Senior Data Engineer

Senior • Hybrid

$170 - $180/hr

Warsaw, Poland

Who are we?

Lumicode Sp. z o.o. is part of the Pentacomp Group — a producer of IT solutions and a provider of professional IT services for large enterprises and the public sector.

As Pentacomp, we create IT solutions that combine innovation with decades of experience — and we have quite a lot of it. We have been present on the market for nearly 30 years and can proudly point to numerous successfully delivered projects.

What we offer:

B2B contract
Rate up to 180 PLN/h net (B2B)
Hybrid work model from Gdańsk/Gdynia/Warsaw/Łódź — 2 days per week in the office
Access to a sports card and private medical care
Long-term project

Preferred locations in Poland: Gdańsk, Gdynia, or Warsaw

Work model: Hybrid — 2 days per week in the office.

We are seeking an IT Developer to support a highly available application responsible for delivering data to multiple downstream systems. The ideal candidate will possess a solid software engineering background, combined with in-depth expertise in Oracle databases, SQL/stored procedures, ETL/ELT processes, modern integration patterns, and DevOps methodologies.

Must-have skills and experience:

Strong knowledge of OLAP systems, including STAR schema design and denormalization techniques.
Proficiency in Python and PL/SQL.
Hands-on experience with ETL/ELT tools (GUI-based), such as IBM Datastage, ADF, Stitch, Matillion.
Experience in database management with Oracle, MSSQL, and Snowflake.
Understanding of DevOps and CI/CD practices: Git, Docker, Kubernetes, Terraform, and tools like Jenkins, Bamboo, or Azure DevOps.
Test automation experience (e.g., Robot Framework, Selenium) and familiarity with various testing scenarios.
Solid understanding of version control using Git (GitHub, GitLab).
Experience with workflow orchestration tools (Airflow, Prefect).
Knowledge of both streaming and batch processing, including technologies such as Kafka.

Key responsibilities:

Design, build, and maintain scalable ELT pipelines.
Develop and optimize PL/SQL queries and database components to ensure efficient data storage in Oracle.
Create Python-based data engineering scripts for data processing.
Implement CI/CD pipelines to support data infrastructure and workflow automation.
Manage and execute database change processes.
Work with one or more major cloud providers.
Integrate and maintain components of a modern data stack.
Monitor, troubleshoot, and improve the performance of data workflows and related infrastructure.
Ensure adherence to data quality standards, governance practices, and compliance requirements.

Lumicode Sp. z o.o. (Pentacomp Group)

Lumicode Sp. z o.o., part of the Pentacomp Group, operates in the IT industry, specializing in the development of innovative IT solutions and providing professional IT services to large enterprises and the public sector. With nearly 30 years of experience, the company prides itself on a rich history of completed projects. Lumicode emphasizes a blend of innovation and extensive experience, reflecting its commitment to delivering high-quality IT solutions. The company is distinguished by its long-standing presence in the market and its ability to adapt and innovate within the IT sector.