Codest Ltd. Company No. 12590542, VAT number: GB363431020

Senior Data Engineer

Poland full-time Senior PLN20,000 - PLN28,000
full-time Senior level Technology & IT Salary listed Curated
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About the role

🌍 Hello World!
We are The Codest - International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in β€œCustomers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services.
Our expertise centers on web development, cloud engineering, DevOps and quality. After many years of developing our own product - Yieldbird, which was honored as a laureate of the prestigious Top25 Deloitte awards, we arrived at our mission: to help tech companies build impactful product and scale their IT teams through boosting IT delivery performance. Through our extensive experience with product development challenges, we have become experts in building digital products and scaling IT teams.
But our journey does not end here - we want to continue our growth. If you’re goal-driven and looking for new opportunities, join our team! What awaits you is an enriching and collaborative environment that fosters your growth at every step.
Project description:
Our client is one of the largest e-commerce platforms in Europe, used by millions of users every day. The company connects sellers - from small businesses to global brands - with customers, offering a vast product selection, fast delivery, and a well-crafted shopping experience.
The role:

Development and automation of tools in the Data Platform area

Supporting the Client's product, technical, and analytical teams in building products, including technology solutions and data-driven services

Assisting the Client's technical and analytical teams in resolving issues reported through organizational communication channels (Slack, email, OpsGenie)

Requirements
At least 5 years of commercial experience in data engineering.

Code in Python (65% of tasks in the team) and JVM languages (Java, Kotlin, Scala; 35%).

Know about Google Cloud Platform (BigQuery, Composer, Dataproc, Cloud Run) or other public cloud providers.

Have a deep SQL and PySpark knowledge.

Work leveraging good practices of software development: TDD, Clean Code, CI/CD, etc.

Navigate efficiently in a Linux/Unix environment.

Have experience with Docker.

Work with git or other version control system.

Interested in emerging technologies like Generative AI and its applications.

Possess team-working skills and a positive attitude.

Eager for personal development, keeping their knowledge up-to-date, and taking an active part in the development of current solutions.

English level min. B2+.

Nice to have:

Know Apache Beam and Google Dataflow

Know Terraform or other IaaC tools

Have experience in Spark or PySpark - not necessarily in a Hadoop environment

Our offer:

20–28k PLN on a B2B contract

Access to the Worksmile platform

A work environment that values growth and innovation - you bring the ideas, and we want to hear them πŸ˜‰

Recruitment process:

30-minute screen with our recruiter, Justyna

1h technical interview

1h interview with the client

Offer

Questions, insights? Feel free to reach out to our recruiting team:

In the meantime, feel free to visit our website where you can find key facts about us.
Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Senior
Technology & IT Human Resources MySQL Python Remote Collaboration SQL Senior level

Likely questions

  1. Tell us about work you have done that is close to the Senior Data Engineer role.
  2. How would you approach your first 30 days at Codest Ltd. Company No. 12590542, VAT number: GB363431020?
  3. Which of Human Resources, MySQL and Python have you used recently, and what did it help you achieve?
  4. How have you led people, improved a process, or made a hard decision in a previous role?
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Human Resources, MySQL and Python.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Senior Data Engineer role because I can bring practical experience in Human Resources, MySQL and Python, learn the team quickly, and contribute to the outcomes Codest Ltd. Company No. 12590542, VAT number: GB363431020 needs from this hire.

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