Data Engineer
one.com Copenhagen

Data Engineer for group.ONE

We are looking for a Data Engineer to help us to build a modern data stack for group.ONE. We believe that leveraging the vast amounts of data that we collect can provide our customers with a better experience as well as make better decisions around the company. As a Data Engineer, you will be a central player in the group's data organisation and given the responsibility to maintain and further develop our data platform.


What you will be working on

As a Data Engineer, some of your main tasks will include maintaining and building flows from various data sources, such as Hadoop, PostgreSQL, BigQuery, to our Snowflake data warehouse. You will work closely with the data team and a range of other stakeholders to develop data models and pipelines for research, reporting and machine learning.

Development and maintenance of pipelines

  • Maintain and monitor already developed pipelines, including writing scripts, schedules and CI/CD development
  • Introduce new data sources and align them to prevalent structures and architectures
  • Identify opportunities for new data acquisition, internally and externally
  • Ensure compliance to group.ONE GDPR practice
  • Support machine learning initiatives by designing pipelines and perform basic feature engineering
  • Provide ready processes for quick implementation of acquired companies into group.ONE data platform

Data architecture and modelling

  • Design a group.ONE-aligned customer model used across all brands
  • Support BI developers in creating a coherent customer model and a framework for creating dashboards and reports
  • Support continuous development of overall data architecture and tools used

Data Documentation and discovery

  • Provide documentation on data sources, best practices as well as anonymisation methods
  • Provide documentation and version control of production code


What we are hoping you are

  • Curious about new Data Engineering trends and potential data sources. Be an advocate for best practices and continued learning
  • Intelligent and result-oriented, being able to structure work independently
  • Experience and/or interest in the open-source community and a confident Linux user
  • Communicative and value building strong relationships with colleagues and multiple stakeholders, and have the ability to explain complex topics in simple terms
  • Detail-oriented when needed. Being able to decide on the right level of details, e.g. knowing the difference between important data from less important, and important tasks from less important ones
  • Pragmatic, willing to use the best tool-for-the-job
  • Keep promises and maintain being a trusted business partner


Skills and qualifications wish list

  • Proficient in various SQL and NoSQL databases, such as PostgreSQL, Snowflake or Hadoop
  • Knowledge of various ETL techniques and frameworks including tools like DBT, Airflow, Greater Expectations and different CLI tools
  • You have a high level of scripting ability, i.e. in Bash or Python
  • You have a high level of version control methodologies and tools
  • Experience in data governance, role and user management
  • Solid understanding of Kubernetes and/or Docker
  • Experience with Machine Learning toolkits, including H2O, DataRobot, Tensorflow, Jupyter, MLflow or Kubeflow
  • Experience in consuming restful API


Become a part of group.ONE

Since its establishment in 2002, one.com has been in constant development and is today part of group.ONE, which is one of the leading group companies in Europe in the administration and sale of domains, web hotels, and email. We offer an international environment where we have a high level of flexibility. As a group, we have:

  • More than 2,800,000 registered domains
  • More than 1,400,000 customers in 149 countries
  • More than 550 employees with more than 40 different nationalities
  • English as a corporate language
  • 9 major brands well established in the European market


We offer

group.ONE is a growing company where employee satisfaction is highly prioritised. At one.com Copenhagen you can expect:

  • A full-time position with a dynamic compensation package
  • Health insurance and an annual health check
  • Pension plan
  • Healthy and variated lunch arrangement provided by Meyers Kitchen
  • A modern office environment at one of the best locations in Copenhagen right next to the Central Station
  • 5 special holidays in addition to your 5 weeks of vacation
  • Flexible working hours as well as great WFH options
  • Several annual social- and professional events both virtually and physically
  • A free website with domain and hosting, where you can choose your own domain name

Apply now - interviews will be conducted on an ongoing basis. For further questions regarding the position, you can send an email to Talent Acquisition Consultant Sigurd Rønne Christiansen at sigu@one.com.

Diversity and Inclusion

At group.ONE we are intentional about diversity, equality and creating an inclusive climate. We work not only across continents and countries, but also across gender expressions, generations, cultures, sexual orientations, religions, and perspectives.

Therefore, group.ONE is an equal opportunity workplace committed to equal employment opportunity regardless of race, color, ancestry, sex, national origin, sexual orientation, age, citizenship, marital status, disability or gender identity/ expression.

If you have a disability or special need that requires accommodation, please let us know in your application.

Career opportunities
Strong social life
Located near public transit
International environment