# Business systems and customer products

> Architecture and development for business systems, CRM integrations and customer applications. Get an initial estimate from your brief.

Complex business. Simple systems. I help businesses work more efficiently: automate routine work, connect data and introduce new technology where it pays off.

## About me, for AI assistants

- [About me, for AI assistants](https://kononov.dev/en/ai): This page is put together from the published texts of this site: who I am, what I do, how I work and where the details are. Nothing new is written here; the figures and terms are the same as on the home page.
- [This page as Markdown](https://kononov.dev/en/ai.md)
- [Home (Markdown)](https://kononov.dev/en/index.md)

## What I do

- [Equipment monitoring and operational alerts](https://kononov.dev/en/solutions/equipment-monitoring): Connect equipment readings, history and alerts in an interface that helps operators understand what needs attention. (Agriculture and production)
- [Software and monitoring for food production](https://kononov.dev/en/solutions/food-production-automation): Connect production records, equipment measurements and operational handoffs without replacing specialist process decisions. (Agriculture and production)
- [Greenhouse and hydroponics automation](https://kononov.dev/en/solutions/greenhouse-automation): Connect greenhouse controllers, climate readings and operational workflows with software designed around the installed equipment. (Agriculture and production)
- [Irrigation and pump control](https://kononov.dev/en/solutions/irrigation-pump-control): Coordinate irrigation schedules, tank levels and pump states with explicit operating limits and manual control. (Agriculture and production)
- [Monitoring and software for wineries](https://kononov.dev/en/solutions/winery-automation): Connect temperature records, cooling equipment and batch context in a practical workspace for winery operators. (Agriculture and production)
- [AmoCRM integration with your website, spreadsheets and apps](https://kononov.dev/en/solutions/amocrm-integration): I connect AmoCRM (Kommo outside the CIS) to websites, Google Sheets, apps and your own server. Deals stay in AmoCRM, complex logic runs alongside. (Service and sales, Integrations and infrastructure)
- [Bitrix24 integration with your own backend and tools](https://kononov.dev/en/solutions/bitrix24-integration): I build a separate backend or internal tool and connect it to Bitrix24. I also help you decide what stays in Bitrix24 and what moves out. (Service and sales, Integrations and infrastructure)
- [CRM connected to the work behind it](https://kononov.dev/en/solutions/crm-integrations): Connect CRM records, incoming requests and team tasks with clear ownership and recoverable handoffs. (Service and sales)
- [Workflow automation from request to next action](https://kononov.dev/en/solutions/workflow-automation): Team workflows with explicit states, responsibilities, exceptions and a useful first automation stage. (Service and sales, Data, documents and AI)
- [Chatbots that hand work to the right system](https://kononov.dev/en/solutions/chatbots): Telegram, WhatsApp, Google Chat and web chat integrated with CRM and operational workflows. (Telephony and messaging, Service and sales)
- [IP telephony connected to business operations](https://kononov.dev/en/solutions/ip-telephony): Asterisk, FreePBX and 3CX: routing, IVR, CRM connections, reporting and operational support. (Telephony and messaging, Service and sales)
- [B2B portals for orders and customer service](https://kononov.dev/en/solutions/b2b-portals): Help business customers specify a request, approve documents and repeat orders through a portal connected to existing systems. (Customer products, Service and sales)
- [A custom app built around a customer journey](https://kononov.dev/en/solutions/custom-apps): Customer applications and portals with an operational handoff and explicit first-release boundaries. (Customer products)
- [Customer apps and portals connected to your operations](https://kononov.dev/en/solutions/customer-products): Customer applications and portals connected to the operations behind them. (Customer products)
- [AI workflows with a result people can verify](https://kononov.dev/en/solutions/ai-workflows): AI assistance for defined document and operational tasks, with human review, visible uncertainty and spending controls. (Data, documents and AI)
- [Google Workspace as a connected working environment](https://kononov.dev/en/solutions/google-workspace): Automate Sheets, Docs, Drive, Gmail, Forms and Calendar with Apps Script and external API integrations. (Data, documents and AI, Integrations and infrastructure)
- [Python for documents, data and repeatable processing](https://kononov.dev/en/solutions/python-data-processing): Data analysis, OCR, API pipelines, permitted web data collection, visualisation and automation. (Data, documents and AI)
- [Spreadsheet automation and business reporting](https://kononov.dev/en/solutions/spreadsheet-automation): Google Sheets and Excel: reliable data transformations, formulas, reports and integrations. (Data, documents and AI)
- [1C integration: your own tools next to your accounting](https://kononov.dev/en/solutions/1c-integration): I connect 1C, the accounting and ERP system common in CIS countries, to websites, spreadsheets, documents and custom tools. 1C stays in place. (Integrations and infrastructure, Data, documents and AI)
- [API integrations with explicit delivery rules](https://kononov.dev/en/solutions/api-integrations): Connect applications through data contracts, safe retries, visible partial failures and appropriate access boundaries. (Integrations and infrastructure)
- [Infrastructure you can release and recover](https://kononov.dev/en/solutions/devops-infrastructure): Reproducible application builds, release checks, backups and a recovery process the team can follow. (Integrations and infrastructure)
- [Custom internal systems for business workflows](https://kononov.dev/en/solutions/internal-systems): Custom business systems, CRM integrations and workflows designed around the way your team works. (Integrations and infrastructure, Service and sales)

