Vitalii Popov

Full-Stack Engineer Β· Distributed Systems Β· AI

Chemnitz, GermanyEN Β· DE Β· RU

Full-stack engineer focused on building systems that create measurable business value. 5+ years in e-commerce and logistics, with hands-on AI development experience.

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Download CVAbout me β†’

Work that paid for itself

A closer look at a few projects β€” the rest is in the numbers below.

OZON Tech

Barcode Scanner Integration

€86K saved by replacing manual scanning workflows

A real-time point-update service now runs across OZON's returns-zone terminals, built to scale as order volume keeps growing β€” still in production today.

€86K
Cost savings
C#WebSocketsPostgreSQL

Infineon Technologies AG

Parkdinsky β€” Parking Guidance System

In-house system replacing a commercial vendor, running on Infineon's own PSoC Edge chips

Now powers a barrier-control app used by 8,000 people, 3,000 of them monthly active β€” and saves €480K a year versus the market alternative.

€480K
Annual savings
PythonC#C

dunlimited

AI Support for Shopify Stores

Handles 660 customer support tickets a month across 5 shops, built on Gorgias

The AI drafts every reply and sends it directly when confident enough; otherwise a human just approves it instead of writing from scratch. It filters spam, fills templates from Shopify order context, and escalates uncertain cases to a human via Telegram, backed by guardrails tested during development. One store, everleakproof (lingerie), is non-returnable once shipped, so the bot's instant reaction time was the only thing that could still catch a cancellation before dispatch.

660/mo
Tickets handled
PythonShopifyGorgias

egsha

E-Commerce Ad Bidder + Repricer

Saves the client €52,000/year in ad spend β€” priced via TDD-built pure functions

Bid too high on the marketplace and a $100 product loses money before its 10th view; bid too low and it barely gets seen. A repricer module rounds it out, resetting the price once the marketplace's mandatory ad program ends β€” protecting full margin instead of leaking it into loyalty points.

€52K/yr
Ad savings
PythonTDD

Impact

Measurable outcomes from real production systems

€0Ktotal savings generated

Documented cost savings across production systems

Infineon€480K78%OZON Tech€86K14%egsha€52K8%

Each metric links to the full project case study. See all projects β†’

Companies I've worked with

Infineon Technologies
OZON Tech
WeDo.agency
onlineTours
Dunlimited
Egsha

Education

M.Sc. Web Engineering

TU Chemnitz, Germany Β· 2023 – present

Distributed systems, cloud-native apps, and service engineering β€” while working full-time at Infineon.

GPA 2.39 (German scale, 1.0 = best)

B.Sc. Software Engineering

HSE University, Moscow Β· 2019 – 2023

Algorithms, software architecture, databases β€” the CS fundamentals everything else builds on.

GPA 4.2 / 5.0

See the full academic journey β†’

What makes this combination rare

From silicon to screen

I build embedded computer vision that runs on-device in C, distributed backend services handling 200M+ items, and production React/Next.js frontends β€” all of it myself, not handed off between specialists.

AI-certified, not AI-curious

I'm Anthropic-certified on the Claude API/SDK and Claude Code, and I've applied RAG, LangChain, and MCP to tools I actually shipped β€” not slide decks.

Startup and enterprise experience

9 startup products in a year at WeDo.agency and freelance work for egsha β€” alongside Infineon (Europe's largest semiconductor manufacturer) and Amazon-scale OZON. Equally comfortable in both worlds.

Trilingual and ready to relocate

Fluent in English, German, and Russian, with EU work authorization already in place β€” open to roles beyond Germany too.

Hire me!

Open to new opportunities, technical collaboration, and interesting conversations.

Email

msk.vitaly@gmail.com

Best for detailed project inquiries

LinkedIn

linkedin.com/in/mskvitalii

Professional network and recommendations

GitHub

github.com/mskvitalii

Open source projects and code

Telegram

@mskvitalii

Fastest response for quick questions

Full FAQ & details β†’

Open to opportunities

Based in Chemnitz, Germany β€” targeting roles in Germany, open to EU Β· UK Β· US Β· UAE Β· CA Β· SG Β· JP Β· KR Β· AU

Current location (Chemnitz)
Ideal destination (Germany)

Also open to (EU Β· UK Β· US Β· UAE Β· CA Β· SG Β· JP Β· KR Β· AU)

That's the pitch. Everything below is the proof.

What brings you here?

Pick your lens β€” the site adapts content to your perspective.

Want to learn more?

Explore my projects with full business context, or read about my engineering journey.

See all projects β†’About me β†’Hire me β†’