Senior Full-stack Developer
2021 - 2022Silversheet- 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 - 2019Social 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, RubySenior Rails Developer
2015 - 2017Spreemo 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
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
- SilversheetRuby on Rails (RoR), React, DevOps, AWS CloudFormation, Docker...
- Social Media LinkMarketo, Salesforce, Vue, AngularJS, Ruby on Rails (RoR), JavaScript...
- Spreemo HealthJavaScript, APIs, Intuit QuickBooks, Ruby on Rails (RoR), Ruby, PostgreSQL...
Experience
- Ruby 10 years
- Ruby on Rails (RoR) 10 years
- APIs 7 years
- JavaScript 7 years
- Python 4 years
- MongoDB 3 years
- Vue 2 years
- React 1 year
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
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, TypeScriptFrameworks
Ruby on Rails (RoR), Ruby on Rails 5, AngularJS, Selenium, AngularParadigms
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 PipelinesLibraries/APIs
jQuery, Vue, Facebook API, React, SidekiqPlatforms
Heroku, Marketo, Debian Linux, Linux, Salesforce, Amazon Web Services (AWS), DockerStorage
NoSQL, MongoDB, PostgreSQL, SQLite, MySQLTools
Mathematica, AWS CloudFormation, RabbitMQ
Education
- PhD in Astrophysics and Stellar Astronomy2009 - 2015St. Petersburg State University - St. Petersburg, Russia
- Specialist Degree in Astrophysics and Radio Astronomy2004 - 2009St. Petersburg State University - St. Petersburg, Russia
