Senior Data Engineer with AWS and Snowflake

Sii Sp. z o.o.; Bydgoszcz; Hybrid; PLN 240,000 - 300,000; Full time

Job summary

A leading technology company in Poland is looking for a Data Engineer to design and maintain data pipelines and systems. Ideal candidates will have strong expertise in Snowflake and AWS, along with Python programming skills. The role offers a competitive benefits package, including private healthcare and opportunities for professional growth, in a supportive and innovative environment.

Benefits

Private healthcare

Benefits cafeteria platform

Car discounts

Investment in personal growth

Comfortable workplace

Qualifications

• Minimum 5 years of experience in Python for data pipelines.
• Understanding of cloud technologies and Snowflake ecosystem.
• Experience in Agile environment, coaching teams.

Responsibilities

• Design and develop data architecture using Snowflake and cloud security.
• Implement and optimize ETL/ELT processes.
• Collaborate with business teams to deliver analytics solutions.
• Coach and mentor data engineering team.

Skills

Snowflake expertise

AWS

ETL processes

Data Vault

Python programming

SQL

Data Mesh

Fluent English

Fluent Polish

Tools

Immuta

Collibra

Job description

• We are looking for a Data Engineer with expertise in Snowflake, AWS, and ETL processes, who will work closely with AI scientists and data analysts to design, develop, and maintain data pipelines and systems that support clinical and operational data use cases.

Responsibilities

• Design and develop data architecture incorporating Snowflake, Immuta, Collibra, and cloud security
• Implement and optimize ETL/ELT processes, manage raw data, automate workflows, and ensure high performance and reliability of data processing systems
• Manage data quality and security, monitor quality, and implement metadata management strategies
• Collaborate with analytics and business teams to identify user needs and deliver comprehensive solutions supporting analytics and reporting
• Optimize and migrate data systems through data and process conversion from existing systems to Data Vault
• Define and enforce coding standards, data modeling, and ETL/ELT architecture, ensure compliance with Data Mesh and other modern approaches
• Coach and mentor the data engineering team, conduct code reviews, participate in architectural discussions, and initiate innovative technological solutions

Requirements

• Strong expertise in cloud technologies and the Snowflake ecosystem, particularly AWS, Data One Platform, Immuta, Collibra, and cloud security aspects
• Minimum 5 years of experience in Python programming for building and maintaining data pipelines
• Advanced knowledge of databases, including query optimization, relational schema design, and MPP using SQL
• Expertise in data storage technologies, including files, relational databases, MPP, NoSQL, and various data types (structured, unstructured, metrics, logs)
• Deep familiarity with Data Vault, Data Mesh, dimensional modeling, and metadata management
• Understanding of business and analytical processes, as well as integration with analytics and reporting systems
• Experience working in Agile environments, coaching development teams with the use of fluent English and Polish
• Residing in Poland required

Offered

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
• Employment stability - revenue of PLN 2. 1BN, no debts, since 2006 on the market
• We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
• Comfortable workplace – class A offices or remote work
• Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
• Investment in your growth – meetups, webinars, training platform and technology blog – you choose
• Fantastic atmosphere created by all Sii Power People