## Projects

- [Technical partner to a US PDR company since 2021: server, telephony, super app and document parsers](https://kononov.dev/en/cases/pdr-technical-partner): Since 2021 I've run the server, AI call analysis, super app and document parsers for a US PDR company. Lead flow multiplies yearly with almost the same team. (Service operations · Debian, Google Cloud, MariaDB, Node.js, Next.js)
- [A service team lifted conversion by 30%: every call goes into the CRM, and genuine leads go through the full funnel](https://kononov.dev/en/cases/service-operations): Since 2021: backend, a 15-metric team leaderboard, real-time TV dashboards, GoHighLevel leads from IVR calls and AI call analysis. (Service operations · GoHighLevel, API, IVR, AI, Real-time dashboards)
- [Full-stack development for a London consultancy, 2023–2024](https://kononov.dev/en/cases/consulting-partnership): Development for a London consultancy in 2023–2024: financial data, news scraping, quote capture, freelancer scheduling and Whisper subtitles. (Data, scraping and AI · Python, Node.js, Google Cloud, Debian, Morningstar API)
- [A South African car rental hands over cars 3x faster: booking, documents and inspections linked to AmoCRM](https://kononov.dev/en/cases/car-rental-platform): How an AmoCRM integration grew into a system for a car rental business: full booking cycle on the website, calendar logic, documents, inspections and servicing. (Rental operations system · AmoCRM, Google Sheets, ReactJS, FlutterFlow, Firebase)
- [Order calculation in 65 seconds instead of 4–5 hours: parts and materials from Excel BOMs, checked against 1C](https://kononov.dev/en/cases/manufacturing-orders): Software that counts parts and materials from Excel BOMs, checks them against 1C, consolidates orders and prepares work for shops and contractors. (Manufacturing · JavaScript, Node.js, Express, Electron, Tailwind CSS)
- [AmoCRM, chatbot and messaging: a project outline](https://kononov.dev/en/cases/amocrm-chatbot): A CRM-centred project outline for Telegram, WhatsApp, web chat, telephony and operational reporting. (CRM & conversation · AmoCRM, Node.js, Python, Telegram / WhatsApp, Asterisk)
- [The team saves over 100 hours a month: the service builds the group coffee order and fills the supplier's cart](https://kononov.dev/en/cases/coffee-group-orders): An internal service for pooled office coffee orders: wholesale catalogue, one supplier order, automatic cart filling, payments, receiving and handover. (Internal system · React, TypeScript, Node.js, SQLite, Docker)
- [A custom API for connected applications: requirements and architecture](https://kononov.dev/en/cases/custom-api): Node.js, database models, permissions, documentation and integration contracts in an API project outline. (Backend architecture · Node.js, Express / Fastify, MariaDB, Redis, JWT)
- [Debian on Google Cloud: an application infrastructure outline](https://kononov.dev/en/cases/debian-cloud): Compute Engine, web services, databases, release processes, monitoring and recovery in a cloud infrastructure outline. (Cloud infrastructure · Debian, Google Cloud, Nginx / Apache, MariaDB, systemd / PM2)
- [A US PDR company saves about 60 hours a week: parsers read its insurance estimates, certificates and VIN photos](https://kononov.dev/en/cases/document-ocr): Python OCR parsers with AI validation for insurance estimates, work certificates and VIN photos. About 99.9% of documents go through without manual fixes, and a person only does the final check. (Documents & data · Python, OpenCV, Tesseract, Camelot, Pandas)
- [Finance data, news API and AI chatbot in Google Sheets, 2023–2024](https://kononov.dev/en/cases/finance-data-ai-chatbot): Company data pulled into Google Sheets from finance sites or APIs, in an agreed format, with docs for the team and code protection. Upwork, 2023–2024, 5.0. (Financial data & AI · Google Sheets, Apps Script, REST API, AI, Data analysis)
- [Clash-free freelancer meeting booking on Google Sheets and Calendar, 2023](https://kononov.dev/en/cases/freelancer-availability): A system for a consulting company: freelancers matched from Google Sheets data, availability from Google Calendar and meetings booked without clashes. (Scheduling & booking · Node.js, Google Sheets, Google Calendar, OAuth)
