Associate Ruby on Rails Developer

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Job ID: 4668050004

Bulgaria, Georgia, Hungary, Lithuania, Poland, Uzbekistan - Any location

  • Bulgaria
  • Georgia
  • Hungary
  • Lithuania
  • Poland
  • Uzbekistan
  • Anywhere

We are looking for an Associate/Middle Ruby on Rails Developer.  Do you like writing mean and clean Ruby code? Come join our team and help us build amazing things! We’re looking for someone with a passion for programming and writing beautiful code. You will join a team of exceptional developers working in a fast-paced environment to deliver world-class software.

Work at Exadel – Who We Are: 
Since 1998, Exadel has been engineering its own software products and custom software for clients of all sizes. Headquartered in Walnut Creek, California, Exadel currently has 2500+ employees in development centers across America, Europe, and Asia. Our people drive Exadel’s success, and they are at the core of our values, so Exadel is a people-first cultured company.
About Our Customer:
The customer provides products for mobile app solutions, effortless payment, paratransit, business travel, and advertising that reaches captive audiences of millions and traces its history of success back to 1992. They are creating a comprehensive mobility platform for operators to efficiently manage their vehicles and drivers, regulators to be informed and establish guidelines, service providers to deliver sustainable, future-proof solutions, and riders to have an effortless transit experience.
About Our Project:
The project is a taxi ordering service. The user can hail a taxi, monitor its arrival, pay for a ride, and see their own trip history. The system contains the following components:

  • ride server (all data processing)
  • payment server (PCI DSS-compliant) which performs a transaction with the passenger’s digital wallet and payment gateways
  • mobile application (hail taxi, geocoding, map, payments)
  • taxi terminal (third party)

The project includes integration with third-party services, including PayPal, MasterPass, Stripe, and Twilio.


  • Knowledge of Ruby on Rails (1+ years of experience)
  • Knowledge of relational databases including MySQL, PostgreSQL
  • Background with delayed asynchronous job execution (RabbitMQ)
  • Experience working with and developing REST API
  • Knowledge and understanding of object-oriented programming
  • Familiarity with version control systems (GIT)
  • Good communications skills

Nice to have:

  • Experience with AWS and NoSQL databases like DynamoDB
  • Acquaintance with in-memory databases (Memcached, Redis)
  • A desire to improve and expand existing skills

English level:


  • Back-end development using Ruby on Rails, AWS, MySQL, PostgreSQL, RabbitMQ
  • Building of REST API
  • Integration with taxi service dispatch systems and other third party services
  • Ability to work with a team
  • Participation in meetings with the customer

Advantages of Working with Exadel:

  • You can build your expertise with our Client Engagement team, who provide assistance with existing and potential projects
  • You can join any Exadel Community or create your own to communicate with like-minded colleagues
  • You can participate in continuing education as a mentor or speaker. You will not only be emotionally but also financially rewarded for mentoring
  • You can take part in internal and external meetups as a speaker or listener. We support you in broadening your horizons and encourage knowledge sharing for all of our employees
  • You can learn English with the support of native speakers
  • You can take part in cultural, sporting, charity, and entertainment events
  • Working at Exadel means always upgrading your skills and proficiency, so we provide plenty of opportunities for professional development. If you’re looking for a challenge that will lead you to the next level of your career, you’ve found the right place 
  • We work hard to ensure honest and open relations between employees and leadership, so our offices are friendly environments


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