ETL Developer (f/m/x)

Sii Polska; Polska; Remote; PLN 60,000 - 90,000; Full time

Job summary

Sii Polska in Poland is seeking an ETL Developer to join a data-focused banking project. You will work with ETL processes, data flows, and data warehouse solutions, using SQL to transform data and support reporting needs.

A capable candidate with at least 2 years of commercial ETL experience who wants to deepen technical skills in a banking context and collaborate with a skilled team will fit well. Fluency in Polish and English is valued for stakeholder communication.

Qualifications

• At least 2 years of commercial ETL-focused experience.
• Hands-on SQL skills for data extraction and transformation.
• Familiarity with ETL processes and data transformation.
• Basic understanding of data warehouse concepts.
• Understanding of data processing and data integration.
• Strong English communication skills.
• Fluent Polish language proficiency.
• Residency in Poland.

Responsibilities

• Develop and maintain ETL processes and data flows.
• Write SQL queries for data extraction, transformation, and loading.
• Integrate data from diverse sources into the data warehouse.
• Transform and prepare data according to defined requirements.
• Support and monitor existing data processing solutions.
• Issue identification and resolution in data processing tasks.
• Ensure data quality, integrity, and consistency.
• Collaborate with team members on data solutions.

Skills

ETL development

SQL

ETL processes

Data warehouse concepts

Data processing

English

Polish

Tools

Teradata

Job description

O projekcie:

We are looking for an ETL Developer to join a data-focused project in the banking sector. In this role, you will work with ETL processes, data flows, and data warehouse solutions, using SQL to process and transform data. This is a great opportunity for someone with initial commercial experience in ETL development who wants to further develop their technical skills and gain experience in the banking domain.

Wymagania:

• At least 2 years of commercial experience in ETL development, data engineering, or a similar data-focused role


• Good practical knowledge of SQL


• Experience or good understanding of ETL processes and data transformation


• Basic knowledge of data warehouse concepts


• Understanding of data processing and data integration


• Good command of English


• Fluent Polish


• Residency in Poland

Nice-to-have requirements

• Experience with Teradata


• Experience in the banking or financial services sector


• Knowledge of banking data environments

Codzienne zadania:

• Developing and maintaining ETL processes and data flows


• Writing SQL queries for data extraction, transformation, and processing


• Integrating data from different sources into the data warehouse


• Transforming and preparing data according to defined requirements


• Supporting and monitoring existing data processing solutions


• Identifying and resolving issues related to data processing


• Ensuring data quality, integrity, and consistency


• Cooperating with other team members working on data solutions