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I’m building a double-sided appointment system that launches first in the healthcare space, then rolls out to business-consulting professionals without having to rewrite core logic. The app must let patients search by specialty, see real-time availability, and secure an appointment in a few taps, while doctors manage their own calendars, set custom slots, and track completed visits. In phase two, that same flow should serve business consultants and their clients just as smoothly. Think of it as one code-base, two verticals. Key expectations • iOS, Android and responsive web front-ends sharing a single back-end (Node, Django or comparable: open to your recommendation) • Secure user authentication, role-based dashboards for providers and clients, and encrypted data at rest/in transit • Calendar sync (Google / Outlook), timezone handling, and automatic reminders via email & push • Real-time status updates so both sides always know whether an appointment is booked, cancelled or running late • Scalable database structure that stores provider profiles, client information and appointment history in a way that can later hold consultant-specific metadata • Clean, well-documented code and hand-off of all source files, plus a short video walkthrough of the admin panel Acceptance criteria 1. A new patient can sign up, search for a doctor by specialty, and confirm an appointment that shows immediately on both calendars. 2. A doctor can adjust availability, see upcoming bookings, and mark a visit as completed. 3. Switching the “provider” role from doctor to business consultant requires only seeding new profile fields—no change to workflows or APIs. If this sounds like a challenge you can own end-to-end—from architecture and UI design to deployment—let’s talk timelines and milestones. MUMBAI BASED DEVELOPERS ARE PREFERRED
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165 freelancers are bidding on average ₹80,731 INR for this job

i, One appointment engine. Two industries. Built once, designed to scale. ? This is exactly the kind of scalable, multi-role platform we specialize in building. With 16+ years of experience, Sphinx Solutions can take this end-to-end—from architecture and UI/UX to development, integrations, deployment, and handover. We can build a shared backend and workflow supporting Healthcare first and Business Consulting in Phase 2, without rewriting the core appointment logic. We can handle: iOS, Android & responsive web Secure authentication and role-based dashboards Real-time availability, booking & status updates Google/Outlook calendar synchronization Timezone handling and email/push reminders Scalable provider/client data architecture Secure APIs, database and cloud deployment Admin panel, documentation and walkthrough We’d love to understand your current requirements, preferred timeline, and budget so we can suggest the right architecture and milestones. Please share the best em ail/ph one/Wha ts Ap p /Lin kedIn con tact details to connect, or let me know a convenient time for a quick call.
₹75,000 INR in 7 days
8.6
8.6

Hi Valuable Client, Here is our structured methodology to architect and build your Multi-Vertical Healthcare & Consulting Booking Platform: Domain-Driven Multi-Tenant Architecture: Architect a single, unified backend (Node.js/TypeScript or Django) paired with cross-platform mobile (React Native) and responsive web frontends. We use generic provider-client schema abstractions so switching from Healthcare to Consulting requires zero core API rewrites. Smart Calendar Sync & Booking Engine: Build a dynamic availability and slot management system featuring real-time calendar synchronization (Google/Outlook), multi-timezone handling, instant booking confirmation, and automated push/email reminders. Role-Based Security & Compliance: Implement secure JWT/OAuth2 authentication, strict Role-Based Access Control (RBAC) for patients, doctors, and admins, and end-to-end data encryption (at rest and in transit) to ensure healthcare-grade compliance. Real-Time Event Architecture: Integrate WebSockets/Firebase Messaging for real-time status updates across booking lifecycle states (booked, running late, completed, canceled). Testing, CI/CD & Handover: Conduct full-stack QA, deploy to cloud infrastructure (AWS/GCP), and provide complete source code, technical documentation, and a video walkthrough. Ready to share relevant booking platform builds and start!
₹75,000 INR in 15 days
8.0
8.0

Hi, I am excited by your vision for a versatile appointment platform that bridges healthcare and consulting. With extensive experience in developing scalable, secure web and mobile apps using Node.js and React Native, I am confident in delivering your iOS, Android, and responsive web front ends connected to a single robust backend. I will ensure seamless calendar sync with Google/Outlook, role-based security, timezone handling, reminders, and real-time updates. My clean, documented code and thorough admin walkthrough will ensure smooth handoff. Let's discuss timelines and milestones to get started quickly. What unique feature do you envision to make your dual-vertical platform stand out? Thanks, MD RAIHAN
₹87,415 INR in 2 days
8.1
8.1

