Mark CherniatynskyiBased in Ukraine

Mark

Full-Stack & DevOps Engineer

I build digital products from complex ideas to production.

Websites, e-commerce, CRM, LMS and content-driven platforms — from architecture and development to SEO and growth.

Portrait of Mark Cherniatynskyi
Mark Cherniatynskyi
React · Next.js · TypeScript · Node.js · C# · CI/CD · CloudflareScroll
01 — Experience

Building for the web for 5+ years.

I started as a frontend developer and grew into full-stack and DevOps engineering. Today I lead a development team and take responsibility for architecture, infrastructure, technical decisions and product delivery.

5+Years of experience
50+Projects
20+Active clients
02 — Approach

I don't just build websites.

I build digital products for business.

01Strategy
02Design
03Development
04CMS
05CRM
06SEO
07Analytics
08Marketing

Systems that bring in clients, take routine work off your team and help the business grow.

mark-ch.com/process03
STRATEGYARCHITECTURESTRUCTURELEADSCONTENTAPIORDERSSEARCHbest [service] in [city][Your business] — your-site.com#1SOCIALADSCALLSANALYTICSLIVETRAFFIC+42%USERS+28%CONVERSION+14%CMSCONTENTCRMCLIENTS & SALESAICHATBOT · VOICEE-COMMERCEORDERS & PAYMENTSEvery product starts with a blank page.
02 — FoundationStrategy and architecture.We start from your business goals and plan the structure of the whole system.
03 — DesignWebsite design.Wireframes become a clear interface for your clients.
04 — DevelopmentThe website comes to life.Pages, logic, forms, payments and data.
05 — ModulesModules for your business.CMS, CRM, e-commerce, AI — every module plugs into one system. Need an LMS, online booking or payments? We add it.
06 — IntegrationsEverything works as one.Leads, orders and content move between modules automatically.
07 — SEOClients find you in search.SEO → Visibility → Traffic
08 — Leads & AINo request gets lost.Ads and social media bring clients in. An AI chatbot and an AI administrator answer messages and calls 24/7.
09 — AnalyticsSee what works.Build → Launch → Measure → Improve
10 — CompleteOne system. Built for your business.
04 — Capabilities

What I bring to a project

01

Product thinking

Understanding business requirements and turning them into a technical solution.

02

Design

Creating interfaces and user experiences when needed.

03

Engineering

Building scalable, production-ready web applications.

04

Integrations

CMS, CRM, APIs, search and third-party services.

05

SEO & Analytics

Technical SEO, search visibility and product analytics.

06

Growth

Understanding what happens after the website goes live.

One perspective across the whole product.

05 — WorkProject space
01 — E-commerce + CRM
Silk Panda
Next.jsCRMSEOGTMGA4
01 — DesignModern storefront

A clean, modern shop built around the buyer: sizes by height, clear product pages, delivery and payment details right where the decision is made.

02 — CRMFull CRM for sales and clients

Orders, clients, revenue and margin in one place — with a point of sale for offline trade and a live view of what sells.

03 — StockStock under control

Every item is tracked per size: arrivals, reserves, sales, returns and write-offs, plus stock-by-height analytics for restocking.

04 — SEOBuilt for search

SEO-first from day one: technical optimisation on every page and SEO tools connected at every level, from indexing to rankings.

05 — AnalyticsGTM + GA4

Google Tag Manager and GA4 track the whole funnel — views, carts and orders — so decisions come from data, not guesses.

01 / 02
DesignCRMStockSEOAnalytics
Other projects
Scroll — next screen · Click a project
06 — Impact
01 — BeforeA business on its own.Clients come from a small circle around it — word of mouth, walk-ins and a few searches.
02 — ConnectPlug in a website + CRM.A website, a CRM, analytics and SEO connect to the business — and the building gets an upgrade.
03 — ReachThe circle grows.SEO, ads and campaigns light the way to people who never knew the business existed.
04 — AfterSame business. A much bigger circle.That is the job of a digital product: more of the right people, coming back more often.
Clients / month+190 with the system
Clients per month · first 12 months
Existing clientsNew clients
Illustrative numbers
07 — Contact

Have something worth building?

Let's turn the idea into something real.

© 2026 Mark Cherniatynskyimark-ch.com
Contact

Let's talk.

Telegram is the fastest way to reach me. A call or an email works too.

Kyiv · --:-- Mark Cherniatynskyi