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BACK END ROR ENGINEER (with knowledge of DDD and CQRS)

August 14, 2019
1 position

BACK END ROR ENGINEER (with knowledge of DDD and CQRS)


Any City, Ukraine

Svitla Systems Inc. is looking for Back End RoR Engineer (with knowledge of DDD and CQRS) for a full-time position in Ukraine. Spanning the full range of litigation, contract lifecycle management and business enablement solutions, our client empowers law firms, corporations, professional services organizations and financial services institutions to deliver predictable outcomes allowing our clients to focus on what they do best. Current customer's application is built primarily in Ruby-on Rails with jQuery and some React/Redux. It is a robust, document-heavy application using a PostgreSQL database. OCR is built into our document pipeline. For search, they use Elastic Search.Their main application is cloud-based, hosted on Amazon AWS.

About Svitla:

Svitla Systems is a proven custom software development company and testing provider. We deliver unparalleled value to our clients, who rely on our expertise in managed team extension and AgileSquads.    

Our main office is in the heart of Silicon Valley - with sales and development offices throughout the US, Mexico, and Europe (Ukraine, Montenegro, and Germany).

Our mission is to build a business that is not only profitable but also contributes to the well-being of our employees and their families, improves our communities, and makes a lasting difference in the world.


We have a number of features we would like to implement and need your help to do it.  You will also be helping move our monolithic Rails application to more decoupled components using modules and Bounded Contexts.

What you'll be working on:

  • New features and enhancements;
  • Refactoring behavior into isolated bounded contexts;
  • Work closely with product team to dissect features;
  • Manage your own time and be responsible with minimal oversight;
  • We are always adapting our process to improve, and you will be have say and be heard.


Required skills: 

  • Ability to quickly pick up complex domain-specific concepts;
  • Experience working on enterprise SaaS applications for regulated industries (Legal/Finance/Healthcare);
  • Interfacing with PostgreSQL, ElasticSearch, Redis in the context of a Rails application;
  • Experience with background jobs framework such as Resque (preferred), Sidekiq, delayed_job;
  • Familiarity with static code analysis tools, common web application vulnerabilities, secure development best practices;
  • Experience with Paperclip, ActiveStorage, Devise, Apartment, AWS SDK gems;
  • Familiarity with RSpec, Capybara, Jest;
  • Spoken English.

Desired skills:

  • Experience implementing SAML-based SSO (Azure AD preferable);
  • Experience working on document management applications;
  • Familiarity with Unicorn and Nginx;
  • General understanding of React and similar UI frameworks;
  • Understanding of RDMS with an understanding of raw SQL statements, database constraints and indexing;
  • Have read or have interest in the ‘Blue Book’ (Evans), ‘Red Book’ (Vernon) or Domain Driven Rails (Pankowecki & Arkency Team);
  • Have read or have interest in the CQRS pattern;
  • Experience with Docker and Vagrant.

This will be a plus:

  • Interest or have implemented Event Sourcing.

What we love about Svitla Systems:

  • Flexible working day start & stop times.
  • English classes, professional and personal trainings, conferences and webinars.
  • Competitive compensation, including equity options with regular performance-based salary and career development reviews.
  • Medical Insurance (health, dental), employee assistance program.
  • Personal time off: paid vacation and holidays. Work hard, play hard, right?
  • We're very fast-paced, hard-working, and love to have fun! Our cool co-workers play soccer, poker, go skiing, biking, hiking, and so much more.
  • We have tasty birthday cakes, lunch bunch and subsidized drinks and snacks, funny celebrations, team outings and unforgettable corporate events.
  • We are always happy to meet the newbie colleagues and their new ideas.
If you are interested in our vacancy, please send your CV. We will be happy to see you in our friendly team :)

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