Senior Ruby on Rails Developer

  • Ruby on Rails
  • MySQL
  • Postgresql
  • RabbitMQ
  • Sidekiq
  • Resque
  • Sneakers
  • Git
  • TDD
  • Docker
  • CI/CD
  • Linux
  • Bash
ABOUT the job

About Our Project:
The project is a taxi ordering service. The user can hail a taxi and 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 (3rd party)

The project includes integration with 3rd party services, including PayPal, MasterPass, Stripe, and Twillio.

Job Location

Remote, (Bulgaria, Georgia, Poland, Uzbekistan, Hungary, Lithuania)


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 the Americas, Europe, and Asia. Our people drive Exadel’s success, and they are at the core of our values. 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, for regulators to be informed and establish guidelines, for service providers to deliver sustainable, future-proof solutions, and for riders to have an effortless transit experience.

ABOUT the candidate


Build, deploy, and maintain the application using Ruby on Rails, AWS, MySQL, PostgreSQL, and RabbitMQ
Follow best practices (test-driven development, continuous integration, and code standards)
Integrate with dispatch systems of taxi service providers and other third party services
Contribute in all phases of the development lifecycle
Think tactically and strategically
Participate in meetings with the customer


3+ years of work experience as a Ruby on Rails developer
Solid knowledge of relational databases including MySQL, PostgreSQL
Strong background with delayed asynchronous job execution (RabbitMQ, Sidekiq, Resque, etc. in addition to Sneakers)
Experience working with and developing REST API
Experience in developing highly-interactive applications
Good knowledge and understanding of object-oriented programming
Good architectural sense and a passion for high-quality code
Desire to develop new skills and improve existing skills
Familiarity with version control systems (GIT)
Experience with high load

Nice to have:
Experience with Kubernetes / GKE
Knowledge of rack-based app servers
Practice with AWS and NoSQL databases, like DynamoDB
Acquaintance with in-memory databases (Memcached, Redis)

Strong communication skills
Experience with TDD (MiniTest, Rspec), Docker, CI/CD, Linux, and Bash

Nice To Have Skills
  • Kubernetes
  • GKE
  • AWS
  • NoSQL
  • DynamoDB
  • Memcached
  • Redis
  • Nginx

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



This is a full-time job opportunity, where you’d be working on projects lasting 12 months on average.  At the end of the period, you will be able to continue being a Pro Consultant by getting assigned to another exciting project. The continuity of your permanent employment with all social and additional benefits included is guaranteed by Motion Software.

Senior Software Engineer
Motion Software provides a unique work environment that allows for remote/hybrid working, providing the best of both worlds. Projects that I've worked on are both exciting and challenging and have helped me grow both professionally and personally. The company frequently organizes team-building events and creates a fun and energetic work environment that fosters camaraderie and collaboration among employees. I like that people in Motion Software are fun, easy-going and very active. Working in Motion Software feels a lot more like a cool gathering with your friends, than just a job.
Full-Stack Developer
Be able to work from any point in the world. Friendly and communicative team members and crew. Be able to speak freely and open to anyone from the company. Helpful and understanding staff and members.
Remote Work Advisor
Fully remote, flex hours, great benefits and community around the company. Great working place for people with different lifestyles, mum - friendly and with a great vibe.




Motion Software starts operating under the name of its parent company Exadel, taking effect on July 15th.

More Info

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