
Closed
Posted
Paid on delivery
I’m creating a cross-industry platform where suppliers, manufacturers, and wholesalers can engage with full confidence. The core of the product is credibility: every company must be able to prove who they are and how reliably they operate. To make that happen I need three layers of trust signals working together—verification badges tied to authenticated documents, transparent user reviews and ratings, and an area for certificates or compliance files that can be viewed or downloaded at any time. Around that trust engine I want to give users the tools to find and talk to the right partners quickly. A powerful search-and-filter panel should let them narrow results by sector, location, minimum order quantity, and other key parameters, while a snappy real-time messaging module keeps negotiations inside the app. Each company profile will act as a mini-site, hosting its product and service catalogue, ratings, badges, and certificates in one place. Deliverables • UX/UI wireframes and high-fidelity designs for mobile (iOS & Android) and web • Scalable backend that handles document uploads, badge issuance, chat, reviews, and catalogue data • Frontend apps with search, filters, messaging, profile pages, and secure login/registration • Admin console for document moderation, dispute management, analytics, and user support • End-to-end testing plus deployment to App Store, Google Play, and production web hosting Acceptance criteria 1. A new business that submits valid documentation receives an auto-generated “Verified” badge visible on its profile. 2. Search results update in under one second when filters are applied on a 100 k record dataset. 3. Chat messages deliver in real time with push notifications on both mobile platforms. 4. Certificates uploaded as PDF or image files are viewable without download and protected against tampering. 5. Average page load <2 s over a 4G connection. Tech stack is flexible, but I lean toward React Native or Flutter for the apps and a Node.js or Django backend; I’m open to recommendations that keep maintenance straightforward and security airtight.
Project ID: 40655949
54 proposals
Remote project
Active 5 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
54 freelancers are bidding on average ₹26,064 INR for this job

Hi there, I understand you're building a supply chain platform focused on credibility and trust between suppliers, manufacturers, and wholesalers. This requires robust verification systems and seamless user experience across all touchpoints. My approach involves creating a comprehensive verification framework with digital identity validation, business credential checking, and reputation scoring systems. I'll develop secure user authentication flows, implement real-time communication features, and design intuitive dashboards for different user roles. The platform will include advanced search and filtering capabilities, automated matching algorithms, and comprehensive analytics for business insights. I'll ensure mobile-responsive design with native app experiences for both iOS and Android, incorporating push notifications and offline capabilities where needed. For the credibility aspect, I'll integrate document verification systems, third-party validation APIs, and transparent rating mechanisms that build trust through transparency. The backend will feature scalable architecture using PHP with secure database management, while the frontend will deliver exceptional user experience through modern UI/UX design principles. Best Regards, Khorshed Alam, RS Software
₹21,290 INR in 6 days
9.6
9.6

Hi, I can build this B2B trust and supplier platform end-to-end, covering UX/UI, mobile apps, scalable backend, web frontend, and admin dashboard. I’ll implement secure business verification with document-based badges, certificates, reviews/ratings, advanced search and filtering, real-time messaging with push notifications, company catalogues, and role-based admin moderation. I’ll also focus on performance, secure document handling, and scalability for 100K+ records. **Recommended stack:** React Native + Node.js/NestJS + PostgreSQL + Redis/WebSockets, with secure cloud storage for certificates and documents. I’ll handle development, QA, deployment, and App Store/Google Play submission, with clear documentation and handover. Best regards, **Muhammad Rizwan LA**
₹25,000 INR in 7 days
8.3
8.3

Hi, I your "Supply chain connect -- 2" project description in detail and undertood your requirements. I've worked on many PHP projects in recent times. So I am confident on achieving your expected Goals. Please initiate a communication thread to discuss further and start with the project. ⭐ 5.0/5 from a recent client: "A more professional version: “Excellent work! The job was completed within the committed timeline. Great quality, professionalism, and timely delivery. Highly appreciated and recommended.”" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
₹22,500 INR in 5 days
8.0
8.0

