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Quentin
Costello

Average Review
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Reputation
17
Finished gigs
0
Finished jobs
0
Website
Not specified
Country
Not specified
Skills
Web, Mobile & Software Dev
HTML
Javascript
CSS
Node.js
MySQL
WordPress
Video Editing
Python
SQL
Back End Developer
Web Programming
Databases
Chatbots
API
Web Application
Scripting
API Integration Specialist
Linux
SQLite
Microsoft Excel
Data Scraping
Data Processing
Automation
CI/CD
Specialization
Hourly rate
Not specified
About me
Full-stack developer and automation specialist. I build custom Telegram bots, web apps, browser automations, API integrations, data scrapers, dashboards, and scripts that save businesses hours of manual work. Tech stack: Python, JavaScript/Node.js, REST APIs, SQL, Google Sheets API, aiogram, HTML/CSS, cloud deployment. Fast delivery, clean code, clear communication.

Work experience

Freelance
January 2022 – Current time
Job title
Full-Stack Developer & Automation Specialist
Work experience & achievements
Building custom software solutions for businesses worldwide. Specializing in Telegram bots, web applications, API integrations, web scrapers, and workflow automation. Delivered 20+ projects including AI-powered chatbots, payment systems, data collection tools, and CRM integrations. Tech stack: Python, JavaScript, Node.js, SQL, REST APIs, VPS deployment with CI/CD pipelines.

Education

Not specified
I will build a custom Telegram bot for your business
Web, Mobile & Software Dev
$15
More info
I will build a web scraper or automate any repetitive task
Web, Mobile & Software Dev
$15
More info
I will automate your Google Sheets or Excel with scripts and formulas
Web, Mobile & Software Dev
$15
More info
I will build a custom web application or dashboard for your business
Web, Mobile & Software Dev
$15
More info