Full-Stack Development Team or Agency Needed for Innovative Item-Selling Platform

About the Project
Our platform will allow users to sell items directly to us through:

A responsive and user-friendly front-end built on modern frameworks.
Robust API and backend functionality for secure operations.
A streamlined payment and tax processing system designed for compliance.
Scalable infrastructure to support future integrations with partner sites via widgets and iframes.
Scope of Work
Core Features
Front-End Development

Develop a responsive, cross-platform, and cross-browser compatible UI using React.js, Next.js, and JavaScript.
Search Integration

Implement ElasticSearch for fast, accurate search functionality.
User Account Management

Enable secure account creation, email notifications, and order updates.
Internal APIs

Build and document secure APIs to support platform operations and third-party integrations.
Order and Data Management

Create a robust system to manage user orders, track statuses, and allow internal staff to add notes.
Payment and Tax Processing

Integrate a marketplace payment solution for payouts.
Ensure compliance with tax reporting (e.g., 1099 forms) and sales tax calculation based on user location.
Compliance and Security

Adhere to data privacy laws and implement security measures like Captchas and IP blacklists.
Future Roadmap Features (v2)

Add live chat and ticket-based support.
Develop integrations for embedding widgets on partner websites.
Technology Stack
Frontend:
React.js, Next.js, JavaScript
Backend:
Python, AWS Lambda (Serverless Architecture)
Databases:
PostgreSQL, Redis, ElasticSearch
What We’re Looking For
1. Proven Expertise
Experience developing similar platforms or e-commerce functionalities.
Ability to provide case studies or portfolio examples showcasing success in delivering scalable and secure solutions.
2. Technical Mastery
Proficiency in ElasticSearch, FastAPI, and AWS Lambda.
Knowledge of Redis, PostgreSQL, SNS/SQS, API Gateway, and DynamoDB.
3. Compliance and Security Focus
Strong understanding of data privacy laws and handling sensitive information (e.g., tax forms).
Experience implementing robust security protocols.
4. Team Capabilities
A clear structure of roles and expertise within your team.
Strong project management practices for efficient delivery and communication.
What to Include in Your Proposal
Detailed Project Plan

Your approach to development, testing, and deployment.
Timeline and Milestones

Estimated delivery schedule with clear phases and milestones.
Portfolio of Relevant Projects

Showcase similar platforms or features you’ve built, with references or client testimonials.
Scalability and Security Strategy

Your plan for building a solution that is scalable, compliant, and secure.
Budget Breakdown

Transparent cost estimates for each phase of the project.
Evaluation Criteria
We’ll assess proposals based on:

Relevant experience with the required technology stack.
Portfolio quality and client feedback.
Ability to meet compliance and security requirements.
Alignment with our timeline and budget expectations.

Why Join This Project?
This is your chance to work on an innovative platform with a team that values expertise and collaboration. Your work will directly impact our growth, with opportunities to expand functionality and integrate cutting-edge technologies.

Ready to take on the challenge? We can’t wait to hear from you!