Sneaker Marketplace Comparison App

Project Title

Sneaker Price Comparison App + Dewu English Version

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Project Description

I am looking for an experienced developer or team to build a sneaker price comparison app that aggregates and compares product data across major sneaker marketplaces and official brand stores.

The app will also include English translation support for Dewu (Poizon) listings.

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Main Objectives

1. Compare sneaker prices across these sources:
• Dewu (Poizon)
• Tmall
• JD.com
• Atmos
• Official brand stores (Nike, Adidas, New Balance) in Singapore and Thailand

2. Provide accurate pricing in multiple currencies (CNY, USD, SGD, THB).

3. Translate Dewu product listings into English for easier reference.

4. Display stock availability and product images.

5. Enable search by model, SKU, or keywords.

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Key Features
• Search Function: Users can search sneakers by keyword, model, or SKU.
• Data Aggregation: Retrieve live pricing, sizes, and availability from all target platforms.
• Translation: Automatically translate Chinese text (titles, descriptions) into English.
• Currency Conversion: Convert prices using live exchange rates.
• Product Details Page: Show photos, specs, and purchase links.
• Price Alerts (Optional): Notify users when a price drops below a threshold.
• Admin Panel (Optional): Manage data sources, translations, and settings.

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Technical Requirements
• Backend: Python (Flask or FastAPI) preferred, or Node.js.
• Frontend: Web (React) or Mobile (Flutter).
• Database: PostgreSQL or MongoDB.
• Scraping: Experience with Playwright, Puppeteer, or similar tools to collect data.
• Translation API: Google Cloud Translation or equivalent.
• Deployment: AWS, GCP, or any modern cloud provider.
• Security: Use proxies and anti-bot strategies to avoid IP bans when scraping.
• Documentation: Clear instructions and code documentation are mandatory.

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Skills & Experience Needed

1. Strong experience with web scraping and API reverse-engineering (especially Chinese e-commerce).
2. Ability to build scalable backends and clean, modern frontends.
3. Familiarity with multi-language apps and translation workflows.
4. Experience handling currency conversion and dynamic price updates.
5. (Preferred) Knowledge of sneaker marketplaces like Dewu, Tmall, JD.

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Deliverables
• Fully functional app with all features described above.
• Source code with clear documentation.
• Setup guide for deployment.
• 2–3 months of post-launch support for bug fixes.

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Budget & Timeline
• Budget: Open to proposals; please provide an estimated quote.
• Timeline: Ideally delivered within 8–12 weeks.

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How to Apply

Please include:
• A short introduction about you or your team.
• Links to similar projects or scraping tools you’ve built.
• A brief outline of how you plan to tackle data aggregation and translation.
• Estimated timeline and budget.
• Any questions or clarifications you need.

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Note: This project involves scraping platforms that may not offer public APIs. Please confirm you understand the associated technical and legal considerations before applying.