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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on designing and developing scalable data engineering solutions and cloud platforms on AWS. Core technologies include Python, SQL, ETL/ELT, Big Data and databases. Responsibilities cover data architecture design, building complex pipelines, performance optimization, troubleshooting scalability and security issues, mentoring, and influencing architectural decisions.
from: 1 September 2026
to: 1 October 2026
140 - 165 złnet (+ VAT)/ hr.B2B contract
Offer parameters
level:senior • expert
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian
Requirements
Expected technologies
AWS
ETL
ELT
Python
spark
big data
Data Warehouse
pyspark
SQL
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.
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.
About the project
We are looking for an experienced Data Engineer to join an international project focused on designing and developing scalable data engineering solutions and cloud-based data platforms.
You will work on complex data processing and integration solutions, with a strong focus on AWS, ETL/ELT, distributed data processing, databases and data architecture. The role combines hands-on engineering with technical ownership, architecture and mentoring responsibilities.
This is how we organize our work
This is how we work
at the client's site
SQUARE ONE RESOURCES sp. z o.o.
At Square One Poland we link IT experts with the business. With over 25 years of experience, we specialize in recruitment processes on a global scale. Despite years of experience, we still have a startup DNA and this is our advantage. Our offices are located in London and Warsaw, however, we can reach clients from all over the world, from start-ups to big worldwide corporations.
This is how we work
ETL Data Engineering Practitioner
140–165 zł / hr. (B2B)
I apply to:
SQUARE ONE RESOURCES sp. z o.o.
Warszawa, Masovian
Need more information?
- Make sure the body of the offer doesn’t already include what you’re looking for.
- Ask a question if you need more information you’re interested in.
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