Denis Lukianov
Full-stack developer-
05/01/1995
linkedin.com/in/denislukianov
Upwork profile
Profile
I've been working on Ruby on Rails applications since July of 2012.
5 years experience with remote-only teams and clients.
I’m passionate about web development and learning new things and technologies. I’m quick-learner, a person
who can take responsibility and can work with minimal supervision, delivering results on time with great
quality.
Experience (most recent, 8 years total)
08/2015 – 01/2020
Moscow/Remote
Reer.tech
Full-stack developer
One of the big project in reer.tech was Halontax.com
It is Ruby on Rails + React + React with ScalaJS (for complex parts of our app)
application for calculating taxes.
Halontax uses micro-service architecture. It's have more than 10 micro-services and
we use Kafka for communicate between our apps.
Some of my most interesting duties included:
Maintain existing code and developing a new features
Move pieces of the application to micro-services and create a gems for it
Create an API for some parts of application
Integrate with third-party services like intercom, stripe, twilio, etc...
Replace some parts from JQuery to React
Using Grape framework to create simple microservices
Optimized parts of the app by putting them in sidekiq
Covering the app with tests (Using RSpec, Capybara)
Some other things we use in halontax:
Redis, Sidekiq, ruby-kafka, trailblazer-cells, RabbitMQ
Second big project was Ivyandrose.com
E-commerce solution for jewelry company. Main things that we use in this projects:
Ruby on Rails
Spree
ElasticSearch
Sidekiq
08/2013 – 08/2015
Remote
Freelance
Full-stack developer
Moscow/Remote
Rustrus
Full-stack developer
Complete e-commerce solution for underwear trading company
50k+ hits/day, dedicated API (with login-based pricing) for integration with other ecommerce solutions (mostly for dropshipping), payment gateway integration, a lot
of custom functions. Made with Rails
http://rustrus.ru
Skills
Ruby
Ruby on Rails
React
SQL
JavaScript
VIM
Awards
In 2014 I entered in top 100 in Global Hackahathon by Koding.com
Upwork Top Rated freelancer