Hello, With over a decade in the business, my team at Cloud1 Web Solutions has established a reputation for creating high-quality and reliable web solutions. We specialize in web and mobile app development, using AngularJS, Node.js, Python, and JavaScript to create robust platforms that can meet all your requirements. Our expertise in backend development and database management will ensure that your appointment system is scalable, secure, and adaptable to future needs - making the transition from healthcare to consulting phase smooth and easy. We have extensive experience developing secure user authentication systems, role-based dashboards, timezone handling, calendar sync with Google/Outlook, automated reminders via email & push. Additionally, our proficiency in relational databases ensures the best data structuring- storing historical appointment data while easily incorporating new consultant-specific fields. I assure you top quality work within desired time frame - transitioning smoothly from healthcare to consulting! thank you Regards Gaurav Garg
₹75,000 INR in 25 days
7.4
7.4

Hello, I have 10 years of experience developing appointment platforms, healthcare applications, SaaS products, and mobile solutions for Android, iOS, and web. I recommend React.js for the responsive web interface, React Native for mobile apps, and Node.js with REST APIs for a shared, scalable backend. I would design provider and client workflows around reusable role-based modules so doctors and future consultants can use the same booking, availability, reminder, and status logic without rewriting the core system. The platform would include secure authentication, calendar synchronization, timezone-aware scheduling, push and email notifications, real-time appointment updates, encrypted data handling, and an extensible database structure. I would also provide the requested admin walkthrough. Let’s discuss the calendar providers and milestones for the healthcare launch. Best regards
₹50,000 INR in 7 days
7.1
7.1

The central challenge is making healthcare and consulting two verticals of the same appointment product—not two separate applications. The provider workflow, availability engine, booking rules, reminders, calendar synchronization, and appointment states should remain shared, while profile fields and vertical-specific metadata can evolve through configuration and database extensions rather than duplicated APIs. I’d structure the platform around clear provider/client roles and a reusable booking domain. Provider availability would support custom slots, timezone-aware scheduling, calendar conflict checks, and status transitions such as booked, cancelled, running late, and completed. Authentication and permissions would be enforced consistently across the mobile and web clients, with sensitive data protected in transit and at rest. The API layer should keep business rules centralized so iOS, Android, and responsive web behave consistently. On the front end, reusable search, profile, calendar, dashboard, and booking components would reduce divergence between healthcare and consulting flows. Server state would remain separate from local UI state, with deliberate loading, empty, validation, and error handling so booking actions remain clear even when calendar or notification services respond slowly. Real-time updates can keep both parties synchronized, while email and push reminders are handled through dependable background jobs. The result is a maintainable foundation where adding consultant-specific fields does not require rewriting the booking workflow, while still allowing each vertical to present relevant provider information. I’ll keep the implementation documented, organized for hand-off, and include the requested admin-panel walkthrough and complete source delivery. Which API contracts, authentication flow, and calendar-provider requirements are already defined, and are UI designs or Figma files available for the shared mobile and web components?
₹65,500 INR in 7 days
6.7
6.7

Your biggest risk is building two separate systems disguised as one codebase. If your data model hard-codes "doctor" and "patient" instead of generic "provider" and "client" roles, phase two becomes a full rewrite that costs you 6 months and burns your runway. Quick questions - are you planning HIPAA compliance from day one since healthcare data triggers federal audit requirements? And what's your expected concurrent booking load at launch so I can size the database and queue architecture correctly? Here is the architectural approach: - ROLE-BASED DASHBOARDS: Build a polymorphic user model where "provider_type" determines specialty fields (medical license vs consulting certifications) without duplicating authentication or calendar logic. - REAL-TIME STATUS UPDATES: Use WebSocket connections with Redis pub/sub so appointment state changes (booked/cancelled/running late) push instantly to both parties without polling your database every 5 seconds. - SCALABLE DATABASE STRUCTURE: Design a normalized schema with provider_metadata as JSONB in PostgreSQL, letting you store doctor-specific fields now and consultant-specific fields later without schema migrations that lock tables during traffic spikes. I've built similar multi-tenant booking systems for 2 telehealth platforms that scaled from 500 to 40K appointments per month without refactoring core APIs. Let's schedule a 20-minute architecture review so you can validate the approach before committing budget to the build.
₹67,500 INR in 21 days
7.4
7.4

