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I’m building an e-commerce app and now need a solid, production-ready database hosted on Subastack. The store will hold customer information, product details, and complete order history, so a well-planned relational structure is essential. Here’s what I’m expecting: • A relational schema that cleanly links customers, products, orders, and any supporting tables (think stock, categories, payment status). • Full setup on my Subastack project, including the necessary role-based security policies. • Sample seed data so I can immediately test the API endpoints from the app. • Clear hand-over notes or an ER diagram so future devs—and I—can extend the structure without surprises. If you’ve designed relational models for e-commerce before and are comfortable working inside Subastack’s dashboard, this should be straightforward. Let me know roughly how long you’ll need and any questions you have about the current codebase or naming conventions.
Project ID: 40686835
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The part that bites later in e-commerce schemas is order history, so I'd snapshot price, tax and product name onto order_line_items rather than joining live to products — past orders then stay accurate even after you rename items or change prices. I'd model customers, categories, products with variants and stock, orders, order_items and payment status as proper normalised tables with foreign keys and indexes on the columns your API actually filters on, delivered as versioned SQL migrations so nothing lives only in a dashboard. Row-level security policies would let each customer read only their own orders while service-role access stays server-side, plus seed data and an ER diagram with hand-over notes. Happy to start right away — just send me your current naming conventions.
$30 USD in 1 day
6.8
6.8
122 freelancers are bidding on average $142 USD for this job

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in API Development, Database Development, Database Design, Relational Databases As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen
$140 USD in 10 days
6.5
6.5

Hi, I can design and set up a production-ready relational database for your e-commerce app on Supabase, including customers, products, categories, inventory, orders, payments, RLS policies, and seed data. I’ll also provide an ER diagram and clear documentation for future development. I can review your existing codebase and naming conventions to ensure everything integrates cleanly with your API.
$140 USD in 7 days
6.3
6.3

Hi, I can design and implement a production-ready relational database for your e-commerce app on Supabase, with properly structured relationships between customers, products, categories, inventory, orders, payments, and order items. I’ll configure role-based security policies, prepare practical seed data for API testing, and provide an ER diagram with clear documentation so the schema remains easy to maintain and extend as the application grows. A few questions: * Do you already have an existing application schema or models that the database naming conventions should align with? * Which user roles require database access beyond standard customers, such as administrators, vendors, or inventory managers? * Should payment records support multiple payment attempts, refunds, and different payment providers from the initial schema? Best regards, Muhammad Usman
$145 USD in 4 days
6.0
6.0

Hi, I reviewed your request to set up a production-ready Subastack e-commerce database with a relational schema for customers, products, orders, and supporting tables like stock, categories, and payment status. I’ll design the Database Design for Data Management using Relational Databases principles, create clean table relationships, implement role-based security policies in your Subastack project, and add seed data to test your API endpoints right away. You’ll get reliable structure, clean organization with clear ER-style hand-over notes, and easy future extension. Let’s discuss here now.
$150 USD in 7 days
5.9
5.9

Hi there, I understand that you need a production-ready relational database for your e-commerce app, hosted and secured within your Subastack project. I’m confident I can design a clean, scalable structure that supports customers, products, inventory and complete order history while remaining straightforward for your API and future developers to work with. My approach is to first review the existing codebase, API requirements and naming conventions to define the data model correctly. Next, I’ll design the relational schema with normalized tables, primary and foreign keys, indexes and appropriate constraints covering customers, products, categories, inventory, orders, order items and payment/order status. Then, I’ll implement the schema in Subastack, configure role-based access policies and permissions, and add realistic seed data for immediate API testing. Finally, I’ll validate relationships, security rules and CRUD/API access scenarios before documenting the structure and providing an ER diagram for handover. You will receive a fully configured Subastack database with relational tables, security policies, seed data, validation, ER diagram and clear handover documentation. Could you share the current codebase or API structure and confirm whether Subastack refers to Supabase? I’m ready to start immediately. Warm Regards, Aneesa.
$100 USD in 1 day
5.8
5.8

Hi, ★★★ Subastack SPECIALIST ★★★ To create a production-ready database for your e-commerce app, I will design a relational schema that effectively links customers, products, orders, and supporting tables like stock and categories. I will ensure that the database is optimized for performance and scalability. I will set up the database on your Subastack project, implementing role-based security policies to protect sensitive data. Additionally, I will provide sample seed data to facilitate immediate testing of the API endpoints from your app. To ensure a smooth transition for future developers, I will include clear hand-over notes and an ER diagram that outlines the database structure. This will help in extending the schema without any surprises. To get started, I will need access to your Subastack dashboard and any existing documentation on the current codebase or naming conventions. Thanks!
$70 USD in 3 days
5.4
5.4

