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Lead Javascript Developer in Barcelona


Est. Salary
40,000 - €50,000
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Job Description

Role location: Barcelona, Spain

Please note we are not currently able to provide Visa so applicants must hold a Visa for Spain or be European Nationals.

The project

Polymatica is a Data Science and Visual Analytics platform with embedded intelligence delivering results and insights at incredible scale and speed using the latest technologies (OLAP cubes, Data Mining, In-Memory, CUDA).

We are now building a new interface for Polymatica, designed to enable business users to maximise value from their data to drive effective decision making in a simple and effortless way using the latest UI frameworks and libraries and pushing the boundaries of Big Data Software Interfaces. 

The role

We are looking for a Lead Javascript Developer with an interest in Data Driven interfaces and keen to grow in the Big Data and BI tools sector, to join our new Interface team at the heart of Barcelona tech scene, contributing to initial ideas, technologies choices, experimentations and working closely with an expert team of designers and other engineers on the frontend of the platform.

You will have the opportunity to grow within the company and see your ideas take shape in a highly innovative environment. We work with machine learning and big data and are looking for a strong candidate with passion for trying new things and continuous learning.



  • 7+ years experience in a javascript/frontend development role
  • Fluent English
  • Deep knowledge of client and server side Javascript – Angular, Redux, Node.js
  • Solid experience with client side web applications – HTML5, CSS3, AJAX and RESTful APIs
  • Familiarity with Highcharts, D3.js
  • Using pull requests, code reviews and unit testing is a natural part of your work process
  • Knowledge of Docker and experience with cloud platforms like AWS and Heroku
  • Experience of continuous deployment and integration and unit tests
  • Latest ECMAScript standard
  • Experience with Git
  • Ability to learn new tools and frameworks as needed
  • Experience mentoring and managing junior devdelopers a plus
  • Willingness to take ownership of components or services
  • Experience of front-end build process: Webpack oriented code transpiling and minification


Who we are looking for

  • You have genuine interest in delivering products to end-users
  • You like working with product owners and designers to prioritise and refine features.
  • You want to be involved in a full spectrum of front end engineering – new features, new applications, support experimentation, localisation & customisation
  • You value effective and proactive communication and have good spoken and written English
  • You enjoy or are interested in working in a distributed organization, interfacing daily with colleagues in other countries and locations


Our values

  • We try to learn new things every day, improve our skills and to spend our time where we are sure it delivers actual business value
  • We value tests and clear code over documentation
  • We are more worried about shipping too late than too early


About Polymatica

  • Big Data

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