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I’m building an API-driven, multi-sided platform that makes bespoke corrugated packaging feel like a default utility inside any 3PL onboarding flow. It is not an open marketplace; instead, it should serve as underlying operational infrastructure that quietly powers quoting, ordering, and fulfilment between three distinct user groups: buyers, manufacturers, and 3PL providers. Core workflow • Buyers arrive inside their 3PL’s portal, request packaging, and instantly see real-time quotes pulled directly from connected manufacturers. • They can compare options at a glance—capacity and current lead times are surfaced automatically—then commit with one click. • The moment an order is placed, the system routes it to the chosen manufacturer, updates status milestones, and feeds confirmations, labels, and ASN data back to the 3PL WMS so warehouse teams can stay in their own screens. Essential capabilities we must ship • Real-time quotes from manufacturers (price, capacity, lead time). • Automated order management that tracks every step without manual email chains. • Out-of-the-box integration hooks (REST / webhooks, EDI if needed) so 3PLs can embed the flow during customer onboarding without custom code each time. User roles & access • Buyers see pricing, capacity, lead times, and order history. • Manufacturers manage quotes, capacity updates, and production status. • 3PL providers monitor order progress and receive shipping data directly into their WMS/TMS. Tech expectations I’m open on language and framework, but the architecture must be modular, secure, and ready for high-volume API calls. Think React or Vue on the front end, Node.js or similar on the back, PostgreSQL (or equivalent) for data, and clear documentation for all endpoints. The interface should feel light and purpose-built rather than e-commerce heavy. Deliverables 1. Clickable prototype that demonstrates the full quote-to-order journey. 2. Technical specification covering data models, key APIs, and integration points for 3PL systems. 3. MVP build (frontend, backend, and database schema) ready for pilot deployment. 4. Deployment guide and developer documentation. Acceptance criteria • A buyer connected through a demo 3PL account can generate a quote in under 10 seconds. • Capacity and lead-time data refresh without manual refreshes. • An order placed in the UI appears in the manufacturer dashboard and pushes a status webhook to the 3PL endpoint within 3 seconds. • All endpoints secured via token-based auth and pass a basic penetration test. If this sounds like your wheelhouse—especially if you’ve built supply-chain, 3PL, or B2B manufacturing platforms before—let’s talk.
Projektin tunnus (ID): 40151011
202 ehdotukset
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Aktiivinen 26 päivää sitten
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202 freelancerit tarjoavat keskimäärin £2 348 GBP tätä projektia

I’ve built API-first B2B platforms where complex supply-chain workflows disappear into clean, reliable infrastructure, and this use case fits squarely in my wheelhouse. I can design a modular, secure architecture that delivers real-time quoting, capacity awareness, and sub-second order routing between buyers, manufacturers, and 3PLs without marketplace bloat. My focus would be a lean MVP with clear APIs, webhook-first integrations, and dashboards that stay out of the way while keeping every party perfectly in sync. Happy to start with a clickable prototype and technical spec, then move quickly into a pilot-ready build.
£2 250 GBP 7 päivässä
8,2
8,2

Hello, I will design and build a modular, secure API-driven corrugated packaging platform that sits inside 3PL onboarding flows, quietly powering quotes, orders, and fulfilment for buyers, manufacturers, and 3PL providers. The MVP will deliver real-time quotes from connected manufacturers (price, capacity, lead time), automated order management with status tracking, and out-of-the-box integration hooks (REST, webhooks, and optional EDI) so the flow can be embedded during onboarding without custom code. The frontend can be React or Vue, the backend Node.js, with PostgreSQL for data, and clear endpoint docs. Deliverables include a clickable prototype of the end-to-end quote-to-order journey, a technical spec with data models and APIs, an MVP frontend/backend/db schema, and a deployment guide. Acceptance criteria include buyer quotes under 10 seconds, automatic data refresh, and an order/ASN push to the 3PL endpoint within 3 seconds, all secured by token-based auth and basic security tests. If this sounds right, I’ll start with a pilot-ready build and thorough docs What is your top priority for the MVP and which 3PL onboarding partners should we target first to validate end-to-end flows (quotes, orders, and ASN delivery)? What is your preferred real-time quote latency target and how should we handle caching/refresh? Which data standards and events must be supported for quotes, orders, and ASNs (e.g., price, capacity, lead time, status, ASN)? Which onboarding flows and integra
£3 000 GBP 26 päivässä
7,8
7,8

