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Daniil Maximkin · Independent product engineer

I build products.Connect systems.Automate the work.

From ecommerce tracking to custom applications and AI-assisted workflows. Here’s what I’ve built, how it works, and what I learned.

Based in Valencia, SpainWorking in English & Russian; written correspondence in Spanish with translation support

Selected work

Different problems. Working systems.

My own products and work for clients. The problem, my contribution, and the details behind each build.

Full portfolio

Client implementation

Grand Veil

AI-assisted request processing, a product configurator and CRM integration for a made-to-order manufacturer.

The problem
Made-to-order requests arrive as emails that need to become structured work.
What I built
Connected intake, AI-assisted extraction, a product configurator and CRM handoff.

Inside the projectA manager review workspace keeps people in charge of the extracted details.

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Own platform · in production

DeploTeka

A platform I designed and built for running one dedicated Shopify app per client store.

The problem
Every client store needs its own app, credentials and release process.
What I built
A platform for provisioning and operating dedicated Shopify apps.

Inside the projectResumable runs and installation evidence. In production for my Fixel Pixel fleet.

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Notes from building

The decisions behind the work.

Architecture, experiments and the things I had to figure out along the way.

All writing
Daniil Maximkin

Daniil MaximkinValencia, Spain

Daniil Maximkin

The person behind the projects.

I’m Daniil, an independent product engineer and founder in Valencia. I started with ecommerce measurement and grew into building the applications, integrations and automation around it. I work directly with clients and develop my own products.

More about me

10 years in ecommerce tracking

490+ Upwork jobs

View my Upwork profile

Work with me · Task for Daniel

What do you need to make work?

Describe the problem through Task for Daniel, my engineering practice. We’ll clarify the task, then agree on the scope and price before paid work begins.