Hi, I'm Sergei Morozov

Software Engineer & IT Consultant

I build custom software for businesses — from web applications and mobile apps to AI-powered systems and enterprise automation. 10+ years in digital, working remotely from Vietnam.

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Sergei Morozov

Background

An unusual path that combines analytical thinking, business acumen, and engineering skills.

2005 — 2013

Geology & Analytics

Master's in Exploration Geology. Worked as a geochemistry specialist at Kinross Gold Corporation — a major international mining company. Built a foundation in data analysis, fieldwork, and systematic research.

2013 — 2022

Digital Marketing & Automation

Ran a full-cycle marketing practice: advertising campaigns (Yandex Direct, Google Ads, social media), landing pages, e-commerce, SMM strategy. Automated business processes with 1C Enterprise. Led a small team serving 30+ clients.

2023 — Present

Software Development

Full-stack development with Go and React. Building enterprise software, AI-powered systems, and SaaS platforms. Working remotely with international clients from Vietnam.

What I Do

End-to-end software development with a business-first approach.

Web Applications

Full-stack web apps with Go backends and React frontends. Clean Architecture, REST APIs, real-time features. From MVPs to production-grade systems.

Enterprise Automation

Custom software to automate business processes. Integration with existing systems, data pipelines, workflow optimization. Replacing manual work with reliable software.

AI Integration

AI-powered solutions: document recognition, intelligent assistants, content processing pipelines. Practical AI that solves real business problems, not demos.

Mobile & Landing Pages

Mobile applications for iOS and Android. Marketing landing pages and e-commerce sites. From concept to deployment.

Selected Projects

A few examples of what I've built for clients.

Case Study — AI & Fintech

AI Support Agent for a Fintech Company

Built an AI agent that handles 75% of customer support tickets automatically — reducing L1 costs by 70% and response time from minutes to seconds.

Read full case study →
Go React MongoDB RAG Claude AI Telegram Freshdesk

Telegram → Freshdesk → AI Agent (75%) → Human Operator

Enterprise

Air Traffic Control Display System

Real-time radar visualization system for a regional airport control tower. Displays aircraft positions, flight data, and weather overlays for air traffic controllers.

Go React WebSocket Real-time
AI

Accounting Document Recognition

AI-powered system that processes primary accounting documents: invoices, receipts, and contracts. Extracts structured data and integrates with accounting software.

Go LLM OCR REST API
Automation

Enterprise Process Automation

Custom software suite for business process automation. Replaced manual workflows with automated pipelines, reducing processing time and human error.

Go PostgreSQL Docker REST API

Tech Stack

Technologies I work with daily.

Backend

  • Go 1.24
  • Clean Architecture
  • REST API
  • WebSocket

Frontend

  • React 19
  • TypeScript
  • Responsive Design
  • SPA / PWA

Data & AI

  • MongoDB
  • PostgreSQL
  • Claude AI / LLM
  • Vector Search

Infrastructure

  • Docker
  • Linux
  • Traefik
  • CI/CD

Let's Work Together

Available for freelance projects, long-term contracts, and technical consulting. Currently based in Vietnam (UTC+7).