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I’m developing a platform that lets companies who rely on cassava flour speak directly with cassava-growing farmers. I need both a responsive web app and a companion mobile app released together so users can choose whichever device suits them best while still sharing one real-time database. The single must-have feature is seamless, reliable communication. Farmers and buyers should be able to: • exchange instant messages in real time (typing indicators, read receipts, image/file sharing) • jump into one-to-one or group video calls without leaving the app, on desktop or mobile Please architect, build, test and deploy the full stack needed for those tools—including user authentication and a simple profile header for each party—so that a farmer can sign in, receive a chat request from a company, and start a live video discussion about harvest details within the same interface. Acceptance criteria • Messages deliver in under two seconds on 3G or better connections • Video calls connect in under ten seconds and maintain stable audio/video for at least five minutes on a 1 Mb/s uplink • Web and mobile share conversations instantly (no manual refresh) • Source code, concise setup docs, and a short demo video handed over at completion If you’re comfortable working with real-time frameworks such as Firebase, WebRTC, [login to view URL], or similar, and can produce both web (React, Vue, or comparable) and mobile (React Native, Flutter, or comparable) front-ends from a common code base, I’d love to hear how you’d tackle it and what timeline you foresee.
Projekt-ID: 40230289
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106 freelancere byder i gennemsnit $20 USD/time på dette job

Hello , Nice to meet you! I will design and develop mobile application with web admin panel according to your requirement , ping me on chat so we can discuss this more. I am expert and 9 years experienced Android /iPhone app developer with backend work that you are looking for. I will provide you perfect product as you want so you would be happy with it. I am always ready to discuss about your project in detail as well as start from right now. The following are my services that i provide :- 1. Daily or Weekly update. 2. Clean and Robust code. 3. Responsible for communication for more than 15 to 20 hours each day. 4. Free Bug-Fix support for 1 year after completion. 5. Source code delivery. You can have a look at my profile by this link : https://www.freelancer.com/u/shyamvijaywargiy Let's contact me to discuss further details with me. Thanks Shyam
$15 USD på 40 dage
9,0
9,0

⭐⭐⭐⭐⭐ Thank you for sharing your project requirements. CnELIndia, led by Raman Ladhani, can deliver this platform end-to-end by leveraging our expertise in full-stack web and mobile development. We propose building a single real-time database using Firebase to ensure instant messaging, read receipts, typing indicators, and file sharing. Web and mobile apps will share a common React/React Native codebase, ensuring synchronized conversations across devices. Video calls will be powered via WebRTC for low-latency, stable streams under 1 Mb/s uplinks. User authentication, simple profile headers, and chat request flows will be implemented seamlessly. Our process includes architecture design, development, rigorous testing on 3G connections, and deployment with source code, setup docs, and a demo video. With our approach, the project can be delivered reliably and efficiently while meeting all acceptance criteria.
$20 USD på 40 dage
9,0
9,0

Hi there, I understand that you're looking to develop a platform that connects companies using cassava flour with farmers. This requires a responsive web app and a companion mobile app that share a real-time database. I will architect, build, test, and deploy the full stack needed for seamless communication, including instant messaging and video calls. My approach will ensure that messages are delivered quickly and video calls are stable, meeting your acceptance criteria. I have experience with real-time frameworks like Firebase and WebRTC, and I can create both web and mobile front-ends using a common code base. Throughout the project, I will prioritize clear communication and quality to ensure your needs are met. I look forward to discussing this project further and how I can contribute to its success. Best regards, Burhan Ahmad TechPlus
$20 USD på 40 dage
8,3
8,3

Hi, We’ve built similar platforms where farmers and buyers connect, enabling direct communication and transactions. For your project, we can leverage our expertise in real-time messaging and video calls, using technologies like WebRTC and Firebase to ensure fast, reliable interactions. We also understand the importance of responsive design. With our front-end developers experienced in frameworks like React and Vue, we can deliver a fully optimized web app that works seamlessly across all devices. Let’s schedule a quick 10-minute 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 idea. Best, Adil
$22,55 USD på 40 dage
7,4
7,4

Hi there, I am excited about the Cassava Supply Connection Platform project. With a strong background in full-stack development and real-time frameworks like Firebase and WebRTC, I can architect and build a robust solution that facilitates seamless communication between cassava farmers and companies. My approach will ensure that users can exchange instant messages with features like read receipts and image sharing, while also offering one-to-one or group video call capabilities without leaving the app. I will develop both the responsive web app and companion mobile app to ensure a cohesive user experience across devices. I aim to deliver a solution that meets all your performance criteria, including instant message delivery and quick video call connectivity. Let’s discuss how we can bring this innovative platform to life!
$30 USD på 2 dage
6,5
6,5

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
$20 USD på 40 dage
6,6
6,6

Hello, I hope you are doing well. I understand that you are looking to build a SUPPLY CONNECTION PLATFORM and I would be happy to help. I have extensive experience in designing and developing Application and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.
$15 USD på 40 dage
7,2
7,2