Hi There, I have strong experience with relational database design, e-commerce schemas, PostgreSQL-style databases, API-ready structures, role-based access policies, and seed/test data. I can design and set up the complete database covering customers, products, categories, inventory, orders, order items, payments, and supporting relationships, then configure appropriate security policies and provide sample data plus an ER diagram/handover guide. I can typically complete the initial database structure and testing within **1 days**, depending on the existing codebase and exact requirements. I’m ready to start immediately.
$30 USD in 1 day
5.4
5.4

Creating a solid, production-ready database for your e-commerce app is right up my alley. With vast experience in designing relational models for e-commerce and a deep understanding of Subastack's dashboard, I assure you a database setup that will meet and exceed your expectations. My work philosophy centers around clarity, strategy, and execution at every stage of development which are perfect for a project of this nature. My knowledge of technologies such as MySQL, PHP / Laravel, Python, and n8n combined with my skills in API Development and Data Management makes me highly capable of providing you with the relational schema you're seeking. My solutions are efficient, reliable, scalable while prioritizing long-term growth which aligns perfectly with your vision. Lastly, my commitment to lasting client relationships means that after setting up the flawless DB on Subastack in line with all your requirements, I will also provide clear hand-over notes or an ER diagram so future devs and yourself can have a seamless time extending the structure without any surprises. Together we can build technology that solves real-world problems for your business and grows with it. Let's discuss further!
$32 USD in 3 days
4.9
4.9

Hi, I can design and set up a production-ready relational e-commerce database on Subastack, including customers, products, categories, inventory, orders, payments, role-based security policies and seed data. I’ll also provide ER documentation and clear handover notes so the database is easy to maintain and extend. I can complete the setup efficiently and align everything with your existing API/codebase. Best Regards, Shakila Na
$50 USD in 3 days
4.6
4.6

Linking your Subastack e-commerce store's customers, products, orders, and order history into a schema future devs can extend without surprises. Here is exactly what I will build: Schema: customers, products, categories, orders, order_items, stock, and payment_status as normalized tables with enforced foreign keys. I will use surrogate UUID primary keys rather than serial integers — this matters because your Subastack API exposes IDs publicly, and sequential integers let anyone enumerate records. RLS Policies: anon, authenticated, and admin roles scoped tightly — customers see only their own orders, admin sees everything, no exceptions leak through. Seed Data: representative records across every table so you can test the full order flow and payment status filters immediately against your API endpoints. Handover: an ER diagram plus naming convention notes so the structure can be extended cleanly. One problem worth flagging now: e-commerce schemas often hit trouble when a product's price changes after an order is placed. I will store a snapshot price in order_items at insert time so your order history stays accurate regardless of future catalog edits. Timeline: 2 days. Fixed price: USD 126. Does your app authenticate users through Subastack's built-in auth, or are you managing identity externally — because that determines the RLS policy structure from the first migration?
$126 USD in 2 days
4.5
4.5

Hi, Your e-commerce app needs a clean relational database that can support customers, products, orders, stock, categories, and payment status without becoming hard to maintain. I’ve built production-ready schemas for online stores before, including Postgres setups with foreign keys, seed data, and role-based access rules. I’m comfortable working directly in a dashboard environment and documenting the structure clearly for future updates. I’d start by mapping the core entities and relationships, then implement the schema, security policies, and sample data in Subastack. I’d also prepare hand-over notes or an ER diagram so the model is easy to extend later. If you’d like, I can get this set up quickly and keep the structure simple, stable, and ready for API testing. Best regards, Gabriel
$250 USD in 5 days
3.8
3.8

Hi, I'm Denis, a developer who has set up several relational databases for e-commerce systems, including order tracking and customer/product relationships. I understand you need a clean, production-ready relational schema on Subastack that links customers, products, orders, stock, categories, and payment status while ensuring proper role-based security. Seed data to test your API endpoints and clear documentation like an ER diagram will be included. I’d start by reviewing your existing codebase and naming conventions to align the schema closely with your app’s needs. Then I’d design the tables with proper indexes, constraints, and foreign keys to keep queries efficient and data consistent. Once the schema is stable, I’ll set up the Subastack environment, configure security policies, and seed realistic sample data so your API can be tested immediately. The final handover will include the ER diagram and concise notes for future extensions. The main risks here are unclear naming conventions or existing constraints in your codebase that might complicate the schema. I’ll validate those upfront and adjust the design early to avoid rework. I can start working right away. Let's connect and discuss the details. Thanks, Denis.
$150 USD in 3 days
3.8
3.8

I’ve built and deployed relational e-commerce schemas on Supabase (similar relational stack) before, so this is straightforward. I’ll map customers, products, orders, inventory, categories, and payment status into normalized tables with foreign keys and constraints, set up row-level security policies in Supabase, seed realistic test data via SQL scripts, and export a quick ER diagram in PNG format. The schema enforces referential integrity and supports standard e-commerce queries out of the box. I’ll hand over a minimal README with connection strings and policy rules. I can start immediately. Thanks, Andrii.
$150 USD in 4 days
4.0
4.0

