Python/Django Developer Needed for Inventory Management Web App

@shrec

Hi, I’d start by mapping the existing PostgreSQL schema into Django models carefully, using the current tables and data as the source of truth so nothing is altered or disrupted. From there, I’d build the Django REST Framework API around authentication, role-based access, inventory CRUD, and the create/pick/pack/reconcile stock workflows. I’d keep the API responses consistent and RESTful, with proper validation, permissions, status codes, and transaction handling for stock movements. Swagger/OpenAPI documentation and a Postman collection would make the routes straightforward for your in-house developers to integrate with the nearly finished dashboard. I’d also include the environment configuration, deployment README, and focused unit tests covering the key inventory and authentication flows. Happy to review the PostgreSQL schema and UI repository to confirm the integration approach. Best, Ivane

@ZohaibRoy

⭐⭐⭐⭐⭐ Build a Custom Inventory Management App with Python/Django ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for an experienced Python/Django developer. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for inventory management systems. I will map your existing PostgreSQL schema into Django models and implement secure user authentication, all while ensuring seamless integration with your frontend. ➡️ Why Me? I can easily build your inventory management application as I have 5 years of experience in Python and Django development, specializing in backend integrations, database management, and API creation. Additionally, I have a strong grip on PostgreSQL and RESTful services, ensuring a smooth workflow for your project. ➡️ Let's have a quick chat to discuss your project in detail. I can provide samples of my previous work to showcase my skills. Looking forward to our conversation! ➡️ Skills & Experience: ✅ Python Development ✅ Django Framework ✅ PostgreSQL Management ✅ RESTful API Development ✅ User Authentication ✅ Inventory Management ✅ Database Design ✅ API Documentation ✅ Frontend Integration ✅ Unit Testing ✅ JSON Handling ✅ Version Control (Git) Waiting for your response! Best Regards, Zohaib

@gutibs

Hi! We can take this on without hesitation — the groundwork already done on your end actually makes this a cleaner engagement than most. One thing I need before committing to a firm scope: what does the existing schema look like in terms of normalization and naming conventions? The reason it matters is that mapping live tables into Django models without touching underlying data requires working out relationships, field types, and any custom logic against what's already there. If conventions are standard it's straightforward; if there are quirks or denormalized structures, the modeling layer needs more thought upfront. A rough outline of the main tables would let me give you a much more accurate scope. On how we'd approach the build: DRF with a clear separation between auth, inventory, and movement/reconciliation logic. Token-based auth — Simple JWT or DRF's built-in depending on your session requirements — with role-based permission classes at the view level and no unprotected routes. Stock movements would be logged as distinct operations rather than plain updates, which makes reconciliation and audit trails reliable by design. Swagger via drf-spectacular is our default for API docs: it generates from the code, stays in sync automatically, and produces a Postman-importable spec. The JSON response layer wires cleanly to the dashboard you're providing. Looking forward to seeing the schema and UI repo when you're ready to share. Gustavo & the DoTheCode team

@OutsourceMan

Hello, We can build the Django backend around your existing PostgreSQL database and integrate it with the nearly completed frontend without disrupting live data. Our approach: * Review the existing PostgreSQL schema, relationships, constraints, and current data before making changes. * Map the existing tables into Django models carefully, avoiding unnecessary migrations or structural changes. * Build Django REST Framework APIs for inventory CRUD, picking, packing, reconciliation, and stock movements. * Implement secure authentication with role-based access and protected API routes. * Return clean, consistent JSON responses with proper validation and REST status codes. * Integrate the APIs with your existing dashboard UI for dynamic inventory views. * Document endpoints using Swagger/OpenAPI and provide a Postman collection for testing. * Add unit tests covering authentication, permissions, inventory operations, and stock-movement logic. * Configure environment variables and provide a clear README for local setup and deployment. * Test against the existing production data structure to minimize risk before handover. We’ll keep the backend modular and maintainable so your in-house developer can extend it easily. Regards, Chanchal CnEL India

@ahmadayaz

I am experienced in Python, Django, and PostgreSQL to build your custom inventory management web app. I will map your PostgreSQL schema to Django models, implement secure authentication, role-based access, and inventory tracking endpoints. Deliverables include Django project, authentication module, API documentation, and setup instructions. The solution will adhere to REST conventions, ensure data integrity, and include basic unit tests. I am committed to prompt communication and timely delivery for project success. Let's collaborate to create a cutting-edge inventory management system for your logistics company.

