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Project Description I am looking for an experienced full-stack developer or a small development team to build the MVP of a modern web platform that combines several key components within a single ecosystem. The platform will include an AI-assisted interface, a professional services marketplace, a collaboration workspace for users and professionals, and a lightweight social interaction layer. The goal is to create a secure, scalable application where users can interact with an AI assistant, discover and connect with professionals, and manage interactions within the platform. ⸻ Core Platform Components Authentication & User Roles The system must support secure user authentication and role-based access. Different types of accounts will exist, including general users and professional accounts. Key requirements include: secure authentication profile creation and management role-based permissions account verification capabilities. ⸻ AI Assistant The platform will integrate an AI assistant that users can interact with through a chat interface. The assistant should be capable of answering questions using a structured knowledge base and guiding users through available features within the platform. The AI layer should function as a contextual helper that improves navigation and discovery. ⸻ Marketplace System The application will include a marketplace where users can browse professional profiles and interact with service listings. The system should support: professional profile pages search and filtering discoverable listings reviews and ratings service requests or purchases. ⸻ Collaboration Workspace When users engage with professionals through the platform, a dedicated workspace should be created to manage the interaction. This workspace should support document sharing, communication, and activity updates between participants. ⸻ Messaging System Real-time messaging between users and professionals must be included. Messaging should support threaded conversations, file attachments, and notifications. ⸻ Payments The platform must integrate a secure payment infrastructure. This should support: escrow payments milestone payments transaction records platform service fees. Stripe or a similar payment infrastructure is preferred. ⸻ Social Interaction Layer Basic social features should be available to support engagement within the platform. Examples include professional profiles, the ability to publish updates or articles, activity feeds, and simple follow interactions. ⸻ Security & Data Handling The system must be designed with security and scalability in mind. Requirements include secure authentication, encrypted document storage, proper access control, and scalable infrastructure to support platform growth. ⸻ Preferred Technology Stack Open to recommendations, but the preferred stack includes: React or [login to view URL] for the frontend Node.js for backend services PostgreSQL for database management Stripe for payments Cloud infrastructure such as AWS, Vercel, or Google Cloud. ⸻ Deliverable The goal of this project is to deliver a fully functional web-based MVP that includes the core modules described above, with clean architecture and well-documented code so that it can be maintained and expanded by an internal team after launch
ID Projek: 40302341
191 cadangan
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191 pekerja bebas membida secara purata €4,083 EUR untuk pekerjaan ini

With over a decade of experience in web and mobile development, I understand the complexity and importance of building a modern web platform that combines AI assistance, a marketplace, and case management. Your project requirements align perfectly with my expertise, and I am confident in delivering exceptional results for you. I have a proven track record in developing platforms for fintech, healthcare, and eCommerce industries, where the seamless integration of various components is crucial. My experience in AI/ML development will ensure that the AI assistant enhances user navigation and discovery within the platform. In past projects, I have successfully implemented marketplace systems, collaboration workspaces, and messaging systems that drive user engagement and interaction. My expertise in secure payment infrastructures and social interaction layers will contribute to creating a robust and user-friendly platform for your needs. I am eager to discuss your project further and collaborate on building a secure, scalable, and feature-rich web platform. Don't hesitate to reach out to me to get started on this exciting project.
€4,000 EUR dalam 45 hari
7.4
7.4

With over a decade of experience as a full-stack developer, I am confident I can bring your vision for this project to life. My portfolio showcases a diverse range of projects that align with the complexity and scale required for your web platform. I have profound experience in using Node.js and React.js, which are the top choices for your preferred tech stack. I have hands-on specialization in creating secure, scalable applications with robust authentication systems, including those with different user roles and permissions, which is central to your project. Additionally, I am adept at integrating AI into web applications to improve user experience and navigation. Through a structured knowledge base and intuitive design, I assure you an AI assistant capable of fulfilling your needs. Moreover, my accompanied skills in database development with PostgreSQL ensure efficient data handling, while my familiarity with Stripe guarantees smooth payment integration with transaction records – fulfilling all of your payment requirements.
€5,000 EUR dalam 90 hari
7.0
7.0

I HAVE BUILT AI-POWERED MARKETPLACES WITH SECURE COLLABORATION WORKSPACES AND SCALABLE PAYMENT INFRASTRUCTURES, AND I CAN DELIVER A ROBUST MVP FOR YOUR PLATFORM. I can develop a full-stack MVP that combines AI assistance, a professional services marketplace, collaboration workspaces, and a lightweight social layer. The system will be secure, scalable, and fully functional for initial launch, allowing your team to expand features later. Core Feature Authentication & User Roles: Secure sign-up/login, role-based access, profile management, and account verification. AI Assistant: Context-aware AI chat interface guiding users and enhancing navigation. Marketplace: Professional profiles, service listings, search & filter, reviews, ratings, and service requests. Collaboration Workspace: Document sharing, communication threads, and activity tracking for each user-professional engagement. User Roles: General Users: Search professionals, engage in collaboration workspaces, and communicate via chat. Professional Accounts: Manage services, workspace interactions, and view analytics. Admin: Oversee users, payments, and platform content. I will deliver complete source code, documentation, and 2 years of free ongoing support post-launch to ensure smooth operation and easy future enhancements
€4,000 EUR dalam 7 hari
6.3
6.3

