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Senior Data Engineer

Square Hiring

 

Chicago, IL, USA

Posted On: 30+ days ago
Experience: 5+ years
Availability: Onsite
Openings: 1
Category: Senior Data Engineer
Tenure: Contract - W2
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Description

You will design, build, and support end-to-end data pipelines including ingestion, transformation, validation, and publishing.

This role is on-site.

Responsibilities

  • Develop and optimize SQL and PySpark transformations in Databricks for large datasets.
  • Build production-grade Python components with modular code, logging, error handling, and testing.
  • Create and maintain Azure Data Factory pipelines with triggers, parameterization, and failure handling.
  • Provision and manage Azure resources using Pulumi Infrastructure as Code.
  • Participate in code reviews, documentation, and operational triage.

Required Skills

  • 5+ years of experience in ETL/ELT pipeline development.
  • Advanced SQL skills including CTEs, views, joins, and performance tuning.
  • Production-quality Python development with CI/CD, unit/integration testing, and code coverage.
  • PySpark expertise in distributed transformations, performance optimization, and debugging.
  • Azure Data Factory experience with Databricks/ADLS integration.
  • Databricks proficiency with Delta Lake patterns and Unity Catalog.
  • Azure fundamentals including ADLS Gen2, Azure SQL, and Resource Groups.
  • Hands-on experience with Pulumi for infrastructure provisioning.

Preferred Skills

  • TypeScript for Pulumi pipelines or Java/.NET for existing service integration.

Education

Any Gradute

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