Senior Data Enigneer

Data Engineer, AWS, lakehouse, datalake warehouse


Senior Data Platform Engineer

Hays IT Contracting is a cooperation based on B2B rules. We connect IT specialists with the most interesting technological projects on the market. For our client, we are currently looking for Candidates for the position of
Senior Data Platform Engineer.

Work mode: Kraków/ hybrid or remote
Compensation: 160- 173 PLN/h net
Contract type: B2B
Language: English B2/C1

We are seeking an experienced Data Platform Engineer to design and implement a cloud-based data lakehouse platform that ingests engineering and security tool data, transforms it through multiple layers, and serves it to both analytics dashboards and AI agents.

Experience must have:
  • Experience with AWS
  • 8+ years in data engineering roles,
  • at least 2 years building lakehouse architectures (Bronze/Silver/Gold or equivalent medallion patterns)
  • Proven track record delivering production-grade data platforms
  • Experience with graph databases (Neo4j, Amazon Neptune, TigerGraph) for relationship modeling
  • Hands-on with stream processing (Kafka, Flink, Spark Streaming, Kinesis)

Technical Skills (Core)
  • Cloud Platforms: Deep expertise in AWS, (S3/Blob, RDS/SQL Database, managed Kafka, serverless compute)
  • SQL & Data Modeling: Expert-level SQL, dimensional modeling, SCD2, normalization vs. denormalization trade-offs
  • Transformation Tools: dbt, Databricks SQL, Dataform, or custom SQL/Python frameworks
  • Programming: Python or Scala for data processing, scripting, and automation
  • Orchestration: Airflow, Prefect, Dagster, Step Functions, or Azure Data Factory
  • IaC: Terraform, CloudFormation, Pulumi, or ARM templates
Technical Skills (Preferred)
  • Search: OpenSearch, Elasticsearch, or Solr for text indexing and retrieval
  • Graph: Neo4j Cypher, SPARQL, or Gremlin for graph queries; experience with graph ETL
  • Data Quality: Great Expectations, dbt tests, or custom validation frameworks
  • Real-time: Flink, Spark Streaming, or serverless event processing (Lambda, Cloud Functions)
  • Monitoring: Grafana, Datadog, or CloudWatch for data pipeline observability
What We Offer:
  • Standard benefits including preferential rates for LuxMed, Multisport, and life insurance packages.
  • The chance for long-term cooperation on projects for top players in numerous sectors.
  • Opportunities for future assignments with other leading clients through Hays.
What will the recruitment process look like:
  • Your CV will be verified by a Hays Recruiter.
  • The recruiter will contact you by phone – a 15-minute conversation about the project and your experience.
  • Meeting with the client – 2 stages.
  • Offer.
  • Welcome to the project!

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Summary

Job Type
Contract
Industry
Engineering
Location
Polska
Specialism
Data & Advanced Analytics
Ref:
1197961

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