Senior Data Engineer & Architect — ETL, Warehousing, AWS

hitachi; Kraków; On-site; PLN 140,000 - 210,000; Full time

Job summary

Hitachi Vantara is seeking a Data Engineer in Kraków to design and implement robust data pipelines and ETL processes across diverse data sources. You will ensure data quality, manage reporting environments, and support the data warehouse with refined requirements.

You will work with business stakeholders to elicit requirements and translate them into user stories and acceptance criteria. The role requires experience with large datasets, SQL, data warehousing, and tools like Power BI, AWS,

Qualifications

• Proven work experience as a Data Engineer or in a related role.
• Proficiency in SQL, Data warehousing, Data modeling, PBI Reporting
• Strong understanding of data methodologies and processes.
• Hands on experience in ETL/ELT
• Solid understanding of data engineering principles, including statistical analysis.
• Familiarity with the AWS ecosystem, including Redshift, Airflow, S3, and related services.
• Demonstrated experience handling large datasets and relational databases.
• Ability to work effectively in a dynamic, research-oriented team with multiple concurrent projects.
• Understanding of data privacy regulations.
• Knowledge on Oracle EBS/Salesforce Finance and Supply chain modules.
• Knowledge on Batch/Powershell, REST API's
• Excellent communication, problem-solving, and collaboration abilities.

Responsibilities

• Build data pipelines to clean, transform, and aggregate data from disparate sources.
• Design, build, and maintain ETL processes while working with large and complex datasets.
• Perform quality assurance on imported data and collaborate with multiple teams as needed.
• Manage and design the reporting environment, including data sources, security, and metadata.
• Support the data warehouse by identifying and refining reporting requirements.
• Develop and troubleshoot reports and dashboards using single or multiple data sources.
• Evaluate changes and updates to source production systems.
• Collaborate with business stakeholders to understand business needs.
• Experienced in requirements elicitation, stakeholder management, business process and gap analysis, and preparing Business Requirement Documents, Functional Requirement Documents user stories, and acceptance criteria.

Skills

SQL

Data warehousing

Data modeling

Power BI

ETL/ELT

AWS

Redshift

Airflow

S3

Oracle EBS

Salesforce Finance

REST API

Batch scripting

PowerShell

Data privacy

Tools

AWS

Redshift

Airflow

S3

Job description

Hitachi Vantara is seeking a Data Engineer in Kraków to design and implement robust data pipelines and ETL processes across diverse data sources. You will ensure data quality, manage reporting environments, and support the data warehouse with refined requirements.

You will work with business stakeholders to elicit requirements and translate them into user stories and acceptance criteria. The role requires experience with large datasets, SQL, data warehousing, and tools like Power BI, AWS,