reminders, and collections.

Real-Time Visibility

Provide customers and administrators with instant access to account status, payments, and activity.

Scalable Partner Ecosystem

Streamline retailer onboarding and partner management to support rapid business expansion.

Future-Ready Financial Platform

Build a flexible foundation capable of supporting new lending, payment, and financial products.

OUR SOLUTION

A Secure Buy Now, Pay Later Ecosystem for Customers, Retailers & Administrators

QodeInvent developed a complete Buy Now, Pay Later platform that enables customers to purchase groceries instantly while spreading payments across flexible installment plans. The platform connects shoppers, retail partners, and administrators through a single secure ecosystem, ensuring seamless financing, operational efficiency, and complete transaction visibility.

Customer Onboarding

Enable customers to register, verify their information, and gain access to financing through a fast and secure digital onboarding process.

Retailer Management

Manage retail partners through a centralized system that simplifies onboarding, account administration, and ongoing collaboration.

Financing Workflows

Automate financing approvals, purchase processing, and funding workflows to ensure a seamless Buy Now, Pay Later experience.

Payment Scheduling

Generate and manage installment plans automatically while tracking due dates, repayments, and payment statuses in real time.

Account Management

Provide customers with full visibility into balances, payment history, financing activity, and account information through a secure dashboard.

Operational Reporting

Deliver actionable insights with comprehensive reporting across customers, retailers, transactions, repayments, and platform performance.

Core Platform Features

What we built, feature by feature

Customer registration and verification

Customers create secure accounts, complete identity verification, and manage their financing profile through an intuitive onboarding experience fast enough for routine grocery use, yet compliant with financial standards.

Grocery partner network

Grocery retailers join the ecosystem through a dedicated partner portal where they manage store information, view customer purchases, process transactions, track settlements, and access sales reports without building any infrastructure themselves.

Buy Now, Pay Later checkout

Customers complete purchases through flexible installment options without disrupting checkout. Order processing, installment calculations, payment scheduling, and account updates happen automatically behind the scenes.

Installment management

Automated repayment schedules let customers view upcoming payments while administrators track performance across the entire platform. Scheduled payments, reminders, and balance calculations run without manual intervention.

Payment management

Customers securely manage saved payment methods, payment history, upcoming installments, successful transactions, and failed payment notifications from one dashboard, reducing support burden significantly.

Administrative dashboard

The administration portal gives complete real-time visibility into customer registrations, active financing accounts, retail partner activity, transaction volumes, repayment performance, and revenue metrics across the entire platform.

Retail partner dashboard

Retailers get dedicated dashboards showing customer purchases, sales performance, pending settlements, transaction history, and store analytics without needing to contact the platform team for basic reporting.

Reporting and analytics

Interactive reporting covers customer growth, financing utilisation, repayment trends, transaction value, retail performance, and revenue analytics, giving leadership the data needed to make decisions about expansion and risk

The Platform Workflow

From registration to completed repayment, step by step

The platform guides customers through every stage of the financing process, from account creation and verification to grocery purchases, retailer fulfilment, and automated installment repayments. Each step is carefully managed to ensure a secure, transparent, and frictionless experience for all participants.

Customer Registration

Onboarding

Identity Verification

Verification

Account Approval

Approval

Grocery Purchase

BNPL Selection

Checkout

Order Confirmation

Confirmation

Retailer Fulfilment

Fulfilment

Installment Payments

Repayment

Account Completion

Completed

Future Roadmap

Where the platform is headed next

The platform has been built on a scalable architecture that supports continuous innovation without requiring a complete system rebuild. Future enhancements will focus on customer experience, financial intelligence, retailer growth, and international expansion.

Mobile Applications

Native iOS and Android applications will provide customers with a faster and more convenient way to manage purchases, payments, and account activity.

Personalised Insights

AI-driven spending analytics will help customers understand purchasing habits, budgeting trends, and repayment performance.

Digital Wallet Support

Expanded wallet integrations will allow customers to make payments through their preferred digital payment platforms.

Subscription Grocery Plans

Customers will be able to subscribe to recurring grocery purchases with flexible financing and automated delivery schedules.

Loyalty Programs

Reward customers for consistent repayments and frequent purchases through points-based loyalty systems.

Referral Incentives

Encourage platform growth by rewarding customers who successfully refer friends and family members.

Customer Rewards

Unlock exclusive discounts, promotions, and partner offers based on platform engagement and repayment history.

AI Credit Assessment

Advanced machine learning models will enhance credit evaluations while reducing approval times and risk exposure.

Open Banking Integration

Secure banking connections will improve financial visibility and streamline account verification processes.

Real-Time Risk Monitoring

Automated risk monitoring tools will provide deeper insights into customer affordability and repayment behavior.

Merchant Financing Tools

Retail partners will gain access to financing solutions designed to support inventory management and business growth.

Sales Analytics

Enhanced reporting dashboards will provide merchants with deeper visibility into customer purchasing trends.

Retailer Insights

Performance tracking tools will help retailers optimise operations and improve customer engagement.

Multi-Country Deployment

The platform architecture supports expansion into new regions while maintaining compliance with local regulations.

Regional Payment Networks

Integration with local payment providers will improve accessibility and customer adoption in new markets.

Cross-Border Scalability

Flexible infrastructure ensures seamless growth across multiple countries and currencies.

Common Questions

About Buy Now, Pay Later platform development

What is a Buy Now, Pay Later platform? ▾

A Buy Now, Pay Later platform is software that allows a customer to receive a product or service immediately while paying for it over a series of scheduled installments rather than the full amount upfront. The platform typically manages customer eligibility, checkout integration, installment scheduling, repayment tracking, and reporting for both the customer and the retail partner offering the financing.

Why does grocery BNPL need different technology than electronics or fashion BNPL? ▾

Grocery purchases happen far more frequently and at a much smaller average transaction value than electronics or fashion purchases, which changes the underlying financial logic significantly. A grocery BNPL platform needs to process eligibility and approval fast enough to not disrupt a routine shopping trip, and it needs repayment scheduling built around frequent, smaller transactions rather than occasional, larger ones.

How does identity verification work without slowing down checkout? ▾

Identity verification runs during account registration rather than at the point of every purchase. Once a customer is verified and approved with a spending limit, individual grocery purchases at checkout simply draw against that existing approved limit, which keeps the actual purchase experience fast while still meeting financial compliance requirements upfront.

Can a BNPL platform support multiple retail partners on one system? ▾

Yes. This platform was built with a dedicated retailer portal and partner-specific dashboards, allowing multiple grocery retailers to operate on the same underlying infrastructure while each retailer sees only their own transactions, settlements, and analytics. This is the standard architecture for any BNPL platform planning to scale across more than one retail partner.

How long does it take to build a custom BNPL platform? ▾

A platform of this scope, covering customer onboarding, retailer management, checkout integration, installment automation, and administrative reporting, typically takes 18 to 26 weeks from discovery to production launch. QodeInvent provides a fixed timeline after an initial technical scoping session.

What security measures are required for a BNPL platform? ▾

A BNPL platform handling financial transactions needs encrypted transaction processing, secure authentication, and role-based access control as a baseline, along with compliance considerations specific to the regions it operates in. Security needs to be built into the architecture from the start rather than added after launch, since retrofitting compliance into an existing financial platform is significantly more difficult than designing for it from day one.