Senior Back End Engineer for Keywee
Kyiv, Gulliver
2 днів тому
source : Ciklum


On behalf of Keywee , Ciklum is looking for Senior Back End Developer to join Kyiv team on a full-time basis.

Keywee is looking for a Senior Back End Engineer to lead the development of mission-critical services and APIs. You will be taking full ownership of a system that directly affects the company’s success.

To achieve that, you will collaborate with our engineers, data scientists, Product Managers and Customer Success Managers in a dynamic agile environment.


  • Develop core business process in our Ruby on Rails backed web applications : Design and optimize DB layer (PostgreSQL, MySQL);
  • Enhance and refactor business logic layers; Design and expose external APIs to be consumed by multiple clients;
  • Design and build services to process, analyze, store big data event streams;
  • Help migrate existing code base and processes to the cloud;
  • We believe in end-to-end ownership for the full development lifecycle and strive to write code which is easy to test, debug and monitor.
  • Requirements

  • At least 5 years of experience in a production Web environment, including monitoring and performance tuning;
  • 4+ years of experience with Ruby or Python for a Linux environment;
  • Prior experience in owning scalable modern web architecture for a full life cycle : Design, Implementation, Testing and Monitoring.
  • Desirable

  • Experience working with both relational and non-relational databases;
  • Experience with AWS services;
  • Experience working in a continuous integration environment, container orchestration (Docker, Kubernetes).
  • Personal skills

  • A real passion for solving problems and delivering value;
  • Strive to write clean code, continuously refactor and improve existing code;
  • Working well autonomously and as part of a team;
  • Communicate effectively in English both verbally and written.
  • What's in it for you

  • Unique working environment where you communicate and work directly with client;
  • Variety of knowledge sharing, training and self-development opportunities;
  • Workstation configuration upon employee request;
  • Competitive salary;
  • State of the art, cool, centrally located offices with warm atmosphere which creates really good working conditions;
  • Friendly and trusted environment where all ideas are heard.
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