Remote Chemical Data Scientist - Build Data Pipelines

Valdera Inc.; San Francisco (CA); Remote; USD 150,000 - 210,000; Full time

Job summary

Valdera Inc. is hiring a Chemical Data Scientist to build and maintain pipelines that keep supplier and chemical product data accurate, current, and structured.

The role focuses on data quality, CAS numbers, certifications, and regulatory documents sourced from thousands of catalogs. You will own the full data pipeline—from scrapers and ETL workflows to cleaning, matching, and classification models—collaborating with Supplier Management and Engineering to ensure coverage and accuracy for buyers

Qualifications

• BSc/MS in a quantitative field or equivalent experience.
• Strong Python and data engineering foundation.
• Experience handling messy industrial datasets and chemical data.

Responsibilities

• Design and maintain data pipelines for supplier and chemical product data.
• Develop and run web scrapers and ETL workflows at scale.
• Clean, normalize, and reconcile data across suppliers and products.
• Apply chemical domain knowledge to validate data like CAS numbers and certifications.
• Improve matching and classification models mapping suppliers/products to requirements.
• Collaborate with Sustainability and Engineering teams to close data gaps.

Skills

Python

Web scraping

Data pipelines

Data cleaning

ML models

LLMs

Independent work

Education

Bachelor's degree in a related field

Tools

SQL

Airflow

Beautiful Soup

Job description

Valdera Inc. is hiring a Chemical Data Scientist to build and maintain pipelines that keep supplier and chemical product data accurate, current, and structured.

The role focuses on data quality, CAS numbers, certifications, and regulatory documents sourced from thousands of catalogs. You will own the full data pipeline—from scrapers and ETL workflows to cleaning, matching, and classification models—collaborating with Supplier Management and Engineering to ensure coverage and accuracy for buyers