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Daniil Velichko, Software Developer in Novosibirsk, Novosibirsk Oblast, Russia
Daniil Velichko

Software Developer in Novosibirsk, Novosibirsk Oblast, Russia

Member since December 3, 2013
Danyil is a talented web and Android developer capable of creating and improving complex applications. He enjoys contributing to projects with both technical solutions and creative ideas, and has created a variety of apps for small businesses and startups.
Daniil is now available for hire



  • Linux, 5 years
  • JavaScript, 5 years
  • Node.js, 4 years
  • CSS, 3 years
  • HTML, 3 years
  • Elixir, 1 year
  • TypeScript, 1 year
  • Rust, 1 year
Novosibirsk, Novosibirsk Oblast, Russia



Preferred Environment

Unix, Vim

The most amazing... I've created is a web framework Aludel. It allows to spawn clones of components living in subjective realities. (


  • Developer

    2016 - 2017
    Toptal Client
    • Helped rewrite a custom language parser from Ruby to Elixir implementation.
    • Implemented major parts of the new back-end. Included core features and external service integrations.
    • Supported implementing and testing full-feature parity between new and old back-ends.
    Technologies: Elixir, Ruby, Ruby on Rails
  • Developer

    2015 - 2016
    Toptal Client
    • Worked together with the client to flesh out a great user experience for their internal app from initial requirements.
    • Developed visual data representation with D3 and custom parsers.
    • Handled visual design for the app.
    Technologies: Ember.js, Node, D3, RethinkDB
  • Developer

    2015 - 2015
    Toptal Client
    • Helped to optimize API usage and front-end implementation of tables with huge data sets.
    Technologies: Ruby, CoffeeScript, Backbone.js, D3, React, PostgreSQL, Heroku, AWS
  • Web Developer

    2015 - 2015
    • Developed the back-end and front-end for internal housekeeping, supporting a complex workflow including rich data input and visualization features.
    Technologies: Node.js, Express, Angular
  • Developer

    2014 - 2014
    Toptal Client
    • Developed complex front-end UI and data analysis/filtering.
    Technologies: Ruby, Ruby on Rails, JavaScript, MySQL
  • Web Developer

    2013 - 2013
    Tatar on Rails
    • Worked in a remote full-time position.
    • Led or participated in numerous projects for small business owners and startups.
    Technologies: Ruby on Rails, Meteor, Ember.js
  • Web Developer, Android Developer

    2013 - 2013
    2GIS s.p.a.
    • Worked as an in-house consultant and web developer.
    • Designed and implemented several applications for internal business processes.
    • Worked as a Rails consultant, providing training and advice on driving internal projects.
    Technologies: Ruby on Rails, Android, Google Maps



  • Languages

    JavaScript, SQL, Ruby, HTML, CSS, Elm, TypeScript, Elixir, CoffeeScript, Rust
  • Libraries/APIs

    Node.js, Ramda, React, jQuery, Underscore.js
  • Platforms

    Linux, Meteor
  • Frameworks

    Mithril, Ruby on Rails (RoR), Ember.js
  • Tools

    Git, Sketch 3
  • Paradigms

    Functional Programming
  • Storage

    PostgreSQL, MySQL, RethinkDB, MongoDB


  • Bachelor's Candidate degree in Information Security
    2007 - 2011
    NSUEM - Novosibirsk
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