Creation of a B2B platform

I will do it qualitatively and quickly, you will be satisfied with the result. Contact me.

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Hello!
I am interested in your task to create a B2B marketplace with subscriptions, auctions, multimedia, AI modules, and verification.
I am ready to implement it on Next.js (front) + Node.js/NestJS (back) + PostgreSQL with Stripe, multilingual support, roles, and basic verification.
Write to me, and we will discuss the details!

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Hello, my name is Yulia.
I have been engaged in website development and promotion for over 10 years, creating stunning products for my clients.
Websites of any complexity and design, online stores, corporate websites, landing pages.
I perform SEO promotion of websites with high quality.
I am currently specializing in development - OpenCart, WP, Laravel.
I can help solve any issues.
Also, I create Telegram bots, CRM systems, and more.
I work officially under a contract with an individual entrepreneur.
I have over 250 satisfied clients.

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Hello.
I have carefully studied your technical assignment.
The scale of the project corresponds to the level of a B2B marketplace with multimedia, multi-domain capabilities, auctions, subscriptions, AI modules, and a verification system. Such platforms are usually developed by a team and require architectural planning to ensure scalability and security.
I work with the Laravel / Vue / React stack and can take on the first key stage — the development of the architecture and MVP, based on your technical assignment:
What I can accomplish as a single developer:
• formalization of requirements, clarification of all modules,
• service architecture (API structure, database, roles, subscriptions, verification),
• modular plan for backend and frontend parts,
• prototype / MVP: registration, roles, user panel, adding offers, subscriptions, multi-domain (basic level), search and filters, admin panel,
… • preparation of documentation for further scaling by the team.
Why this is important:
The project includes:
— video modules and live broadcasts,
— AI analysis and recommendation systems,
— international domains, localization,
— auctions,
— complex verification,
— CMS + administrative panel.
These features require architectural design before starting full-scale development.
I propose the following work structure:
Stage 1. Architectural specification + technical plan (1–2 weeks).
Stage 2. MVP: core of the platform (6–10 weeks).
Stage 3. Full-scale development with team expansion.
If this approach suits you, please send:
• a document with Figma / prototypes (if available),
• the number of planned domains,
• priorities for the MVP.
After that, I will be able to assess the timelines and budget more accurately.
I am ready to discuss the project in written format.

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Hello!
We specialize in developing software, websites, automation systems, and more.

We take on both full-cycle development projects from scratch and technical improvements to existing systems.
Our tech stack includes: WordPress, Opencart, Shopify, WIX, Python, JavaScript, C++, C#, Unity 3D, SQL, MSSQL, WPF, and WinForms.

We have hands-on experience in:
– system and application development
– business process automation
… – information security
– technical project management

After project delivery, we provide 14 days of free technical support.

We work fast, clearly, and with focus on results.
Looking forward to working with you!

Hello!

I design and create B2B platforms that are robust and easy to use. I can deliver the multilingual platform you described, with separate country domains, a modular backend, advanced administrative tools, subscription billing, auctions, live video streaming, and AI modules that assist in matching buyers and suppliers.

I have experience working with trading platforms, secure payments, multilingual flows, and creating transparent, scalable verification processes.

One feature I can add is an interactive TrustScore inspector that shows buyers which documents, video clips, and AI signals have raised or lowered the supplier's score, making trust transparent and decisions faster. I will be responsible for the architecture, API layer for all domains, and a smooth deployment process to ensure the product works from day one.

https://midjourney.com
… https://storyai.cc

Thank you!

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Hello! I have reviewed your assignment and believe that I can successfully complete it. I would be happy to collaborate, please write to me personally for further details.

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Hello!
My name is Alexey, I represent a group of developers – NC-1.
For more than five years, we have been creating websites, mobile applications, online stores, ERP/CRM systems, and other e-commerce products.
I offer our team for the creation of a B2B platform:
Backend architect - NestJS / Python (FastAPI), PostgreSQL, Redis, microservices
Frontend developer - Next.js (React), TypeScript, Tailwind CSS, i18n
AI/ML engineer - Python, TensorFlow/PyTorch, OpenCV (Computer Vision)
DevOps/SRE engineer - Docker, Kubernetes, Nginx, CDN (for video)
Mobile developer - Flutter / React Native
… Project Manager - Jira, Confluence, Agile/Scrum
Designer (UI/UX) - Figma
Cases: https://1drv.ms/b/c/b7a0d31a9dae1bc5/IQCpK38gmEvWT6F_Cso40Li-AXAKkSs-J67mCwll-C732pw?e=v4VVF5
Sincerely,
Alexey M.

