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Senior Backend Developer

Acid Tango S.L.

Madrid, España

Sueldo: 42.000 - 48.000 euros/año


The position

We are looking for a backend senior developer. It’s required experience in managing large data repositories and complex architectural systems. He will manage a project with a high R&D needs and an actual team in place.

About AcidTango

We are a technology company with a focus on online applications. We use Ruby on Rails and follow an agile development approach using methodologies such as TDD, Scrum, CI Testing. Always trying to apply the best practices.

AcidTango is a team of people looking forward to create incredible products and learn new things every step of the way. We like what we do and especially we love technology and disruptive ideas. The candidate is going to join a proactive and passionate team.

Mandatory requirements

  • +5 Years of experience in software development
  • Back-end: significant experience with Ruby on Rails and knowledge of what its strengths and weaknesses are
  • Databases: solid understanding of SQL and have good working knowledge of PostgreSQL and more unconventional databases (Redis, MongoDB)
  • Infrastructure: Experience with virtualization and cloud deployment using AWS (Cloudformation, RDS, EC2, S3, Lambda, ...)
  • General: experience using Git and the command line. Knowledge in Client-server, MVC, REST and micro-service architectures
  • DevOps: solid knowledge on Linux environments and the command line
  • Infrastructure: Container oriented architectures (Docker), container orchestration (Rancher, Kubernetes)

Interesting knowledge (any these would be a plus)

  • CI (Travis or Jenkins)
  • Api gateway experience (Kong)
  • Knowledge on scripting languages as Javascript and Node.js framework
  • Experience with search engines such as Elasticsearch

What are the advantages of this position?

  • Projects where you will be learning every day
  • Work for both national and international clients
  • A Macbook or PC laptop for you to work with
  • Well localized office in the city center (La Latina) Madrid
  • Fresh fruit, healthy snacs and drinks
  • Flexible working hours
  • Possibility to work remotely some days


  • A salary between 42.000 - 48.000 Euros per year
  • 1000 euros per year to spend in your personal education

We’re looking forward to seeing your resume and we really hope you can join our team


aws git javascript mongodb node.js redis Ruby SQL UX

Publicado por: AcidTango