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Lina Dmitrieva

@linadmitrieva

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Senior Backend PHP Developer at Divlab, optimizing e-commerce search indexing and product data processing.

New Zealand

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At Divlab, I developed the backend of a large e-commerce platform with region-specific product catalogs and complex pricing, availability, and promotions logic.

I contributed to the design and evolution of Elasticsearch/OpenSearch infrastructure, including search documents and product data indexing. I also optimized SQL queries and refactored legacy code to improve testability and separation of concerns.

At Aera, I developed Symfony microservices for a real estate rental startup, using PostgreSQL and Docker. I also designed the GraphQL schema and created UML diagrams for the microservices architecture.

Across roles at Auslogics, CODA.TECH, and other companies, I worked on PHP web applications, APIs, and e-commerce platforms. My work included implementing Shopware plugins, writing unit tests, and supporting backend and full-stack projects.

Experience

Work history, roles, and key accomplishments

Senior Backend PHP Developer

Divlab

Sep 2025 - May 2026 (8 months)

Developed backend for a large e-commerce platform using PHP/Yii2, including search infrastructure with Elasticsearch/OpenSearch and optimized data indexing. Refactored legacy code and participated in code reviews.

PHP Yii 2 Elasticsearch OpenSearch SQL PostgreSQL MySQL Redis Docker SOLID DDD

Senior PHP Developer

Aera

Mar 2024 - Sep 2025 (1 year 6 months)

Developed microservices using Symfony 7 and PHP 8.3 for a real estate rental startup, including GraphQL schema design and Docker containerization.

PHP Symfony PostgreSQL Docker Docker Compose GraphQL Microservices UML

Web-Developer

Auslogics

Mar 2023 - Mar 2024 (1 year)

Responsible for back-end development using PHP 7.3 and Yii2, including REST API design, Redis token authentication, and code refactoring.

PHP Yii 2 Redis REST APIs UML Design Patterns

PHP Software Developer

CODA.TECH

May 2022 - Aug 2022 (3 months)

Developed and maintained back-end applications using PHP 7, Symfony 5, and Shopware 6 for the auto parts e-commerce industry, including custom plugin implementation and unit testing.

PHP Symfony Shopware PHPUnit Unit Testing Code Review

Back-end Web Developer

PARMA Technologies Group

Dec 2018 - May 2022 (3 years 5 months)

Developed back-end solutions using PHP 7, Yii2, and Symfony 5, including database structuring with Oracle and work on a government project.

PHP Yii 2 Symfony Oracle Vue.Js Unit Testing

Full-stack Web Developer

Activemedia

Nov 2017 - Dec 2018 (1 year 1 month)

Developed back-end and front-end for various client projects using PHP, Yii2, OpenCart, and front-end technologies, including database structuring and system administration.

PHP Yii 2 OpenCart HTML JavaScript CSS LESS jQuery MySQL LAMP APIs CRM Payment Systems

Full-stack Web Developer

Freelance

Sep 2016 - Oct 2017 (1 year 1 month)

Delivered web development solutions to clients, including landing pages, corporate websites, and web applications, with database design and API integration.

PHP Yii 2 WordPress MySQL APIs

Back-end Web Developer

LightSoft Research

Mar 2016 - Sep 2016 (6 months)

Built and supported web projects for the travel business, working with high-loaded websites and PostgreSQL databases using Yii Framework.

PHP Yii PostgreSQL

Full-stack web developer

Radiofid Systems

May 2015 - Sep 2015 (4 months)

Supported and improved company websites using Bitrix, Drupal, and custom frameworks, including bug fixes, MySQL database structuring, and content management.

Bitrix Drupal MySQL PHP