# Senior Data Engineer
**Company:** [Raylu](https://hotfix.jobs/companies/raylu)
**Location:** New York, NY
**Salary:** $165K-$250K
**Skills:** Python, Dagster, Duckdb, ELT, ETL, Entity Resolution, Data Pipelines, Data Monitoring, Columnar Storage, Vector Indexes
**Posted:** 2025-10-27
> Designs and runs massive-scale data pipelines for ingestion, normalization, enrichment, and delivery across 80M+ companies and 800M+ people. Manages data operations, BPO vendors, partnerships, monitoring, and cost optimization using Python, Dagster, and DuckDB.
## Job Description
## Responsibilities
- Own end-to-end data flows: ingestion, normalization, entity resolution, enrichment, and delivery.
- Stand up monitoring for freshness, completeness, and accuracy; drive RCA and prevention.
- Build internal tools that make data discoverable and usable by engineering and product.
- Recruit, onboard, and manage BPO vendors; negotiate and run data partnerships.

## Core Requirements
- **Core stack**: Python, Dagster, DuckDB
- **Pipelines at scale**: Building resilient ELT/ETL with strong contracts, idempotency, and lineage.
- **Data operations**: Set quality bars, manage BPO workflows, and run SLAs with external data partners.
- **Serving & access**: Position data for production use from serving infrastructure, documentation, and SLAs for internal consumers.
- **Cost & performance**: Tune storage/compute and keep a sharp eye on unit economics.
- **Opinionated**: Deep level of understanding of the technological landscape, making both high level system and granular code design decisions based on understanding rather than preference - diving deep on unknown patterns in order to build the best product.

## Nice to Have
- Experience with big data, columnar storage formats, vector indexes, and privacy/compliance in data products.

## Compensation
- Salary: $165K - $250K
- Equity: $100K-200K equivalent (4 year vest)
**Apply:** https://hotfix.jobs/jobs/senior-data-engineer-at-raylu-ea6a5384-ca02-4b9c-9846-222a16ef70ca
**Canonical:** https://hotfix.jobs/jobs/senior-data-engineer-at-raylu-ea6a5384-ca02-4b9c-9846-222a16ef70ca