Problem, approach, outcome, and the architecture decisions with their tradeoffs. Filter stacks combine: pick two tags to see projects using both.
Delivery drivers work for hours with no connectivity, then sync. The hard problem is not the sync, it is what happens when the field and the office disagree.
A pharmacy management system that keeps selling when the internet drops, then reconciles every till operation exactly once when it returns.
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.
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.
Two-sided marketplace for architecture and design work: the platform holds the money until delivery is confirmed, with bidding happening in real-time chat.
A complete restaurant operating system on one multi-tenant backend: customer ordering, driver dispatch, owner dashboard and point of sale.
Storefront, app and operations dashboard sitting in front of an external ERP, with data flowing both directions and staying consistent.
Find hotels, restaurants and attractions near you, ranked by real distance, across three separate venue types in one query.
GraphQL commerce backend where the client rearranges their own storefront from the dashboard, over an inventory ledger with a single mutation point.
One backend serving many client websites, each defining its own content types, its own team permissions and its own subscription.
Online orders and in-store till sales behind one order model, with stock tracked per warehouse.
Property search with real geospatial querying, so location filters answer from the database rather than from application code.
A storefront, admin dashboard and API sitting in front of the client existing ERP, which stays the source of truth.
Inherited a TypeScript and SQL codebase, migrated the stack, and came out with fewer models and more capability.
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.
One guest folio across three businesses on one site, so a hotel guest using the gym and the restaurant is a single account.
Multi-vendor marketplace where every supplier gets a storefront and the catalogue carries the material-specific attributes tiles and furniture actually need.
Patients request nursing, physiotherapy or testing at home; verified professionals accept and deliver the visit.
Teachers publish video courses grouped by college, students buy through a gateway or in cash, and purchase unlocks the lectures.
Ticket booking for events and workshops, with QR-based validation at the door and local payment rails.
Conflict-free timetable generation across grades, sections, teachers and subjects, using a language model constrained by a hard specification and checked by real code.
A PDF of study material in, a narrated twenty-minute lecture video out.
A formal pollution-scoring instrument turned into an API: georeferenced water, air and land contamination cases scored against a defined criteria set.
Chain cipher steps into a pipeline, encrypt or decrypt text, and review every intermediate stage. A cryptography course project built as a real application.