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Roman Romadin

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Last update: 06.09.2022

Senior Backend Developer, Web Developer

Graduation: not provided
Hourly-/Daily rates: show
Languages: English (Limited professional) | French (Elementary) | Russian (Native or Bilingual)

Attachments

Resume-RomanRomadin.docx

Skills

PHP, Laravel, AWS, Firebase, load testing, Data warehouse, Clickhouse, PostgreSQL, mobile application, API, Android, PHP [Yii1, Yii2, Golang, rabbitmq, angular, react, server hardware, Cardova, analytics, online store, CRM, Yii, JavaScript, AJAX, express, Search engines, MySQL, Google Maps API, for XML, SOAP, UI, LAN, video processing, Java, Vue, js, DB, Unix, Linux, CentOS, Ubuntu, Docker, Kubernetes, Helm, Git, SVN, Jira, Redmine, html, css, xml, C ++

Project history

09/2014 - 01/2019
Senior Backend Developer
IMMO.RU

Key tasks:
* To build Landing-page platform and Data warehouse.
* Distribution of tasks between developers and planning the time execution.
Achievements:
* Development of a Landing-page platform that enabled the company to increase its profitability by
30%.
* Elaboration of a Traffic Arbitrage calculation system (charts and a system for monitoring
business indicators).
* Introduction of modern solutions using Golang, Clickhouse, and PostgreSQL that enabled the team
to increase the capacity of the Landing platform by 8 times.
* Development of a server part for a mobile application (API) and completion of a mobile music
Android application.
* Management of a Dev team: 3 Backend developers (PHP [Yii1, Yii2, Laravel, Golang, PostgreSQL,
Clickhouse, rabbitmq]) and 3 Frontend developers (angular, react).
* I Increased development speed by 10% due to the introduction of unit-tests and load testing
(ab/wrk) - for traffic 15 million RPD through the platform.
* I Participated in the decision to purchase server hardware.
* During this time at the company, I independently mastered: Golang, Android, Clickhouse, Cardova.

07/2013 - 08/2014
Web Developer
SHOPPINGLIVE.RU

Key tasks:
* Build new modules in company projects: online shop, crm and analytics.
* Projects: website (online store), CRM and reports (statistics).
Achievements:
* I prepared project to scale and easy development in the future, clear separation of Entities and
Utilities components. Also, I assisted my colleagues and collaborated with other teams.

04/2013 - 07/2013
Web Developer
SVYAZNOY.TRAVEL

Key tasks:
* Fullstack development of site www.svyaznoy.travel.
* Make analytic service. Implemented Yii framework.
* Improvement of sections " Insurance, email Subscriptions and News".
A significant part of the entire project is was engaged in JavaScript. The widespread usage of AJAX.
Also, I was in support of compatibility with IE7. Page making from PSD layouts (pixel by pixel).

04/2011 - 04/2013
Web Developer
ONLINE-EXPRESS.RU

Key tasks:
* Fullstack development of a website https://online-express.ru
* Developments of Statistics and Search engines on PHP and MsSQL/MySQL.
* I Used Google Maps API to retrieve and update data (130 000+ hotels, airports and cities);
* Developments of a new website to replace the existing website.
The process of development has included.
* Creating a completely new kernel.
* Development API for XML, SOAP.
* Development of system modules.
Development of a new company website: time2.travel.ru - finalization of UI and administrator
interface for websites: test.avrora-intour.ru www.avrora-intour.ru , www.aurore.ru , and
avia.aurore.ru
Development of a new website test.avrora-intour.ru (Yii framework)
Also, I was responsible for LAN administration and video processing.

Local Availability

Only available in these countries: Russian Federation
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