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Senior Data Analyst (Big Data & Data Modelling)
  • Warszawa
Senior Data Analyst (Big Data & Data Modelling)
Warszawa, Warszawa, mazowieckie, Polska
B2B.net S.A
14. 6. 2026
Informacje o stanowisku

We are looking for an experienced Senior Data Analyst to join a data-driven environment focused on large-scale data analysis, data modelling, and requirements management.

Senior Data Analyst (Big Data & Data Modelling)



Your responsibilities

  • Perform IT analysis, investigative data analysis, and data modelling
  • Drive and facilitate functional and non-functional requirements analysis
  • Translate business needs into clear and actionable requirements
  • Collaborate closely with developers, architects, and IT analysts
  • Analyse data models and ensure data meets business requirements
  • Work with large-scale Big Data platforms and datasets
  • Support the design and improvement of data solutions
  • Participate in requirements refinement and stakeholder discussions
  • Ensure transparency and alignment between business and IT teams
  • Contribute to continuous improvement in data and analytics processes

Our requirements

  • Proven experience as a Senior Data Analyst
  • Strong experience with SQL and relational databases
  • Experience with Big Data platforms and large datasets
  • Hands-on experience with at least some of the following: Hadoop, Hive, Impala, PySpark, HQL
  • Experience in data modelling and data analysis
  • Experience with ETL processes and data-related requirements analysis
  • Experience working with standardized data models (e.g. Canonical Data Model)
  • Ability to gather, refine, and document business and technical requirements
  • Experience collaborating with development teams, architects, and analysts
  • Familiarity with Agile ways of working
  • Strong analytical and problem-solving skills
  • Excellent communication skills and fluent English
  • Experience with Python, Java, or R
  • Experience with JSON and AVRO data formats
  • Knowledge of DB2 or Oracle
  • Experience using Jira and Bitbucket
  • Banking or financial services experience

What we offer

  • Opportunity to work with large-scale data platforms and modern analytics solutions
  • International and collaborative work environment
  • Close cooperation with business and technology teams
  • Long-term project within a complex enterprise landscape
  • Development opportunities in data analysis, modelling, and Big Data technologies

 

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