Hello Sir/Ma’am, I can build this B2B trust and supplier marketplace with a scalable architecture focused on security, performance and real-time communication. Recommended stack: • Flutter for iOS & Android • React.js for web • Node.js/NestJS backend • PostgreSQL + Redis • WebSockets for real-time chat • Secure cloud file storage for certificates/documents I’ll handle: • Business verification and automated badges • Reviews, ratings and certificate management • Advanced search/filtering for 100K+ records • Real-time chat with push notifications • Company profiles and product/service catalogues • Secure authentication and document access • Admin dashboard for moderation, disputes and analytics • API integration, testing and production deployment • App Store and Google Play submission I’ll structure the system for fast search, secure document handling and future scalability while keeping maintenance straightforward. I have 12+ years of experience with Flutter, React.js, Node.js, Laravel, APIs, MySQL/PostgreSQL and real-time applications. I work independently and personally handle the development with direct communication. Best regards, Pulkit Jalani
₹32,000 INR in 22 days
7.1
7.1

Hi, This platform’s real challenge is building a reliable trust layer alongside fast discovery and real-time communication. With 10+ years of full-stack experience, I can build secure verification workflows, document/certificate management, review systems, company profiles, advanced filtering, real-time chat and admin moderation. I’d recommend React Native with Node.js/Next.js for maintainability and scalability, backed by PostgreSQL, Redis and secure object storage. I’ll optimize search for 100k+ records, protect uploaded documents, implement push notifications, comprehensive testing and production deployment across web, iOS and Android.
₹30,000 INR in 8 days
7.1
7.1

As an experienced Full Stack Developer with a proven track record of successfully delivering over 200 projects, I bring to the table all-round expertise in frontend and backend development which is crucial for your cross-industry supply chain platform. I am adept in React Native and Flutter, which you indicated as preference for the apps, and in Node.js which would be beneficial for the backend stack. On top of that, I have extensive experience in developing scalable web and mobile applications like the one you're looking for. Furthermore, my commitment to fast yet quality solutions ensures I deliver your project on time (95%) and within budget (98%). Even after project handover, I don't leave you high and dry; I'm available for long-term support whenever required. With my rich skill set encompassing web/mobile development, AI solutions & automation as well as UI/UX design your project will be breathe life into ensuring it drives results for all stakeholders involved. Let's transform this idea into a powerful digital solution!
₹27,500 INR in 7 days
6.6
6.6

Hi! I can help build this in React Native and Node.js, with secure document uploads, real-time chat, search filters, and admin moderation. Would you prefer React Native or Flutter for the mobile apps, and should the backend be Node.js or Django? Best regards, portfolio:
₹27,750 INR in 3 days
6.3
6.3

Hi, I will build your Supply Chain Connect platform with React Native apps and a Node.js backend, covering verification badges, reviews, certificate hosting, real-time chat, and advanced search filters. Each company profile will act as a mini-site with catalogue, ratings, and compliance files. I can start today. For verification, I will tie badges to document checks in the admin console, so only authenticated uploads trigger the Verified status. Questions: 1) Should document verification be fully manual, automated, or hybrid? 2) Any preferred payment or subscription model for suppliers? Looking forward to discussing further. Regards, Shayan.
₹21,250 INR in 3 days
5.7
5.7

With over 5 years in the industry, I've designed and developed web and mobile applications much like your Supply Chain Connect platform. My skills in using React Native and Flutter for app development coupled with my proficiency in Node.js and Laravel for backend infrastructure align perfectly with your project needs. My goal in every project has always been to deliver secure, user-friendly, and scalable platforms that solve unique business problems. This dedication has seen me build SaaS applications, e-commerce platforms, and complex custom solutions. I understand the trust barrier you want to solve with this platform - focusing on identity verification, transparency through user ratings, and secure document handling. Not only do I bring technical expertise to the table, but I also pride myself on my ability to communicate effectively and deliver work on time. Let's talk about how we can take your Supply Chain Connect platform from idea to reality and create something amazing together!.
₹25,000 INR in 7 days
5.7
5.7

With over a decade of experience in the web and mobile app development space, I am confident that I have the skills necessary to not only meet but exceed your expectations for this project. Whether it's ensuring swift verification processes, lightning-fast search results, real-time messaging with push notifications, or tamper-proof document uploads, I have the know-how to establish all these functionalities with precision and efficiency. My proficiency in state-of-the-art technologies such as React Native, Flutter, Node.js and Django aligns excellently with your tech stack preferences, signifying a seamless integration if I am chosen to undertake the project. Moreover, my deep understanding of building scalable systems whilst prioritizing security will be vital in creating a platform that balances reliability and user-friendliness. Possessing a strategic mindset, my approach involves not just meeting deadlines professionally but more importantly, understanding the unique needs of my clients at every stage of development. Hence, by entrusting your "Supply chain connect" project to me as your long-term technology partner, you can expect dependable solutions catered to your business growth and a collaborative relationship focused on achieving lasting success.
₹12,500 INR in 5 days
4.8
4.8

