Products I've Architected & Shipped

AI-powered SaaS, fintech platforms, and mobile apps, built from system design to production using Flutter, React, Node.js, and AI agent workflows.

Zentrive Lending Platform

Zentrive · Product Engineer · 2025

Visit

The Problem

Lenders and fintechs each rebuild the same loan origination, underwriting, and servicing stack from scratch, which is slow to launch and hard to run safely across multiple business entities.

My Approach

Designed and built a shared, multi-tenant lending platform that lets multiple business entities run fully branded loan programs on one codebase, with strict tenant isolation, permission-based RBAC, and financial-correctness guarantees.

System Architecture

Multi-tenant NestJS API + worker with per-tenant data isolation and white-label branding
End-to-end loan lifecycle: origination, KYC, underwriting, servicing, repayments, collections
Permission-based RBAC enforced at both route and service layers with full audit trails
Event-driven design with idempotent money operations and a DB-backed outbox pattern
Four React/Vite frontends (customer, mobile, business admin, super admin) on a shared UI library
Containerized CI/CD to Kubernetes with secret scanning, SAST, and image vulnerability gates

Outcomes

Onboards new lending businesses without code changes (config-driven tenancy)
Reduced new-tenant launch time from weeks to days via reusable origination + branding flows
Hardened delivery pipeline with automated secret, SAST, and container security gates

AI/MLNestJSReactTypeScriptMySQLRedisDockerKubernetes

AI CRM Automation

Enif AI · AI Product Engineer · 2024

Visit

The Problem

Businesses were losing customers due to slow, inconsistent support responses. Existing CRMs lacked intelligent automation.

My Approach

Designed and built an AI agent system using NLP to analyze conversations in real-time, automate task creation, and guide support teams, with a modular Node.js backend and React frontend.

System Architecture

AI agent pipelines for conversation analysis and automated task workflows
Real-time NLP processing with context-aware recommendations
Modular API design for seamless CRM integrations
Scalable event-driven architecture with MongoDB backend

Outcomes

30% increase in product adoption across client organizations
20% improvement in customer satisfaction scores
15% greater efficiency in customer service operations

AI/MLReactNode.jsMongoDB

EatYum

EatYum · Product Engineer · 2025

Visit

The Problem

Local food businesses lacked a unified platform for web and mobile ordering with real-time delivery tracking.

My Approach

Designed and built a cross-platform food ordering system with React (web) and Flutter (iOS/Android), with real-time tracking on Firebase and Paystack payment integration.

System Architecture

Cross-platform mobile app with Flutter + Dart for iOS and Android
React web application with a responsive design system
Firebase backend for real-time order tracking and push notifications
Paystack integration for secure payment processing

Outcomes

15% increase in user engagement through personalized ordering
20% reduction in average delivery time with real-time tracking
Cross-platform reach across web, iOS, and Android

ReactFlutterFirebasePaystack

CredPal App

CredPal (YC W19) · Product Engineer · 2023

Visit

The Problem

Millions of Nigerians lacked access to credit, savings, and investment tools due to traditional banking barriers.

My Approach

Architected and shipped the Flutter mobile app for CredPal's fintech platform, covering BNPL, credit cards, savings, and investments, with modular components and secure payment API integrations.

System Architecture

Flutter mobile app with modular architecture for BNPL, cards, savings, and investments
Secure payment API integrations for credit scoring and transaction processing
Real-time notifications and transaction tracking
Scalable backend integration with REST APIs

Outcomes

25% increase in user base within six months
Expanded credit access to underserved populations
Improved retention through diversified financial products

FlutterPayment APIsCredit Scoring

Melon Platform

CredPal · Product Builder · 2023

The Problem

Creators and businesses struggled to share multiple profiles and products, resulting in scattered online presence and lost engagement.

My Approach

Designed and built Melon from scratch with React and MongoDB, a unified “link-in-bio” platform with customizable landing pages, analytics, and e-commerce integration.

System Architecture

React frontend with customizable theming and brand components
MongoDB backend for user profiles and analytics data
Express.js API for real-time engagement tracking
E-commerce integration for direct product sales

Outcomes

15% increase in digital engagement for businesses
Streamlined social media management for creators
New revenue stream through premium features

ReactMongoDBExpress

Livio Food

Livio · Product Builder · 2024

Visit

The Problem

No dedicated platform existed for discovering African cuisine, meal planning, and connecting with local food suppliers.

My Approach

Built a Flutter mobile app with a Firebase backend, designing the recipe database, meal planning engine, and marketplace integration for bulk food ordering.

System Architecture

Flutter mobile app with Dart for cross-platform iOS/Android deployment
Firebase backend for real-time data sync and user authentication
Recipe database with nutritional info and meal planning algorithms
Marketplace module connecting consumers with local suppliers

Outcomes

10% increase in daily active users after UX improvements
Expanded market reach connecting suppliers with consumers
Built a vibrant community around African cuisine

FlutterFirebaseSubscription APIs