Valerii Korolov
Offer Valerii work on your next project.
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Offer work
Lvov,
Ukraine
3 days 18 hours back
available for hire
2 proposals made
on the service 15 days 4 hours
Rating
Successful projects
Average rating
Skills and abilities
Programming
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Bot Development
from 45 USD for project
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Databases & SQL
from 56 USD for project
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HTML & CSS
from 34 USD for project
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Javascript and Typescript
from 45 USD for project
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Web Programming
from 79 USD for project
Portfolio
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226 USD Flower House — an eCommerce platform for selling seedlings.
HTML & CSS
A full-fledged mobile-first online store for a local business with its own product management system, integration with Nova Poshta, and Telegram order automation.
The project is developed with a focus on:
— speed of operation
… — simple UX for customers
— convenient product management for business owners
— adaptation for mobile devices
Main functionality:
— Product catalog with categories
— Cart and order checkout
— Nova Poshta integration
— Automatic order receipt in Telegram
— Firebase Realtime Database
— Custom admin panel
— Editing products without programming
— Mobile-first responsive design
— Optimized UI/UX for local business
— Optimized photo storage via CDN
Technologies:
HTML / CSS / JavaScript / Firebase / Telegram Bot API / Cloudinary
Website:
https://kvitdim.site
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271 USD Telegram bot for a tattoo artist with online booking, portfolio, and CRM
Bot Development
Developed a Telegram bot for the tattoo master YYOKAI INK. The bot helps clients view the portfolio, learn about prices, read tattoo care rules, and book appointments through an interactive calendar.
What has been implemented:
… The client can choose a date and time, leave their name, Instagram, phone number, and a description of their idea. After booking, the master receives a complete message with all the client's data. Free and busy slots are synchronized with Firebase, so the bot functions as a simple CRM system.
Functionality:
* online booking via Telegram;
* calendar of available slots;
* admin panel for the master;
* portfolio with a work slider;
* price list and tattoo care;
* automatic reminder to the client 2 hours before;
* client mailing;
* synchronization with Firebase;
* deployment on VPS via PM2 24/7.
Technologies:
Python, Aiogram 2, Firebase Realtime Database, APScheduler, PM2, VPS/Linux, Telegram Bot API.
Result:
The master received a convenient tool for automating bookings, communicating with clients, and managing the schedule. The bot reduces the number of manual messages, helps avoid duplicate bookings, and operates 24/7.
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226 USD Fullstack development of the CRM system YYOKAI Artist Dashboard
HTML & CSS
LOGIN TO DEMO CABINET WITHOUT REGISTRATION
Application login: demo (at) yyokai.com
Access code: 123456
…
Enter this data on the login page via the link to test real Firebase authorization and the complete client-server workflow of the platform from the inside.
About the project: Developed from scratch an original cloud SaaS platform CRM system YYOKAI Artist Dashboard for tattoo artists and studios.
The main goal is to combine the daily workflow of the artist, client interactions, and high-tech tools into one custom interface.
What is technically implemented in the code:
Backend and Server Logic: Designed and written server architectural modules for secure processing of the application's business logic. Implemented secure communication via API, hidden system authorization keys, and moved all critical processes to the server to protect against client-side interference.
AI Integrations: Developed server handlers for interaction with neural networks — integrated artificial intelligence modules for generating tattoo stencils and creating sketches based on user text descriptions.
Billing and Subscription Module: Implemented logic for tariff plans with action limitations on the server side, architecture for internal user balance, transaction processing, and modules for account replenishment.
Databases: Configured secure storage of user data, current balance status, selected tariffs, generation logs, and system settings in real-time via Firebase.
Frontend and UI/UX: Created a responsive interface that works perfectly on smartphones. Implemented a customization mode with full user personalization options, background changes, dynamic color scheme changes using CSS variables, integrated music player.
Workflow Tools: Developed functionality for managing client appointments, working with files, and a utility for splitting large images for printing in A4 format.
Technology Stack: Node.js, REST API, Cloud Database, Firebase, Firestore, Auth, HTML5, CSS3, JavaScript, ES6, asynchronous requests, Git, GitHub.
Activity
| Latest proposals 2 | Budget | Added | Deadlines | Proposal | |
|---|---|---|---|---|---|
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I am looking for a responsible developer for optimizing a mailing script for a business in Telegram.
34 USD
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Frontend polishing / Fixes for existing website
45 USD
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