With my comprehensive experience in AI agents, automation systems, and full-stack platforms, I am confident that I have the right skills to bring your Supply Chain Connect platform to life. My background includes working across multiple industries, giving me a deep understanding of the intricate challenges involved in creating and maintaining a reliable supply chain network. The projects I've completed mirror the functionalities you desire, such as developing AI voice receptionists and lead enrichment pipelines. On top of that, my expertise in front-end web and mobile app development is aligned with your project requirements. Be it React Native or Flutter for apps or Node.js or Django backend, I have hands-on experience with these tech stacks and can ensure code security and maintainability. My proficiency with GraphQL will be particularly helpful for scalable backend development. Moreover, my record for delivering projects on time and meeting acceptance criteria matches what you seek: trust verification, real-time search filter, seamless chat functions, protected document viewing, and optimized page loads –– these factors are all within my technical forte. With me on board, be assured of maximum dedication and responsibility toward building your highly-scalable platform while employing best practices for UX/UI design and efficient backend administration. Let's connect soon to discuss your project in detail!
₹12,500 INR in 2 days
4.9
4.9

THIS IS A GREAT MATCH. I have just developed a similar platform that connects suppliers and manufacturers with a strong focus on trust and transparency. The goal is to create a seamless experience where users can confidently engage with verified partners. I’ll ensure the three trust layers are rock-solid: verification badges, transparent reviews, and easily accessible compliance documents. Keeping it simple is key; the design will be intuitive, and the communication tools will make interactions smooth and direct. MESSAGE ME, WORST CASE YOU GET FREE ADVICE. Regards, Stefan.
₹18,750 INR in 7 days
4.5
4.5

Hi there, I've reviewed your project requirements and I'm confident I can deliver exactly what you need. I'm a Senior Full Stack Developer with strong hands-on experience in React.js/React Native and modern web development practices. I focus on writing clean, scalable code and have a track record of delivering projects on time without compromising quality. On Freelancer, I've completed 12 projects with strong client ratings clients continue working with me because of my clear communication, reliability, and attention to detail throughout the project lifecycle. I'd be glad to discuss your requirements in more detail and provide a clear plan along with a realistic timeline. I'm available to start immediately and can commit the necessary time to ensure smooth, timely delivery. Looking forward to the opportunity to work together. Best! Abbas
₹33,500 INR in 16 days
4.0
4.0

I can build this trust-focused B2B platform with React Native/Flutter, scalable Node.js/Django backend, secure document verification, badges, reviews, real-time chat, advanced search, company catalogues, admin moderation, and production deployment.
₹25,000 INR in 7 days
3.6
3.6

As an experienced full stack developer with a strong background in UI/UX design, web and mobile app development, I am well-equipped to bring your ambitious supply chain platform to life. Having successfully delivered complex systems before, including a robust CRM/ERP system and AI-powered tools, I'm confident in my ability to not only meet but exceed the standards for each of the project's deliverables. With expertise in technologies such as React Native, Node.js and Django, along with an understanding of your need for maintenance simplicity and uncompromising security, I am ready to create a scalable backend and dynamic frontend apps that perfectly align with your vision. In addition, my skills in graphic design will ensure that your platform not only runs smoothly but looks stunning too, fostering user trust. Beyond my technical abilities, I'm dedicated to effective communication throughout the project lifecycle; ensuring not only that you're kept informed every step of the way but also so successful relationships are built on clear communication. My aptitude for taking ownership and delivering results has earned me long-term associations. Rest assured, choosing me ensures your project is in reliable hands committed to excellence. Let's connect to discuss how I can uniquely tailor my skills for your specific needs.
₹25,000 INR in 7 days
3.9
3.9

Hello! I can build the Node.js/React Native platform with verified profiles, document workflows, real-time chat, search/filtering, reviews, and admin controls, focused on security and scalability. Let’s discuss details here.
₹28,000 INR in 7 days
2.8
2.8

