Senior Data Engineer with Python

Data

Józefa Marjańskiego 3, Białystok+4 Locations

Sii

Full-time

B2B, Permanent

Senior

Remote

Tech stack

English

B2

Kafka

regular

Python

regular

Databricks

regular

Azure Functions

regular

Job description

The Embedded Competency Center is an organizational unit of Sii that brings together almost 500 specialists. We are currently looking for a Data Engineer to support a strategic initiative within the Client’s division. The focus of the engagement is the integration of a trading platform into the European Power portfolio under the EGO (Energy Global Optimization) project.

This is a high-impact role that requires strong technical capabilities and excellent communication skills, as the engineers will closely collaborate with cross-functional teams, including developers, testers, architects, and other stakeholders.

Your responsibilities

• Design and implement scalable data pipelines and integrations for the trading platform integration

• Develop and maintain services using Azure Functions and Databricks

• Work with streaming data using Kafka

• Collaborate closely with project stakeholders to understand requirements and ensure data solutions meet business needs

• Contribute to architecture discussions and propose efficient technical solutions

• Provide technical leadership and mentorship to the engineering team, ensuring best practices and high-quality deliverables

Our requirements

• Strong hands-on experience with: Kafka, Python, Databricks, Azure Functions

• Proven track record of working on complex, enterprise-level projects

• Excellent stakeholder engagement and communication skills

• Ability to collaborate effectively in a cross-functional, distributed team

• Fluent Polish required

• Residing in Poland required

Optional

• Experience in the energy or trading domain

• Familiarity with Shell’s EGO environment

What we offer

• 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 60M 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

Recruitment stages

1. Send your CV

2. Talk to us about your expectations

3. Learn more about our projects and choose the best

4. Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world.

The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment. In a survey, as many as 90% of our employees responded that Sii is a great place to work, and 95% of them think we have a great atmosphere here.

Published: 16.08.2025

Meet the company

Sii

Sii Polska to czołowy dostawca doradztwa technologicznego, transformacji cyfrowej oraz usług biznesowych i inżynieryjnych. Firma obecna jest na rynku od 2006 roku, zatrudnia ponad 7 300 ekspertów, jedenastokrotnie zdobyła tytuł Great Place to Work i osiąga przychody rzędu 2,1 miliarda złotych. Sii realizuje projekty w różnych branżach, wspierając rozwój technologiczny oraz innowacje, w tym w medycynie, rolnictwie i wielu innych sektorach.

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