@p4logics

Hello Sir, You need a custom Django backend for your logistics inventory application that safely connects to your already populated PostgreSQL database. I will use Django REST Framework to map your existing schema without breaking current data, and build standard REST APIs with secure token-based authentication for staff roles and real-time stock tracking. To deliver a complete solution, I will wire the backend to your ready UI, provide clear Swagger API documentation and a Postman collection, and ensure the code is fully unit-tested for a smooth launch.

@alihassan321

Drawing on over a decade of experience in Full-stack Web Development, I position myself as the perfect match for your project. In line with the work outlined, my proficiency in Python and Django will ensure smooth integration with the frontend UI and PostgreSQL databases. Particularly, my competency with Django REST Framework resonates with your backend needs as I have employed it on several projects. Dotting my i's and crossing my t's is part of my modus operandi. I guarantee that both existing tables and data will remain untouched during all phases of development to avoid any disruptions. With emphasis on API documentation, which you've indicated is essential, I will provide concise and comprehensible Swagger/OpenAPI documentation that aids your in-house devs’ consumption of the developed routes. Beyond this project, I am committed to establishing long-term support for each job I undertake which guarantees continued monitoring, maintenance, and assistance even after the delivery is completed. To culminate: An experienced developer who delivers quality django/python web solutions skillfully integrating with existing front-end designs using interactive APIs suited to further development by your team.

@naminghn

Hi there, the existing PostgreSQL setup is a great starting point for your Django backend. I can help you map the current database schema into Django models while ensuring that we do not disrupt any existing tables. Implementing secure role-based user authentication and creating real-time inventory tracking endpoints to facilitate stock management are right in my wheelhouse. To ensure clear documentation, I will provide a Postman collection for your in-house development team and maintain REST conventions throughout. Before we proceed, could you clarify if you have any specific requirements for the authentication method? Also, will you be providing the Swagger/OpenAPI documentation template? Happy to discuss further and outline the best approach. Looking forward to your response. Ali

@denisSolution

Hi, I'm Denis, a full-stack developer with extensive experience building Django REST APIs connected to production PostgreSQL databases—exactly what you need. Your situation is clear: you have live data in PostgreSQL, a nearly finished frontend, and need a reliable backend without disrupting what's working. That's my specialty. Here's my approach: First, I'll review your schema and design Django models that map cleanly to your current tables without risky migrations. Then I'll build token-based authentication with role-based permissions for secure staff access. The core work is the inventory endpoints—create, update, pick, pack, and reconcile operations need to handle concurrent requests reliably, so I'll design them carefully with appropriate database-level locking. Once the endpoints are solid, I'll connect them to your frontend with clean JSON responses and generate OpenAPI documentation so your team understands each route's parameters and function. The main technical consideration is managing concurrent stock movements. Multiple staff members picking or packing simultaneously could compromise accuracy. I'll handle this through database-level constraints and transaction management, keeping performance high. One realistic risk: your schema might have quirks that only surface during implementation. I'll mitigate this with detailed schema review upfront and clarifying questions early on. I'm ready to start immediately. Let's discuss the details. Thanks, Denis.

@ozbas

As an experienced Full-Stack developer with a passion for creating efficient and reliable backend systems, I firmly believe I am the skilled professional you need to bring your inventory management web application to life. With my proficient knowledge in Python, Django, JavaScript and PostgreSQL, alongside my familiarity with Django REST Framework, I can seamlessly implement the necessary features and endpoints you require for real-time stock management. Having worked on numerous projects involving database schema mapping and integration without disrupting existing data, I guarantee the smooth transition of your already-populated PostgreSQL instance into the Django models we will create. Concerning authentication for role-based access, rest assured that I will deliver a secure user management system through token or session-based authentication while ensuring unauthorized access is blocked. Moreover, my previous experience in integrating third-party APIs and providing comprehensible documentation aligns perfectly with your needs for a succinct API explanation and a Postman collection to facilitate future work by your in-house developers. Overall, I'm committed to delivering robust code that adheres to REST conventions and passes all unit tests with flying colors. Give me the opportunity, and together we'll build a powerful application that meets your business's specific inventory tracking requirements. Let's discuss and get started today!

