Data Engineer (Machine Learning)

TL;DR

Data Engineer (Machine Learning): Building and maintaining production data pipelines for multimodal AI models with an accent on dataset versioning, data quality frameworks, and infrastructure for model evaluation. Focus on designing scalable ETL/ELT systems for voice and sensor data to accelerate the ML development lifecycle.

Location: San Francisco, USA

Compensation: $170K - $240K

Company

hirify.global is an AI company designing a new kind of computer focused on integrating lifelike voice agents into daily life.

What you will do

• Design and build production data pipelines for conversational, voice, and multimodal data used in model training.
• Collaborate with ML engineers to define data requirements and deliver high-quality datasets for experiments.
• Implement infrastructure for dataset versioning, lineage tracking, and reproducibility.
• Develop data quality frameworks including schema validation, drift detection, and coverage monitoring.
• Optimize large-scale data processing for cost and performance on cloud infrastructure.
• Build internal tooling to enable ML researchers to discover and request data independently.

Requirements

• 5+ years in data engineering with specific experience supporting ML or AI teams.
• Strong proficiency in SQL and Python.
• Experience building scalable ETL/ELT pipelines using orchestration tools like Airflow, Dagster, or Prefect.
• Hands-on experience with ML data workflows, including labeling and versioning.
• Comfort working with unstructured and semi-structured data (audio, text, JSON logs).
• Must be based in San Francisco.

Nice to have

• Experience with vector databases, embedding storage, or feature stores.
• Knowledge of telemetry and sensor data from hardware or embedded systems.
• Proficiency with distributed compute frameworks like Ray or Spark.
• Experience with Kubernetes (GKE or EKS).
• Familiarity with data privacy frameworks for conversational and voice data.

Culture & Benefits

• 401(k) with up to 3.5% employer match.
• 100% employer-paid health, vision, and dental benefits for employees and dependents.
• Unlimited PTO and sick time.
• Medical FSA with employer matching up to $1,650/year.
• Competitive stock options to share in the company's success.