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Senior Data Engineer – Communication Platforms
  • Bialystok
Senior Data Engineer – Communication Platforms
Białystok, Bialystok, Podlaskie Voivodeship, Polska
Sii Sp. z o.o.
29. 1. 2025
Informacje o stanowisku

technologies-expected :


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

about-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!

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

requirements-expected :


  • 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

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 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

  • Praca Białystok
  • Białystok - Oferty pracy w okolicznych lokalizacjach


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