With over a decade of experience in web and mobile development, including expertise in API-driven platforms, I understand the complexities of building a bespoke corrugated packaging platform like yours. The challenge of seamlessly connecting buyers, manufacturers, and 3PL providers while ensuring real-time quoting, ordering, and fulfillment processes require a high level of precision and efficiency. In my past projects, I have successfully delivered solutions in the fintech and eCommerce domains that required intricate user roles and complex workflows. My experience with blockchain technology also aligns with the secure and transparent nature of your platform requirements. If you're looking for a dedicated and experienced developer who can bring your vision to life, I'm confident that my skill set and track record make me a perfect fit for your project. Let's collaborate to create a scalable and efficient platform that meets all your needs and exceeds your expectations. If you're ready to take the next steps in making your corrugated packaging platform a reality, I'm here to help. Let's discuss your project in more detail and explore how we can work together to achieve your goals.
£2 400 GBP 30 päivässä
7,3
7,3

Hi there, I can build your multi-sided corrugated packaging platform where buyers can get real-time quotes, place orders, and track status while manufacturers and 3PLs see live updates—all integrated seamlessly through APIs and webhooks. I would suggest using React for the front end, Node.js for the backend, and PostgreSQL for the database to ensure modular, secure, and high-performance handling of all quote, order, and status data. I can start by reviewing your current workflows and API needs, then create a clickable prototype followed by an MVP with full integration, documentation, and deployment guide. If this aligns with what you’re looking for, I’d love to connect and discuss your requirements in detail. Thanks, Rahul A.
£2 850 GBP 55 päivässä
7,7
7,7

Hi, This is Elias from Miami. I’ve reviewed your project description and I understand the goal is to build an API-driven, multi-sided platform that sits quietly inside a 3PL onboarding flow and handles quoting, ordering, and fulfillment for bespoke corrugated packaging—without feeling like a public marketplace or heavy e-commerce layer. With over 10 years of full-stack experience, I’m very interested because I’ve worked on B2B, supply-chain, and integration-heavy platforms where speed, reliability, and clean APIs matter more than flashy UI. I’m comfortable designing modular architectures that handle high-volume API traffic, real-time updates, and tight system-to-system integrations with WMS/TMS tools. I’d love to help you take this from prototype through MVP and pilot deployment with a clear technical spec and developer-friendly docs. A few questions to make sure we’re aligned: Q1: For manufacturer quotes, will pricing and capacity be pushed to your system in real time via API, or should the MVP support manual updates from manufacturer dashboards as well? Q2: Do 3PL integrations need to support EDI in the MVP, or can we start with REST/webhooks and layer EDI later? Q3: Should buyers ever see manufacturer identities, or should that remain abstracted behind the 3PL relationship? Looking forward to hearing from you. Regards.
£8 000 GBP 50 päivässä
6,9
6,9

Hi I can build your embedded packaging infrastructure platform with a modular API-first backend, PostgreSQL, and a light React UI for Buyers, Manufacturers, and 3PL operators. The main technical problem is delivering fast, reliable real-time quoting and order state sync across parties without creating integration debt for every new 3PL. I’ll solve this with standardized REST/webhook contracts, an event-driven order state machine, and idempotent endpoints so quotes and status updates remain consistent under high call volume. Manufacturer capacity/lead-time feeds will update via secure APIs and push events to buyers/3PL views with near real-time refresh (polling fallback + websocket/SSE where needed). Orders will route instantly to the chosen manufacturer, generate milestones, and emit 3PL-facing payloads (confirmations, labels/ASN-ready data) designed to map cleanly into WMS/TMS workflows. Security will use token-based auth, scoped roles/tenants per 3PL, audit logs, and hardened webhook verification (HMAC signatures, replay protection). You’ll get a clickable prototype, a detailed technical spec (models + endpoints + integration patterns), and a pilot-ready MVP with clear deployment and developer docs. Thanks, Hercules
£3 000 GBP 15 päivässä
6,6
6,6

