Software Engineer

На данный момент Software Engineer.

Мои компетенции и опыт

Backend developer with more than 7 years in IT and more than 4 years in software engineering, mostly in PHP and Ruby.

Experienced in designing REST APIs, integrating third-party services, and refactoring legacy production codebases for

performance and maintainability. Comfortable across MVC frameworks, test-driven development practices, and the full

development lifecycle, from architecture through deployment. Actively use agentic AI workflows (Claude Code) in daily

development and introduced these practices to my team.

WORK EXPERIENCE

Software Engineer

Voiso — VoIP / Telecommunications | Sep 2025 – May нужен доступ к резюме position ended due to company restructuring)

Delivered 17+ feature epics across 9+ microservices in a multi-tenant cloud contact center platform.

Cut callcenter list response time by ~50% through server-side pagination, sorting, and fixing N+1 queries.

Built Partner Portal Global Admin API serving 150+ reseller partners, enabling self-serve access to customer

accounts and billing data across 30+ billable line-item categories and eliminating manual manager processing.

● Implemented Minimum Service Term billing, eliminating significantly revenue leakage from early returns.

● Implemented VoIP enhancements, unblocking enterprise customer onboarding in GCC and Indian markets.

● Built outbound campaign features, improving agent productivity and call connection rates.

● Added new language support for Speech Analytics, enabling expansion into new markets.

● Led integration of agentic AI development workflow (Claude Code) across multiple repositories, establishing new

development practices for the team.

Stack: Ruby on Rails, PostgreSQL, Redis, RabbitMQ, Sidekiq, RSpec, Elasticsearch, ClickHouse, REST API, Docker, Git,

AWS, GitLab CI/CD, Playwright

Software Engineer

Freelance | Jul 2024 – Jun 2025

Decision Simulator: built a backend API with probability calculations and risk assessment; simulation engine

handling 1,000–3,000 iterations per request using parallel execution, returning results within ~5s; optimised

PostgreSQL queries with composite indexes and eager loading, improving response time by 30–40%.

Novel/Book Reading Platform: implemented one-time payment and subscription system; built admin reporting

dashboard with user analytics tracking reading activity and purchase history.

Stack: Ruby on Rails 7, Python, Django, PostgreSQL, RSpec, Docker, Git, REST API, JavaScript, HTML, CSS

Fullstack PHP Developer

KUB24 | Apr 2023 – Mar 2024

Designed and extended REST API endpoints with OpenAPI documentation, serving internal modules and external

marketplace integrations.

Integrated Ozon and Wildberries marketplace APIs and a YooKassa payment gateway for real-time order,

inventory, and payment syncing.

Refactored a legacy production codebase's database layer (migrations, triggers, indexing), eliminating N+1 queries

and cutting DB load ~100×.

Built a financial reporting module (VAT, COGS, cash flow, discounts, logistics, returns) and improved the admin

interface (filters, search, sorting, pagination) within the existing MVC structure.

Participated in a Bitbucket-based PR/code-review workflow on a shared codebase.

Stack: PHP 7.4, Yii2, MariaDB/MySQL, Composer, REST API, OpenAPI, Swagger, Yii2 Queue, JavaScript, HTML, CSS, Git,

Bitbucket

Junior Data Engineer

Profitero — IT / System Integration | Nov 2022 – Apr нужен доступ к резюме contract)

Developed 18 parser scripts for 12 online stores, automating daily collection of product data and reviews.● Web parsing via XPATH/CSS selectors, JSON/XML API processing, HTTP requests via cURL and nokogiri.

Stack: Ruby, MySQL, Linux, XPATH, CSS Selectors, JSON, XML, cURL, Postman, JIRA

Junior Backend Developer

Warecorp | May 2022 – Oct нужен доступ к резюме contract)

Contributed to Sophia Learning — a US-based e-learning platform serving 250,000+ learners across 200+

countries.

● RESTful search API with Apache Solr; legacy refactoring removing 500+ lines of deprecated code.

● Resolved N+1 queries, optimised SQL — improved DB response times by 40–60%; implemented caching.

● Built PDF certificate generation, subscription validation, automated email notifications.

● Optimised Puma config; upgraded Ruby 2.5→2.6 with zero downtime; reduced report generation time 50%.

Stack: Ruby on Rails 7, Ruby 3, нужен доступ к резюме , Apache Solr, AWS, RabbitMQ, PostgreSQL, RSpec, Docker, Jenkins

Lead Programmer

Tyumen Regional IT Center | May 2020 – Dec 2021

● Development and maintenance of healthcare information systems; RabbitMQ integrations; scheduled tasks.

Stack: 1C, Linux, RabbitMQ, SOAP, HTTP services

System Administrator

Tyumen Regional Hospital | Oct 2017 – May 2020

IT infrastructure support, 1C and SAP maintenance, WordPress administration, VBA macros.

Fullstack PHP Developer

Technology Tyumen | Apr 2017 – Sep 2017

● Built a company website from scratch, based on an existing sister site.

● Developed a custom CMS enabling non-technical staff to manage news and homepage slides across two sites.

● Integrated VK API to automatically cross-post new articles to the company's VKontakte page.

● Added a feedback/contact system to the sister site.

● Built several modules for the corporate portal, including its mobile version.

● Maintained and extended the company's 1C 7.7 configuration.

Stack: PHP, JavaScript, HTML, jQuery, 1C

SKILLS

Backend: PHP, Yii2, Ruby, Ruby on Rails, REST API, PostgreSQL, MySQL, MariaDB, RSpec, RabbitMQ, Sidekiq

Frontend: нужен доступ к резюме , JavaScript, jQuery, HTML, CSS, Bootstrap, SASS

AI Tools: Claude Code (MCP plugins, agentic workflows), GitHub Spec Kit (Spec-Driven Development), AI workflow

automation

Architecture: MVC, Service Objects, Clean Architecture, TDD/BDD, SOLID

Tools: Git, Docker, Jenkins, GitLab CI/CD, Postman, JIRA, SSH, Linux, Nginx, AWS (EC2, S3, RDS), Playwright

Databases: PostgreSQL, MySQL, Redis, ClickHouse, Apache Solr, Elasticsearch

Languages: Russian — Native | English — C1 Advanced

EDUCATION

Bachelor — Mathematical Support and Administration of Information Systems

Tyumen State University, 2016

CERTIFICATES

2026: British Council EnglishScore C1 | 2025: Learn Go | 2023: Learn PHP, Learn Intermediate PHP, Advanced PHP, PHP

with MySQL Essential Training, PHP: OOP with Databases, JavaScript Essential Training, Laravel 9.0, нужен доступ к резюме 3, SQL, Sass