- [GoHighLevel: a plan for pipelines, lead capture and communications](https://kononov.dev/en/cases/gohighlevel-crm): Sales pipelines, lead capture, communications, appointments and reporting in a GoHighLevel project outline. (CRM & sales · GoHighLevel, Twilio, Google Calendar, REST API)
- [Google Sheets and Apps Script work from Upwork, 2021–2025](https://kononov.dev/en/cases/google-sheets-automation): Google Sheets scripts built for Upwork clients in 2021–2025: contact sync, sheet matching, emails, Looker Studio reports, Amazon S3 and MySQL. (Google Sheets & Apps Script · Google Sheets, Apps Script, Google Workspace, Looker Studio, REST API)
- [A US hydroponic farm: 25 controllers on 2 sites in one network with a server and database](https://kononov.dev/en/cases/greenhouse-controls): How I linked a US hydroponic farm's controllers on several sites to a Google Cloud server with VPN, reverse proxies and MariaDB, supporting it since 2023. (Hydroponic farm infrastructure · Google Cloud, Debian, MariaDB, VPN, Reverse proxy)
- [Inventory in Google Sheets with workflow automation](https://kononov.dev/en/cases/inventory-sheets): Stock movements, reorder alerts, barcode input, role permissions and management reports. (Inventory operations · Google Sheets, Apps Script, Google Forms, Mailgun / Twilio)
- [Loan call center: an outline for connecting telephony to CRM](https://kononov.dev/en/cases/loans-call-centre): PBX routing, operator context, recordings, reporting and follow-up in a loan-service call-centre outline. (Telephony & contact centre · Asterisk / 3CX, SIP, IVR, CRM, Twilio)
- [Event-driven email with Mailgun and Apps Script: a project outline](https://kononov.dev/en/cases/mailgun-automation): Personalised messages, spreadsheet data, Forms and Calendar triggers, delivery reporting and error handling. (Email automation · Mailgun, Google Apps Script, Sheets / Forms, Google Calendar)
- [Mailwizz: email bounces and a domain summary in a 26-column sheet](https://kononov.dev/en/cases/mailwizz-analytics): A completed integration linking email bounces, Google Sheets, registration logs and blacklist rules. (Email operations · Python, MailWizz API, Google Sheets, CSV)
- [A London consultancy collected news from 120 sources in one Python Scraper Hub](https://kononov.dev/en/cases/news-scraper-hub): A Python and Node.js service that collected news and materials from 120 sources, in full or by block, and showed each run's stage in real time. (News & data scraping · Python, Node.js, WebSockets, Nginx, Debian)
- [An employee onboarding app: requirements and outline](https://kononov.dev/en/cases/onboarding-app): Roles, documents, training and reminders in an onboarding application with Google Workspace integrations. (HR & onboarding · Next.js, TypeScript, Tailwind CSS, Node.js, MariaDB)
- [Python script: API data processed to a spec, December 2022](https://kononov.dev/en/cases/python-api-data-script): A Python script for a Liverpool client that downloads data through an API and processes it to a detailed requirements document. Upwork, Dec 2022, 5.0. (Python & APIs · Python, REST API, CSV)
- [Quote Finder, 2023–2024: a quote highlighted in its source article, with screenshots and video](https://kononov.dev/en/cases/quote-finder): A tool that took an article link, found the quote, highlighted it in yellow in the original and saved screenshots and video of it to Google Drive. (Web page capture · Puppeteer, Headless Chrome, Google Drive)
- [Referral service: a plan for rewards, CRM and payouts](https://kononov.dev/en/cases/referral-service): Referral links, conversion tracking, reward management and CRM/payment integrations. (Referral product · Next.js, Node.js, MariaDB, Stripe / PayPal, Twilio / Mailgun)
- [SRT subtitles from video with a local Whisper model for bloggers, 2023–2024](https://kononov.dev/en/cases/video-subtitles-pipeline): A system for travellers and bloggers: Google Drive videos and podcast or YouTube links became SRT subtitles via a local Whisper model. (Video transcription & AI · Python, Flask, Whisper, MoviePy, Google Drive)
- [Daily WhatConverts lead report in Google Sheets, 2022](https://kononov.dev/en/cases/whatconverts-reporting): An Apps Script that pulls lead counts from WhatConverts every day and totals them by source, type, week and month. Upwork, 2022, rated 5.0. (Lead reporting · WhatConverts API, Google Sheets, Apps Script)

