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 / 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-004 / 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-005 / 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-006 / 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-007 / 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-008 / 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-009 / 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-010 / 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-011 / 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