Data Engineer (f/m/d)

Location: Berlin

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JOIN represents the future of recruiting, empowering you to more efficiently find and hire your dream candidates when you need them. With key features such as job page creation, automatic cross channel multi-posting as well as applicant management, JOIN accelerates and simplifies the recruiting process, whilst reducing costs at the same time.

With thousands of corporate clients, hundred thousands of candidates as well as substantial funding, JOIN is in an exceptional position to conquer the HR Tech world by storm.

You are the only missing piece in the puzzle:
As a Data Engineer at, you will shape the way companies attract qualified talent.


  • Providing and iterating the data infrastructure for all analytical purposes (business intelligence and data science)
  • Implementing processes and systems to validate and monitor data quality, ensuring data integrity and consistency
  • Building and maintaining scalable pipelines, including data modeling from unordered/denormalized sources
  • Writing unit/integration tests, contributing to engineering wiki, and documenting work
  • Optimising performance of SQL based pipelines, models, applying indexing and partitioning techniques
  • Working closely with all business units and engineering teams to develop a strategy for long term analytical data architecture

  • 3 + Previous experience as Data Engineer or DBA
  • Proficiency with SQL dialects and complex, analytical queries
  • Previous experience working with data pipeline tools such as dbt, Airflow or AWS Glue
  • Experience in building and maintaining a scalable analytical database architecture and pipelines
  • Basic understanding of mathematics
Nice to have:
  • Data-centric or generic computer science education
  • Python skills above average user (able to accomplish complex data aggregation and transformation with multiple sources and data structures)
  • Experience working with external data sources over HTTP (Restful API)
  • Experience parsing advanced strings like logs, event data, application debug output and normalizing it for the DWH
  • Experience in data modeling related to SaaS
  • Experience with GCP, BigQuery
  • Unix command line and Bash experience
Soft skills:
  • Communicative (ability to explain complex processes to a non-expert audience)
  • Critically challenging data requests from other teams (Growth, BI, Product & Development
  • Working autonomously, long-sighted & diligent
  • Hands-on and pragmatic (Prioritize delivering value to the end-users in a lean way over tinkering with technology)
  • Flexibility: Willing to work with existing setup (using our BigQuery, dbt setup and not shifting the stack immediately)
  • Interest in how data can create business/customer value (focusing on getting the job done and validating assumptions fast)

  • JOIN is an equal career opportunity no matter your gender, identity, race, or religion
  • We provide relocation assistance and visa sponsorship for the best candidates
  • We are a compact team that focuses on personal and professional growth and help each other to achieve that on a daily basis
  • We are a team with high levels of ownership, accountability, and team play with great support and responsiveness
  • We solve real-life problems of our customers and see the immediate result of it
  • We believe in automation: We automate anything and everything that can improve our productivity and focus
  • We write our own tests and we test our own solutions which help us learn more and understand our clients better
  • We value transparency, close collaboration, and a slight amount of chaos in our work because it makes us faster and more creative
Hiring shouldn't be difficult and time-consuming, so we decided to build from the ground up to bring recruiting to the next level. We have scaled rapidly, attracting thousands of clients both in Europe and worldwide, with hundreds of thousands of candidates trusting our product. All this within a year of inception, making JOIN the fastest growing HR Tech startup on the market.

Are you ready to take the digital recruitment world by storm?!

*** Mention DataYoshi when applying ***

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