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Senior Data Engineer @ Mindbox Sp.z.o.o.
  • Kraków
Senior Data Engineer @ Mindbox Sp.z.o.o.
Kraków, Kraków, Lesser Poland Voivodeship, Polska
Mindbox Sp.z.o.o.
7. 12. 2025
Informacje o stanowisku

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.  

This role is part of a strategic banking transformation initiative focused on modernizing approximately a dozen .NET applications and MSSQL databases into a modular, cloud-native Azure architecture. The goal is to build a modern, data-centric platform that centralizes data flows, reporting, and analytics to support enterprise decision-making and regulatory requirements.
The environment includes ASP.NET MVC/Razor, legacy Angular, WPF, WinForms, Windows Services, SSIS, and modern Azure services.

Sounds like your kind of challenge? 

    What you get in return

    • Flexible cooperation model – choose the form that suits you best(B2B, employment contract, etc.)
    • Hybrid work setup – remote days available depending on the client’s arrangements (3 days per week in Kraków office)
    • Collaborative team culture – work alongside experienced professionals eager to share knowledge 
    • Continuous development – access to training platforms and growth opportunities 
    • Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more 
    • High quality equipment – laptop and essential software provided

    Note: Detailed project information will be shared during the recruitment process. 


    • Experience: 5+ years as a Data Engineer or similar role.
    • Databases: Strong hands-on experience with MS SQL Server / Azure SQL.
    • ETL / ELT: Proven experience designing, building, and migrating ETL/ELT using Azure Data Factory and SSIS.
    • Reporting: Experience with SSRS and Crystal Reports; ability to modernize legacy reporting.
    • Azure Data Services: Practical experience with Azure Data Factory and Azure Data Lake / ADLS Gen2.
    • Data Warehouse Design: Solid understanding of dimensional modelling and data warehouse concepts.
    • SQL & Performance: Advanced SQL skills, including complex queries and performance tuning.
    • Architecture & Documentation: Ability to design end-to-end data solutions and produce SDD.
    • Data Pipelines: Experience building enterprise-scale pipelines for batch and streaming.
    • Governance & Security: Knowledge of data quality, governance, and regulatory compliance.
    • Collaboration: Experience integrating data from multiple sources and working with backend teams.
    • Power BI: Familiarity with Power BI data models and performance optimization.

    Nice-to-have

    • Azure Databricks & Apache Spark for large-scale processing.
    • Experience migrating legacy ETL/reporting to the cloud.
    • Knowledge of .NET ecosystem and API integration patterns.
    • Experience with secure data sources (CyberArk, SFTP).
    • Streaming or near-real-time data processing.
    • CI/CD for data platforms and Infrastructure as Code (Terraform, ARM, Bicep).
    • Cloud cost optimization strategies.

    Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference. 

    At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.  

    This role is part of a strategic banking transformation initiative focused on modernizing approximately a dozen .NET applications and MSSQL databases into a modular, cloud-native Azure architecture. The goal is to build a modern, data-centric platform that centralizes data flows, reporting, and analytics to support enterprise decision-making and regulatory requirements.
    The environment includes ASP.NET MVC/Razor, legacy Angular, WPF, WinForms, Windows Services, SSIS, and modern Azure services.

    Sounds like your kind of challenge? 

      What you get in return

      • Flexible cooperation model – choose the form that suits you best(B2B, employment contract, etc.)
      • Hybrid work setup – remote days available depending on the client’s arrangements (3 days per week in Kraków office)
      • Collaborative team culture – work alongside experienced professionals eager to share knowledge 
      • Continuous development – access to training platforms and growth opportunities 
      • Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more 
      • High quality equipment – laptop and essential software provided

      Note: Detailed project information will be shared during the recruitment process. 

      ,[Design & build data pipelines: Implement and maintain enterprise-scale ETL/ELT pipelines using Azure Data Factory and related Azure services., Migrate & modernize ETL: Upgrade legacy ETL/ELT processes (including SSIS) and migrate pipelines to the cloud., Batch & streaming processing: Develop and operate both batch and near-real-time/streaming workflows., Data warehouse & lake design: Design and evolve Data Warehouse and Data Lake architectures (dimensional modelling, star/snowflake schemas)., Database performance & operations: Optimize and manage MS SQL Server / Azure SQL for reliability and performance., Reporting & integration support: Modernize reporting stacks (SSRS, Crystal Reports) and integrate data from APIs, files, and secure sources (e.g., CyberArk, SFTP)., Collaboration: Work closely with .NET/API teams to enable secure and reliable data flows., Architecture & documentation: Contribute to solution and data architecture and maintain Solution Design Documentation (SDD)., Data quality & governance: Ensure compliance with data quality, governance, and banking security standards., Analytics support: Assist with Power BI data models, refresh strategies, and performance tuning. Requirements: MS SQL Server, SQL, ETL, Azure Data Factory, SSRS, Azure Data Lake, ADLS, Performance tuning, Data pipelines, Data models, Power BI, Azure Databricks, Spark, Cloud, .NET, API, SFTP, IaC, ARM, Bicep, Terraform Additionally: Sport subscription, Private healthcare, International projects.

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