Hello, I saw that credibility is the core of the platform, so the verification, certificates, reviews and company profiles need to work together as one trust system. I can build the mobile and web experience with React Native and a scalable Node.js backend, covering secure authentication, document verification, searchable company profiles, catalogues, reviews, real time messaging, push notifications and the admin console. I would structure the backend and search layer to handle the 100k record requirement without compromising response time. I can take the project from UX and architecture through development, testing and production deployment across web, iOS and Android. Best Regards, Faizan
₹37,000 INR in 1 day
2.4
2.4

Hi — I've read the whole brief. A trust-first B2B marketplace: verified badges from real documents, reviews, certificates, search/filter, real-time chat, company mini-sites, admin moderation, web + iOS + Android. Straight talk first, the useful thing: That is a full multi-sided marketplace with mobile apps and real-time chat — months of work, not ₹12,500–37,500. I won't quote a number I'd walk back. Here's how to start real instead. One technical flag that shapes the architecture: Your criterion — filters under 1 second on 100,000 records — isn't something a plain SQL database hits reliably once filters stack. That needs a search index (Meilisearch/Typesense) beside the database. Anyone claiming plain Postgres does sub-second multi-filter on 100k hasn't load-tested it. Build on the right engine from day one. PHASE 1 (₹12,500, top of your floor): the trust engine + discovery, on web. Company mini-site profiles, document upload to auto "Verified" badge, certificate viewing via signed tamper-proof links (no raw download), and sub-second search/filter on the real index. The credibility core, working on real data. Then we phase: real-time chat, the iOS/Android apps, reviews, and the admin/dispute console — each scoped once you've seen the core live. Two questions: 1. Web-first to start, or must mobile land in Phase 1? 2. Roughly how many companies at launch? It sizes the search index. Aakaash
₹12,500 INR in 3 days
2.0
2.0

As an all-encompassing developer specializing in end-to-end product development, I'm positioned to bring your supply-chain platform to life. My expertise spans from UI/UX design to backend engineering, cloud deployment and ongoing support- a specialized skillset that ensures smooth coordination and maintainability. Additionally, my proficiency in technologies like React Native, Node.js and Django aligns well with your project requisites. In terms of trust mechanisms- verification badges, transparent user reviews and certificates hub, I’ve previously implemented similar features for different platforms. Not only can I automate the badge issuance upon document validation- ensuring credibility across every company profile- I can also develop a robust backend that handles document uploads and scale seamlessly. Furthermore, to address your performance needs, I’ve got a proven record of delivering exceptional speed coupled with security. With me on board, you can be assured of an average page load time lesser than 2 seconds over a 4G connection while simultaneously maintaining data integrity.
₹25,000 INR in 7 days
1.6
1.6

Hi — Diego here from Brazil. I like the focus on credibility. For a supply-chain platform, verification, document integrity, and reliable communication need to be part of the architecture rather than features added afterward. My approach would use a scalable API-driven backend with secure document storage, verification workflows, searchable company/catalog data, real-time messaging, reviews, and role-based administration. I’d use React Native or Flutter for mobile and structure search/indexing carefully so filtering remains fast as the dataset grows. Push notifications, protected certificate access, and auditability would be built into the core design. I’ve worked with backend APIs, databases, authentication, integrations, and mobile development, with a strong focus on reliability and maintainability. Q1 – Will verification be handled automatically through a third-party service or by your admin team? Q2 – Do you already have the document verification rules and badge criteria defined? Happy to discuss the details and suggest the best technical approach. Looking forward to hearing from you.
₹25,000 INR in 7 days
1.7
1.7

Mumbai, India
Member since Mar 23, 2026
₹600-1500 INR
₹600-1500 INR
₹12500-37500 INR
₹600-1500 INR
₹600-1500 INR
₹600-1500 INR
₹37500-75000 INR
₹1500-12500 INR
$30-250 USD
$10-30 USD
$250-750 CAD
$30-250 NZD
£750-1500 GBP
$8-15 USD / hour
$250 USD
$500-2000 USD
$30-250 USD
$450 USD
$10-11 AUD
$5000-10000 USD
$30-250 USD
₹12500-37500 INR
$250-750 USD
$5000-10000 USD
₹12500-37500 INR