Hello!! I understand you need a production-ready relational database for your e-commerce app on Subastack, connecting customers, products, categories, inventory, orders, and payment status with proper security and API-ready seed data. * Do you already have the current application tables or naming conventions? * Will customers and administrators need different access levels? * Do you have any existing product and order data to preserve? The database will be structured for reliability and future growth, with clean relationships, appropriate indexes, role-based security policies, and realistic seed data for immediate API testing. An ER diagram and clear handover notes will also make future changes much easier. Relevant e-commerce database and API projects have been completed with scalable relational models, secure access rules, and clean documentation. The goal is a structure that works smoothly today and remains easy to extend tomorrow. Happy to review your current setup and discuss the estimated timeline. Best regards Farhin B
$110 USD in 2 days
3.9
3.9

Hello, With my proven expertise in data modeling and database development, your Subastack e-commerce project will be in safe hands. I've been creating and maintaining robust databases for over 8 years, ensuring they're not only well-structured but also secure and scalable. Given your unique requirements for customer information, product details, orders, stock, categories, payment status, and more, I'm confident in my ability to architect a relational schema that seamlessly links these entities. Additionally, I'm no stranger to implementing such solutions within specific platforms like Subastack. I understand their nuances and intricacies - a crucial element for delivering database projects tailored specifically to the platform’s requirements. Upon project completion, you can expect more than just a functional database. I'll provide comprehensive hand-over notes along with an Entity-Relationship (ER) diagram that gives clear insights into the structure and relationships of all crucial entities. In addition, I'll even create sample seed data for immediate testing of your API endpoints in the app. Consider partnering with me for your e-commerce database needs; together we'll build a resilient solution that caters to your present needs while also being forward-compatible for future enhancements with no surprises. Thanks!
$250 USD in 4 days
3.5
3.5

Hello, I see that you're looking to set up a solid, production-ready database for your e-commerce app on Subastack. It’s crucial to have a well-structured relational schema to efficiently link customers, products, orders, and other related tables. I can help you design a clear relational model that meets these needs. I’ll ensure the database includes role-based security policies and provide sample seed data for testing your API endpoints. Additionally, I will create clear hand-over notes and an ER diagram, making it easier for you and future developers to extend the structure down the line. My experience in designing relational databases for e-commerce will allow me to tackle this project effectively, ensuring everything runs smoothly on Subastack. Best regards, Muhammad Arshman
$200 USD in 4 days
3.6
3.6

Hello, As a result of a detailed review of your project requirements, I fully understand the scope: designing a production-ready relational database for an e-commerce app, including customers, products, inventory, orders, payments, security policies, and test data. I have experience with PostgreSQL, relational data modeling, API-oriented database design, role-based access control, indexing, constraints, migrations, and e-commerce schemas, and I'm available to start right away. In my opinion, the key challenge is getting the relationships and constraints right from the beginning so order history remains immutable while stock, payment status, and product information can evolve safely. I would design a normalized schema with customers, products, variants, categories, inventory, orders, order_items, payments, and status/history tables, then configure RLS/security policies, indexes, foreign keys, seed data, and API-ready relationships. I’ll also provide an ER diagram and clear handover notes. I have a couple of quick questions. • Did you mean Supabase rather than “Subastack”? • Does your existing app already define product variants and order-status conventions? Estimated delivery: 2–4 days depending on the current codebase. Best regards, Carlos.
$30 USD in 7 days
3.7
3.7

Hello! I’ve built production-ready e-commerce databases with relational schemas covering customers, products, inventory, categories, orders, payments, and order history. I’m experienced with PostgreSQL, data modeling, API-ready structures, security policies, and seed data. I’ll design a clean normalized schema, configure it in your Subastack project, add role-based access policies, and prepare test data for your app endpoints. I’ll also provide an ER diagram and handover notes. Before setup, I’ll review your current codebase and preferred table/field naming conventions so the database matches your application cleanly. Timeline: 3 days I’m available to start immediately. I’ll follow your existing architecture and suggestions carefully, and I’d be happy to support the project long term as the e-commerce app grows. Thanks
$200 USD in 3 days
3.4
3.4

Your database needs to handle real transactions cleanly, not just store product rows. I would design proper normalized tables for orders, inventory, and users, set foreign keys and indexes right, then deploy it on Subastack myself. Can start today, done in 2 to 3 days. Budget and timeline here are rough based on the post, we will lock in real numbers once I see your data model. Want me to send a quick scope doc?
$150 USD in 4 days
3.2
3.2

Hi, I can design and configure a production-ready relational database for your e-commerce app, covering customers, products, categories, inventory, orders, payments, and clean relationships between them. I’ll set everything up in your Subastack project with appropriate role-based security policies, realistic seed data, and API-ready structures for immediate testing. I’ll also provide clear handover documentation and an ER diagram so the schema remains easy to maintain and extend. Looking forward for your positive response in the chatbox. Best Regards, Hunain M
$140 USD in 3 days
2.9
2.9

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