Data Engineer - Ingeniero de Datos

Looking to work in an international company focused on the biggest IT companies with more than 45 different nationalities & languages where collaboration and innovative ideas are key to driving future success?

BNZSA is looking for a Data Engineer to join our Data Team. The hire will be responsible for optimizing our data and data pipeline architecture, taking care of improving data flow and collection for cross functional teams.

The Data Engineer will sit in the Data Science team and support the data collection, manipulation and analysis cross.
The Data Engineer will support the re-design of internal processes and might be involved in the automation of tasks for the operations team.

They must be comfortable supporting the data needs of multiple teams, systems and products.

Main responsibilities

· Work within the data science team and very closely with our Data Scientists to support greater functionality in our data systems and models;
· Identify, design, and implement internal process improvements: automating manual processes, optimizing data delivery, etc;
· Develop, test and maintain optimal data pipeline architectures (such as large-scale processing systems) and ensure that these meet business requirements;
· Assemble large, complex data sets leveraging internal and external data sources;
· Build or support the infrastructure required for optimal ETL from a wide variety of data sources using appropriate technologies.
· Understand and address data security issues.

Required Skills

We are looking for a candidate with education in Computer Science, Statistics, Informatics, Information Systems or another quantitative field.

They should also have working experience using the following software/tools:

· Relational SQL and NoSQL databases: Postgres, Google BigQuery, MongoDB, etc.
· AWS cloud services (EC2, EMR, RDS, Redshift) and/or Google Cloud Services;
· Scripting languages: Python, Java, C++, Scala, etc.
· Big data tools: Hadoop, Spark, Kafka, etc.
· Good knowledge of software architecture design for larger scale scripts;
· Time management and organizational skills: the candidate will have to be able to scope projects and pro-actively understand projects opportunities;
· Ability to produce documentation;
· Experience supporting and working with cross-functional teams in a dynamic environment, preferably in Media;
· Microsoft Excel (some knowledge or previous experience of VBA is also a plus)

Additional desired skills:

· Ability to analyse and gain insights from data;
· Interest in Data Visualization;
· An understanding of machine learning and statistical modelling techniques;

Additional requirements

· Advanced Spanish & English
· The place of residence must be located in the Madrid Region (Comunidad de Madrid)
· Able to work legally in Spain (full-time)

Monday to Thursday:
08:00h – 17:00h (1-hour lunch break)

08:00h – 14:00h

  • Permanent contract
  • Possibility of working from home in Madrid with corporate IT equipment
  • Internal training provided by the company
  • Good working atmosphere – people from all over the world
  • Free language courses: Spanish, French and English
  • Free cooking, Yoga, and fitness courses + access to a company physiotherapist
  • Opportunities for advancement within the company
  • Free access to Learning platform (Skillsoft’s Percipio)
  • Free breakfast before work
  • Barbecue on Friday afternoon

26.000€ - 33.000€ /year

Apply for this position

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See a job you like? Let’s go! Send us your CV and our recruitment team will review it. Don’t worry if you don’t have experience in IT or Sales. We look for people who are ambitious and determined to learn!


If our recruitment team see you as a match for what we’re looking for, you’ll be invited to interview! This will be a phone screening with a recruiter, an interview either in person in our Madrid office or via Teams, a short assessment, and a call with the Team Leader of the position you applied for.


Once you rock the interview process and show you have what it takes to be a Rocker, we will send you an offer and you’ll be ready to join the band! You’ll join a group of new rockers who you will complete our onboarding process with.
MEET the



Head of Recruitment
A BNZSA veteran, David started with us in 2015. Originally working for the French, Spanish and English-speaking markets, David now heads up our Recruitment and Talent Acquisition team leading the search for new Rockers!


Recruiter DACH and Nordics
Tuomas, who comes from Finland, joined our German team in 2020. After rocking the phone, he joined the recruitment team as a Junior Recruiter in 2021. Tuomas’ goal is to recruit for our DACH and Nordic teams!


Junior Recruiter 
Hugo is the most recent addition to our Recruitment team. Originally from Belgium, Hugo had great success on the French team, now he’s looking for the next rockers for our French, UK, US, and Dutch teams!
Have a question? Get in touch with the guys or send an email to
Want to join the band but don’t see a role that’s the right fit for you?
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