Data Engineer

Qloo-posted 2 days ago
Full-time • Mid Level
Hybrid • New York City, NY
11-50 employees
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At Qloo, we harness large-scale behavioral and catalog data to power recommendations and insights across entertainment, dining, travel, retail, and more. Our platform is built on a modern AWS data stack and supports analytics, APIs, and machine-learning models used by leading brands. We are looking for an experienced Data Engineer to help evolve and scale this platform. Role Overview As a Data Engineer at Qloo, you will design, build, and operate the pipelines that move data from external vendors, internal systems, and public sources into our S3-based data lake and downstream services. You’ll work across AWS Glue, EMR (Spark), Athena/Hive, and Airflow (MWAA) to ensure that our data is accurate, well-modeled, and efficiently accessible for analytics, indexing, and machine-learning workloads. You should be comfortable owning end-to-end data flows, from ingestion and transformation to quality checks, monitoring, and performance tuning.

  • Design, develop, and maintain batch data pipelines using Python, Spark (EMR), and AWS Glue, loading data from S3, RDS, and external sources into Hive/Athena tables.
  • Model datasets in our S3/Hive data lake to support analytics (Hex), API use cases, Elasticsearch indexes, and ML models.
  • Implement and operate workflows in Airflow (MWAA), including dependency management, scheduling, retries, and alerting via Slack.
  • Build robust data quality and validation checks (schema validation, freshness/volume checks, anomaly detection) and ensure issues are surfaced quickly with monitoring and alerts.
  • Optimize jobs for cost and performance (partitioning, file formats, join strategies, proper use of EMR/Glue resources).
  • Collaborate closely with data scientists, ML engineers, and application engineers to understand data requirements and design schemas and pipelines that serve multiple use cases.
  • Contribute to internal tooling and shared libraries that make working with our data platform faster, safer, and more consistent.
  • Document pipelines, datasets, and best practices so the broader team can easily understand and work with our data.
  • B achelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
  • Experience with Python and distributed data processing using Spark (PySpark) on EMR or a similar environment.
  • Hands-on experience with core AWS data services, ideally including:
  • S3 (data lake, partitioning, lifecycle management)
  • AWS Glue (jobs, crawlers, catalogs)
  • EMR or other managed Spark platforms
  • Athena/Hive and SQL for querying large datasets
  • Relational databases such as RDS (PostgreSQL/MySQL or similar)
  • Experience building and operating workflows in Airflow (MWAA experience is a plus).
  • Strong SQL skills and familiarity with data modeling concepts for analytics and APIs.
  • Solid understanding of data quality practices (testing, validation frameworks, monitoring/observability).
  • Comfortable working in a collaborative environment, managing multiple projects, and owning systems end-to-end.
  • Competitive salary and benefits package, including health insurance, retirement plan, and paid time off.
  • The opportunity to shape a modern cloud-based data platform that powers real products and ML experiences.
  • A collaborative, low-ego work environment where your ideas are valued and your contributions are visible.
  • Flexible work arrangements (remote and hybrid options) and a healthy respect for work-life balance.
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