Hello, I will build you an API-driven platform that quietly powers bespoke corrugated packaging quotes, ordering, and fulfillment between buyers, manufacturers, and 3PLs without feeling like a clunky marketplace. I've built similar B2B supply-chain and 3PL platforms before and know how to create real-time quoting systems that pull manufacturer pricing, capacity, and lead times instantly, automate order management with status tracking and webhooks that feed data directly into 3PL WMS systems, and design modular REST APIs with clear documentation so 3PLs can embed the flow during onboarding without custom code each time. I'll deliver a clickable prototype, technical specs, MVP build with React or Vue frontend and Node.js backend, deployment guide, and secure token-based auth that passes basic penetration testing. Looking forward to discussing further. Best regards, Kamran
£2 200 GBP 18 päivässä
6,6
6,6

I HAVE BUILT HIGH-VOLUME, API-DRIVEN B2B SUPPLY CHAIN PLATFORMS—LET’S MAKE BESPOKE PACKAGING FEEL LIKE A DEFAULT UTILITY FOR 3PLS! I propose to design and develop a multi-sided, API-first platform connecting buyers, manufacturers, and 3PL providers with real-time quoting, ordering, and fulfillment. Core capabilities include: Real-time quotes: Buyers see pricing, capacity, and lead times instantly from connected manufacturers Automated order management: Orders route to manufacturers automatically; status updates, labels, and ASNs push back to 3PL WMS Integration hooks: REST APIs, webhooks, and optional EDI endpoints for seamless embedding in 3PL onboarding flows User roles: Buyers track quotes and history, manufacturers manage capacity and production status, 3PLs monitor order progress Tech stack: React or Vue frontend, Node.js backend, PostgreSQL database; modular, secure architecture ready for high-volume API traffic; full developer documentation. Deliverables: Clickable prototype showcasing the full quote-to-order journey Technical specification including data models and key APIs MVP build ready for pilot deployment Deployment guide and endpoint documentation Acceptance criteria: Quotes generated in <10s, live capacity & lead-time updates, orders appear in manufacturer dashboards and trigger webhooks <3s, token-secured endpoints with basic penetration test passed.
£1 600 GBP 15 päivässä
6,4
6,4

Hello! My name is Olga - nice to meet you! I’m based in London, so I am sure that it will be convenient for you to cooperate with me as Project Manager. Your idea of turning bespoke corrugated packaging into a quiet, API-first utility inside 3PL onboarding flows is very clear, and it strongly matches our experience with multi-sided B2B and supply-chain platforms. We understand that this is not a marketplace UI, but operational infrastructure that must feel fast, reliable, and invisible to end users while handling complex coordination between buyers, manufacturers, and 3PL systems. We can design and build a modular, API-driven architecture that delivers real-time manufacturer quotes, one-click ordering, and automated order lifecycle tracking without manual intervention. From a technical perspective, we would propose a clean, scalable stack with a lightweight React or Vue frontend, a Node.js backend optimised for high-volume API traffic, and a robust relational data model. We can deliver a clickable prototype to validate the quote-to-order flow, followed by a production-ready MVP with full API documentation, deployment guidance, and pilot-ready infrastructure. Please review our profile https://www.freelancer.com/u/tangramua You can find details about our company, portfolio and recent client reviews there. We would be happy to discuss your project further via Freelancer Chat. Best regards, Olga K Sales Department Tangram Canada Inc.
£2 750 GBP 7 päivässä
7,6
7,6

Hi, We would like to grab this opportunity and will work till you get 100% satisfied with our work. We are an expert team which have many years of experience on Node.js, PostgreSQL, Web Development, Backend Development, Frontend Development, Vue.js, RESTful API, API Development Please come over chat and discuss your requirement in a detailed way. Regards
£1 500 GBP 7 päivässä
6,0
6,0

Hello, I’m excited about the opportunity to build your API-driven, multi-sided platform for bespoke corrugated packaging. I understand the importance of creating a seamless user experience that not only meets the needs of your customers but also enhances your operational efficiency. My focus will be on delivering a robust platform that includes intuitive user interfaces, efficient data management, and scalable architecture to support future growth. I have a proven track record of developing platforms that facilitate complex interactions between multiple stakeholders, ensuring that every touchpoint is optimized for engagement. I’m committed to delivering a solution that aligns with your vision and drives your business forward. Regards, Nurul Hasan
£1 500 GBP 7 päivässä
5,9
5,9