Hi there, I'm offering a 25% discount on this project. With experience in agribusiness technology and marketplace platform development, I will build a cassava supply connection platform—directly linking farmers, aggregators, processors, and buyers to streamline sourcing, improve transparency, and create a more efficient cassava value chain. I'll start by understanding the key stakeholders in your cassava ecosystem and their specific needs. I will then develop a web and mobile‑friendly platform featuring farmer and supplier profiles with product listings and volumes, buyer and processor catalogs with purchase requirements, a listing and matching system for supply and demand, negotiation and contracting tools, quality specification and certification tracking, logistics and delivery coordination, and payment and transaction management. You'll receive a fully functional cassava supply connection platform, along with documentation for onboarding users and managing the marketplace. Let's connect cassava from farm to factory—efficiently and transparently. Best regards, Sohail
$15 USD på 1 dag
6,8
6,8

Hello As per your project post, you are looking to build a Cassava Supply Connection Platform that enables direct communication between cassava farmers and companies relying on cassava flour. The goal is to deliver a responsive web app and companion mobile app that share a unified, real-time database, providing seamless messaging and integrated one-to-one and group video calls without leaving the platform. My approach will focus on developing a secure, scalable communication ecosystem with: real-time messaging including typing indicators, read receipts, and media/file sharing, high-quality video calling across devices, responsive web and mobile interfaces, and a robust backend that ensures reliability and low latency. I will implement polished user interfaces optimized for usability in rural and urban environments, ensuring smooth interactions and mobile-first responsiveness. I specialize in building cross-platform real-time communication systems with video and messaging, delivering scalable and reliable solutions for marketplaces and collaborative networks. My focus will be on producing a turnkey platform that balances seamless communication, intuitive UX, and operational scalability. I am confident I can deliver a responsive, reliable, and real-time cassava supply connection platform. Let us connect to discuss your integration, UX, and scalability priorities in detail. Best regards Nikita Gupta
$15 USD på 40 dage
6,3
6,3

Hello, Hope you're doing great! I am a PHP Developer who builds secure, fast, and business-focused web applications. I work with both custom PHP and frameworks, and always ensure that every project is optimized, scalable, and easy to maintain. What I Do 1. Custom web applications & business automation tools 2. API development and integration 3. Secure login, admin panels, and dashboard systems 4. High-speed, mobile-friendly websites 5. Migration, bug fixing, and performance upgrades Why Clients Prefer My Work 1. Clean folder structure & scalable architecture 2. Fully optimized and secure coding practices 3. Excellent communication & professional approac 4. Quick turnaround time with regular updates Ready to Start Share your requirements or preferred reference — I’ll analyze it and provide: 1. Best technical plan 2. Exact timeline 3. Budget estimate Looking forward to building something amazing for you!
$15 USD på 40 dage
6,0
6,0

Nice to meet you , It is a pleasure to communicate with you. My name is Anthony Muñoz, I am the lead engineer for DSPro IT agency and I would like to offer you my professional services. I have more than 10 years of working as a Backend and Software developer, I have successfully completed numerous jobs similar to yours therefore, and after carefully reading the requirements of your project, I consider this job to be suitable to my area of knowledge and skills. I would love to work together to make this project a reality. I greatly appreciate the time provided and I remain pending for any questions or comments. Feel free to contact me. Greetings
$44 USD på 40 dage
5,9
5,9

Building a smooth, reliable chat and video platform for farmers and companies is absolutely doable with the right real-time tech. I would use Firebase for the messaging backend to get real-time syncing, typing indicators, read receipts, and file sharing—all proven to work well on low-bandwidth connections. For video calls, a WebRTC setup integrated into React (for web) and React Native (for mobile) will make sure calls start quickly and stay stable at 1 Mb/s uplink speeds. I’ve built a similar platform connecting supply chain partners, ensuring messages and video start quickly with minimal delays. For authentication and profiles, Firebase Authentication plus simple user headers will keep things light and secure. Two questions: 1. Should video calls support multiple participants beyond one-to-one and small groups? 2. Are you open to push notifications to alert farmers of chat or call requests, which improve responsiveness? I estimate the web and mobile apps, backend, testing, and documentation done within 6 weeks. I’m ready to start setting up the architecture and get the first working prototype live this week.
$15 USD på 7 dage
5,6
5,6

✋ Hi There!!! ✋ The Goal of the project:- BUILD A REAL TIME WEB AND MOBILE PLATFORM CONNECTING CASSAVA FARMERS AND BUYERS WITH INSTANT CHAT AND VIDEO CALLING. I carefully reviewed your requirement for a shared real time database, instant messaging with typing indicators and file sharing, one to one and group video calls, fast delivery under low bandwidth, and synchronized web and mobile apps with full authentication and profile setup. The focus on performance benchmarks and seamless communication is clear. With 9+ years experience as a full stack developer, I have built real time communication platforms using WebRTC and Firebase. • Real time chat with read receipts and cross device sync • Integrated WebRTC video calls optimized for low bandwidth • Unified backend with secure authentication and shared database I provide UI design, database management, testing, deployment, setup documentation, demo video, and full source code delivery. I have completed similar marketplace communication systems successfully. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$15 USD på 40 dage
5,5
5,5

