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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on e-commerce and digital marketplace with emphasis on building cloud data solutions handling petabytes in AWS and GCP. Responsibilities include designing and developing high-performance batch and streaming pipelines, participating in architecture discussions, and supporting production services under strict SLAs. Core technologies encompass Python, Java, Scala, SQL, BigQuery, Hadoop, Spark, Airflow. The offer includes full remote work, long-term cooperation, and benefits such as private medical care and sports cost sharing.
Senior Data Engineer – Python / Spark / AWS & GCP
Company: SQUARE ONE RESOURCES sp. z o.o.
from: 12 August 2026
to: 11 September 2026
150 - 170 złnet (+ VAT)/ hr.B2B contract (full-time)
Salary details
basic salary
Offer parameters
level:senior
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian
Requirements
Expected technologies
Python
Java
Scala
SQL
Airflow
AWS
Spark
Google Cloud Platform
Our requirements
- 10+ years of experience in Data Engineering, Software Engineering, Distributed Systems, or a related field.
- Strong programming skills in Python, Java, or Scala.
- Strong knowledge of SQL and experience with SQL and NoSQL databases such as BigQuery, Teradata, MySQL, PostgreSQL, or Cassandra.
- Experience with Big Data technologies, including Hadoop, Hive, and Apache Spark.
- Hands-on experience with Airflow or another orchestration tool.
- Strong understanding of ETL, data lineage, data quality, backfills, and data pipeline troubleshooting.
- Experience developing both batch and streaming data pipelines.
- Experience across both software development and data engineering.
- Experience with AWS or GCP, particularly data processing at scale.
- Experience designing and supporting production services with strict SLAs.
- Experience with distributed applications and monitoring/logging tools such as Elasticsearch and Wavefront.
- Good understanding of testing methodologies, CI/CD, and software engineering best practices.
- Excellent written and verbal communication skills.
Optional
- Scrum Master experience.Strong expertise in Python.
- Experience with Google Data Streams and Google Dataproc.
- Experience with Change Data Capture (CDC) technologies.
- Experience with modern data warehouse technologies such as Delta Lake.
Your responsibilities
- Design and develop high-volume batch and streaming data ingestion pipelines across AWS and GCP.
- Build and launch next-generation data ingestion and data curation platforms.
- Participate in system and data architecture discussions.
- Design scalable and high-performance distributed data solutions.
- Troubleshoot and resolve issues related to ETL, data lineage, data quality, backfills, and data pipelines.
- Design, implement, and support production services with strict SLAs.
- Collaborate with Software Engineers, Data Engineers, ML Engineers, Data Analysts, and other stakeholders.
- Provide technical guidance and mentor junior engineers.
- Contribute to best practices across software development, data engineering, testing, and CI/CD.
- Work with logging, monitoring, metrics, and alerting solutions to ensure platform reliability.
About the project
We are looking for an experienced Senior Data Engineer / Data Platform Engineer to join an international Data team within the e-commerce and digital marketplace industry.
The team is responsible for building next-generation, cloud-based data solutions capable of ingesting and processing petabytes of data across data lakes and data warehouses.
This is how we organize our work
This is how we work
at the client's site
What we offer
- Full remote work
- Long-term cooperation
- B2B contract
Benefits
- sharing the costs of sports activities
- private medical care
Recruitment stages
- 1.Interview with the client
- 2.Final decision
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
Senior Data Engineer – Python / Spark / AWS & GCP
150–170 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.
- We’ll forward your question to the employer and aim to provide a response within 3 business days.