Senior Ruby Engineer

Senior level • Full-time • On-site • Cluj-Napoca

Job Summary

About our partner

Our partner provides founder-friendly capital to digital entrepreneurs across Europe. The company is looking for ambitious people that want to shape the future of revenue-based lending in Europe. You should be passionate about your work and enjoy a fast-paced international working environment. The work you do will be important, helping shape the future of an early-stage company.

The Team

Developers at our partner are fundamental players in the strategy, conception, and design of beautiful and meaningful ideas and products. Bringing exceptional creative thought and well-crafted execution, the designers shape innovative brand experiences and possess broad, up-to-date knowledge of the most innovative communication trends. They pride themselves on making each project as cool as it can be, and they throw in a bunch of fun while doing it.

What you'll get to do

Not only deliver results today but also enable the teams building the App to keep delivering at speed in the future as the product evolves and grows.

Face and solve a new challenge every day, working for a market-disrupting company

Relentlessly improve the quality of the software. Drive design and implementation with availability, testability, and low operational cost while continuously iterating on the development process to support new functionality and business expansion.


  • Design, build and maintain efficient, reusable, and reliable Ruby code
  • Ensure the best possible performance, quality, and responsiveness of the applications
  • Identify bottlenecks and bugs and devise solutions to these problems
  • Help maintain code quality, organization, and automatization.


  • Profound understanding of Ruby and OOP in general
  • Rails
  • Git / Github / Git flow
  • Solid understanding of REST
  • Familiarity with other Ruby web frameworks, e.g. Sinatra, Grape, etc.
  • AWS (ECS, EC2, Lambda, Secrets Manager, etc.)
  • Experience with OODB
  • Experience with scaled applications
  • Understanding of the Service Oriented Architecture approach and microservices
  • DevOps (understanding production deployment, continuous integration, etc.)
  • API creation experience (for SPAs, mobile, other servers)
  • Practical and security-oriented approach

Nice to have

  • Other back-end languages and frameworks, e.g. Python, JavaScript, node, etc.
  • Ability to write concise and effective tests
  • Gems published / Open Source involvement

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