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by enotit.

Andrey Chernikov /  techlead php/bitrix, c#/ragemp, teamlead itEdu

What I can Do.

backend

Backend & Server Systems

  • Designing server application architecture and APIs (REST, Swagger)
  • Database performance optimization (PostgreSQL, MySQL, Redis)
  • Scaling and caching for high-load systems

gamedev

Game Servers & Gamification

  • Development of server-side logic for online games (C#, .NET, RAGE:MP)
  • Handling asynchronous operations and high online load
  • Integration of game systems with external services

itEdu

Education & Consulting

  • Mentoring and training for teams and developers
  • Development of educational programs and courses
  • Consulting on architecture and development processes

teamlead

Team Management / Tech Lead

  • Task planning, code review, and architectural decisions
  • Implementation of engineering practices: SOLID, Dependency Injection
  • Organizing development processes: CI/CD, Docker, GitLab

Applicable experience →

Collaboration Formats.

Retainer

On Demand

You purchase a block of hours, and I’m available for your tasks as needed. Perfect if work comes regularly but unpredictably.

suitable for: Support, tweaks, consultations, hotfixes

  • Priority in the task queue
  • No need to agree on terms every time
  • Unused hours roll over to the next period
Fixed

By Estimate

Send me your specification — I estimate time, cost, and risks. Price is fixed before the work starts.

suitable for: New features, integrations, full projects

  • Finished early — leftover hours go to extra tasks
  • If it takes longer — at my own cost
  • All adjustments within the spec are free
01

Task Analysis

You describe the task — I ask clarifying questions. If there’s no spec, I help create one.

02

Estimation & Risks

I define scope, timeline, cost, and potential risks. Everything is documented — no verbal agreements.

03

Implementation

Work is done iteratively with intermediate demos. You see progress at every step, not just the final result.

04

Delivery

I hand over the code, documentation, and explanations. Any revisions within the agreed spec are free.

Hands-on experience.

01

03.2020 – 02.2022

Game Backend Developer → Lead Developer

  • Full-time and freelance development of GTA V servers on RAGE:MP
  • Design and implementation of game systems using C# (.NET) and JavaScript
  • Infrastructure setup: CI/CD pipelines, Redis, Linux environments
  • Support of live servers with 100+ concurrent players
  • Technical interviews and code reviews

Expanded responsibilities to system architecture and team coordination

gamedev techlead
02

09.2021 – 09.2023

Programming Instructor → Senior Instructor

  • Teaching programming courses at Algorithmics (international coding school)
  • Students aged 7–17, full course line
  • Up to 8 weekend groups in parallel
  • Promoted to Senior Instructor in 2022

Additional responsibility for mentoring instructors and methodological support

itEdu
03

09.2022 – 05.2025

PHP Developer → Backend Engineer

  • Development and maintenance of web projects based on 1C-Bitrix and Bitrix24
  • REST API design and implementation
  • Third-party service and CRM integrations
  • Technical audits and performance analysis
  • Direct communication with clients on technical scope and solutions

Shift towards system-level backend architecture and API design

backend bitrix
04

09.2023 – Present

Team Lead, Programming Instructors

  • Leading a team of 12 instructors
  • Coordinating education for 250 students
  • Weekly KPI tracking and performance reviews
  • Hiring and onboarding instructors
  • Since September 2024 — fully focused on team management

Operational leadership of the education department

itEdu techlead
05

05.2025 – Present

Technical Lead, Web Development

  • Full project lifecycle ownership: estimation, technical specification, task decomposition, delivery
  • Architecture design for web systems
  • Development team coordination
  • Technical communication with business stakeholders

Responsible for technical strategy and architecture decisions

backend techlead bitrix

Trusted by clients.

We worked together for three months building our project. He not only handled the entire development process himself, but also explained everything in plain terms. I highly recommend him to anyone looking for quality and professional work.

We have been working with enotit since November. Many issues have been resolved and new features developed. No complaints about the quality of work whatsoever. On top of that, he is competent and level-headed — which is a real pleasure.

An outstanding specialist — one of the best I have worked with. Tremendous expertise both as a developer and as a deep expert on the Rage platform. Reach out: he will do everything in his power and then some.

An extremely accommodating and highly skilled professional. I witnessed both his work process and the results firsthand. Do not hesitate to reach out — you will not regret it.

I write sometimes.

notes, breakdowns, opinions — no schedule

Let’s discuss your project.

Describe your task or project — I will respond within 24 hours. If you don’t have a detailed specification yet, I can help you define it.

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