PETR TCOI
RU

Full-stack engineer focused on real business products.

I build websites and products that turn traffic into qualified leads and paying users.

Next.js / Astro / React / Node / Laravel

Discuss a projectTelegram
  • 6+ years in development
  • 50+ delivered projects
  • SaaS / Web / Bots
Selected work ↓

What I build

Websites

Marketing websites and ecommerce experiences focused on conversion.

Web applications

React interfaces, dashboards, and user panels with clear product flows.

Backend systems

APIs, integrations, and automation for business operations.

Telegram bots

Sales bots, support bots, and CRM-connected workflows.

Products I build

Telegram automation

Bots, CRM integration, subscriptions, and admin panels for daily operations.

SaaS platforms

Multi-tenant architecture, billing, access roles, and product dashboards.

Web3 products

Wallet flows, Solana integrations, and practical on-chain interaction logic.

Selected projects

Monavo

Open

Telegram-first Web3 platform for token swaps on the Solana network. The system uses Cloudflare Workers as an edge API gateway and a private swap engine for transaction preparation and Solana interaction. The architecture is focused on distributed-system reliability, strict API contracts, and secure service isolation.

Cloudflare Workers / Web3 / Solana / Hono / React

ShowMeHome

Open

Real estate catalog platform focused on property listings in Thailand. The product includes an admin panel for listings, locations, and media, plus a partner referral layer for lead and commission tracking. The architecture is optimized for SEO-driven traffic and structured real estate data.

Next.js / PostgreSQL / Admin panel

SMGStore

Open

Ecommerce store focused on premium Smeg kitchen appliances. The project combines a structured product catalog, SEO-driven content architecture, and a fast storefront optimized for organic traffic and product discovery.

Next.js / Ecommerce / SEO architecture

LeadsAlarm

Open

Telegram automation service for amoCRM that monitors deals and tasks and alerts sales teams about potential lost leads. The system uses background queues and event-based monitoring to keep sales pipelines under control.

Laravel / PostgreSQL / Telegram Bot API

ReadAndBurn

Open

Minimal privacy-first service for secure one-time messages. Sensitive data is automatically destroyed after being read.

Next.js / Supabase

Selected writing

A growing archive of engineering notes on frontend, backend, architecture, and product delivery.

  1. 03-MAR

    Monavo Architecture - Building a Telegram-First Solana Swap Service

    Architecture of Monavo, a Telegram-first token swap service on Solana: edge API, private swap engine, and reliability patterns for distributed systems.

    Read:vc.rudev.to
  2. 06-FEB

    Telegram-Based Monitoring for amoCRM

    Building a Telegram-based alert service for amoCRM using Laravel with activity monitoring, queues, and production lessons.

    Read:vc.rudev.to
  3. 12-NOV

    When You Should "Wet" Your Code: Why Blind DRY Hurts Projects

    Why blind DRY hurts fast-moving projects and when duplication is the better strategy.

    Read:vc.rudev.to
  4. 21-MAY

    Minimizing costs when working with Google Translate API

    Practical approach to reducing translation costs for multilingual Next.js websites.

    Read:vc.rudev.to
  5. 16-SEP

    Online store on NextJS + Mongo + WordPress

    Stack and implementation notes for launching ecommerce projects with Next.js, MongoDB, and WordPress CMS.

    Read:vc.rudev.to

Process

  1. 1.

    Brief

    Understand the business, users, and project goals.

  2. 2.

    Structure

    Design architecture and primary user flows.

  3. 3.

    Development

    Implement frontend and backend with production quality.

  4. 4.

    Launch

    Optimize, release, and prepare the next growth iteration.

Have a project in mind?

Let's discuss it.

Email: petrt.online@gmail.com

Telegram: @petr_fullstack_bot