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Hello, nice to meet you.
As a full stack developer, I have over 5 years of experience in B2B, B2C, C2C, and SaaS development.
I fully understand your requirements and I am confident that I will successfully complete your project.
I can design and build a multilingual, multi-domain B2B marketplace with separate roles for buyer/wholesaler, paid subscriptions, an AI-based scoring and risk matching system, auctions, advanced video/live streaming modules, and a secure verification process (standard + premium version on-site), including full user/admin panels and a scalable backend/API architecture ready for future features.

Let's discuss in more detail.
Sincerely.

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Hello
Ready for collaboration. Extensive experience in project management, including writing Technical Specifications (TS), testing, selecting and working with designers and developers to achieve the desired results for you. I am confident that I can help you :) The cost is hourly.

Experience as a Project Manager in website and mobile application development (plus advertising) for over 8 years (4 years in the office and currently over 4 years remotely).

I am in the TOP - 1 as a technical writer.
In the TOP - 2 for project management.
In the TOP - 8 for testing.

… I am ready to assist in client management, task setting for developers, testing, documentation writing, prototyping, and consulting not only on general issues but also on development stages.

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Hello,

Thank you for the detailed description, I would be happy to help with the implementation of the project. I am a Software Development Engineer with more than 7 years of experience in creating various websites, SaaS solutions, complex web platforms, and MVPs for startups. In my portfolio, I have highlighted some developed projects.

My stack includes the following technologies and their frameworks: PHP (Yii2, Laravel, Symfony), HTML5, CSS3, JS (Vue.js, React.js), MySQL, PostgreSQL.

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Hello, Przemysław
With 8 years of experience in building and maintaining real-time B2B systems, I can deliver a scalable, secure, and efficient solution that meets all functional requirements.

Why I am a perfect fit
Proven B2B experience: I have built platforms with subscriptions, verification flows, auctions, and supplier-buyer modules. I understand business logic, onboarding, compliance, and market operations.
Good architectural skills: I design scalable, modular systems (microservices or modular monoliths) that handle high traffic, multimedia, and internationalization.
Experience with multilingualism and multi-domain: I have delivered global platforms with country domains, automatic location detection, and multi-currency support.
Real-time features: Experience in handling WebSockets, live chats, auctions, dashboards, notifications, and activity streams.
Advanced multimedia experience: Implementation of video processing, live streaming (RTMP/HLS), and optimized CDN delivery. AI modules: Convenient integration of models for matching, rating, and content recognition.
… Security and verification: Implemented document verification workflows, KYC-like processes, fraud prevention, and GDPR-compliant systems.

Technical approach
Frontend: React/Next.js (RWD), optionally Flutter/React Native app.
Backend: Node.js/NestJS or Java/Spring, PostgreSQL, Redis, ElasticSearch.
Multimedia: Data storage in S3, FFmpeg transcoding, RTMP/HLS streaming.
Infrastructure: Docker, Kubernetes, CI/CD pipelines, CDN distribution.
AI services: Python microservices (FastAPI) for risk assessment, matching, and tagging.
Security: MFA, role-based access, DDoS protection, anti-spam, GDPR compliance.

Focus on delivery
Clean architecture, high performance, and long-term maintainability. Clear documentation, stable API, and reliable deployment processes.
Transparent communication and iterative deployment.
Ability to scale the platform post-launch.

Summary
I combine rich experience in the B2B sector with technical knowledge in sales platforms, multimedia, artificial intelligence, and scalable infrastructure. I can execute this project comprehensively, ensuring that the platform is fast, secure, intuitive, and ready for international expansion.

Thank you.

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Hello, I will do everything described in the technical specification. I propose development on Laravel.

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Good day. I specialize in CRM, dashboards, databases, and web services for processing, accounting, and analytics. Convenient and modern design. Development is fully turnkey. Lavarel 12.

Integration with artificial intelligence and other automations can be implemented. CRM is my main focus, so I can offer many interesting options.

Feel free to reach out.

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Hello,

I’ve reviewed a project similar to cmax.pk(my previous project), a local marketplace-style platform that brings products and services together in a clear, user-friendly online storefront. I have strong experience building sophisticated web platforms with intuitive UX/UI, robust backend workflows, and responsive design that scales from desktop to mobile. I understand what it takes to create seamless user journeys for both buyers and sellers, and I can deliver a high-quality design that aligns with your vision and business goals.

I’m ready to start right away and can work with you to refine your requirements and deliver solutions that are functional, aesthetic, and easy to manage.

Best regards,

From this description, I see that it is about a full-fledged B2B marketplace, not just a regular store – with accounts for wholesalers and buyers, subscriptions, auctions, and supplier verification. I suggest doing it in stages: first a stable MVP (registration/login, user panels, adding offers, paid subscriptions, search engine and filters, language versions, and separate domains), and then adding video, live, AI modules, and more advanced statistics. The estimated budget for preparing such an MVP is about 55,000 UAH (~6,000 PLN), and the completion time is 8–10 weeks from the start of work. I have a few more questions regarding the scope of the first stage and the budget; let's discuss them in private messages.

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