Web application and client account development
I design and build services with authentication, a database and an API: from an internal admin panel to a customer portal.
What is included
- Data and API design
- Authentication and roles
- Admin panel for content management
- Calculators, catalogs and filters
- Notifications to Telegram and email
- Integrations with external services
Who it is for
- Companies moving a process from spreadsheets into a service
- Startups that need an MVP
- Projects with a catalog and filters
Result
A working service with a clear admin panel and API documentation.
Examples
Da Nang House
A catalog of rental housing in Da Nang with a bot, a Mini App, subscriptions to new listings and auto-posting to a group.
HotTrip
An ecosystem around flights and tours: a portal, an AI bot, a Telegram Mini App, an API and an automated channel.
Related articles
A Telegram Mini App catalog: API design, filters and subscriptions
A Mini App catalog rests on three parts: an API with filters and pagination, user verification by initData and a subscription worker that matches new items against saved criteria and sends notifications through the bot. One database and one API serve both the website and the Mini App.
Telegram · Oct 29, 2026Telegram Mini App or a website: what to choose for a catalog
A Mini App fits when your audience is already in Telegram and you need subscriptions and notifications. A website is needed for search and SEO. The best setup is both: the site attracts, the Mini App retains.
Business · Oct 27, 2026How much a website and automation cost: what the price is made of
Price depends on scope, number of integrations, data complexity and reliability requirements. It is cheaper to start with a minimal working version and grow it from real usage.
FAQ
Can we start with an MVP?
Yes. I pick the main scenario, launch it quickly and grow it based on real usage.
Tell me about your task
Describe what needs to be done, even in a couple of lines. I will reply with questions or an estimate.