Veltos.Tech

Development

Web app and Telegram Mini App development

For when a site is no longer enough and you need a product: an account area, a dashboard, an internal tool or a Mini App inside Telegram. We design the architecture, write the backend and frontend, and take it to release.

Pricing
From $4,100
Timeline
An MVP takes around 14 days. A full application with multiple roles, payments and integrations, from 6 weeks.

A starting price. The total depends on scope, integrations and deadlines.

In short

Web app and Telegram Mini App development starts at about $4,000, with an MVP in roughly 14 days. That covers architecture, API, database, frontend, admin panel, authentication and deployment. A Telegram Mini App differs in that authentication runs through Telegram and the interface follows platform rules, which removes the signup step entirely.

From idea to MVP

A first version exists to test a hypothesis, not to be complete. We help cut everything that can wait: we list the user journeys, mark the ones without which the product makes no sense, and build those first. The rest goes into an estimated backlog, so you can see what the project becomes next and what it will cost.

When a Telegram Mini App beats a website

A Mini App lives inside the messenger where your audience already is. No install, no signup: the user is authenticated by their Telegram account. That cuts drop-off at the entrance sharply and works well for booking services, shops, loyalty programmes, internal tools and anything driven by notifications.

The limits are real too: the interface follows platform guidelines and payments run through supported providers. We discuss that before starting, so nobody hits a Telegram rule halfway through the build.

An architecture someone can maintain

We write TypeScript on both sides, keep business logic separate from the interface, use database migrations and keep environments apart: local, staging, production. These are unglamorous things, but their absence is exactly why inherited projects become impossible to extend. The code and documentation go to you, so any other team can pick it up.

What the work includes

  • A journey map and an agreed MVP scope
  • Architecture design and data model
  • API and backend with authentication and access control
  • Application or Mini App frontend, responsive
  • Admin panel for data and user management
  • Integrations: payments, notifications, third-party services
  • Dockerised deployment with separate environments
  • Documentation, source code and credentials

How we work

  1. 01

    Discovery

    We work through the problem, the users and the constraints, and define what the first version actually tests.

  2. 02

    Architecture and estimate

    Data model, API, stack, infrastructure. A staged estimate plus a backlog for what comes later.

  3. 03

    Interface design

    Key screens, states, empty states and errors, which are the parts usually forgotten.

  4. 04

    Sprint delivery

    Iteratively, with a working build on staging at the end of each one.

  5. 05

    QA and release

    Functional testing, load testing where relevant, deployment and handover.

Technology and tools

  • React
  • Next.js
  • TypeScript
  • Node.js
  • NestJS
  • Go
  • PostgreSQL
  • MongoDB
  • GraphQL
  • Docker
  • Kubernetes
  • Nginx

Selected work

Frequently asked questions

How much does a web app cost?

From about $4,000 for an MVP with one core journey, authentication, a database and an admin panel. The price grows with the number of user roles, integrations, load requirements and whether payments are involved. What drives an estimate is not the screen count but the logic: calculations, permissions, exchange with external systems. So we design first and give firm staged numbers after.

What is a Telegram Mini App and who is it for?

It is a web app that opens inside Telegram and uses its authentication. Nothing to download, nothing to sign up for, since the user is already logged in. It suits services that need a fast entry and repeat contact: booking, delivery, loyalty, shops, internal team tools, bots with a real interface. It does not suit cases needing device capabilities the web lacks, or a design that ignores the platform guidelines entirely.

How fast can an MVP ship?

Around 14 days if the scope is genuinely minimal: one core journey, one user role, no complex integrations. A realistic figure for most product MVPs is 4-6 weeks. You can go faster by cutting functionality, not by cutting the team. Trying to hit a date by skipping design and testing usually comes back as rework that costs more than the time saved.

Do you support the app after launch?

Yes, when you want it. Support can cover hosting and monitoring, dependency and security updates, bug fixing and new feature work. Terms are agreed separately, usually either monthly hours or a defined set of tasks. If you would rather run the project with your own team, we hand over code, documentation and access, and walk them through it if needed.

Can we start small and grow?

That is the preferred route. We split the project into stages where each one produces something that works, rather than half a system. After the first stage you can stop, change direction or continue. The architecture is planned for growth without being over-engineered for features that may never be built.

Want to talk it through?

Tell us what needs building. We will work through the task, propose an approach and send a staged estimate. No charge, no commitment.

Related services

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