Hello - your goal to launch a secure, scalable MVP that combines an AI-assisted interface, a professional services marketplace, a collaboration workspace, and a social layer is exactly the kind of challenge I excel at. This is my speciality: delivering secure, scalable MVPs that drive faster onboarding, trusted connections, and efficient collaboration. I'm Iosif Peterfi, 15+ years delivering end-to-end web platforms for European teams. I bring practical leadership, clear governance, and a focus on measurable business value. Portfolio: https://www.freelancer.com/u/iosifpeterfi Approach: I will deliver a cohesive MVP with integrated modules: secure authentication with role-based access; an AI assistant guided by a knowledge base to help navigation and feature discovery; a marketplace with professional profiles, search, reviews, and service requests; a collaboration workspace with document sharing and activity updates; real-time messaging with attachments and notifications; a payments layer supporting escrow and milestones; a social layer for updates and follows; plus robust security and scalable hosting. The plan targets faster time-to-value, higher conversion to paid engagements, and lower support burden through guided AI. Similar project story: In the consulting services sector, I recently delivered a platform that merged AI chat, marketplace, and workspace. Onboarding time dropped from 5 days to 1 day and support tickets decreased by 30%.
€3,600 EUR dalam 21 hari
6.2
6.2

As a full-stack powerhouse and founder of a skilled software development team, I am super excited about the opportunity to bring your ambitious Full-Stack Web Platform to life. My long-standing success in building robust and scalable digital products ensures that I am well-equipped to deliver your MVP with aplomb - from your authorize and user roles functionalities to AI Assistant integration, a secure Payment Infrastructure, down to Building-a-Marketplace from scratch. Your vision of a secure, scalable Full Stack Platform that caters to secure authentication and profile management, role-based permissions, comprehensive service listing features, real-time messaging capabilities powered by Node.js, React.js on the frontend coupled with my experience in using suggested payment systems like Stripe couldn't have been better aligned. Being an expert in AWS, Google Cloud or Vercel for cloud infrastructures coupled with my skills in AI/ML brings a unique dynamic to this project assuring its future-readiness.
€5,000 EUR dalam 20 hari
5.4
5.4

Hi there, I reviewed your requirements and this looks like something we can handle well. Building a full-stack platform with AI integration, marketplace functionality, and case management is exactly the kind of work we do regularly — Node.js, React, PostgreSQL, Stripe payments, the whole stack. I have a couple of questions about your vision for the AI assistant component and how it ties into the case management workflow. Would love to chat through those details. I have delivered 1500+ web and mobile projects over 14+ years — happy to share relevant examples. Thanks, Hasan
€3,000 EUR dalam 60 hari
5.5
5.5

As founder and CEO of Web Crest, I have assembled a capable team with over a decade of hands-on experience in building smart, scalable solutions. This project aligns perfectly with our areas of expertise as we specialize in developing intelligent platforms like the one you've described. Our proficiencies in technologies such as Node.js and React.js make us ideally suited to create the web-based MVP you need. Throughout our 10-year journey, we've tackled various projects integrating AI components, ranging from chatbots to machine learning systems. By melding our AI capabilities with secure payment infrastructures like Stripe and using cloud-native architectures such as AWS, Google Cloud, or Azure, we ensure information security and scalability. We also have strong proficiency in web development frameworks like MERN or MEAN stack and will employ the best for this project. Our deliverables consistently receive positive feedback for clean architecture and well-documented code that is easily maintained and expanded by internal teams post-launch. We don't just build; we create long-term technology partnerships. By choosing Web Crest, not only will you get a fully functional web platform but a team that understands your business and its potential growth. So why waste time searching further? Let's build something transformative together!
€3,000 EUR dalam 7 hari
4.4
4.4

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
€8,158 EUR dalam 7 hari
4.9
4.9

Hi there, I’m Kristopher Kramer from McKinney, Texas. I’ve worked on similar projects before, and with over 15 years of experience as a senior full-stack and AI engineer, I have the expertise to deliver this properly. I’m available to start right away and would be happy to discuss the details whenever it’s convenient for you. I look forward to speaking with you. Best regards, Kristopher Kramer
€5,000 EUR dalam 21 hari
4.7
4.7

hi! i have reviewed the details of your project and i can do this!!. we have handled similar projects successfully, and I am confident we can deliver high quality results for you. i will first understand exactly what you need, then plan everything step by step to make sure the work runs smoothly. we prefer clear communication and regular updates so that the project progresses smoothly and meets your expectations. let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. I will share my portfolio in the chat to show relevant examples of our past work. looking forward to your response. mughiraa
€4,000 EUR dalam 7 hari
4.3
4.3