Hello, I am really excited about the opportunity to collaborate with you on this project! It aligns perfectly with my skill set and experience, and I’m confident I can contribute meaningfully to your vision. I genuinely enjoy working on projects like this, and I believe we can create something both functional and visually engaging. Please feel free to check out my profile to learn more about my past work and client feedback. I’d love to connect and discuss the project details further your goals, expectations, and any specific features or ideas you have in mind. The more I understand your vision, the better I can bring it to life. I am ready to get started right away and will put my full energy and focus into delivering quality results on time. My goal is not just to complete the project, but to exceed your expectations and build a long-term working relationship. Looking forward to hearing from you soon! With regards! Nikhil
£2 500 GBP 32 päivässä
5,9
5,9

Hi nickc04, ➡️ I read your project description and understand that you are building an API-driven, multi-sided platform for bespoke corrugated packaging. Your focus on seamless integration within 3PL onboarding flows to facilitate quoting, ordering, and fulfillment is clear. ⏺️ I specialize in creating robust, API-centric platforms, particularly in supply chain and logistics contexts. With extensive experience in React, Vue, Node.js, and PostgreSQL, I can construct a secure, modular infrastructure that supports high-volume API interactions. My prior projects include developing similar platforms that connect multiple user groups and streamline complex workflows without the need for manual intervention. Regards, Aftab Ahmad Full Stack Developer (12 Years of Experience)
£2 200 GBP 30 päivässä
5,7
5,7

This isn’t a marketplace problem, it’s an infrastructure problem, and that distinction matters. What you’re describing is a quiet, API-first backbone that sits inside 3PL onboarding flows and removes friction from quoting, ordering, and fulfilment without dragging users into a separate “platform experience.” That tells me the priorities are latency, data consistency, and clean integration boundaries, not flashy UI. What I’d focus on first * Designing the real-time quote engine so manufacturer price, capacity, and lead time updates are event-driven, not polled. * A clean order state machine that guarantees sub-3s propagation from buyer → manufacturer → 3PL webhook. * Embed-first APIs (REST + webhooks, EDI-ready abstraction) so 3PLs can plug this in during onboarding without custom glue every time. Architecture approach (high level) * Modular backend (Node.js or similar) with clear service boundaries for quoting, ordering, and integrations * PostgreSQL with concurrency-safe capacity tracking * Token-based auth with scoped access per buyer / manufacturer / 3PL * Lightweight React/Vue UI that surfaces only what each role needs, nothing e-commerce heavy We can open chat again to lock API contracts and latency targets. Open chat when ready and we’ll move straight into execution. Best, Jenifer
£2 250 GBP 30 päivässä
6,1
6,1

Hi there, This project is a perfect match for us as we specialize in building "operational infrastructure" rather than just apps. Our Technical Approach: We propose a headless API-first architecture built on Node.js (NestJS) and Postgres. This ensures that the 3PL integration isn't a "bolt-on" but a native-feeling utility powered by secure webhooks and REST endpoints. For Manufacturers: A streamlined dashboard to manage real-time capacity and pricing rules. We can use Redis for sub-second quote generation to meet your 10-second requirement. For 3PLs: Clean, well-documented API hooks and a Webhook Manager to ensure ASN and label data are pushed to their WMS within your 3-second target. Frontend: A lightweight Vue.js interface designed for high-density operational tasks (not e-commerce), ensuring quick load times even on warehouse tablets. A few questions: Do you have a specific 3PL WMS (e.g., ShipStation, Blue Yonder) you are targeting for the first integration, or should we build generic "plug-and-play" hooks? For manufacturers, will pricing be based on a fixed rate card uploaded via CSV/API, or do we need to build a dynamic calculation engine (e.g., by volume/material cost)? We can deliver the clickable prototype within 7 days. I’d love to discuss how we can make this the "default utility" for your partners.
£2 250 GBP 7 päivässä
5,8
5,8

