Dmytro Nazarenko, Developer in Wrocław, Poland
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Dmytro Nazarenko

Verified Expert  in Engineering

Back-end Developer

Wrocław, Poland

Toptal member since April 22, 2025

Expertise
SQLPHPLinuxJavaScriptKubernetesMacOSCloud EngineeringGolangDockerPostgreSQLElasticsearchLaravelMySQLSymfony
Bio

Dmytro is a back-end developer with over a decade of experience building robust eCommerce, SaaS, finance, and WebOps projects. He specializes in the Go microservices architecture and overall back-end infrastructure. Dmytro's expertise also spans SQL and NoSQL databases, Kubernetes, and different cloud providers, as well as integrating custom open-source and commercial software.

Portfolio

Pantheon Systems
Go, Kubernetes, Docker, Google Cloud Platform (GCP), Apache Solr
GM Consulting
Go, PHP, Docker, PostgreSQL
Beetroot Lab
Go, PHP, SQL, Docker

Experience

  • Computer Science - 12 years
  • SQL - 9 years
  • Linux - 8 years
  • GoLand - 7 years
  • PHP - 6 years
  • Kubernetes - 5 years
  • Google Cloud Platform (GCP) - 3 years
  • Apache Solr - 3 years

Availability

Full-time

Preferred Environment

MacOS, Linux

The most amazing...

...thing I've done is implement a sitting algorithm to increase train capacity and optimize the Solr infrastructure, which reduced costs by 60%.

Work Experience

Senior Back-end Developer

2022 - PRESENT
Pantheon Systems
  • Developed a WebOps platform for hosting various CMS sites and implemented product architecture enhancements, increasing platform performance and minimizing the need for support.
  • Implemented and updated application modules for the platform's search service that provides a Solr search engine to customers.
  • Ran maintenance on Solr, MySQL, and Redis infrastructure with millions of users.
Technologies: Go, Kubernetes, Docker, Google Cloud Platform (GCP), Apache Solr

Senior Go Developer

2019 - 2021
GM Consulting
  • Contributed to the full-stack development of an early childhood education app for the US market. Worked on features for in-school and in-home education.
  • Developed back-end services for processing different payment types, including SEPA, SWIFT, and FPS, for a European fintech project. Implemented the migration from a monolith to a distributed microservices architecture.
  • Reduced latency time for payments by over 3.5 times.
  • Implemented a microservices architecture on the back end and supported the front end.
Technologies: Go, PHP, Docker, PostgreSQL

Software Developer

2018 - 2019
Beetroot Lab
  • Developed a full-stack web application for a railway company in Sweden.
  • Contributed to a project's technology migration and architectural changes. Implemented a microservices architecture for a travel agency app.
  • Introduced and implemented a train-sitting algorithm to increase train capacity by 1.5%.
Technologies: Go, PHP, SQL, Docker

PHP Developer

2016 - 2018
Provectus
  • Built a B2B service that provides source-to-pay and contract management solutions on a single cloud platform. Rewrote a legacy system with modern technology and implemented new features and modules.
  • Developed features under a custom proprietary SaaS framework.
  • Oversaw and mentored new developers on the project.
Technologies: PHP, Docker, SQL, Elasticsearch, Laravel

PHP Developer

2015 - 2016
CARiD
  • Developed and supported a large American eCommerce product.
  • Processed a large amount of data, including displaying and optimizing the сatalog that includes millions of products. Supported the integration with various payment systems.
  • Built services that export data to external services like eBay and Google Shopping.
Technologies: PHP, MySQL, Symfony

Experience

Pantheon

https://pantheon.io/
A system that runs exceptional web experiences on one platform and includes integrated operations, workflow, and governance for WordPress, Drupal, and Next.js websites.

Pantheon enables teams to build, scale, and deliver exceptional digital experiences. From cutting-edge Drupal and WordPress sites to seamless workflows and scalable infrastructure, the company empowers teams to achieve more with less.

As a senior back-end developer, I contributed to building this WebOps platform that hosts various CMS sites. I also implemented product architecture enhancements, boosting platform performance.

CARiD

https://www.carid.com/
A technology-driven, digital commerce company focused on creating custom infrastructure and unique user experiences within transportation markets.

Founded in 2008 as Onyx Enterprises Int'l, Corp., CARiD's vision was to create a one-stop destination for automotive parts and accessories. This was achieved with the launch of CARiD.com, which has become the premier marketplace in the category.

As a PHP developer, I contributed to building and supporting this eCommerce product. I enabled the processing of a huge amount of data, ensuring the display and optimization of its catalog that includes millions of products.

Education

2008 - 2013

Bachelor's Degree in Computer Systems and Networks

Odesа Polytechnic National University - Odesa, Ukraine

Skills

Tools

GoLand, Apache Solr

Languages

PHP, SQL, JavaScript, Go

Frameworks

Laravel, Symfony

Platforms

MacOS, Linux, Google Cloud Platform (GCP), Kubernetes, Docker

Storage

PostgreSQL, Elasticsearch, MySQL

Other

Computer Science

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