Олександр

Oleksandr Mitin
Senior PHP Developer/DevOps engineer – DYVOTECH
Ukraine

Professional Expeirence

Senior/Lead PHP Developer/DevOps engineer
Contacts: DYVOTECH
[открыть контакты](см. выше в блоке «контактная информация») Septemper 2018 – now
[открыть контакты](см. выше в блоке «контактная информация») Kiev, Ukraine
[открыть контакты](см. выше в блоке «контактная информация»)
• developed a new project, turned it to the minimum viable product, then put it into
Primary skills: commercial use;
PHP • developed the main project backend code structure from scratch (Laravel,
Docker PostgreSQL);
PostgreSQL • integrated it with external services (banks, partners, SMS, Sentry, Asterisk, etc.);
• queue (Redis);
• developed microservices (Lumen);
• developed telegram bots (for delivery men, for group security/keeping track of
group members, notification of pipeline status in Gitlab, approve credits);
• developed CI/CD processes (Gitlab, docker, docker-compose);
• developed and supported Docker images;
• performed tasks as a deployment manager;
• trained the QA team for more efficient interaction with the Dev team;
• got black belt in XDebug;
• solved non-standard tasks;
• performed code review

PHP Developer
FOODOUT Group
June 2018 - September 2018 (4 months)
Kiev, Ukraine

• developed backend and frontend parts of an existing product: admin panel,
grocery site, API for mobile devices;
• worked on the delivery service (admin panel on YII2);
Remote PHP Developer
INFUSEmedia
September 2017 - May 2018 (9 months)
Boston, USA

• went on developing backend and frontend parts for the existing product;
• developed algorithms and solutions for the assigned tasks;
• worked with MySQL (MariaDB), Docker, JIRA, git, API development on Lumen
(Laravel);

Backend developer
Admobitec Ltd
June 2016 - August 2017 (1 year 3 months)
Kiev, Ukraine

• participated in several projects;
• designed backend part structure of the project as well as interfaces and API
protocols;
• developed database structures, APIs, got approvals on protocols/data exchange
formats for each of the project;
• worked with Slim Framework, Composer, Docker, Jira, MySQL (MariaDB),
Redis, Symfony;
• (EventDispatcher) and Laravel (Eloquent ORM);
• worked with geolocation databases;
• worked with Stripe payment system;
• designed tests (PHPUnit , "integration" tests), automation testing with TravisCI;
• set up the service for issuing SSL certificates LetsEncrypt;

Lead System Architect
Ai.Ti.En.Ti
June 2014 - June 2016 (2 years 1 month)
Kiev, Ukraine

• developed and modernized configuration for wireless access points;
• developed flexible and dynamic network structure;
• developed a billing system, tariff and payment acceptance algorithms;
• developed a special version of the OpenWRT firmware for the project;
• developed scripts for dynamic synchronization of access point settings with
OpenWRT with control system;
• developed a monitoring system, statistics collection, dynamic configuration
changes for Mikrotik/Ubiquiti access points;
• developed PHP/bash scripts for configuring Mikrotik/Ubiquiti points;
• developed a bunch of small system and service scripts in PHP/bash/
MikrotikScript;
• modernized and refined the user authorization system;
• modernized the existing SMS billing system;
• adapted the system to different networks of partners;
• analysis and processing of statistical data;
• developed partner's statistics interface;
• debugged the system, collected and analyzed data, tested parts of the system;
• developed server configuration;
• technical support of the system, equipment setup, incl. remote, client hardware
setup;
• set up the Proxmox 3/4 virtualization system and creating a cluster;
• worked with OpenVZ, KVM/QEMU;

Manager, Developer, Support
HunterNET
January 2010 - August 2014 (4 years 8 months)
Kiev, Ukraine

• developed and implemented the service to provide access to Internet (with about
300 users) in the student network;
• developed the structure of the service network taking into account technical
restrictions of the main network;
• server setup, development of additional software security;
• attracted new users and provided technical support for the existing ones

Administrator, Developer
SilverTelecom
May 2011 - June 2014 (3 years 2 months)
Kiev, Ukraine

• developed a new service for the company;
• designed a configuration for more profitable network equipment;
• developed a nutrition monitoring system with specific notification algorithms
(mail, sms gateways, work with duty schedule) for network equipment;
• equipment administration and server configuration
Education

National Technical University of Ukraine “Kiev Polytechnic Institute”
Specialist, Development of radio equipment and computer systems
September 2009 - February 2011

National Technical University of Ukraine “Kiev Polytechnic Institute”
Bachelor, Development of radio equipment and computer systems
September 2005 - June 2009