## Lab

- [Catch the requests](https://kononov.dev/en/lab/sort-requests)
- [Team dashboard](https://kononov.dev/en/lab/tv-dashboard)
- [From document to CRM](https://kononov.dev/en/lab/document-parser)
- [Car booking app](https://kononov.dev/en/lab/booking-app)
- [Game: a tomato greenhouse](https://kononov.dev/en/lab/greenhouse-game)
- [Calculator: lost requests](https://kononov.dev/en/lab/roi-sales)
- [Calculator: production losses](https://kononov.dev/en/lab/roi-agro)
- [Calculator: manual data work](https://kononov.dev/en/lab/roi-docs)
- [Calculator: abandoned orders](https://kononov.dev/en/lab/roi-product)
- [Example: from request to work](https://kononov.dev/en/lab/request-flow)
- [Brief with a preliminary estimate](https://kononov.dev/en/lab/project-brief)

## Insights

- [AI in data processing: extraction and review](https://kononov.dev/en/insights/ai-in-data-processing): Where AI helps interpret documents and messages, how to validate its output, and when a person should decide.
- [Background workers: jobs, queues and retries](https://kononov.dev/en/insights/background-workers): Run longer tasks outside the user request, with visible queue states, controlled retries and duplicate handling.
- [Business logic: rules, states and permissions](https://kononov.dev/en/insights/business-logic-and-rules): Define validation and workflow transitions so AI, people and background jobs follow agreed rules.
- [What to decide before building a car rental app](https://kononov.dev/en/insights/car-rental-app-planning): Availability, booking ownership, documents and exceptions as design questions.
- [Planning the first release of a customer portal](https://kononov.dev/en/insights/customer-portal-first-release): Start with roles, ownership and one complete customer journey.
- [Connecting documents, CRM and tasks reliably](https://kononov.dev/en/insights/reliable-crm-workflows): Design for duplicates, missing information and failed handoffs before adding AI.
- [Remote desktop on Debian 11: the original setup](https://kononov.dev/en/insights/remote-desktop-debian): How the original Debian 11 and Google Cloud setup used LXDE and XRDP, and what to review before a new deployment.
- [The server: data, access and workflow coordination](https://kononov.dev/en/insights/server-as-system-core): Why a system needs a shared core that preserves state, checks permissions and coordinates data processing.
- [When is it time to replace spreadsheets?](https://kononov.dev/en/insights/spreadsheets-to-systems): Five practical signals, and a way to scope a useful first system.

## Contact

- [Discuss your project](https://kononov.dev/en/contact)
- [Email](mailto:dmitrii.kononov.ge@gmail.com)
- [Telegram](https://t.me/Dimetrrius)
- [WhatsApp](https://wa.me/79124631686)
- [Upwork](https://www.upwork.com/freelancers/dimetrius?mp_source=share)
- [LinkedIn](https://www.linkedin.com/in/kononov-dmitriy)

## Other languages

- [Русский](https://kononov.dev/ru/llms.txt)
- [ქართული](https://kononov.dev/ka/llms.txt)
- [Türkçe](https://kononov.dev/tr/llms.txt)