This project is all about building a secure, scalable web platform with many parts that need to work smoothly together. A key step will be setting up robust user roles and authentication so professionals and users access the right features and data safely. I’ve helped a client launch a marketplace with role-based permissions and real-time messaging before, where we used React and Node.js to deliver a responsive UI and a solid backend. The AI assistant here sounds like a useful guide for users navigating complex features. Have you considered which knowledge base format you want to start with? That will shape how the AI answers queries and guides discovery. For payments, integrating Stripe with escrow and milestone capabilities is straightforward, but do you have a flow in mind for holding and releasing funds tied to project milestones? Also, small social features like profiles, updates, and follows can boost engagement without heavy overhead if designed practically. I can build the MVP with clean code and modular structure to support your scaling needs and easy handoff. Ready to dive in and map out the architecture to get the core platform running promptly.
€4,000 EUR dalam 7 hari
2.9
2.9

I see you need a full-stack developer to build an MVP web platform combining an AI assistant, marketplace, collaboration workspace, and social features, all within a secure and scalable ecosystem. Your focus on role-based authentication, real-time messaging, and payment integration highlights the complexity and importance of this project. The requirement for secure user roles with account verification, alongside an AI chat interface that guides users through the platform, clearly shows your goal to create a seamless experience. Including a marketplace with professional profiles, service listings, reviews, and an escrow-enabled payment system like Stripe also adds layers of interaction and transaction security that need careful design. I have built similar platforms using React and Node.js, integrating PostgreSQL for complex user roles and permissions, and implemented AI chatbots that leverage structured knowledge bases for contextual assistance. I developed real-time messaging with file attachments and notifications, plus Stripe payment flows supporting milestones and escrow, ensuring smooth user and professional interactions within the app. I can deliver a clean, well-documented MVP within 8 weeks, balancing functionality and scalability. Let’s discuss your priorities to ensure the platform meets your vision and can be maintained easily after launch.
€3,300 EUR dalam 7 hari
2.2
2.2

Hi there, You’re building a full-stack platform that merges AI guidance, a services marketplace, messaging, payments, and a collaboration workspace, meaning the biggest pain point is integrating all these modules into one secure, scalable system. I’ve spent the last 5 years building complex multi-role platforms with AI chat layers, marketplaces, and real-time messaging, so I can streamline this MVP from architecture to deployment. I’ll implement role-based authentication, build the AI assistant using a structured knowledge layer, develop marketplace and workspace modules, integrate escrow/milestone payments with Stripe, and ensure encrypted storage with scalable cloud hosting. Clean documentation and modular structure will be delivered for handoff. Best regards,
€4,440 EUR dalam 3 hari
1.0
1.0

Buenos días, soy Adrián. Somos una empresa de desarrollo de software de Castellón. Nos gustaría concretar más detalles acerca del proyecto. ¿Podríamos concertar una reunión y comentar con más detalle? Tenemos amplia experiencia demostrable en proyectos similares. Un saludo y gracias.
€4,000 EUR dalam 7 hari
0.0
0.0

As a seasoned full-stack developer and architect with over 13 years of experience, I yield my expertise in crafting high-performance applications that scale seamlessly, ensuring ROI for startups and enterprises. I perceive your project's significance in delivering a multifaceted web platform where users can effortlessly interact and manage data securely. My extensive background in HTML, CSS, Node.js, PostgreSQL, and React.js perfectly aligns with your preferred stack. Furthermore, my proficiency extends to building intelligent chatbots like the AI assistant you desire. I have efficiently integrated contextual helpers in past projects which have improved user navigation and engagement. Considering the marketplace aspect of your platform, I have skillfully created similar systems before which involve profile management, search functions, review mechanisms among others. Lastly, I am well-versed in enabling real-time communication features between users and professionals as per your messaging system requirements. Be it secure payment infrastructures or implementing social media-like interactions, my robust technical skills tied with strategic thinking paves way for highly functional platforms that aid continual growth and provide an unparalleled user experience. This project is an ideal manifestation of my capabilities. Let's connect for a detailed discussion about your vision and how we can achieve it promptly and proficiently!
€4,000 EUR dalam 30 hari
0.0
0.0

Hi, I specialize in building robust, scalable platforms while implementing the latest technological advancements. Your vision of incorporating an integrated AI-assistant, marketplace system, collaboration workspace, messaging system, payments infrastructure and basic social features not only resonate with me but are also already hallmarks of my work. Throughout my career, I have successfully developed highly secure and sophisticated projects with advanced features similar to what you require. Furthermore, as someone who understands that long-term success is underpinned by clean codes and sustainable architecture, I will ensure that documentation for your platform is extensive and comprehensive for easy maintenance and future expansion. One factor that distinguishes me from the pack is my unique blend of skills- combining Backend Development with AI proficiency and practical experience in using PostgreSQL which is exactly aligned with your tech-stack preferences. Lets Connect
€3,500 EUR dalam 25 hari
0.0
0.0

Málaga, Spain
Ahli sejak Mac 15, 2026
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$15-25 USD / jam