PRJ-001 / platform
Offline-First Pharmacy Platform
A pharmacy management system that keeps selling when the internet drops, then reconciles every till operation exactly once when it returns.
Node.jsExpressMongoDBOffline-firstERP
ls ~/production
Every system, explained
Problem, approach, outcome, and the architecture decisions with their tradeoffs. Filter stacks combine: pick two tags to see projects using both.
MongoDBRedisE-commerceERPFintechIoTMulti-tenantPaymentsReal-timeSaaSExpressNext.jsNode.jsReactSocket.IOVue.jsAWSCloudflare R2BashJavaScriptLuaPythonPentestingGemini APIOneSignalStripeTurf.js
PRJ-002 / platform / NDA
Vehicle Rental Platform
Rent a scooter or e-bike from an app: scan the QR, the physical lock opens over cellular, ride, park in a permitted zone, pay by the minute from a prepaid wallet.
Node.jsExpressMongoDBSocket.IOTCP
PRJ-003 / platform
Game Key Marketplace
A three-sided digital marketplace: a supplier catalogue of tens of thousands of listings, kept in sync, priced in local currency, sold through a payment gateway with automated key delivery.
Node.jsExpressMongoDBMarketplaceE-commerce
PRJ-004 / platform / NDA
Freelance Marketplace with Escrow
Two-sided marketplace for architecture and design work: the platform holds the money until delivery is confirmed, with bidding happening in real-time chat.
Node.jsExpressMongoDBSocket.IOMarketplace
PRJ-005 / saas
Multi-tenant Restaurant Platform
A complete restaurant operating system on one multi-tenant backend: customer ordering, driver dispatch, owner dashboard and point of sale.
Node.jsExpressMongoDBNext.jsReact
PRJ-006 / platform / NDA
Hardware Retail Platform with ERP Sync
Storefront, app and operations dashboard sitting in front of an external ERP, with data flowing both directions and staying consistent.
Node.jsExpressMongoDBE-commerceERP
PRJ-007 / platform / NDA
Tourism Discovery Platform
Find hotels, restaurants and attractions near you, ranked by real distance, across three separate venue types in one query.
Node.jsExpressMongoDBGeospatialGeoJSON
PRJ-008 / platform / NDA
E-commerce and ERP Backend
GraphQL commerce backend where the client rearranges their own storefront from the dashboard, over an inventory ledger with a single mutation point.
Node.jsExpressMongoDBGraphQLApollo Server
PRJ-009 / saas / NDA
Multi-tenant CMS and Billing Platform
One backend serving many client websites, each defining its own content types, its own team permissions and its own subscription.
Node.jsExpressMongoDBCMSMulti-tenant
PRJ-010 / platform / NDA
Omnichannel Retail with POS and Multi-Warehouse Inventory
Online orders and in-store till sales behind one order model, with stock tracked per warehouse.
Node.jsExpressMongoDBE-commercePOS
PRJ-011 / platform / NDA
Property Listing Platform
Property search with real geospatial querying, so location filters answer from the database rather than from application code.
Node.jsExpressMongoDBGeospatialGeoJSON
PRJ-012 / platform / NDA
Bookstore E-commerce over an Existing ERP
A storefront, admin dashboard and API sitting in front of the client existing ERP, which stays the source of truth.
Node.jsExpressMongoDBReactNext.js
PRJ-013 / platform / NDA
Luxury Vehicle Catalogue with 3D and AR
Inherited a TypeScript and SQL codebase, migrated the stack, and came out with fewer models and more capability.
Node.jsExpressMongoDBARi18n
PRJ-014 / platform / NDA
Retail Investment Fund Platform
Mobile-first investing: complete identity verification, get approved, put money into managed funds with a stated return, and watch profit accrue into an in-app wallet.
Node.jsExpressMongoDBFintechPayments
PRJ-015 / platform / NDA
Hotel PMS with Gym and Restaurant
One guest folio across three businesses on one site, so a hotel guest using the gym and the restaurant is a single account.
Node.jsExpressMongoDBReactERP
PRJ-016 / platform / NDA
Ceramics and Furniture Marketplace with AR
Multi-vendor marketplace where every supplier gets a storefront and the catalogue carries the material-specific attributes tiles and furniture actually need.
Node.jsExpressMongoDBReactMarketplace
PRJ-017 / platform / NDA
At-Home Medical Services Marketplace
Patients request nursing, physiotherapy or testing at home; verified professionals accept and deliver the visit.
Node.jsExpressMongoDBMarketplaceHealthcare
PRJ-018 / platform / NDA
Online Course Marketplace
Teachers publish video courses grouped by college, students buy through a gateway or in cash, and purchase unlocks the lectures.
Node.jsExpressMongoDBLMSPayments
PRJ-019 / platform
Event Ticketing Platform
Ticket booking for events and workshops, with QR-based validation at the door and local payment rails.
Node.jsExpressMongoDBVue.jsPayments
PRJ-020 / platform / NDA
School Timetabling System
Conflict-free timetable generation across grades, sections, teachers and subjects, using a language model constrained by a hard specification and checked by real code.
Node.jsExpressMongoDBOpenAI APIi18n
PRJ-021 / platform / NDA
Environmental Assessment Platform
A formal pollution-scoring instrument turned into an API: georeferenced water, air and land contamination cases scored against a defined criteria set.
Node.jsExpressMongoDBi18n
PRJ-022 / academic
Cipher Pipeline Platform
Chain cipher steps into a pipeline, encrypt or decrypt text, and review every intermediate stage. A cryptography course project built as a real application.
Node.jsExpressMongoDBVue.jsCryptography