Career Profile

My name is Alex and I'm Ruby engineer with excellent DevOps skills.
32y.o., married. I live in Kiev, Ukraine.
Have 12 years experience in IT and Web development.
Open for relocation offers to Spain or Netherlands.

Education:
Volodymyr Dahl East Ukrainian National University, department of Computer Science and computer engineering, Bachelor’s degree in Computer Science (2004—2006; 2016—2018)

Proficiencies:
Linux(using it for 16 years already);
Ruby and Ruby on Rails(10 years of experience);
TDD using Rspec;
Databases and storages: MySQL, PostgreSQL, Redis, Elasticsearch;
Amazon Web Services(AWS), Ansible, Terraform;

Experiences

IT Consultant

October 2019
ULTRAGROUP
I have consulted big retail company regarding e-commerce solutions, made security audit and code review of several projects. Participated in negotiation with different contractor companies.

Software Engineer

2016 – 2019
Hotelcloud / Blackbell
E-concierge SAAS for hospitality industry(Hotelcloud) and site builder with powerful e-commerce/marketplace features(Blackbell).

Some of technologies used: Ruby on Rails, Rspec, Sidekiq, Redis, PostgreSQL, AWS, AWS OpsWorks, Ansible, Terraform, Letsencrypt/ACME integration, React Native/Expo.

I have been responsible of design and development of different parts of system, APIs, developed microservice for automatic domains and SSL management with Letsencrypt. Implemented build/deploy pipeline for different frontend applications(Backbone, React, Ember, Vue) and dozens of mobile apps(React Native/Expo). DevOps and monitoring using AWS, Cloudwatch, Cloudwatch Logs, OpsWorks, Ansible, Terraform. Introduced ChatOps for all the builds using Lita bot/Slack. Was responsible on building and publishing White-Label mobile apps for iOS and Android. Also implemented integration with Algolia search and other 3rd parties.

Ruby Engineer, DevOps Engineer

2014 – 2016
Choxi.com, Inc
Worked in a team of ruby professionals to solve big e-commerce problems.
As ruby developer have participate in upgrading and modernizing big and old rails project, developing new features, integrated it with 3rd parties. Application was responsible for full lifecycle of warehouse management and product placement in e-commerce company.
As DevOps I've migrated both apps deployment and servers provisioning from badly coupled mess of Bash and Ruby scripts to Ansible; optimized and scaled big AWS cluster(up to 100 nodes). Survived Black Friday. Made infrastructure stable enough to have 0 late night urgents for last 6 months :)
As one of the biggest projects I've applied PCI DSS 3.1 security compliance standards to our network and passed certification.

Some of technologies used: Ruby, Ruby on Rails, Rspec, Sidekiq, Ember.js, PHP/php-fpm, AWS VPC, OSSEC, Elasticsearch, ELK Stack, ClustrixDB, Redis, Ansible, Ansible Tower, various CDN and DNS providers.

Ruby Engineer

2013 – 2014
LevelUp games

We had implemented complex data collection/web scraping project with tons of analytics on top of Rails, Postgres, Selenium, Mongodb & Sidekiq Pro, Rspec, Knockout.js, Coffescript. Infrastructure provisioning and DevOps tasks using Ansible and SaltStack.

Senior Ruby on Rails Developer

2013
Talkable

Referral system with a lot of analytics and reporting.
Participated in migration to Rspec from test-unit, MySQL optimisation and replication. Servers provisioning and deployment with Capistrano.
Technologies used: Ruby/Rails, MySQL, Capistrano, AWS, test-unit, Rspec.

Senior Ruby on Rails Developer

2012 – 2013
Archer Software

Backend development for PAAS project. Implemented API for servers infrastructure orchestration and provisioning. Technologies used: Ruby, Sinatra, Rspec, Resque, Redis, Amazon Web Services and Chef.

Ruby on Rails Developer

2012
Lookz.ru

Full stack Rails development, app deployment and servers provisioning for e-commerce startup. Worked in team of professionals creating MVP app for e-commerce platform. Technologies: Ruby, Rails, Rspec, Resque, Capistrano, PosqtgreSQL, Sass, Haml, Spree.

Ruby on Rails Developer

2010 – 2012
Svitla Systems, Inc.

That was my first ruby development position. I've learned a lot participating on several projects and met many good people there!
Full stack Rails development using following technologies: Ruby, Rails, Rspec, Cucumber, Amazon Web Services, Mysql, Sass, Haml, Capistrano, etc. Implemented Continuous Integration using TeamCity.

System Administrator

2007 – 2010
VisaHQ.com, Inc.

My first job in IT world.
VisaHQ.com specialize on visas and passport services support.
I have configured and monitoring production environment for them remotely.
Migrated from FreeBSD to Debian Linux. Implemented monitoring and alerting. Configured MySQL replication for reporting. Supported team of PHP developers in Ukrainian office.
Learned some Ruby and Python to automate my daily routines. Implemented several website features using HTML/CSS/Jquery.

Skills & Proficiency

Linux

Ruby on Rails

Amazon Web Services

Ansible

Javascript & jQuery

HTML5 & CSS