Develop a mobile application

Good day, Ruslan! 👋

I am a Full-Stack developer (React Native + Expo + Node.js + NestJS) with experience in creating mobile applications for iOS/Android, including payments, video/audio calls, chat, analytics, and backend on Firebase or a custom server. I work with technologies and services such as Firebase, Stripe, RevenueCat, OneSignal, Mixpanel, PostHog, WebRTC, TurboSMS, Google Console, Apple Developer Console, Heroku, AWS, DigitalOcean, MongoDB, PostgreSQL, etc.

For your project, I see two possible implementation options 👇

🔹 Option 1 — Custom backend
Backend on NestJS + WebRTC + Socket.io + Stripe/WayForPay, mobile application on React Native (Expo).
Advantages: full control over logic, no monthly payments for third-party services.
… Cost: ~$6,000–8,000
Timeline: ~6–8 weeks

🔹 Option 2 — External video/audio service (Twilio / Agora / Daily.co)
Integration of a ready-made SDK for calls, implementation of bookings, chats, and payments through Stripe or RevenueCat, Firebase for Auth.
Advantages: faster launch, stable call quality.
Cost: ~$4,000–6,500 + service $50–200/month
Timeline: ~4–6 weeks

I am ready to discuss the details, help with choosing the optimal architecture, and formulate an accurate development plan.

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Hello, Ruslan!
I am interested in your project, our team can implement your mobile application for online consultations. We have done something similar, namely a web and mobile platform for finding specialists nearby (analogous to the Kabanchik resource). We take all the work upon ourselves turnkey, from design to testing and support.
Let's discuss the details.

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Good day, Ruslan.
I have 10 years of development experience, working with the tech stack on React Native (+TypeScript), React.js (Next/SSR +TypeScript), backend Node.js (Express/Nest) + MongoDB, FireBase + TS.
Do you have a more detailed specification?
Write to me, I will be happy to collaborate.
Best regards, Oleksiy.

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Hello!
I have experience in developing such projects. I am ready to work on the development of your mobile application. Please let me know if you have a detailed technical specification and design for the mobile application? This would help to understand the scope of work and provide an estimate for time and cost of development. I am also interested in whether the backend for the application is already ready.
The rate is currently a template.

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Hello, I have experience in implementing applications from idea to publication.
I would be happy to help you!

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Hello! I am a fullstack developer of IOS/Android applications with experience. I have developed an application on a similar topic with extensive functionality and an admin panel, and I have a vision regarding this. There is also a designer on the team who will create a great UI/UX design for the product. I am ready to discuss and start development soon. Here is my portfolio: Freelancehunt

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Good evening!
We can do your project.
Payment can be made to an individual entrepreneur with a contract for your peace of mind, and it can be in parts so you can see the results.
Also - we will make a call with our technical specialist so you can discuss all your wishes.
Let's discuss all the details.
We will be happy to cooperate!

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Ready to develop a turnkey mobile application, you can provide your wishes for the application and any additional specifications for a better assessment.

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Good day
I am ready to collaborate - I have already worked in this field). I have extensive experience in project management, including writing Technical Specifications (TS), testing, selecting and working with designers and developers to achieve the results you need. I am confident that I can help you) The hourly rate, I would be happy to discuss in more detail with you)

Experience as a PM in website and mobile app development (plus advertising) for about 4 years in the office and now over 4 years remotely.

I am in the TOP - 1 as a technical writer
In the TOP - 2 in project management
In the TOP - 7 in testing

… I am ready to assist in client management, task setting for developers, testing, documentation writing, prototyping, and consulting not only on general issues but also on development stages.

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