Building a top-of-the-line healthcare and consulting booking platform requires a team with deep expertise in various fields, like the one at Web Crest. With our extensive knowledge and experience in AI, front-end and back-end development, mobile applications, and API integrations, we have the perfect skillset to tackle the complexities of this project. We're comfortable using your preferred technologies, such as Node.js or Django, or can make recommendations if you're open to it, always keeping security and performance at the forefront. A key strength of ours lies in creating adaptable solutions that stand the test of time. The fact that you're looking for a code-base that can be easily repurposed for consultants is a testament to your future-forward thinking, and we perfectly align with this vision. We'll lay a strong foundation to accommodate additional functionality without disrupting critical operations, making the transition from doctors to business consultants seamless. Lastly, I would emphasize our focus on long-term support. This platform will inevitably evolve over time, whether adding new features or scaling up to support more users. By choosing us, you're not just receiving a one-off product but entering into a reliable partnership backed by responsive communication and comprehensive technical assistance. Let's transform your idea into a scalable reality together!
₹100,000 INR in 7 days
6.6
6.6

Hi I have read your requirements and I am sure I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native and for web and backend on react js and node js, Python Django. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹50,000 INR in 30 days
6.5
6.5

With my expert command over Node.js and Python, I can deftly handle the complex backend infrastructure of your healthcare and consulting booking platform. My proficiency in mobile app development coupled with my extensive background in web development makes me the ideal candidate to ensure a seamless user experience across iOS, Android, and responsive web front-ends. More importantly, I bring to the table an in-depth understanding of cloud technology which is paramount for creating scalable databases and robust security features like secure user authentication, encrypted data, and automatic reminders. This will be pivotal as we pore over your project's acceptance criteria. Speaking of which, the idea of maintaining "one code-base, two verticals" fuels my enthusiasm to take ownership of this project. Seamlessly transitioning the “provider” role from doctor to business consultant with minimal workflow disruptions is one of your key expectations which resonates closely with my skill set. I understand the intricacy of this double-sided appointment system, especially the importance of real-time status updates for both patients and doctors/consultants and ensuring timezone coordination for calendar syncing.
₹75,000 INR in 7 days
6.1
6.1

I can build the double-sided appointment system you need, ensuring real-time availability for patients and easy calendar management for doctors. I’ll start by outlining the architecture and selecting the ideal tech stack, likely Node or Django, based on your requirements. Based in Toronto, I work efficiently and am always available for quick updates or questions as we move forward.
₹50,000 INR in 7 days
6.0
6.0

As a seasoned full-stack developer and head of a proficient development team, I bring the essential skills required to bring your healthcare and consulting booking platform to life. With extensive experience in both web and mobile development, I can expertly handle the needs of your project on iOS, Android, and responsive web fronts while ensuring smooth synchronization across multiple platforms. My expertise with databases such as MySQL, PostgreSQL, and MongoDB contributes to the promise of building a scalable structure capable of accommodating expanding metadata with ease. Developing secure solutions has always been my priority, and building on technologies like Node.js or Django will only enhance the security of user authentication processes. The seamless integration of Google/Outlook calendar sync and automated reminders with timezone handling also aligns perfectly with my skill set. Additionally, my firm understanding of REST APIs and GraphQL enables me to create a strong back-end architecture to support real-time status updates.
₹75,000 INR in 7 days
6.1
6.1

Hello Client, Greeting of the day!!!! I read your job description I have sound of five years plus experience in App development. I have been DEVELOPED 35+ Apps, three taxi apps, Two socials apps and restaurant apps based on GPS location and notification functionality and based on different domain like sports, Health, GYM, personal business and social etc I have testing team for testing apps. I think I am strongest person for doing this job and provide the quality product with testing. I am always available for your support. Thanks Sr. Mobile Developer
₹50,000 INR in 10 days
6.6
6.6

Your plan to launch a double-sided booking platform that first fits healthcare, then smoothly expands to consulting, makes sense with a single code base approach. I’ve built appointment apps that let users book by specialty and sync calendars in real time, so I understand the need for seamless, instant updates on all devices. To handle backend choice, Node or Django both work well, but I’d lean toward Node if you want easier real-time features with websockets. For calendar sync, will you require two-way updates (e.g., changes in Outlook reflecting back in your system), or mostly one-way pulls? That will affect integration complexity. I recommend designing a flexible database schema upfront to separate common provider info from vertical-specific details, so adding consultants later means minimal restructuring. Also, real-time status tracking with reliability often benefits from a pub/sub system to instantly notify users. Based on your acceptance criteria, I can deliver clear patient/provider flows and ensure role switching is straightforward with a config-based approach, plus clean documentation and an admin walkthrough video. Let’s discuss a timeline to get this started.
₹50,000 INR in 7 days
5.9
5.9