Hi, I can design and build your API-driven platform to seamlessly connect buyers, manufacturers, and 3PL providers. I will deliver a modular, secure architecture with a React or Vue frontend, Node.js backend, and PostgreSQL database, enabling real-time quotes, automated order tracking, and instant status updates via REST/webhooks. Buyers will see pricing, capacity, and lead times; manufacturers can manage quotes and production; 3PLs will receive shipping data directly in their WMS/TMS. I will provide a clickable prototype of the full quote-to-order workflow, technical specs for data models and APIs, and a fully functional MVP with developer documentation and deployment guides. The system will be optimized for speed, security, and scalability, with token-based authentication and high-volume API support. Best, Justin
£2 000 GBP 15 päivässä
5,3
5,3

Hi, We’ve built similar platforms that connect multiple user types, such as buyers, suppliers, and logistics providers, to streamline workflows and automate manual tasks. One example is a marketplace for industrial buyers and suppliers, where we integrated multiple third-party APIs to facilitate direct communication between buyers and suppliers. We also developed a dedicated supplier dashboard to manage product listings, inquiries, and order fulfillment, while enabling buyers to compare suppliers based on price, delivery time, and ratings. In addition to core development, we provide valuable insights on product-market fit and user experience, ensuring that the final product meets real user needs. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best regards, Adil
£2 475 GBP 21 päivässä
5,6
5,6

Hello! I’m reaching out from Smart Sols, where we bring over 9 years of full-stack development expertise to every project. Your vision for an API-driven, multi-sided platform to simplify bespoke corrugated packaging aligns perfectly with our backend strengths in Laravel and PHP, combined with our frontend proficiency in Vue.js and React.js. We understand the need for a seamless, efficient, and user-friendly experience that caters to multiple stakeholders. Our cross-platform Flutter mobile capabilities also mean we can support any future app expansions. We are confident in delivering a robust, scalable solution tailored to your business goals, leveraging clean, maintainable code and intuitive UI/UX design using Figma. We would be excited to collaborate closely, ensure transparent communication throughout, and deliver on time with high quality. Looking forward to discussing your requirements in detail and crafting a platform that truly stands out. Best regards from the Smart Sols team!
£3 000 GBP 30 päivässä
5,4
5,4

⚠️You are not looking for a coder. You are looking for someone who can build this properly. That is exactly why your project stood out.⚠️ Your vision to craft an API-driven multi-sided platform integrating buyers, manufacturers, and 3PL providers as seamless operational infrastructure reflects a commitment to scalable, secure, and efficient supply chain automation. At DigitaSyndicate, a UK-based digital systems agency, we build precision-engineered automation, modern web platforms, and AI-driven systems designed for performance and long-term scalability. Our approach ensures modular architecture and real-time, token-secured API integrations that align perfectly with your requirements for streamlined quoting, order management, and embedded 3PL workflows. Having delivered a B2B logistics platform with sub-10 second transactional turnaround and robust webhook orchestration, I understand the complexities you face. Can you share your main priorities and timeline so I can map out the right execution plan for you? Casper M. Project Lead | DigitaSyndicate Precision-Built Digital Systems.
£2 250 GBP 14 päivässä
5,2
5,2

Hi, Your vision for a seamless, API-driven corrugated packaging platform as a core 3PL utility resonates deeply with me. Having developed modular, secure supply-chain and B2B platforms with real-time workflows, I understand the critical need to eliminate manual bottlenecks and empower distinct user roles smoothly. I’ll architect the platform using Vue.js for a sleek frontend experience and Node.js with PostgreSQL for robust, high-volume backend operations. Real-time quoting, automated order routing, and live status updates will integrate cleanly with 3PL systems using REST endpoints and secure token-based authentication. I’ll ensure all key data models and integration points are comprehensively documented, accompanied by a clickable prototype ahead of the MVP build. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. I propose a 30-day timeline to deliver the prototype, specifications, MVP, and documentation for pilot deployment. What specific 3PL systems or WMS platforms do you envision integrating with initially to tailor the API endpoints effectively? Best regards, Asad
£1 500 GBP 30 päivässä
5,3
5,3

Coventry, United Kingdom
Liittynyt tammik. 15, 2026
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$250-750 USD
₹1250-2500 INR/ tunnissa
$30-250 USD
$30-250 USD
₹1500-12500 INR
$15-50 USD/ tunnissa
$250-750 USD
₹12500-37500 INR
$250-750 USD
$250-750 USD