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Vacancy in Poland: Ruby on Rails Back-End Developer Salary USD5000 - USD6000/Month

We are looking for a Back-End Developer with 3+ years of experience (Ruby / Ruby on Rails).

Must be skills:

-Strong knowledge of Ruby / Ruby on Rails;
-Experience Nginx, Puma, Passenger;
-Experience with a high load systems;
-Experience in developing REST API;
-Experience with ActionCable;
-Experience with message brokers (RabbitMQ, Sidekiq);
-Experience with databases: MySQL, PostgreSQL, DynamoDB;
-Experience with AWS services (Route53, S3, EC2, LoadBalancer, ElasticBeanstalk, CloudFront, RDS, Lambda, etc.); Web console / CLI / SDK;
-Unix as a main prod env;
-Communicate in English as a primary language (B1+).

Would be a plus:

-Basic knowledge of NodeJS/Python;
-Basic knowledge of HTML 5, CSS3, JS + ReactJS;
-Experience with GraphQL (Apollo Client);
-Be passionate at least in one product domain - sports, big data, AI, gaming.

Our stack:

-Most of the projects build on the Ruby on Rails framework;
-Git, GitHub;
-Web servers: Puma, Passenger, Nginx;
-Core of frontend: ReactJS, HTML5, CSS3, vanilla JS, jQuery, CoffeeScript;
-The main frontend framework: ReactJS;
-Cloud Computing: AWS (Route53, S3, EC2, CloudFront, RDS, Lambda, etc.);
DB: MySQL, PostgreSQL, DynamoDB;
Optionally we use: Web Sockets, GraphQL, RabbitMQ, etc.

Our Methodology - Scrum


-Building new products from scratch, with the latest version of Ruby, Ruby on Rails, etc;
-Participation in DB structure designing;
-Development of REST APIs & GraphQL server side, backend side for ReactJS application;
-Implementation of data scraping modules and serverless microservices (sources: api, csv, excel, pdf, web pages, etc.);
-Setup and improvement of current AWS infrastructure;
-Bug fixing of existing components;
-Participation in tasks estimations;
-Communication with the team.

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