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Senior Big Data Developer with AWS
  • Bydgoszcz
Senior Big Data Developer with AWS
Bydgoszcz, Bydgoszcz, Kuyavian-Pomeranian Voivodeship, Polska
Sii Sp. z o.o.
11. 9. 2025
Informacje o stanowisku

technologies-expected :


  • Python
  • AWS
  • Databricks
  • SQL

technologies-optional :


  • Apache Spark
  • Kubernetes
  • PostgreSQL

about-project :


  • We seek passionate Senior Software Engineers to join our team. As a Senior Software Engineer, you will develop robust, advanced analytics and machine learning solutions that have a direct impact on the business. Your role will be to contribute to the supply chain and planning technology team, specifically within the optimization space. The stack is never static, but at heart, all the code is written in Python with a heavy focus on SQL and Databricks.
  • This project requires availability to join meetings from 7 am - 10 am PST (16:00-19:00 CET) and take part in rotational on-calls in the team from 12 am - 12 pm PST (21.00 - 9.00 CET).

responsibilities :


  • Design and implement scalable applications that leverage prediction models and optimization programs to deliver data-driven decisions that result in immense business impact
  • Contribute to core advanced analytics and machine learning platforms and tools to enable both prediction and optimization model development
  • Optimize the capability of the IT infrastructure and services to deliver a cost-effective and sustained level of application availability
  • Develop complex tools and processes in support of continuity management
  • Execute tests for system continuity, design, test, and implement monitoring tools and processes
  • Write procedures to respond to results so system issues are brought to resolution
  • Collect metrics over a long term for trending
  • Perform complex work to install hardware and software, taking proactive steps to assure success.
  • Devise a process and procedure for applying and maintaining security settings and user access based on the technology platform
  • Recommend improvements as indicated based on analysis of current techniques and perceived imperfections

requirements-expected :


  • Undergraduate degree in Computer Science, or equivalent experience
  • Over 5 years of professional experience in software engineering, data engineering, machine learning, or a related field, using Python
  • Proficiency with cloud architecture and technologies, in particular Amazon Web Services
  • Availability to join meetings from 7 am - 10 am PST (16:00-19:00 CET) and take part in rotational on-calls in the team from 12 am - 12 pm PST (21.00 - 9.00 CET)
  • Knowledge of technologies like Databricks, Spark, Kubernetes, Docker, Jenkins, Hive, and Terraform is highly desirable
  • Experience with agile development and test-driven development
  • Understanding of data structures, data modeling, and software architecture
  • Effective English communication skills (with team members, the business, and in code)
  • 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 Bydgoszcz
  • Bydgoszcz - Oferty pracy w okolicznych lokalizacjach


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