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Merchant Installment Payment UtilityFinTechFull-Stack.NET

Installment App

Installment sales, under control — clients, branches, payments, and stats in one place.

Installment App — Merchant Installment Payment Utility

Overview

Business utility application for managing merchant installment payments.

Responsibilities

  • Directed a cross-functional team, acting as the primary liaison between UI/UX design, backend, and mobile development
  • Architected and developed the backend infrastructure using C# and .NET with Entity Framework and MSSQL
  • Deployed backend services via SmarterASP and launched the Android-exclusive client using Flutter
  • Implemented complex merchant workflows and installment calculation logic

Technical Challenges

Problem

End-to-end product delivery across multiple stacks

Solution

Managed full-stack architecture, building the Flutter client while simultaneously architecting and deploying the .NET/MSSQL backend.

Result

Successful delivery and deployment of a cohesive merchant application.

Results & Impact

10K+
Downloads on Google Play
E2E
Backend + app, one team
Multi
Branch operations supported

Tech Stack

FlutterREST APIsC#.NETMSSQLEntity FrameworkSmarterASP

Gallery

Installment App screenshotInstallment App screenshotInstallment App screenshotInstallment App screenshot

Key Features

  • Installment calculations
  • Merchant workflows
  • Business-focused UI
  • Full-stack custom backend integration

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