Senior Data Engineer

Company: Haystack

Location: Los Angeles, CA (Remote)

Type: Contract

Remote: Yes

Posted: 2026-07-16

About this role

We are working with a leading technology staffing company that provides a wide range of solutions to clients across various industries, connecting talented professionals with innovative companies.


The Role

  • Design and own the end-to-end data architecture, including secure cloud storage, ingestion pipelines, and a curated analytics layer.
  • Build ingestion pipelines for diverse data formats (CSV/JSON/XML/HL7/X12) with schema validation and full lineage.
  • Stand up and operate a curated data layer (data warehouse/lakehouse-lite) for analytics and ML models.
  • Select, integrate, and operate essential data tools, including object storage, orchestrators, and validation libraries.
  • Design and enforce data governance in a HIPAA-regulated environment, covering PHI/PII classification, encryption, and access control.
  • Partner with various stakeholders to define data contracts and ensure data quality.

What You'll Need

  • BS/BA degree or higher in Computer Science, Engineering, or a related technical field.
  • 8+ years of professional data engineering experience with a track record of shipping production data systems.
  • Mastery of PostgreSQL, including schema design, indexing, query tuning, and operating at scale.
  • Strong experience in designing and operating data pipelines for file-based and API-based ingestion.
  • Strong experience with dbt (or equivalent SQL-based transformation framework) and modern data modeling patterns.
  • Hands-on experience with one or more cloud platforms (AWS preferred) and their data primitives.
  • Experience with at least one orchestration framework (Dagster, Prefect, or Airflow).
  • Strong Python skills for ingestion, validation, and tooling.

What's On Offer

  • Comprehensive benefits, including medical/dental/vision insurance, HSA, FSA, and 401(k).
  • Opportunity to work on challenging and impactful data engineering projects.
  • Collaborative and agile work environment.
  • The chance to contribute to a HIPAA-regulated enviro...

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