Back-end Developer - JavaScript / Node.js / Typescript en Barcelona

We are seeking a senior Javascript / Node.js / Typescript developer with excellent technical understanding of these domains, at least several years of experience are required. The job is a remote full time position working on various Microservices written in mostly JS (Node.js, Angular.js) and Typescript.

Technical Requirements:

• Excellent and proven knowledge of Javascript / Node.js / Typescript
• Good knowledge of the following technologies :
-- Redshift
-- Sequelize / SQL
-- Docker
• Proficiency in Git, JIRA and Teamcity are a plus
• 4+ years in a production environment a plus

Responsibilities:

• Set Up, configure maintain and enhance proper infrastructure to support
-- Data analytics environment
-- Campaign management system
• Maintain and enhance large scale API system
• Code REST interfaces to support various internal / external requests
• Code Javascript / Node.js / Typescript based microservices
• Code Unit / Integration tests to allow for embedding in Continuous integration service
• Drive feature engineering and experimentation to improve performance of our various algorithms
• Evaluate the technical tradeoffs of every decision