Senior Data Engineer

Bonapolia; Polska; Remote; PLN 481,000 - 655,000; Full time

Job summary

Bonapolia is seeking a Senior Data Engineer for an international banking project, with remote work across the Baltic States and Poland. The role focuses on building end-to-end data solutions on AWS and on-premises Oracle DB, working with Airflow, dbt, and SAP Data Services, and contributing to Data Mesh and Medallion architecture implementations.

You will join a cross-functional Agile team, collaborating with analysts, engineers, and stakeholders to deliver scalable data solutions while

Qualifications

• Proven hands-on experience with SQL and Python.
• Cloud platforms experience on AWS, Azure, or GCP.
• Experience with data pipeline tools such as Airflow or dbt.
• Working knowledge of Oracle DB, SAP IQ, SAP Data Services, and SAP Business Objects.
• Knowledge of data integration - real-time, event-driven architectures.
• Exposure to test automation, DevOps, and CI/CD.

Responsibilities

• Design, implement, and improve data ingestion, processing, storage, and sharing within a Data Mesh platform across AWS cloud and legacy DWH environments.
• Build and optimize ETL/ELT pipelines and data architectures using Airflow, dbt, and SAP Data Services.
• Support modernization and migration of legacy data systems toward cloud-native architecture.
• Ensure high standards of data quality, security, and performance across all data workflows.
• Collaborate with analysts, engineers, and business stakeholders to deliver scalable data solutions.
• Perform code reviews, implement monitoring and alerting, and resolve data pipeline defects.
• Participate in the EOD ROTA rotation, with availability for incident resolution until 23:00-24:00.

Job description

Join an International Banking Project as a Senior Data Engineer.

Project/Client: Banking

Location: Baltic States and Poland Citizen (remote)

Start Date: ASAP

Duration: 12 months

Language: English

Role Overview

We are looking for an experienced Senior Data Engineer to join a cross-functional Agile team within the banking domain. The role focuses on designing and improving end-to-end data solutions across AWS cloud and on-premises (Oracle DB) environments, working with Airflow, dbt, and SAP Data Services, and contributing to Data Mesh and Medallion architecture implementations.

Key Responsibilities

• Design, implement, and improve data ingestion, processing, storage, and sharing within a Data Mesh platform across AWS cloud and legacy DWH environments
• Build and optimize ETL/ELT pipelines and data architectures using Airflow, dbt, and SAP Data Services
• Support modernization and migration of legacy data systems toward cloud-native architecture
• Ensure high standards of data quality, security, and performance across all data workflows
• Collaborate with analysts, engineers, and business stakeholders to deliver scalable data solutions
• Perform code reviews, implement monitoring and alerting, and resolve data pipeline defects
• Participate in the EOD ROTA rotation, with availability for incident resolution until 23:00-24:00

Must-Have Requirements

• Proven hands-on experience with SQL and Python
• Hands-on experience with cloud platforms - AWS, Azure, or GCP
• Good understanding of data pipeline tools such as Airflow or dbt
• Working knowledge of enterprise data platforms: Oracle DB, SAP IQ, SAP Data Services, and SAP Business Objects
• Knowledge of solution integrations - real-time, message-based, and event-driven architectures - including bridging legacy systems with modern data platforms
• Exposure to test automation and DevOps practices, including infrastructure as code, security best practices, CI/CD, and SDLC
• Experience with Data Products deliveries, Medallion architecture, and Data Mesh architecture
• Strong communication and collaboration skills

Nice to Have

• Experience within the banking / customer business domain
• Experience with container orchestration tools: Kubernetes, Docker
• Understanding of streaming data pipelines and platforms: Kafka, Spark, Flink
• Experience with reporting tools such as Power BI
• Experience with both SQL and NoSQL databases
• Java development experience
• What we offer
• Model: B2B contract with Bonapolia- one contract, one monthly invoice
• Rate: negotiated per candidate seniority and client budget
• Payment: monthly invoice, paid on the same schedule the client pays us (usually 30 days)
• Contract written under your country's law
• We handle the client-side paperwork: MSA, NDA, invoicing

About Bonapolia

Bonapolia is a family-owned IT staff augmentation team based in Lisbon. We build engineering teams for product companies and IT consultancies across Europe and the US.

More at bonapolia.com