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...