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Senior Data Engineer – Communication Platforms
  • Toruń
Senior Data Engineer – Communication Platforms
Toruń, Toruń, Kuyavian-Pomeranian Voivodeship, Polska
Sii Sp. z o.o.
30. 1. 2025
Informacje o stanowisku

Senior Data Engineer – Communication Platforms

Miejsce pracy: Toruń

Technologies we use

Expected

  • Java
  • SQL
  • NoSQL
  • Kafka
  • AWS
  • GCP
  • Docker
  • Kubernetes

About the project

Have you ever thought about how messages, calls, and videos instantly connect people across the globe? Now, you’ll not only be able to wonder but also play a key role in creating those solutions. We are partnering with a global leader in cloud communication solutions, renowned for delivering seamless voice, messaging, video, and contact center APIs to millions worldwide. As part of an exciting, fully remote project, you’ll join a talented engineering team tasked with building the next generation of real-time, event-driven data pipelines. This is your chance to solve complex challenges related to distributed systems, real-time data processing, and scalability. Please note, that this role involves participation in a 24/7 on-call rotation, ensuring uninterrupted service delivery for mission-critical systems. Are you ready to shape the future of global communication? Send us your CV today and be part of this cutting-edge initiative!

Your responsibilities

  • Designing and implementing scalable systems to process and analyze tens of millions of daily events using Java and Kafka
  • Developing and maintaining real-time data pipelines with streaming technologies to enable event-driven architectures
  • Working with public cloud infrastructures such as AWS (RDS, S3, EMR) and Google Cloud (BigQuery, GDS) to support big data initiatives
  • Collaborating with cross-functional teams to maintain platform reliability and scalability, including participating in a rotational 24/7 on-call duty to address critical issues
  • Writing and optimizing efficient, maintainable, and scalable code while adopting new tools and technologies to meet evolving business needs

Our requirements

  • 5+ years of experience as a Data Engineer or in a similar role, with strong software engineering expertise and a focus on data processing
  • Proficiency in Java and experience with Kafka or other event-driven pipelines
  • Hands-on experience with SQL/NoSQL databases and scalable, distributed systems
  • Familiarity with public cloud services (AWS, GCP) and containerized environments like Docker and Kubernetes
  • Excellent command of English, both written and verbal, for seamless collaboration in an international environment
  • Willingness to participate in a 24/7 on-call rotation, ensuring high system reliability
  • Residence in Poland is required

Optional

  • Experience with open-source OLAP systems (e.g., Druid, Pinot)
  • Exposure to streaming frameworks for real-time data processing
  • Background in telecommunications or cloud communication platforms

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

  • Send your CV
  • Talk to us about your expectations
  • Learn more about our projects and choose the best
  • 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.

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