Systems Architect • 15+ Years Experience

Sergei Mostachev — AI Solutions & CRM Systems Architect

Building scalable business systems: CRM architecture, telephony, voice AI agents, n8n workflows, and microservices

Increasing business efficiency by 30–70% through intelligent automation and system architecture. 200+ successful projects for companies in Russia, USA, and Europe.

Bitrix24

PHP/D7

Asterisk

AI Integration

About Me

Systems Architect & Senior Engineer

15+

Years of engineering and solution architecture

200+

Projects

99.9%

Architecture reliability

I'm Sergei Mostachev, a systems architect and engineer with 15 years of experience building CRM systems, AI automation, and integrations. Since 2016, I worked under the brand "Anton Chekhov," then developed the Prigov.info platform. Today I lead projects under my own name — Sergei Mostachev — bringing all my accumulated experience and reputation forward.

B24

Systems Architect

AI Automation & CRM Integrations

Technical Expertise

OpenAI GPT YandexGPT GigaChat LLM Integration AI Agents ChatGPT API RAG (Retrieval Augmented) Prompt Engineering AI Chatbots Voice AI PHP 8.2 Bitrix D7 Node.js Python FastAPI Asterisk ARI/AMI RabbitMQ MySQL/PostgreSQL Docker REST/GraphQL API

Services

Complete solutions for business automation

Bitrix24 Integration

Comprehensive Bitrix24 integration with external systems and services

API Integration
Real-time data exchange
Process automation

CRM Setup

CRM setup and optimization for effective sales

Sales funnels
Automation
Reports and analytics

Telephony and Call Center

Telephony and virtual PBX setup for Bitrix24

Virtual PBX
Call recording
CRM integration

Business Process Automation

Automation of routine processes and business processes

Business processes
Automation robots
Triggers and events

View All Services

Automatic multilingual translation
Bitrix24 chats & open channels
40+ supported languages
Context-aware translation

AI-driven lead qualification
Automatic responses
Data collection
Task assignment for sales teams

Sentiment analysis
Topic detection
Conflict detection
User clusters & insights

Intelligent outbound calling
Reminders & follow-ups
Onboarding & data collection
Customer engagement automation

View AI Solutions

1

2

3

4

5

Get Expert Consultation

Portfolio

Projects & Case Studies

Fro

FrontDesk Helpers

CRM integration for US company. 67% conversion increase

Tec

TechnoServis

Sales automation and 1C integration. 45% sales growth

Biz

BiznesLogistika

Telephony and automation implementation. 50% implementation time reduction

View All Projects

50+

Ready Solutions

100+

Happy Clients

Client Testimonials

What our clients say about our work

"Sergei helped us set up CRM and integrate with external systems. Results exceeded expectations."

AP

Anna Petrova

Sales Director

TechnoServis

"High level of expertise and attention to detail. Highly recommended."

IS

Ivan Sidorov

CEO

BiznesLogistika

5 average rating • Based on 2+ client reviews

Start Collaboration

Technical assessment and architecture proposal

Contact Me

Fill out the form — I'll get in touch, conduct an assessment, and propose an architectural solution tailored to your task.

hello@prigov.info

Location

Remote / Smolensk, Russia

Response Time

Within 24 hours

Send Message