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Middle RoR Engineer

About us

A Syndicoder possesses good soft skills, loves what he/she does, can trust and delegate, is always ready to learn new things, and unites people in difficult situations

Every Syndicoder is an innate part of the horizontally built team with a massive pool of interests and knowledge. For us, friendship, empathy, dedication, and respect are not just words – they are what make Syndicode a team

Our core values are Integrity, Openness, Responsibility, and Being ready to support.

It is unacceptable for us to cheat or be silent about problems on a project, systematically fail to perform our duties, have no desire to develop, and be toxic in any way

About the project

FlippedNormals is a digital peer-to-peer web application/marketplace that allows 3d artists to share their work with the community and sell the products they created.

Sellers are able to open an independent store on FlippedNormals and sell their digital products directly to customers

Project architecture

  • Ruby on Rails on the backend
  • React.js on the frontend
  • Next.js framework for server-side rendering
  • PostgreSQL as Database
  • Rspec for testing
  • Heroku & AWS for hosting
  • Mailchimp for emails
  • Stripe, Paypal for payments
  • AWS S3 for store images and video files
  • Redis & Sidekiq for background jobs and cache
  • ElasticSearch for data indexing

Team composition: 
2 RoR Engineers, 2 Frontend Developers, Markup Developer, PM, QA

Zones of responsibility

  • Translate business requirements into technical specifications
  • Implement new backend features and improvements
  • Deliver well-structured, unit tested and performant Ruby on Rails code
  • Work in an agile team

Required skills and experience

  • Experience with building REST API on Rails
  • Experience in integrating Third-Party APIs
  • Idiomatic solid Ruby on Rails knowledge and practice required
  • Strong judgment in the election of gems, dependencies, and data stores
  • Understanding of web-app performance fundamentals and related dev tools
  • Deep understanding of OOP principles and design patterns
  • Extensive search engine experience (preferably Elasticsearch)
  • Knowledge of web technologies: HTML5, Javascript, REST, JSON
  • Practices Test-Driven Development (preferably RSpec)
  • Proficient at debugging complex problems
  • Upper-Intermediate English level

Be a plus

  • Cloud server experience (AWS)
  • Experience in optimizing performance RoR applications
  • Experience with ReactJS


  • 2 steps to become a Syndicoder: Recruiter short intro talk, professional interview
  • A trial period is two months
  • The working schedule is flexible. You can work remotely or full remote
  • Fifteen vacation days, excluding holidays and weekends
  • Twenty sick days per year
  • Each employee has a fixed annual balance for sports, health care, or education
  • English lessons in groups
  • Office address: Sofievskaya 1/2a(Maidan Nezalezhnosti), Kyiv

Join now a Syndicode team!

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      Kyiv Sofiivska 1/2a, 01001, Kyiv, Ukraine
      Dnipro Hlinky 2, of. 1003, 49000, Dnipro, Ukraine
      Kharkiv Otakara Yarosha 22, 61000, Kharkiv, Ukraine