Mid/Senior Data Engineer @

5 days ago

Remote Wroclaw Warszawa, Czech Republic Tooploox Full time

Experience and skills you need to join us:

  • At least 3 years of commercial experience as a Data Engineer.
  • Strong knowledge of Python and SQL.
  • Solid experience working with graph and vector databases.
  • Proven experience with HDFS storage.
  • Deep experience with Apache Spark (especially PySpark).
  • Familiarity with distributed computing, data warehousing, and performance optimization techniques.
  • Strong problem-solving and communication skills.
  • Fluency in Polish and English.

It would be great if you also have:

  • Knowledge of Java.
  • Basic understanding of Generative AI and MCP Servers.
  • Experience with Apache Gremlin.
  • Past experience with backend software engineering.

We're Tooploox , a Solvd Inc. company. 

We create AI-powered products and services that make a real difference. Our team of nearly 200 specialists - including a 40+ person R&D team with many PhDs - has pioneered AI solutions across industries from healthcare to e-commerce. We've published research in top-tier venues like NeurIPS and ICML, while delivering real-world applications that help our clients innovate and scale.

Now, as part of Solvd Inc., we're building on our strengths with even greater global reach and resources — while keeping the creative, human-scale culture that defines us here in Poland. If you want to work on meaningful AI projects, with space to grow and the freedom to innovate, you'll feel right at home.

What we offer:
  •  26 days of annual service break.
  •  An additional pool of 14 days per year paid at 80% of your standard rate.
  •  English lessons once a week or more frequently, depending on your needs.
  •  Access to a curated library of books and e-books, regularly updated based on employee suggestions, plus recurring knowledge-sharing initiatives.
  •  Flexible hours and the option to work 100% remotely or from one of our offices in Wrocław or Warsaw.
  •  Top-quality equipment – we provide MacBooks, new monitors, noise-cancelling headphones, and any additional gear you may need to work comfortably.
  •  Group insurance with Warta and private medical care with Enel-Med for just 1 PLN.
  •  Mental health support – we offer access to a psychologist with fully anonymous consultations if needed.
  •  Multisport card (we cover most of the cost – your contribution is currently no more than 45 PLN, or less depending on the selected package), access to gyms in our Wrocław and Warsaw offices, and sports initiatives like the annual Bike 2 Work Challenge.
  • We host team lunches, webinars, game nights, and social events. We enjoy the occasional barbecue, dance party, time on the terrace, foosball, or PlayStation session.
,[Design, develop, and maintain scalable batch and streaming data pipelines., Work with Python to transform, process, and integrate data., Handle a mix of structured and unstructured data, including working with a vast array of database technologies (SQL, NoSQL, Graph, Vector)., Optimize performance across big data workflows, including tuning Spark jobs., Participate in graph and vector database migrations.] Requirements: Python, PySpark, SQL, NoSQL, HDFS, Apache Spark, Spark, Java, Gremlin Additionally: Sport subscription, Training budget, Private healthcare, Life & group insurance, Free coffee, Gym, Bike parking, Playroom, Shower, Free snacks, Free beverages, In-house trainings, Modern office, Startup atmosphere, No dress code.

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