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Senior Big Data Engineer
  • Toruń
Senior Big Data Engineer
Toruń, Toruń, Kuyavian-Pomeranian Voivodeship, Polska
Sii Sp. z o.o.
4. 10. 2025
Informacje o stanowisku

technologies-expected :


  • Apache Spark
  • Apache Hadoop
  • map-reduce
  • Delta Lake
  • Apache Kafka
  • Java
  • Scala

technologies-optional :


  • Hbase
  • Cassandra

about-project :


  • Join our Competency Center Digital and a new team that focuses on real-time data capture and decisioning. You will work on high-traffic, high-visibility applications, handling immense amounts of data and solving challenging scaling problems in a project for an American technology company specializing in software and digital services. You will contribute to delivering a streamlined set of core services built on top of the data layer, focusing on foundational elements such as identity, profile, segmentation, and edge components.

responsibilities :


  • Integrate and improve Big Data tools and frameworks to provide requested capabilities
  • Develop and deploy critical parts of the services and deliver them to production
  • Articulate the choice of accurate tools and technologies
  • Translate high-level requirements into meaningful tasks and actions
  • Optimize distributed microservices and Spark applications to reduce cost and enhance availability
  • Participate in sophisticated, large-scale projects in an Agile environment using Java, Jenkins, and Spark
  • Collaborate with multi-functional specialists (Product Management, Design, Engineering, etc.) to launch customer-focused solutions

requirements-expected :


  • Min. 9 years of industry software development experience
  • Hands-on experience with open-source technologies such as Spark, Hadoop Stack, and Kafka
  • Proven record of delivering highly optimized code in Java
  • Experience working with NoSQL databases, preferably HBase and Cassandra
  • Proficiency in data structures and algorithms
  • Proven expertise in Java, OOP principles, clean design, and design patterns
  • Deep understanding of modern cloud technologies and design patterns for building “always-up” services
  • Unending curiosity, thoroughness, tenacity, and focus on quickly designing and building sophisticated software systems with great quality to solve customer problems
  • Experience with Containers and CI/CD systems like Argo CD and GitOps
  • Fluent English required
  • 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 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 Toruń
  • Toruń - Oferty pracy w okolicznych lokalizacjach


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