@vishal1145

Your PostgreSQL schema is already live with real data, which means any ORM mapping error will corrupt production records or cause downtime during the cutover. I've migrated legacy databases into Django without touching existing tables by using managed=False models and custom migrations that validate schema compatibility before deployment. Quick questions - are you running row-level locking on inventory updates to prevent overselling during concurrent picks? And do you need audit trails showing who modified stock quantities and when? Here is the architectural approach: - DJANGO REST FRAMEWORK: Build token-based auth with permission classes that enforce role-based access at the view level, preventing unauthorized stock adjustments. - POSTGRESQL: Map your existing schema using inspectdb then refine models with db_table and managed=False to avoid ALTER TABLE commands that lock production tables. - API DEVELOPMENT: Design inventory endpoints with atomic transactions so pick-pack-reconcile operations either complete fully or roll back, eliminating partial updates that break stock counts. I've built similar logistics backends for 2 fulfillment companies processing 10K+ daily transactions. Let's schedule a 20-minute call to review your schema and confirm the auth flow before I start the build.

@toriquldev123

Dear Client, I’m Md Toriqul Islam, an experienced full-stack developer with 10+ years of experience in Python, Django, REST APIs, and PostgreSQL. I have a few questions: 1. Which Django version do you prefer? 2. Is the PostgreSQL schema fully documented? 3. Do you prefer JWT or session authentication? I understand you need Django REST Framework integrated with your existing PostgreSQL data, secure role-based authentication, inventory workflows, documented APIs, and your nearly finished dashboard UI. My skills in Python, Django, DRF, PostgreSQL, REST APIs, authentication, unit testing, and JSON integration match this project well. I’ll carefully map existing tables without disruption, build tested inventory endpoints, provide Swagger/Postman documentation, and prepare clear setup and deployment instructions. Best regards, Md Toriqul Islam

@onkarkulkarni8

Hello, I can help you with "Python/Django Developer Needed for Inventory Management Web App" as per your given set of instructions. Please get in touch to discuss more in detail and start with the initial discusssion. I usually work in small milestones, keep the code organized, and provide regular updates so changes are easy to review. Let's discuss the current setup. I'll suggest the best implementation and an accurate timeline. ⭐ 5.0/5 from a recent client: "A more professional version: “Excellent work! The job was completed within the committed timeline. Great quality, professionalism, and timely delivery. Highly appreciated and recommended.”" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.

@sumitsthakur

I understand your need for a Django/Python developer to build your inventory management backend with PostgreSQL integration. My experience aligns well with your requirements: I'll map your existing schema to Django models without disrupting data, implement secure role-based authentication, develop RESTful inventory endpoints for real-time tracking, and integrate with your frontend dashboard via JSON. I'll ensure all endpoints follow REST conventions with proper status codes and provide comprehensive OpenAPI documentation. The deliverables will include the Django project with DRF, auth module, inventory CRUD and movement logic, environment setup, and Postman collections. My approach prioritizes clean code, security, and seamless integration with your existing PostgreSQL data and UI components. Let's discuss the schema and UI details to get started efficiently.

@ssquare489

Because your PostgreSQL database is already live and the frontend is 90% complete, I’d treat the existing schema as the source of truth and build Django around it rather than forcing migrations onto production tables. I’d use Python 3 + Django REST Framework, map legacy tables with inspectdb and unmanaged models where appropriate, and keep new auth/audit tables isolated. My two priorities would be clean implementation and maintainability: role-based permissions, consistent serializers, OpenAPI docs, and versioned endpoints will make handoff easy for your in-house team, while stock movements use atomic transactions and row locking so create, pick, pack, and reconcile actions don’t corrupt quantities under concurrent use. I can wire the DRF API into your existing dashboard, return JSON for dynamic views, add protected auth flows, unit tests for inventory logic, Swagger/OpenAPI, Postman collections, env setup, and deployment documentation. I’d also review indexes and query patterns before touching production. A relevant example is MofiBasket, where I built inventory, stock, purchasing, delivery tracking, and operational workflows for an e-commerce platform.

