Senior Ruby / Rails Back End Developer for eCommerce App

Looking for bright developers for a long term (preferably few years) to join our team of developers working on a first of its kind PIM (Product Information Management) platform designed specifically for the eCommerce industry! Requirements: - Strong Ruby skills (not only Rails) - Experience with Rspec, BDD, TDD, and units tests - Minimum of 4 years experience as a back end Ruby developer - Must work a minimum of 20 hrs per week - Must commit to work minimum 3 consecutive hours per day (Monday-Friday) - Experience developing REST APIs Good to have: - Familiarity with eCommerce, APIs such as eBay, Amazon, Magento, ChannelAdvisor, Demandware (SFCC), Hybris, ATG, Shopify, IBM Websphere, PayPal, etc'... - Experience with GraphQL - Experience with search technologies (ElasticSearch, Endeca, Splunk, Lucene, Solr, Algolia, etc'...) - Experience with payment processing This is a great opportunity for developers looking to focus on advancing their career as back end developers. You will be focusing on back end development only! We already have a front end team using Vue.js (similar to Angular and React just more modern), team of DevOps (you'll love them), software tester, and a UX designer. Please include your GitHub account, or any other relevant material with your application. If you don't have much to show in your public repositories and still think you're a good fit - no problem... we can give you a short task instead. Our stack / tools: Dockers, Linux, GitLab, Jira, Zabbix, Vue.js, Ruby, Confluence, Slack, Vuex, Vue-CLI, Postgresql, and few others...