5 stars review based on

Echo –
AI-Powered Telegram Mini App

Echo is a smart and seamless Telegram Mini App that connects businesses with top-tier talent through AI-powered matching.

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Team task

The client wanted us to build a mini-app that connects companies with top professionals through an AI-powered recruitment system, operating directly within Telegram. The project drew on our full-cycle Telegram mini-app development experience.

Colors

Team composition

  • Backend developer
  • Business analyst
  • Fronted developer
  • QA specialist

Used Technologies

React powers the Mini App interface, designed for the speed and simplicity that Telegram users expect. Node.js handles the backend logic, including AI matching and Telegram API integration, while PostgreSQL stores profiles, matches, and engagement data.

React Node.js PostgreSQL

11

features shipped in one Mini App

24/7

AI chatbot support and onboarding

2

user types served — businesses and talent

AI-Powered Telegram Mini App
Client profile

About the client

Echo viewed the hiring process as a problem of fragmentation. To hire even a single employee, companies are forced to switch between recruitment platforms, messaging apps, and spreadsheets, wasting time on each transition.

  • ai-powered matchmaking
  • airdrop system

The client’s idea was to move the entire process to the very place where communication already takes place: searching, evaluating, verifying, and direct communication — all in one place.

AI-Powered Telegram Mini App AI-Powered Telegram Mini App

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About Case

Project overview

Problem

Managing promising candidates for future projects was cumbersome because there was no reliable way to store their data and refer to it later. On top of that, everything had to work within Telegram’s mini-apps environment, where the onboarding process had to happen instantly; otherwise, users would simply close the window.

Final result

Echo launched as a scalable, AI-enhanced hiring ecosystem that lives entirely within Telegram. Businesses discover talent, verify legitimacy, and open a working conversation in a single flow — no platform switching, no lost context. We removed the friction points that slow hiring rather than reducing them, and the built-in incentive system gives the platform a growth engine from day one. Token-based rewards like these follow the same logic we apply in DeFi development.

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FAQ

Frequently asked questions

Helpful answers to the most common questions

How much does Web3 Development cost?

Project cost depends on scope, complexity, and the blockchain stack involved. After a discovery call we share a detailed, fixed-scope estimate — most engagements start from $20,000.

What is the size of the EvaCodes team?

EvaCodes is a team of 50+ engineers, designers, auditors, and project managers focused entirely on Web3 and blockchain product development.

What blockchain development stack do you cover?

We build across Ethereum, Solana, NEAR, Polygon, BNB Chain, TON, and Cosmos — writing smart contracts in Solidity, Rust, and Move.

Where are EvaCodes team?

Our distributed team works from offices in the United States, Ukraine, and Poland, covering every major timezone.

How much time you to develop the web3 project?

Timelines vary by scope. An MVP typically ships in 8–12 weeks, while larger protocols and marketplaces run 4–6 months including audit cycles.

How do EvaCodes ensure the solution's security so that it is not hacked?

Security is built in from day one. We follow proven best practices, run internal reviews, and partner with leading audit firms before every mainnet release.

What projects you did do, and with whom we can talk?

We've delivered 100+ projects across DeFi, NFT, GameFi, and infrastructure. We're happy to share relevant case studies and arrange reference calls.

Are you participating in the project? Do you take part of the payment in tokens?

Yes. We can join as a long-term technical partner and are open to flexible engagement models, including token-based compensation where it fits.

What is a Web3 developer?

A Web3 developer builds decentralized applications and smart contracts that run on blockchain networks, enabling trustless, on-chain interactions.
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