With over a decade of experience in software development, I have not only perfected my coding skills, but also developed a keen eye for the importance of efficient and seamless communication within platforms. Having created an array of significant applications ranging from trading platforms to Smart Contracts, I strongly believe my understanding of real-time frameworks such as Firebase and WebRTC makes me a strong candidate for this project. The timestamp to deliver messages along with maintaining stable audio/video connections has always been at the core of my work. In fact, I've often accomplished better than what you seek in the acceptance criteria. As a trader, I understand the significance of prompt communication and the need for quick data transfer in real-time. These values mirror your specific project requirements. Moreover, my skills extend beyond just coding. As a legal attorney and business planner, I will ensure that all aspects relating to contracts, consultations and possible legal ambiguities are properly addressed throughout the development process. My experience, combined with my comprehensive knowledge base will offer holistic support throughout this project lifecycle. This includes concise setup documents for future troubleshooting as well as handing over the source code coupled with a short demo video to grant you full ownership at completion.
$20 USD på 40 dage
5,4
5,4

Hello, As an accomplished Full Stack Developer and Digital Solutions Expert, I've honed the skills necessary to create the robust platform you're envisioning for connecting cassava farmers with buyers. With proficiency in real-time frameworks such as Firebase and WebRTC, I can ensure that your app facilitates seamless and reliable communication through instant messaging, image/file sharing, and video calls, all delivered in real time without manual refresh. My competence spans across various front-end languages and frameworks like React, Flutter, and Vue. This means that whether it's a responsive web app or a mobile app version needed, I can deliver both from a common code base. Additionally, my expertise in React Native and Flutter guarantees a flawless mobile experience for your users. Moreover, I'm well-versed in the e-commerce arena which is crucial for this project as we'll be connecting buyers directly with farmers. My ability to optimize e-commerce platforms will ensure that your application not only meets but exceeds industry standards providing added functionality like user authentication and a simple profile header for each party. Overall, my unique blend of development proficiencies paired with my commitment to delivering high-quality solutions makes me the ideal choice for your project. Thanks, Arshiya
$20 USD på 40 dage
4,0
4,0

Hello! I will build a real-time web and mobile platform using React + React Native with a shared Firebase or Node.js backend. It will include secure authentication, instant messaging (typing, read receipts, file sharing), and WebRTC-based video calls. Web and mobile will sync in real time with no refresh. I’ll handle full-stack development, testing, deployment, source code handover, docs, and demo video. Estimated timeline: 5–7 weeks. Best Regards!
$15 USD på 40 dage
3,7
3,7

Hello!, I am a US-based full stack developer with over 10 years of experience in building practical and scalable systems. I’ve carefully read your project description about developing a cassava supply connection platform and I’m excited about the opportunity to help companies connect directly with cassava flour suppliers. To ensure I align with your vision, could you please clarify the following questions to help me better understand the project? 1. What specific features are you envisioning for the platform to facilitate these connections? 2. Are there any existing platforms or competitors you’d like to draw inspiration from? 3. What is your timeline for launching the platform, and are there any key milestones you have in mind? I have a strong background in building production-grade software, including systems that integrate AI and data pipelines. My approach combines engineering and business insights, focusing on creating solutions that are technically sound and ROI-driven. I’ve developed applications similar to what you’re aiming for, including a supply chain management tool for local farmers, an online marketplace for specialty foods, and a platform connecting small-scale distributors with retailers. I’m enthusiastic about the potential impact of your project and committed to delivering high-quality results. Let’s discuss how we can bring your vision to life! -James
$20 USD på 7 dage
3,2
3,2

Hello, ✅ FIRST CHECK MY WORK EXPERIENCE AND PORTFOLIO ✅— I’ve built production-ready real-time apps including field service systems with live tracking, background sync, role-based authentication, and scalable Firebase/WebRTC integrations. I specialize in high-performance React (web) and React Native (mobile) apps sharing one real-time database. For your platform, I’ll architect a unified system enabling sub-2s messaging, typing indicators, file sharing, and stable 1:1 or group video calls (WebRTC) across web and mobile — fully tested to meet your bandwidth requirements. Timeline: 30 days from architecture to deployment, including source code, docs, and demo video. As an added gift✅, I’ll also provide guidance to promote your app through social media marketing✅. Ready to start immediately.
$20 USD på 40 dage
3,1
3,1

Hey , I just finished reading the job description and I see you are looking for someone experienced in Flutter, Mobile App Development, PHP, Web Development, Full Stack Development, JavaScript, C# Programming and React Native. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? 1. I have done more than 250 major projects. 2. I have not received a single bad feedback since the last 5-6 years. 3. You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Syed.
$15 USD på 30 dage
2,8
2,8

Hello! Expert is HERE. After reviewing your project, I've found that Mobile App Development, Flutter, React Native, PHP, C# Programming, Web Development, JavaScript and Full Stack Development are my key skills. I have the expertise required for your project and am confident I can successfully complete it. With 10 years of practical experience, I will meet deadlines and deliver a flawless result. I would like to discuss your project in detail. Please feel free to contact me anytime. Thank you, Mo A.
$20 USD på 29 dage
2,5
2,5

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