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g-builder-0/README.md

Graham

Django REST Framework developer specializing in logistics and supply chain APIs.

I'm building toward backend roles at logistics API companies — the kind that abstract carrier integrations, warehouse operations, and reverse logistics into clean developer-facing APIs. My background is in warehouse and retail operations, which informs how I model the domain problems these systems are solving.

Projects

shippo-clone

Multi-carrier shipping rate API modeled after Shippo. A single endpoint fans out across FedEx, UPS, and USPS simulators using a shared carrier abstraction layer, persists each rate, and returns them sorted cheapest-first.

happy-returns-clone

Reverse logistics API modeled after Happy Returns. Covers the full return lifecycle across multiple merchant tenants, with object-level permissions enforcing data isolation and a webhook delivery system with retry tracking and HMAC signatures.

fishbowl-clone

Warehouse management API modeled after Fishbowl Inventory. Tracks inventory movement through an immutable transaction audit trail across six operation types: receive, ship, adjust, transfer, and cycle count.

Stack

Python · Django · Django REST Framework · SQLite (dev) · PyCharm · GitHub

Pinned Loading

  1. shippo-clone shippo-clone Public

    Django REST Framework shipping rate API

    Python

  2. happy-returns-clone happy-returns-clone Public

    Returns management API for e-commerce platforms using Django REST Framework

    Python

  3. fishbowl-clone fishbowl-clone Public

    Django REST Framework implementation of Fishbowl warehouse management system

    Python

  4. netbox netbox Public

    Forked from netbox-community/netbox

    The premier source of truth powering network automation. Open source under Apache 2. Try NetBox Cloud free: https://netboxlabs.com/products/free-netbox-cloud/

    Python