ETL Data Engineering Practitioner
SQUARE ONE RESOURCES sp. z o.o.
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140 - 165 PLN
B2B
Senior
Expert
Warszawa
Expires Oct 1, 2026
18 days ago
In short
ETL Data Engineering Practitioner in Warszawa. Responsibilities: designing data solutions, ETL/ELT pipelines, AWS, Big Data tech, Data Warehouses/Lakes. Requirements: 5+ yrs exp, AWS, Python, SQL, ETL/ELT, Big Data, Data Warehousing, database optimization.
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Technologies we use
About the project
This is how we organize our work
This is how we work
Your responsibilities
- Design and implement scalable data engineering solutions and data architectures.
- Develop and optimize advanced ETL/ELT pipelines and data processing workflows.
- Work with large-scale data processing using AWS and Big Data technologies.
- Design and maintain Data Warehouses, Data Lakes and data processing frameworks.
- Troubleshoot complex performance and scalability issues across data platforms.
- Work with relational databases and optimize database performance.
- Ensure data platforms are scalable, secure, resilient and reliable.
- Contribute to data architecture standards, best practices and technical decisions.
- Collaborate with other technical teams and business stakeholders to understand requirements and translate them into effective data solutions.
- Contribute to data governance and the continuous improvement of the organization's data infrastructure.
- Support and mentor less experienced Data Engineers and contribute to technical knowledge sharing.
- Participate in architectural discussions and help shape the long-term direction of the data platform.
Our requirements
- 5+ years of professional experience in Data Engineering.
- Strong hands-on experience with AWS and cloud-based data platforms.
- Excellent knowledge of Python and SQL.
- Solid experience with ETL/ELT processes and data integration.
- Experience with Big Data technologies and distributed systems.
- Experience designing scalable Data Warehouses and/or Data Lakes.
- Strong database knowledge and experience with database performance optimization.
- Experience designing and implementing complex data engineering solutions.
- Understanding of data architecture, scalability, resilience and security.
- Ability to troubleshoot complex technical and performance-related issues.
- Experience taking technical ownership and influencing architectural decisions.
- Good communication skills and the ability to collaborate with both technical and business stakeholders.
Optional
- Experience mentoring other engineers or acting as a technical lead.
- Experience with Scrum Master responsibilities.
| Published | 2026-09-01 |
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