Senior Data Engineer with AWS and Snowflake

Data

-, Warszawa+4 Locations

Sii

22 000 - 26 000PLN

Net per month - B2B

Full-time

B2B

Senior

Remote

Tech stack

English

C1

Polish

C1

AWS

advanced

Unix

advanced

ETL

advanced

Docker

advanced

Snowflake

advanced

SQL

advanced

Data Vault

advanced

Python

advanced

Job description

Requirements description

• 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

Nice-to-have requirements

• Knowledge of Pharma data formats is a big plus

Offer 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.

Your 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

Job details

• Recruitment language: Polish

• Start ASAP

• Permanent contract

• Fully remote

Perks in the office

• Free coffee

• Free breakfast

• No dress code

• Modern office

Benefits

• Sport subscription

• Training budget

• Private healthcare

• Small teams

• International projects

About Sii Poland

• Founded in:2006

• Company size:7500+

• Locations:Warszawa + 13

Since 2006 on the market, 7 500+ experts, PLN 2,1 billion revenue, 11 times Great Place to Work title – get to know Sii, the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We implement projects for over 200 clients from all over the world. Our mission is to identify and promote the best Workers – Power People. Learn more at sii.pl.

Published: 09.08.2025

Meet the company

Sii

Od 2006 roku na rynku, 7 500+ ekspertów, 2,1 miliarda złotych przychodu, 10-krotny tytuł Great Place to Work – poznajcie Sii, czołowego dostawcę doradztwa​ technologicznego, transformacji cyfrowej oraz usług biznesowych i inżynieryjnych w Polsce.

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