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Engineering Catalog.

A comprehensive catalog of full-stack systems, backend architecture rebuilds, event-driven automation engines, and real-time push telemetry services.

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Showing 4 projects

Malamal preview LIVE
SaaS Web Application

Malamal

Inventory & Order Management for Small Businesses

A multi-tenant inventory and order management system built for small businesses across five industry verticals, with role-based access and plan-gated features.

Live Demo ↗Case Study →
Multi-Tenant SaaSPWARole-Based AccessTiered SubscriptionsNiche-Adaptive
Highlights
Business-type-aware UI: terminology, fields, and categories change based on the selected niche (Pharma, Restaurant, Fashion, Hardware, General)Point-of-sale interface with barcode scanning via camera and product searchCron-driven low-stock and expiry alerts delivered via email and Web Push (VAPID)Tiered subscription system enforcing per-plan quotas on products, orders, managers, and feature accessSuper Admin dashboard with workspace approval workflow and owner impersonation
Tech Stack
NestJSNext.jsPostgreSQL + PrismaRedisBullMQ
My Financial Trading
LIVE
Full-Stack Web Application

My Financial Trading

Financial education platform with video streaming and multi-gateway subscriptions

A financial education platform with structured trading courses, subscription billing across four payment gateways, and a community for learners.

Live Demo ↗Case Study →
Full-StackVideo StreamingMulti-Gateway PaymentsReal-Time
Highlights
Token-gated S3 video streaming with per-browser range-request optimizationStripe, Apple In-App Purchase, and CoinPayments subscription handling with webhook processingBullMQ workers for video compression (FFmpeg) and staggered newsletter deliveryRedis-backed auth token cache cutting DB lookups on every authenticated requestTiered affiliate partner system with referral tracking and payout management
Tech Stack
Node.js / TypeScript / ExpressNext.js 15 / React 18MongoDB / PrismaRedis / BullMQAWS S3 / Socket.io
DrawSketch preview
Full-Stack Web Application

DrawSketch

Browser-based vector drawing app with cloud sync

A canvas-based drawing app with a file-system organizer, cloud sync, and public sharing — works offline without an account.

Case Study →
TypeScriptReactNode.jsMongoDBRedis
Highlights
13 drawing tools including pencil, shapes, text, arrows, and framesDebounced cloud sync with localStorage fallbackFile/folder tree with drag-drop, rename, and duplicationPublic sharing via unique read-only share linksPresentation mode that steps through frame elements
Tech Stack
React 19Rough.jsExpress 5Prisma + MongoDBRedis
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