@CodeAnchors

Greetings, I hope this message finds you well. I have carefully reviewed your project requirements for the development of an Inventory Management Web App using Python and Django. With my expertise in Python, Django, PostgreSQL, and backend development, I am confident in my ability to seamlessly map the PostgreSQL schema into Django models, implement secure user authentication, and build efficient inventory tracking endpoints. My portfolio ⭐⭐ https://www.freelancer.com/u/CodeAnchors ⭐⭐ showcases my successful projects in Python, Django, and API development, highlighting my commitment to delivering reliable solutions with a focus on long-term results. Before we proceed, could you please clarify your top priority or key business goal for this project? I am eager to discuss the project details further and finalize the scope to ensure a smooth and efficient development process. Feel free to initiate a chat at your convenience. Best regards, Muhammad Anas Khan

@raheel2k29

Hello, I’m an experienced Python/Django developer and can build the backend for your inventory management application while integrating cleanly with the existing frontend and production PostgreSQL database. I understand that the most important part of this project is working safely with your existing live schema and data without making disruptive changes. Your existing frontend is already 90% complete, so I’ll focus on the backend/API layer and the necessary integration rather than rebuilding the UI. I can start by reviewing the PostgreSQL schema and frontend repository, then establish the Django models and authentication layer before implementing the inventory workflows. I’m ready to get started and can move quickly once you provide the schema and UI repository. Best regards, Raheel

@mayankinnovative

I understand you need a Django REST backend integrated with your nearly finished UI while safely working with an existing production PostgreSQL database—without altering or disrupting live tables or data. I can map the existing schema into Django models using an integration-first approach, build secure authentication and role-based access, and develop RESTful inventory APIs covering create, update, pick, pack, reconciliation, and real-time stock movements. Protected routes will enforce authentication and permissions consistently. I’ll use Python 3.x, Django, Django REST Framework and PostgreSQL, with clean JSON responses designed around your existing dashboard. Swagger/OpenAPI documentation and a Postman collection will make every endpoint easy for your in-house team to consume and test. I’ll include environment configuration, deployment README, meaningful unit tests, proper status codes, validation and error handling. Before handoff, I’ll verify API behavior, permissions, database compatibility, and regression safety against the existing data. I’m ready to start as soon as you share the schema and UI repository.

@C0RETECHIES

Hello, System understanding: You need a Django REST API that maps your existing PostgreSQL schema without altering tables, adds role‑based auth, provides CRUD endpoints for inventory movements (create, update, pick, pack, reconcile), and serves JSON to your near‑complete HTML/CSS dashboard. Swagger docs and a Postman collection are required for your team’s consumption. Technical approach: Use Django 4.x with DRF, inspectdb to generate models from the live DB, then manual tweaks to keep tables intact. JWT authentication via djangorestframework-simplejwt, with groups/permissions for staff roles. ViewSets for inventory items and stock‑movement logs, wrapped in @api_view for custom actions. Serve JSON; frontend consumes via fetch. Add drf-yasg for OpenAPI UI. Deploy with gunicorn behind nginx, using .env for DB credentials. Core modules: 1) Auth & RBAC (login, refresh, logout, user/group mgmt). 2) Inventory model mapper (inspectdb + custom fields). 3) Stock movement endpoints (create, update, list, pick/pack/reconcile actions). 4) API documentation (Swagger UI, Postman export). 5) Settings & env sample for local/dev. Relevant systems: Bison360 - AI‑Powered ERP (Spring Boot/React/Flutter/PostgreSQL) - similar inventory + auth complexity; OurCap - employee self‑service (Spring Boot/Flutter/MySQL) - role‑based secure APIs; ThoughtIn - offline‑first parcel delivery (Spring Boot/Flutter/MySQL) - real‑time stock sync logic. Implementation strategy: Week 1 - model generation, auth scaffolding, basic CRUD; Week 2 - movement logic, permissions, Swagger, Postman; Week 3 - integration with provided UI, testing, README, final handover. MVP after week 1 for early feedback. Questions: 1) Are there any specific inventory transaction types beyond pick/pack/reconcile that need custom endpoints? 2) Do you prefer JWT token auth or session‑based login for the staff portal? 3) Should the API be versioned (e.g., /api/v1/) from the start, or is a single version sufficient? Regards, Rohit