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We are looking for a Middle Ruby on Rails Developer for one of our good clients.

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.

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.

Project Team:
1 Team Lead, 3 UI Developers, 6 Back-End Developers, 4 Mobile Developers, 4 QA, and 1 Designer.

Responsibilities:

● 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

Requirements:

● Knowledge of Ruby on Rails (2+ years of experience)
● Knowledge of relational databases including MySQL, PostgreSQL
● Background on 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

Additional information:

Project duration: open-ended;

Location: Except Ukraine, Belarus, Russia;

English: intermediate+;

Type of Work: contractor;

Salary: starting from 3500 EUR (gross).