Senior Data Engineer eng

6 dni temu

Kraków, Lesser Poland Crodu Pełny etat

Form of work: long-term, full-time, 100% remote

Start: ASAP

Hi

We are looking for a Senior Data Engineer with strong experience in Databricks, Python/PySpark, and Snowflake for our client - a major U.S. legal industry leader. The project focuses on modernizing and migrating systems and data from Snowflake to Databricks: from source extraction, through transformation and data quality validation, to loading into new cloud-based environments.

We're searching for someone with a consulting mindset (comfortable working directly with the client), who can operate independently within the project and navigate complex and changing requirements. This role includes full ownership of the Snowflake migration track (not a team contributor role).

The ideal candidate has deep technical expertise in Apache Iceberg, Unity Catalog governance, and modern Databricks capabilities (Workflows, Serverless, Lakehouse Monitoring).

Due to the client's U.S. location, some overlap with EST hours is required (until around 6 PM CET). During the first weeks (onboarding), additional afternoon availability may be needed.

Scope Of Responsibilities
Architecture & Design

  • Snowflake data warehouse inventory and dependency mapping
  • Migration architecture using Apache Iceberg for cross-platform interoperability
  • Governance framework in Unity Catalog (role-based access, row-level security)
  • Full + incremental historical sync strategy

Migration execution

  • Snowflake UNLOAD → Databricks ingestion (Auto Loader, Workflows)
  • Iceberg tables enabling read-write compatibility between Snowflake and Databricks
  • Medallion architecture (Bronze/Silver/Gold) using Delta Lake / Iceberg
  • Row-level security implementation in Unity Catalog
  • CDC patterns for Snowflake → Databricks flows

Optimization & handoff

  • Cost optimization (Photon, Serverless SQL, workload tiering)
  • Monitoring dashboards (data quality, pipeline health, cost)
  • DataPact for automated quality testing
  • Production cutover support and documentation

Requirements
~5 years hands-on experience as a Databricks platform engineer

Proven Snowflake → Databricks migration delivery

Practical knowledge of Apache Iceberg & cross-platform data interoperability

Expertise in Unity Catalog access & security (row-level security, access control)

AWS cloud experience

Strong Python / PySpark, DataFrames, Delta Tables skills

Ability to lead independent delivery under tight timelines

Strong client-facing and stakeholder management skills

Fluent English for everyday communication with U.S. teams (B2/C1)

Nice To Have
Databricks Professional certification

FinOps knowledge (cost optimization, DBU monitoring) / financial-sector experience

Infrastructure-as-Code (Terraform, DABs)

What We Offer
Transparent communication throughout recruitment and employment

Fast, candidate-friendly recruitment process

Remote-first culture – business travel kept to a minimum

Private healthcare (Medicover) & Multisport card for contractors

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