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Oleksandr Danyleiko

@oleksandrdanyleiko

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Backend developer at Add Talent Solutions who improved Laravel service performance with RoadRunner and Swoole.

Spain

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At Add Talent Solutions, I developed promotional campaign functionality and built backend modules and services from customer requirements through production launch and ongoing support.

I used Laravel Octane with RoadRunner and integrated Swoole into a Lumen service to improve performance. I also optimized REST APIs and contributed to React.js dashboards.

At Redd Technologies, I automated media ingestion and content workflows for MilkBox and Playster, and built APIs and queue workers for large media-file processing in AWS S3.

At Intellias, I contributed to moving a monolithic application into separate Laravel modules and improving module reliability with PHPUnit coverage. Earlier, I modernized Silex modules into Laravel services at Hyuna International Ltd.

Experience

Work history, roles, and key accomplishments

Back-end Developer

Add Talent Solutions

Jul 2024 - Jul 2026 (2 years)

Developed new functionality and extended promotional campaign features using PHP and Laravel/Lumen. Built and operated modules from scratch, owning delivery from requirements to production launch and support.

PHP Laravel Lumen Laravel Octane RoadRunner Swoole MySQL Kafka React GitLab CI CD REST APIs Swagger OpenAPI OpenAI API

Back-end Developer

Intellias

Aug 2022 - Jul 2024 (1 year 11 months)

Contributed to migrating a monolithic application to separate modules, rewriting functionality in Laravel. Improved reliability of mission-critical modules through PHPUnit coverage and code-quality improvements.

PHP Laravel Microservices Vue.Js Azure DevOps PHPUnit MySQL Git

Back-end Developer

Redd Technologies

Nov 2020 - Aug 2022 (1 year 9 months)

Automated media ingestion, ETL, and content management workflows for MilkBox and Playster, reducing manual processing. Built REST APIs and queue workers for cross-application communication and large media-file processing in AWS S3.

PHP Laravel Lumen Vue.Js S3 RabbitMQ MongoDB MySQL Swagger OpenAPI Brightcove API PyCaption Docker Azure Pipelines Git

Back-end Developer Consultant

Hyuna International Ltd.

Jan 2017 - Nov 2020 (3 years 10 months)

Modernized legacy Silex modules into maintainable Laravel-based services. Delivered CMS integrations, REST APIs, parsers, and data-processing workflows for content and metadata.

PHP Laravel Silex Vue.Js MySQL MongoDB RabbitMQ Swagger OpenAPI Docker Git JavaScript CSS

PHP Developer

Freelance

Jul 2014 - Jul 2015 (1 year)

Delivered custom features for small web projects and CMS-based applications. Built web crawlers, parsers, and data extraction scripts using SimpleHtmlDom and cURL.

PHP MySQL JavaScript AJAX HTML CSS CURL SimpleHtmlDom