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Senior Data Engineer – Common Data Layer/Data Hubs/GenAI

Cognizant · Remote · Kraków

Job description

About the Role

As a Senior Data Engineer , you will design and build scalable Data Hubs that support analytical, reporting, operational, and Generative AI use cases . This role involves defining standards, best practices, and architecture patterns , mentoring engineers, and ensuring high-quality data solutions.

Key Responsibilities

  • Data Hub Architecture – Design and implement efficient, scalable Data Hubs integrating multiple data sources.
  • Technical Leadership – Define best practices, patterns, and standards , ensuring consistency across implementations.
  • Mentoring & Strategy – Guide engineers, review code, and provide technical direction .
  • Data Pipelines – Develop batch and real-time data processing workflows.
  • Quality & Monitoring – Implement data validation, anomaly detection, and automated monitoring , taking action when needed.
  • Automation & CI/CD – Enable seamless deployment and infrastructure automation .
  • Security & Compliance – Ensure data governance, security, and regulatory compliance .
  • Documentation – Maintain clear, structured technical documentation .

Required Skills and Experience

  • Python, SQL – Strong data engineering and automation expertise.
  • Databricks & Spark – Deep knowledge of Databricks (primary tool) and Apache Spark .
  • Azure Data Stack – Experience with Data Factory, ADLS, Synapse, Azure SQL, Event Hubs .
  • Real-Time Processing – Expertise in streaming data and real-time analytics .
  • Automation & DevOps – Proficiency in CI/CD, Terraform, Kubernetes/AKS, Docker .
  • Leadership & Mentoring – Ability to set direction, mentor engineers, and drive best practices .
  • Documentation & Communication – Clear, structured technical writing and knowledge sharing .
  • Language Skills – English proficiency, minimum B2 level. Polish proficiency, minimum B2 level.

Technology Stack

  • Primary Tools – Databricks, Apache Spark, Delta Lake.
  • Azure Services – Data Factory, ADLS, Azure SQL, Synapse, Azure DevOps, Event Hubs.
  • Development & Automation – Python, SQL, GitHub, Terraform, Docker, Kubernetes/AKS.

What We Offer

  • Private healthcare, life insurance, and cafeteria benefits
  • Training programs and certifications
  • Inclusive culture and volunteering opportunities
  • Employee referral program
  • Collaborative, innovative environment

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