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Back-end Developer

At Holaluz (Permanent), in Barcelona, Spain

Expires at : 2020-06-02

Created to change the world, Holaluz leads the way in the transformation of the Spanish Energy Sector with a clear investment in self-consumption and electric mobility.

And with a not-negotiable goal : to put the customer at the center of their decisions in order to build a long-term relationship based on trust.

We sell electricity that is from 100% renewable sources and offer savings with personalized products that, thanks to technology, can be tailored to the power needs of each customer.

As a platform for energy exchange, we will make it possible for users who are producing more energy than they need to be able to feed it back into our system, allowing other users to reserve energy .

We are a team of people which the main goal is to change the world. Ambition and enthusiasm are fundamental when it comes to having the positive attitude that lets us change our surroundings.

At Holaluz we don’t only sell energy. Our main challenge is to create a system that allows a new standard of living for people, by supporting the rational use of energy, storage and self-production.

At Holaluz we are looking for a Java Engineer to help us evolve our ERP. The ERP is a very important part of Holaluz as critical processes are managed from there, such as the ATR (light commercialization switching process), billing or all accounting and finance processes.

If you are looking for a large project to develop and grow as a professional we are looking for you.

At the technology level, we develop with Java8 and SQL Server as a database and we have all our infrastructure in AWS. We use several Amazon Web Services products from the ERP like S3, SQS, etc.

and we have automated the Windows Server 2012 infrastructure where the ERP runs with tools like Powershell, Ansible, Packer and Terraform.

We are not going to lie to you, there is a lot of work to do and a lot of code to fix / improve / optimize, but we want to make a leap in quality with engineers hungry and wanting to do things right.

Main requirements

  • You have at least 3 years of experience in modern development methodologies (Hexagonal Architecture, Testing, Pair Programming, Extreme Programming ...)
  • You master a Back-end programming language like PHP, Java or Python, but we also find it very interesting if you master other things like Go, Rust or Erlang
  • You have skills and knowledge of relational databases
  • You speak fluently in Spanish and get along with English
  • Nice to have

  • Interest in DevOps culture
  • Experience with Git
  • Experience identifying and solving Code Smells, as well as experience in methodologies such as TDD, Design Patterns and Refactoring to achieve a simple design
  • Knowledge in web services APIs, mainly REST
  • NoSQL databases (Redis, ElasticSearch, DynamoDB ...)
  • Queue systems (SQS, RabbitMQ ...)
  • Experience in data processing libraries such as Pandas or NumPy
  • Experience in Big Data frameworks (Dask, Spark ...)
  • Server configuration with Ansible
  • AWS automation with Packer and Terraform
  • Log aggregation in ELK
  • Benefits & Perks

  • Join a company where people come first, with an unbeatable work environment and great talent where we live our values
  • Flexible schedule, as a result of our mentality for responsibility and autonomy
  • Nursery to help integrate life and work for new parents. "Casal" those weeks of the year in which combining children holidays and work becomes a little more complicated
  • English and Catalan classes in the office
  • Continuous learning with internal training, courses, conference attendance
  • Subscription with very small fee in G4L, which includes yoga and crossfit classes in the office
  • Subscription with very reduced share of medical mutual
  • Organic fruit every day
  • Professional development without limits in an exciting company and a team with constant challenges
  • Work focused on results, using agile methodologies, while enjoying the flexibility and valuing the sense of responsibility and enhancing the culture of feedback
  • The opportunity to contribute to the growth of a company that wants to change the world
  • Ya que20/05/2020

    Cerrar28/08/2020

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