Senior Ruby on Rails Developer
Mariia K.
Available hours \ week
40 h/w
Seniority level
Senior
Years of experience
8 yrs.
Location
Ukraine
Timezone
-
Languages
Ukrainian
Fluent (C2)
English
Upper-Intermediate (B2)
About
I'm a software engineer with more than 8 years of commercial experience. I've worked in different business areas - such as eHealth, employees insurance, travel (tickets management), HR (automated tests for soft skills, IQ level), real estate, energy management, marketing and B2B (for travel tickets managing system), logistics, etc. I know how to work with external APIs and a service-oriented architecture. Have been working with OAuth and social login for applications. Also have experience in mentoring team members and providing technical interviews as an interviewer. I know how to build applications from scratch and how to lead a team. Some technologies I've worked with: Ruby, Ruby on Rails, MySQL, SQLite, PostgreSQL, Mongoid (MongoDB), RSpec, Rswag (RSpec + Swagger), HTML/CSS, Bootstrap, JavaScript (+ some JS libraries), Slim, HAML, work with some servers (Heroku, Capistrano), payment systems (Stripe, Mollie), AWS, GCP, etc.
Core skills
  • Ruby 8 yrs.
Other skills
  • Ruby on Rails 8 yrs.
  • Test Driven Development 8 yrs.
  • JSON 8 yrs.
  • GitHub 8 yrs.
  • RSpec 8 yrs.
  • REST Api 8 yrs.
  • Object Oriented Programming (OOP) 8 yrs.
  • PostgreSQL 8 yrs.
  • Bootstrap 7 yrs.
  • GitLab 7 yrs.
  • MySQL 7 yrs.
  • Heroku 7 yrs.
  • HAML 6 yrs.
  • AWS 6 yrs.
  • Capybara 6 yrs.
  • Slim 5 yrs.
  • JavaScript 5 yrs.
  • Google Cloud Platform 5 yrs.
Experience
QRViDs
Lead Software Engineer
About the Project

It's a mobile application with Ruby on Rails core and Flutter UI part. We've started work with it from scratch. The main goal of the project is to help people (mostly it's oriented to US market) to generate a custom QR codes for their marketing purposes and then print them (if necessary).

Responsibilities

- Create Ruby on Rails API for Flutter mobile frontend. - Organize all project processes from scratch. - Implement all external integrations (like Stripe for payments, Twilio for OTP verification, etc.). - Manage work of Flutter developers. - Actively participate in very close collaboration with the project founder and make impact on future goals and milestones of the project.

Skills & technologies
  • Ruby
  • Ruby on Rails
  • MySQL
  • Heroku
  • RSpec
Shypple
Software Engineer
About the Project

It is a really complex logistic platform (I worked with all stages of supply chain processes, complex business logic, different large seaports/airports, real-time trackers for different kind of goods, etc.).

Responsibilities

- Work with cross-functional teams. - Close collaboration with product owners. - Team mates mentoring. - Provide knowledge sharing sessions. - Use pair programming actively.

Skills & technologies
  • Ruby
  • Ruby on Rails
  • RSpec
  • MySQL
  • PostgreSQL
Ixly
Software Engineer
About the Project

It's a SPA for soft-skills/IQ testing for future employees in different companies (I integrated webhooks for a Dutch payment system and a new technology like Hotwire. Also I worked with rewriting of old logic to a new one, improvements of database processes, etc.).

Responsibilities

- Close collaboration with product owners. - Team mates mentoring. - Provide knowledge sharing sessions. - Use pair programming actively.

Skills & technologies
  • Ruby
  • Ruby on Rails
  • MySQL
  • PostgreSQL
  • RSpec
  • Capybara
  • Heroku
Healthfully
Software Engineer
About the Project

It's a large e-Health platform for the United States. The project helps to provide the automation of all stages of collaboration between doctors and patients.

Responsibilities

- Collaboration with different cross-functional teams. - Write code for API - for web-version of the project and for a mobile version as well. - Take part in all Scrum events.

Skills & technologies
  • Ruby
  • Ruby on Rails
  • RSpec
  • PostgreSQL
  • AWS
Education
Ukrainian Academy of Printing
2008 - 2013
Technology of Electronic Media Publications