Senior Data Engineer

The Codest; Poland; Hybrid; PLN 223,000 - 290,000; Full time

Benefits offered by this job

Worksmile platform

Job summary

The Codest is an international tech software company with hubs in Poland, delivering global IT solutions and projects. We seek a Data Platform Engineer to automate tooling and support data-driven products for a major European e-commerce client.

You will use Python and JVM languages, PySpark, and SQL in a Linux environment, with Docker, Git, CI/CD, and cloud platforms. English must be at least B2+, and a strong collaborative mindset is essential.

Qualifications

• At least 5 years of commercial experience in data engineering.
• Proficient in Python (approx. 65% of tasks) and JVM languages (Java, Kotlin, Scala; ~35%).
• Experience with Google Cloud Platform (BigQuery, Composer, Dataproc, Cloud Run) or other public clouds.
• Strong SQL and PySpark knowledge.
• Familiar with software engineering best practices: TDD, Clean Code, CI/CD.
• Proficient in Linux/Unix environments.
• Experience with Docker and Git.
• Interested in Generative AI and its applications.
• Team-oriented with a proactive attitude.
• English level at least B2+.

Responsibilities

• Development and automation of tools in the Data Platform area.
• Support of the Client's product, technical, and analytical teams in building data-driven solutions.
• Assist client teams in resolving issues via Slack, email, and OpsGenie.

Skills

Data engineering

Python

Java/Kotlin/Scala

SQL

PySpark

Docker

Linux

Git

CI/CD

TDD

BigQuery

Tools

Apache Beam

Terraform

Spark

Dataflow

Job description

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 'Customers 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.

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)

Job 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:

• 20-26k 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

Recruitment process:

• 30-minute screen with our recruiter, Justyna
• 1h technical interview
• 1h interview with the client
• Offer