Dmitrii Derenko

Software engineer in Belgrade. Mostly backend in PHP and Go, some frontend in React and Vue.

Experience

Sep 2023 – now
Software Engineer
AdTech Holding · Belgrade, hybrid
PHP / Go / JSOct 2024 – now
  • Go services that automate domain registration.
  • Refactoring existing services for performance and reliability.
PHP / JSSep 2023 – Oct 2024
  • Internal admin tools on Symfony.
  • Set up coding standards for the team.
Apr – Sep 2023
Backend Developer
Creative Code · Pittsburgh, remote
  • Upgraded a project from Laravel 6 to 10 and PHP 8.2, cleaning up legacy code along the way.
Sep 2022 – Sep 2023
Backend Developer
IT-Aces · Moscow, remote
  • Built an email and SMS notification system for high load.
  • Sped up the database with query optimization and indexes.
  • Services in Laravel and Go.
Apr – Aug 2022
Backend Developer
Frozeneon · Cyprus, remote
  • Moved a project from CodeIgniter to Laravel 8.
  • Admin panel features and game mechanics for a gaming platform.
Jan 2021 – Apr 2022
Team Lead, PHP
Prodamus · Yoshkar-Ola, remote
  • Led the team behind a support inbox that brings Instagram, Facebook and WhatsApp messages into one interface.
  • Sprint planning and day-to-day coordination of the team.
Oct 2020 – Jan 2021
Junior Frontend Developer
Ambirel · Moscow, freelance
  • Four client projects in React and Vue, working out requirements directly with clients.
Mar – Oct 2020
Junior Full-Stack Developer
CyberSoft · Stavropol, on-site
  • An educational platform: curriculum management, UI, and a real-time chat over WebSockets.

Skills

Backend
PHP (Symfony, Laravel), Go
Frontend
JavaScript, React, Vue
Data
PostgreSQL, Redis, Elasticsearch
Infra
Docker, Linux

Education

Software Development
Stavropol Regional Multidisciplinary College · 2017–2021