Viacheslav Dushin, APIs Developer in Saint Petersburg, Russia
Viacheslav Dushin

APIs Developer in Saint Petersburg, Russia

Member since January 24, 2014
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

  • Silversheet
    Ruby on Rails (RoR), React, DevOps, AWS CloudFormation, Docker...
  • Social Media Link
    Marketo, Salesforce, Vue, AngularJS, Ruby on Rails (RoR), JavaScript...
  • Spreemo Health
    JavaScript, APIs, Intuit QuickBooks, Ruby on Rails (RoR), Ruby, PostgreSQL...

Experience

Location

Saint Petersburg, Russia

Availability

Full-time

Preferred Environment

Linux, MacOS

The most amazing...

...software I've built on Ruby on Rails is an online marketplace with Salesforce integration.

Employment

  • Senior Full-stack Developer

    2021 - 2022
    Silversheet
    • Helped to develop a medical credentialing platform called Silversheet. I worked both on the front and back end.
    • Created a bunch of proof of concepts to check the viability of an idea. For example, I researched and implemented SSO MVP.
    • Migrated some functionality to microservices (Amazon Lambda).
    Technologies: Ruby on Rails (RoR), React, DevOps, AWS CloudFormation, Docker, Amazon Web Services (AWS), Documentation, JavaScript, PostgreSQL, CSS, HTML, APIs, SQL, Full-stack, Heroku, CI/CD Pipelines, Sidekiq, Microservices Architecture, Ruby on Rails 5, Web Development, Back-end Development, Front-end Development, Full-stack Development, Ruby, Continuous Integration (CI)
  • Full-stack Developer

    2017 - 2019
    Social Media Link
    • 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.
    • Collaborated on the migration of AngularJS to a Vue single-page application.
    • Worked as a back-end developer to improve general platform performance.
    Technologies: Marketo, Salesforce, Vue, AngularJS, Ruby on Rails (RoR), JavaScript, PostgreSQL, CSS, HTML, SQL, Full-stack, Ruby on Rails 5, Web Development, Back-end Development, Front-end Development, Full-stack Development, Ruby
  • Senior Rails Developer

    2015 - 2017
    Spreemo Health
    • 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, ensuring no precious medical data was lost.
    Technologies: JavaScript, APIs, Intuit QuickBooks, Ruby on Rails (RoR), Ruby, PostgreSQL, SQL, Full-stack, Ruby on Rails 5, Web Development, Back-end Development, Front-end Development, Full-stack Development

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, HTML, CSS, SQL, C, TypeScript
  • Frameworks

    Ruby on Rails (RoR), Ruby on Rails 5, AngularJS, Selenium, Angular
  • Paradigms

    Agile Software Development, Test-driven Development (TDD), DevOps, Microservices Architecture, Continuous Integration (CI)
  • Other

    APIs, Web Development, Back-end Development, Front-end Development, Full-stack Development, Software, Full-stack, Documentation, Intuit QuickBooks, Machine Learning, Tracking, CI/CD Pipelines
  • Libraries/APIs

    jQuery, Vue, Facebook API, React, Sidekiq
  • Platforms

    Heroku, Marketo, Debian Linux, Linux, Salesforce, Amazon Web Services (AWS), Docker
  • Storage

    NoSQL, MongoDB, PostgreSQL, SQLite, MySQL
  • Tools

    Mathematica, AWS CloudFormation, RabbitMQ

Education

  • PhD in Astrophysics and Stellar Astronomy
    2009 - 2015
    St. Petersburg State University - St. Petersburg, Russia
  • Specialist Degree in Astrophysics and Radio Astronomy
    2004 - 2009
    St. Petersburg State University - St. Petersburg, Russia

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