Віктор

Viktor Chystiakov
PHP Developer
Experienced PHP developer with over 8 years of commercial practice, primarily working
with Laravel and Symfony. Confident in modern backend development approaches,
including REST API design, third-party service integration, writing automated tests,
working with various databases (MySQL, PostgreSQL, MariaDB, MongoDB), and setting
up environments using Docker. Follow SOLID principles, apply design patterns, and
adhere to PSR standards. Also have knowledge of HTML, CSS, JavaScript.

Contact Experience
Nov 2025 - Sep 2026
Email
[відкрити контакти](див. вище в блоці «контактна інформація») Dialerr
Full Stack Engineer
LinkedIn Responsibilities: developing a Chrome extension (MV3) embedding an agent softphone
[відкрити контакти](див. вище в блоці «контактна інформація») toolbar into third-party CRM pages; developing a native iOS softphone (CallKit, PushKit,
SIP/WebRTC); REST API and WebSocket development; multi-device inbound call routing
and ringing; APNs push notifications; iMessage and FaceTime channels with companion
Education macOS daemons; GoHighLevel integration and more.
Stack: Node.js, Express, WebSocket, MySQL, Redis, React, SIP/WebRTC, FreeSWITCH,
APNs, Chrome Extension MV3, Swift, SwiftUI, CallKit, PushKit, Docker, etc.
2014 - 2018
Software engineer
Melitopol State Pedagogical Dec 2020 - Aug 2025
Institute Computools LLC
PHP Developer
Expertise Responsibilities: developing a system for managing Amazon Advertising campaigns; charts
and CSV/Excel report generation; REST API and microservices development; unit tests;
database optimization; upgrading Symfony from 4.4 to 6.4; code refactoring.
PHP 5.4/5.6/7/8 Stack: PHP, Laravel, Symfony, MySQL, PostgreSQL, MongoDB, Docker, RabbitMQ, SQS,
PHPUnit, Doctrine, ElasticSearch, etc.
MySQL/PostgreSQL/MariaDB

NoSQL (MongoDB) Sep 2020 - Nov 2020
Drum'N'Code
Laravel, Symfony, Yii1/2
Backend Developer
JavaScript Responsibilities: integration of tracking and affiliate systems (Tapfiliate, Effitrace);
Swagger; ElasticSearch; porting modules from Symfony 2.8 to Laravel 7 and more.
HTML5/CSS3 (incl. Less.js) Stack: PHP, Laravel, Symfony, MySQL, Redis, Doctrine, Docker, ElasticSearch, Swagger.

PHPUnit (incl. CodeCeption)
Sep 2017 - Aug 2020
RabbitMQ/SQS
CLEARVOIP LTD
ElasticSearch PHP Developer
Responsibilities: porting the project from Yii1 to Yii2; RESTful API development; frontend,
Eloquent/Doctrine admin and client sections; integrations with third-party APIs (Google, Facebook,
Instagram, Zendesk, FirstData payments); microservice for email integration; website
Docker/Docker-compose
scraping; acceptance, unit and functional tests and more.
Stack: PHP, Yii1/2, MySQL, MariaDB, RabbitMQ, Guzzle, PHPUnit (CodeCeption with
Selenium), Swagger, JavaScript (including jQuery), HTML5/CSS3, Bootstrap 3.
Language
Sep 2016 - Aug 2017
English (Pre-Intermediate) Melitopol State Pedagogical Institute
Ukrainian (Native) Software Engineer
Responsibilities: maintaining university and faculty websites; bug fixing and more.
Stack: PHP, Joomla, Yii1/2, MySQL, JavaScript (including jQuery), HTML5/CSS3.