Arcady Chumachenko, Developer in Quito, Pichincha, Ecuador
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Arcady Chumachenko

Verified Expert  in Engineering

Software Developer

Location
Quito, Pichincha, Ecuador
Toptal Member Since
February 20, 2015

Arcady loves to explore new things, and is passionate about making things the right way. He has eight years of experience with Python, has built large-scale services that reach millions of users, and has a keen interest in data analysis. He is a communicative individual, and will make a great addition to any team.

PythonDjangoTest-driven Development (TDD)PostgreSQLUbuntuMySQLAgile Software DevelopmentPyCharmjQueryBootstrap 3MongoDBScrumPhoneGapAngularJSFlask

Portfolio

RusBase.com
MySQL, Django
Upshot Data
Scala, Python, PostgreSQL, Ionic, Angular
LPGenerator.ru
Amazon Web Services (AWS), MongoDB, MySQL, Flask, Django

Experience

Python - 9 yearsTest-driven Development (TDD) - 8 yearsDjango - 8 yearsJavaScript - 4 yearsMongoDB - 1 year

Availability

Part-time

Preferred Environment

Git, PyCharm, Ubuntu

The most amazing...

...thing I've done is successfully launch the totally redesigned RusBase.com in the span of 3 months.

Work Experience

Lead Developer

2012 - PRESENT
RusBase.com
  • Redesigned the project completely in just 3 months.
  • Set up effective tasking using Trello.
  • Interviewed and code-reviewed new colleagues.
  • Set up near-automatic deployment.
  • Built an extensive user dashboard with Angular.
Technologies: MySQL, Django

Developer

2014 - 2014
Upshot Data
  • Developed a hybrid mobile application with Angular.
  • Built an adapter for Postgres using 3rd-party APIs.
  • Fixed bugs with a Scala API server.
  • Enforced security by whitelisting SQL input.
  • Created a fuzzy testing framework.
Technologies: Scala, Python, PostgreSQL, Ionic, Angular

Lead Developer

2011 - 2014
LPGenerator.ru
  • Designed the project from scratch.
  • Applied basic feedback for maximum conversion.
  • Developed a powerful client-side editor.
  • Moved to AWS with only 3 hours of downtime.
  • Integrated smoothly with a whole bunch of APIs.
Technologies: Amazon Web Services (AWS), MongoDB, MySQL, Flask, Django

Developer

2011 - 2011
WPT Bootcamp
  • Worked on both back-end and front-end.
  • Integrated Cybersource and secure credit card storage for billing.
  • Chose and integrated Adobe Connect as a webinar back-end, according to client specifications.
  • Enforced some TDD practices.
Technologies: jQuery, PostgreSQL, Django

Developer

2009 - 2011
Corvin.ru
  • Developed a virtual bookshelf for Bibla.ru.
  • Built a toy collector portal for Rotocasted.com.
  • Created a movie and recommendations database for FilmFeed.org.
  • Implemented a recommendations algorithm to help users find new movies and books.
  • Designed some UX based on user feedback.
Technologies: jQuery, PostgreSQL, MySQL, Django

Developer

2007 - 2009
Eksponenta.ru
  • Built services from scratch with a geographically dispersed team.
  • Used caching and DB optimizations for a smooth and stable UX.
  • Developed Bobrdobr.ru, a Russian "online bookmarks" service, from concept up to a relatively high-load service.
  • Built Meinanteil.de, a German cashback system.
  • Worked on the social redesign of Subscribe.ru, a Russian mailing list service.
Technologies: IBM Informix, jQuery, Memcached, PostgreSQL, Django

Game Scripter

2006 - 2007
CREAT Studios
  • Wrote in-game scenario scripts.
  • Programmed UI.
  • Supported network communication for multiplayer mode.
  • Prototyped in-house tools with Python and TDD.
  • Reported on the KRI 2007 Russian game developer conference.
Technologies: Python, Lua, Perforce

uTasker

A small task tracker. The source is available at https://github.com/ilvar/utasker

Professional Development in Machine Learning

https://www.coursera.org/course/ml
Received a score of 100% in 2014. Course published and maintained on Coursera.org by Stanford University

Languages

Python, Scala, Lua, JavaScript

Frameworks

Django, Flask, Angular, Ionic, Bootstrap 3, PhoneGap, AngularJS

Tools

PyCharm, Perforce, Git

Paradigms

Agile Software Development, Test-driven Development (TDD), Scrum

Platforms

Ubuntu, Amazon Web Services (AWS)

Storage

PostgreSQL, MySQL, Memcached, IBM Informix, MongoDB

Libraries/APIs

jQuery

2001 - 2007

Professional Degree in Informational Security

IFMO - St. Petersburg, Russia

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