Senior Ruby on Rails Developer for

Kyiv, Amosova, Ukraine



On behalf of, Ciklum is looking for Senior Ruby on Rails Developer to join Kyiv team on full-time basis.

About Client:
Finding the right one to share your life with should be fun and meaningful. We believe by surfacing more meaningful connections between our users, we can help singles find not just anyone, but the right one. We’re one of the pioneers of online dating in Denmark and a household name. We’re growing and looking to expand internationally.

Our small team is currently based in Copenhagen and London and we’re hands-on with everything from research, product design, content and marketing, customer success and engineering and devops.

Why join us?

  • We’re in it for love: We want to enable all singles to find the special one to share their life with. From launching a new feature, defining an algorithm or doing a refactoring, you will have an enormous effect on a lot of people.
  • We’re here to stay: We’re one of the pioneers of online dating in Denmark and a household name. We’re profitable, growing and looking to expand internationally.
  • Tackle our most interesting and impactful problems: We’re a tiny team, constantly improving, finding effective solutions by working smarter.
  • Work with an exciting tech-stack: We use Rails, Elasticsearch, Redis, React, React Native, Redshift, CircleCI, CodeClimate, AWS Rekognition etc.


  • Build amazing new features with our product team – through brainstorming, research, maintenance and optimization.
  • Identify and improve critical areas in our existing code base with a focus on simplicity and improved performance, testability and security.
  • Contribute to technical architectural decisions concerning both our backend as well as auxiliary services such as indexing and relevancy scoring (Elasticsearch), caching tiers (Memcached & Redis), payment processing and deployment (AWS), marketing automation (Segment / and BI.


  • You have professional experience with:
    • Ruby on Rails – we’re on Rails 5.2 and soon Rails 6
    • Relational databases – we use MySQL on AWS RDS
    • SCMs – Git and GitHub
    • Integration and unit testing
  • You have experience with:
    • CI/CD – we use CircleCI and CodeClimate

Personal skills

  • You’re a problem solver, motivated by crafting simple and effective solutions.
  • You keep things simple.
  • You care about the business implications of what you do. You don’t strive just after building something new and shiny – you understand the balance between craft, agility and bottom line.
  • You’re excellent at communicating your ideas and beliefs – and understanding others’. You’re pragmatic and love to collaborate.
  • You’re motivated by our mission to connect people and bring love to their life

What's in it for you

  • An exciting position where your skills make a difference every day
  • A heartwarming and inspiring workspace with special importance to well-being and work/life-balance
  • Freedom and room to expand your skill set
  • Competitive salary and benefits
  • Lots of fun!