Junior Data Engineer (m/w/d)

  • Sonnen
  • Berlin, Germany
  • 16/12/2020
Full time Data Science Data Engineering Data Analytics Big Data Data Management Statistics

Job Description

At sonnen, we believe clean, affordable, and reliable energy for all is one of the greatest challenges of our time. With over 40,000 sonnenBatterie-systems installed worldwide, sonnen is a proven global leader in intelligent energy management solutions providing greater energy control for residential customers through increased solar self-consumption, reduced peak energy usage and reliable backup power during outages – contributing to a cleaner and more reliable energy future.

sonnen has won several awards for its energy innovations and sonnenBatterie products, including Fast Company’s Top 10 Most Innovative Companies in Energy, the 2017 Zayed Energy Innovation Award, MIT’s Technology Review’s 50 Smartest Companies in 2016, Global Cleantech 100 for 2015-2017, Greentech Media’s 2016 Grid Edge Award for innovation, and Cleantech’s 2015 Company of the Year Award in both Israel and Europe.

We are seeking a Data Engineer that will be engaged in architecting and designing various data structures and pipelines in sonnen. As Data engineer you will be part of the established Business Intelligence unit in sonnen and you will have a profound impact in further designing our cloud-based data lake and ensure that single source of truth concept is built and maintained. In this role you will also have an opportunity to impact how common reporting data repository is shaped where a combination of various data is needed to create a large picture of how sonnen’s business is performing on day to day basis.

Being part of a global company with the offices across continents will provide you with the unique experience in collaborating with the international team and design BI solutions that will have an impact on sonnen business world-wide.

Your responsibilities:

  • Design and Architect new data structures
  • Develop further our Data Lake and Data Warehouse cloud-based platforms
  • Interpret data trends and patterns with the aim to understand key metrics that affect sonnen business
  • Prepare data for prescriptive and predictive modelling
  • Build algorithms and data prototypes
  • Develop and maintain datasets and data marts
  • Improve Data integrity and consistency with the special focus on data quality
  • Perform complex data analysis
  • Asist in developing and maintaining data extraction and acquisition activities
  • Perform complex data modelling

Your Profile:

  • Have completed studies in Computer Science or MIS discipline or posses equivalent working experience
  • have at least 2 years of Experience in Data Engineer or data related role
  • Advanced SQL programming skills is something that you posses
  • Have a knowledge of SQL and non-SQL databases , as well as structural and non-structural data management
  • Posses a good knowledge of Python, R, and SQL.
  • Have knowledge of Tableau or Power BI is recommended but not mandatory
  • Posses Experience designing, building, and maintaining data processing systems
  • Are passionate about exploring different data sources such as Sales Force, SAP and various unstructured and structured data
  • In terms of designing data-related solutions you follow systematic-approach
  • Follow Data-Flow approach when designing and implementing data pipelines
  • Have experience in optimising complex queries for better performance