Hello! Based on your project description, you are looking to build a Double Sided Appointment Platform for healthcare first, with the same core booking workflows later supporting business consultants. The platform will include specialty based provider search, real time availability, booking, calendar management, role based dashboards, reminders, appointment status updates, and a flexible backend that can support both verticals without rewriting the core logic. I will focus on delivering a clean and intuitive experience across iOS, Android, and responsive web with a scalable backend, secure authentication, Google and Outlook calendar sync, timezone handling, push and email reminders, real time appointment updates, and well structured provider and appointment data. I will also ensure the architecture is designed for a smooth phase two expansion into consulting. I specialize in mobile and web development with 7+ years experience and I have done similar work in past please open the chat window so I can share with you. Thank you for considering my proposal. I look forward to hearing from you soon. Best regards, Nikita Gupta.
₹100,000 INR in 36 days
6.0
6.0

Hello, I will build your double-sided booking platform on one backend serving iOS, Android, and responsive web, so doctors and patients get real-time availability, role-based dashboards, and Google/Outlook calendar sync with email and push reminders. The schema will separate provider profiles from specialty metadata, so phase two swaps doctors for business consultants without rewriting workflows or APIs. I can start today. I will also encrypt data at rest and in transit, with timezone-aware slots and live status updates for booked, cancelled, or running-late visits. Questions: 1) Do you prefer Node or Django for the backend? 2) Native iOS/Android or React Native for the mobile apps? Looking forward to discussing further. Regards, Shayan.
₹67,500 INR in 9 days
5.4
5.4

Hello, I reviewed your project requirements for Healthcare & Consulting Booking Platform and can build a professional, responsive website with all the features you need. I have experience developing modern websites focused on performance, user experience, and lead generation. I'm available to start immediately and would be happy to discuss your requirements in detail.
₹75,000 INR in 7 days
5.2
5.2

If you are looking for a technology partner who can transform your idea into an efficient and reliable digital product, then look no further. With a wealth of experience in Backend Development, Database Management, JavaScript, Mobile App Development, Node.js, Python, and Web Development-compounded by my strategic planning and execution skills- I am confident that I am the perfect fit for this project. My adeptness in multiple technologies including PHP/Laravel, JavaScript, React.js, Node.js, Python and many more is a testament to my ability to leverage the most fitting tools for your specific needs. When it comes to data management- a key requirement for your healthcare and consulting booking platform - my proficiency with MySQL ensures that your data is seamlessly handled and securely stored. What sets me apart is my unwavering commitment to developing clean, well-documented code ensuring that hand-off and maintenance post-project completion is hassle-free. Additionally, my experience with cloud infrastructure and deployment will ensure scalability as your platform grows. Let's embark on this journey together- turning complexity into simplicity and transforming your vision into a system designed for long-term success.
₹50,000 INR in 2 days
4.9
4.9

The real design decision here is keeping “provider” generic from day one so doctors and consultants use the same booking, availability, reminder, and status workflows without branching the API later. I’d model specialty/profile fields as vertical-specific metadata while appointments, calendars, users, roles, and notifications stay shared. I’d use Django or Node with PostgreSQL, role-based auth, timezone-safe slot generation, Google/Outlook calendar sync, push/email reminders, and real-time booking updates across web and mobile. I’ve built database-backed SaaS flows with authentication, scheduling, permissions, and third-party integrations. I’d start by locking the provider/appointment schema first, because that determines whether phase two is genuinely configuration-only rather than a rewrite.
₹50,000 INR in 7 days
4.6
4.6

**DO NOT PAY ME UNTIL I COMPLETE! :)** Hello my valuable client :) I can definitely work on your working hours. My profile is new over here but I have 7 years of experience in this field. I have completely understood about your project. Also I will provide you free maintenance on your project for 1 year after project completion. Give me one chance to prove myself. Hit the chat button to get started. If you will not like my work then you dont need to pay me any money so dont worry and have faith in me :) I am eagerly waiting for your message.
₹55,000 INR in 7 days
4.5
4.5

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