Sergei N.

Are repetitive spreadsheet tasks, disconnected tools, and manual reporting slowing your business down? I help businesses **automate workflows, connect their systems, and organize their data** using Google Apps Script, Google Workspace APIs, BigQuery, and AI. My goal is simple: build reliable solutions that **save time, reduce errors, and make daily operations easier to manage.** WHAT I CAN BUILD ✓ Google Sheets automation and advanced spreadsheet systems ✓ API integrations with CRMs, e-commerce platforms, and business tools ✓ Automated dashboards, reports, and data-processing workflows ✓ BigQuery integrations and data synchronization ✓ Google Docs, Slides, invoices, reports, and PDF generation ✓ Gmail, Drive, Calendar, and Google Forms automation ✓ Custom Apps Script web applications and internal tools ✓ Approval, onboarding, notification, and document workflows ✓ AI-powered data processing, summarization, and categorization ✓ Debugging and optimization of existing Apps Script projects HOW I WORK I start by understanding your current process, the tools you use, and the result you want to achieve. Then I design the most practical solution — from a focused automation script to a complete internal business system. Every solution is built with attention to: • Reliability and performance • Clear and maintainable code • Error handling and logging • Data validation and security • Google service quotas and limitations • Documentation and future support CORE TECHNOLOGIES **Google Apps Script • JavaScript • Google Sheets • Google Workspace APIs • BigQuery • SQL • REST APIs • Webhooks • Looker Studio • OpenAI API** Have a repetitive workflow, complicated spreadsheet, disconnected system, or report that takes too much time? Send me a short description of your current process and the result you need. I’ll help you find the most practical way to automate it.