- Developer2010 - PRESENTFreelance
- Implemented a real-time deal search engine, including an API.
- Created a candidate screening platform.
- Developed a Rails and Salesforce application for a small consulting company.
- Created a social network with Node.js and Ruby on Rails.
- Wrote a web crawler for a search engine.
- Developed a Groupon clone.
Technologies: Rails, Ruby, JavaScript, jQuery, PostgreSQL, MongoDB, Node.js, Python - Senior Rails Developer2015 - 2017Spreemo (via Toptal)
- Developed a API using Ruby on Rails.
- Worked with microservices.
Technologies: Ruby on Rails, QuickBooks, API, JavaScript - Rails Developer2007 - 2010OBS Labs
- Created a social network.
- Created a GPS tracking system.
- Developed an online recruitment platform.
- Developed a simple Basecamp clone.
- Built a simple online sales platform.
Technologies: Ruby on Rails, JavaScript
Viacheslav Dushin
Saint Petersburg, Russia
Member since December 25, 2013
Viacheslav is a software engineer with five years of experience in web application development with Ruby on Rails and JavaScript (including Prototype, jQuery, Backbone, etc.). He also has experience with MySQL, PostgreSQL, MongoDB, Salesforce, GPS tracking, Python, C, and more.
Viacheslav is now available for hire
Portfolio
- FreelanceRails, Ruby, JavaScript, jQuery, PostgreSQL, MongoDB, Node.js, Python
- Spreemo (via Toptal)Ruby on Rails, QuickBooks, API, JavaScript
- OBS LabsRuby on Rails, JavaScript
Experience
- Agile Software Development, 8 years
- Ruby, 8 years
- Ruby on Rails (RoR), 8 years
- JavaScript, 7 years
- jQuery, 6 years
- Python, 4 years
- MongoDB, 3 years
- AngularJS, 1 year
Availability
Part-time
Preferred Environment
Mac OS X, Linux
The most amazing...
...software I've ever built on Ruby on Rails is an online marketplace with Salesforce integration.
Employment
Experience
- GPS tracking system (Development)
GPS tracking system with web interface for a transport company that allows for tracking of vehicles in real time.
- Real-time dining deal search engine (Development)
Real-time dining deal search engine with an API and mobile application that allows users to find nearby deals.
- On-line Candidate Screening Platform (Development)
Iinnovative candidate screening platform that allows recruiters to find the best candidates for job positions.
- Rails and Salesforce Application (Development)
Rails and Salesforce application for a small investment company (for internal use only).
Skills
- LanguagesRuby, JavaScript, Python, CoffeeScript, Fortran, SQL, C
- FrameworksRuby on Rails (RoR), Prototype Framework, Machine Learning, AngularJS, Scrapy
- ParadigmsAgile Software Development, Test-driven Development (TDD)
- Libraries/APIsjQuery UI, jQuery, Facebook API, Backbone.js
- StorageNoSQL, MongoDB, PostgreSQL, MySQL, SQLite
- ToolsMathematica
- PlatformsSalesforce, Linux, Mac OS, Debian Linux
- OtherGNU
Education
- Ph.D. degree in Astrophysics and Stellar Astronomy2009 - 2015St. Petersburg State University - St. Petersburg, Russia
- Specialist's degree in Astrophysics and Radio Astronomy2004 - 2009St. Petersburg State University - St. Petersburg, Russia
