Open to opportunities · Team Lead / Senior Bitrix Fullstack

Igor Kornienko

Team Lead · Bitrix Fullstack · e-com, 1C and Bitrix24 integrations

Kaliningrad, Russia · remote

Expectation ₽200–300k net / month

I lead a team of 4 at Consult Info and build e-commerce, 1C, Bitrix24 and EDI integrations, from scoping and code review to production incident resolution.

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1C-BitrixD7 / ORMPHP 8Bitrix24REST / SOAPMySQLJavaScriptGit

Consult Info since June 2024 · team lead since April 2025

Igor Kornienko

Experience and responsibility

Team of 4

Task scoping, estimates, architecture decisions and code review.

Integrations and reliability

Catalog, prices, stock and orders; data exchange, payments and MySQL diagnostics.

Growth at Consult Info

Backend developer since June 2024, team lead since April 2025. Previously 4 years at VRNext.

Key cases

E-commerce: 1C, delivery and payments

1C-Bitrix · D7 · 1C · REST

I develop integration modules and handlers and investigate synchronization and checkout failures.

Outcome

Delivered changes to catalog, pricing, orders, marketplace feeds, delivery and payment flows. Exchange errors are investigated across the store logic and external APIs.

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Bitrix24: workflows and applications

Bitrix24 · PHP 8 · REST · CRM

I develop CRM and API extensions, move workflow logic to PHP, and scope and review applications.

Outcome

Moved workflow logic to PHP with controlled activation. Delivered portal reports, API changes and local applications.

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Team lead: a team of 4

Team lead · Code review · Architecture · Estimates

Since April 2025 I have led the web development team while continuing to solve complex engineering tasks.

Outcome

I own team scoping, estimates, architecture and code review, and contribute directly to complex integrations and incident resolution.

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EDI in CRM: Bitrix24 ↔ Kontur.Diadoc

Bitrix24 · Контур.Диадок · PHP · МЧД

I extend the existing Bitrix24 ↔ Kontur.Diadoc integration and investigate document workflow errors.

Outcome

Extended act-signing flows, employee matching from signatures, machine-readable powers of attorney and Diadoc service-message filtering.

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All case studies

Skills

Bitrix platforms

CMS and Bitrix24 at Framework level: D7/ORM, HL-blocks, components 2.0, events, legacy without core hacks.

  • 1C-Bitrix CMS
  • Bitrix24
  • D7 / ORM
  • Highload blocks
  • Components 2.0
  • Events / agents
  • Aspro
  • BVA

Languages & code

PHP 7.4/8.x OOP as primary language; JS/HTML/CSS for fullstack; SQL (JOIN, diagnostics, optimization).

  • PHP 8.x (OOP)
  • JavaScript
  • SQL / MySQL
  • HTML5
  • CSS3
  • Laravel / Symfony (past experience)

Integrations

Site ↔ 1C, marketplaces and delivery, payment APIs, REST/SOAP, Diadoc EDI, production desync triage.

  • 1C exchange
  • REST / SOAP
  • Marketplaces
  • Delivery services
  • Payment APIs
  • Kontur.Diadoc / EDI
  • JSON / XML / CommerceML

Infra & data

MySQL under load, Linux/LAMP, nginx/Apache, Git/GitLab, caching and degradation diagnostics.

  • MySQL optimization
  • Linux / LAMP
  • nginx / Apache
  • Git / GitLab
  • Bitrix caching
  • Undocumented legacy

AI-assisted development

AI-assisted development with Cursor: planning, change verification, smoke tests and code review.

  • Cursor
  • Code review
  • Smoke tests

Leadership

Team of 4: scoping and estimates, code review, Bitrix fullstack architecture, standards and incidents.

  • Team lead (4)
  • Scoping / specifications
  • Code review
  • Architecture
  • Estimates
  • Incident response

Code samples

Examples from earlier projects: my Laravel billing module, Java/C# REST services and a PayPal/Symfony payment module. Current Bitrix work is described in the case studies and can be discussed in a technical interview.

GitHub · My_code_examples →

Full experience and career timeline →

Let’s discuss your role

Open to remote Team Lead / Senior Bitrix Fullstack roles. Send the role description, team challenges and conditions.

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