Senior Backend Engineer (RoR)

 Responsibilities:  
 Develop API for modern cross-platform responsible SPA from the ground up.   
Participate in design and planning discussions, contribute architecture ideas.   
Develop and test new user-facing features.   
Write highly scalable, reusable, and testable code.   
Optimize application for maximum speed and performance.   
Work in collaboration with other team members. 
 
Requirements:  
3+ years of back-end development experience in building large, complex, highly scalable web applications using Ruby on Rails framework.   
Solid understanding of Ruby syntax, its nuances, and core concepts. Ability to write clean and readable code.   
Experience with SQL or NoSQL database technologies (e.g. MySQL, ElasticSearch, CouchBase, Redis, etc.)   
Experience in OOP and MVC design and development patterns. Good understanding of data structures and design patterns.   
Experience building API’s, including authentication, cleanliness, and role-based access permissions.   
Knowledge of Agile principles, open-source ecosystem, Test Driven Development (TDD).   
Deep understanding of the HTTP protocol and networking.   
Knowledge or experience with Cloud computing technologies and environments (Amazon Web Services)   
Familiarity with concepts of RESTful.   
Comfortable with source version control software (Git).   
Knowledge and understanding of server-side architecture best practices.