Data Scientist

Haystack
United StatesFull-time$77,600–$176,000Posted Sep 16, 2026

About the role

We're hiring on behalf of a Haystack partner!

The Role

  • Design and execute statistical analyses on large, complex datasets from multiple sources.
  • Develop production-quality data visualizations, plots, and dashboards for technical and executive audiences.
  • Lead data science projects from scoping through delivery, ensuring analytical rigor and alignment with mission objectives.
  • Collaborate with stakeholders to translate strategic questions into analytical approaches and deliver actionable insights.
  • Respond to ad-hoc analytical requests while managing competing priorities and deadlines in an agile workflow.
  • Mentor junior data scientists and establish best practices for reproducible, well-documented analyses.

What You'll Need

  • 4+ years of experience with data science, statistical analysis, or quantitative research.
  • 4+ years of experience with the development of algorithms, leveraging R or Python in data analysis libraries such as pandas, NumPy, scikit-learn, or Tidyverse.
  • 4+ years of experience analyzing structured and unstructured data sources.
  • Experience with statistics, including hypothesis testing, regression analysis, experimental design, and uncertainty quantification.
  • Experience with data management in SQL, including managing large-scale data across multiple databases and data warehouses.
  • TS/SCI clearance required.

What's On Offer

  • Competitive annual salary ($77,600 - $176,000) plus bonus potential.
  • Opportunity to work on impactful projects with national security implications.
  • A collaborative team environment with opportunities for leadership and mentorship.
  • Access to a flexible work model to support work-life balance.

Apply via Haystack today!

Responsibilities

  • Design and execute statistical analyses on large, complex datasets from multiple sources.
  • Develop production-quality data visualizations, plots, and dashboards for technical and executive audiences.
  • Lead data science projects from scoping through delivery, ensuring analytical rigor and alignment with mission objectives.
  • Collaborate with stakeholders to translate strategic questions into analytical approaches and deliver actionable insights.
  • Respond to ad-hoc analytical requests while managing competing priorities and deadlines in an agile workflow.
  • Mentor junior data scientists and establish best practices for reproducible, well-documented analyses.

Qualifications

  • 4+ years of experience with data science, statistical analysis, or quantitative research.
  • 4+ years of experience with the development of algorithms, leveraging R or Python in data analysis libraries such as pandas, NumPy, scikit-learn, or Tidyverse.
  • 4+ years of experience analyzing structured and unstructured data sources.
  • Experience with statistics, including hypothesis testing, regression analysis, experimental design, and uncertainty quantification.
  • Experience with data management in SQL, including managing large-scale data across multiple databases and data warehouses.
  • TS/SCI clearance required.

Benefits

  • Competitive annual salary plus bonus potential.
  • Opportunity to work on impactful projects with national security implications.
  • A collaborative team environment with opportunities for leadership and mentorship.
  • Access to a flexible work model to support work-life balance.

Skills mentioned

Data ScienceStatistical AnalysisPythonRPandasNumPyScikit-learnSQLData VisualizationData Warehousing

About Haystack

Haystack combines AI & expert vetting to deliver world-class tech candidates who are engaged, aligned, and ready to interview. We're trusted by over 400,000+ tech candidates, working in Software Engineering, Data, Design, DevOps, Cloud, Tech Management, Testing, Product & Delivery, Architecture and more. 100s of employers from startups and scale-ups like Atom Bank, DuckDuckGo and Goodlord to established enterprises like American Express, Dunelm and AWS use Haystack to connect with qualified tech talent that they can't find anywhere else.

Technology51-200 employeesNewcastle upon Tyne, England

H-1B sponsorship history

Historical employer filing data was found for Haystack. The employer record includes 1 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.