Full-stack Developer
2017 - 2019Social Media Link (via Toptal)- Implemented data sync to various CRMs as a microservice, which saved the client's clients a lot of time: they no longer need to manually synchronize data between Social Media Link and their favorite CRM this way.
- Worked on the migration of AngularJS to a Vue.js single-page application.
- Worked as a back-end developer to improve general platform performance.
Technologies: Marketo, Salesforce, Vue.js, AngularJS, Ruby on Rails (RoR)Senior Rails Developer
2015 - 2017Spreemo (via Toptal)- Performed a complete migration from PHP to Ruby on Rails, making the development stack more modern and flexible.
- Developed a data sync service between QuickBooks and Spreemo, which dramatically simplified accounting work for the company.
- Worked on data migration after a codebase change, making sure that no precious medical data was lost.
Technologies: JavaScript, APIs, QuickBooks, Ruby on Rails (RoR), RubyRails Developer
2007 - 2010OBS Labs- Created a social network in the field of sports, nutrition, and health.
- Built one of the first commercial GPS vehicle tracking systems, which helped the client improve safety while transporting valuable cargo.
- Developed an innovative online recruitment platform.
Technologies: JavaScript, Ruby on Rails (RoR)
Viacheslav Dushin
APIs Developer in 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 AngularJS, Vue.js. Viacheslav also has extensive experience with MySQL, PostgreSQL, MongoDB, Salesforce, GPS tracking, Python, and C, and he is eager to offer innovative solutions in the field.
Viacheslav is now available for hire
Portfolio
- Social Media Link (via Toptal)Marketo, Salesforce, Vue.js, AngularJS, Ruby on Rails (RoR)
- Spreemo (via Toptal)JavaScript, APIs, QuickBooks, Ruby on Rails (RoR), Ruby
- OBS LabsJavaScript, Ruby on Rails (RoR)
Experience
- Agile Software Development 10 years
- Ruby 10 years
- Ruby on Rails (RoR) 10 years
- APIs 7 years
- JavaScript 7 years
- Python 4 years
- AngularJS 3 years
- MongoDB 3 years
Availability
Part-time
Preferred Environment
Linux, MacOS
The most amazing...
...software I've built on Ruby on Rails is an online marketplace with Salesforce integration.
Employment
Experience
- GPS Tracking System
One of the first commercial vehicle GPS tracking systems with a web interface for a private transport company. The company was a US government contractor that transported highly valuable cargo. To improve safety, they decided to employ GPS tracking, and I implemented the software part of the system.
- Online Candidate Screening Platform
An innovative new platform for job candidate screening that is built to allow a company's recruiters to seek out and assess the skills and qualifications of the best candidates for a variety of job positions available online.
- Rails and Salesforce Application
Rails and Salesforce application for a small investment company built for internal use only.
Skills
Languages
Ruby, JavaScript, Fortran, Python, CoffeeScript, SQL, C, TypeScriptFrameworks
Ruby on Rails (RoR), AngularJS, Selenium, Mocha.js, AngularParadigms
Agile Software Development, Test-driven Development (TDD)Other
APIs, QuickBooks, Machine Learning, GNU, GPS, Tracking, Astrophysics, Stellar AstronomyLibraries/APIs
jQuery, Vue.js, Facebook API, ReactStorage
NoSQL, MongoDB, PostgreSQL, SQLite, MySQLTools
MathematicaPlatforms
Marketo, Debian Linux, MacOS, Linux, Salesforce
Education
- PhD in Astrophysics and Stellar Astronomy2009 - 2015St. Petersburg University - St. Petersburg, Russia
- Specialist Degree in Astrophysics and Radio Astronomy2004 - 2009St. Petersburg State University - St. Petersburg, Russia
