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PhaseV

Senior Data Scientist at PhaseV

near Boston, MA · Posted Sep 24, 2026 · Seen live today

No pay listed; 71% of data and analytics postings here list pay

Apply on PhaseV's site See your match score

About the posting

“This position offers autonomy and the ability to make an impact on a growing business.”

Read the full posting on PhaseV's site

Seen live Oct 23, 2026; first seen Oct 22, 2026.

Pay in context

PhaseV does not list pay for this role. 71 percent of data and analytics postings near Boston, MA do; their median is $152,500.

How long it has been open

Posted Sep 24, 2026, 29 days ago, and seen on PhaseV's careers page today.

At 29 days old, it is under the 43-day median.

PhaseV at a glance

PhaseV has 11 open postings that we can see, 1 in data and analytics; 9 percent list pay.

The application

Applying goes through Greenhouse.

Trailhead fills Greenhouse, Lever and Ashby forms on your computer; on the phone and on other systems it hands you your answers and your resume.

Seniority

Level: senior.

The posting mentions 3+ years.

Place and cost of living

On site near Boston, MA; prices in MA run 6 percent above the US average.

More data and analytics jobs near Boston, MA that list pay

The data and analytics market near Boston, MA

24 data and analytics postings near Boston, MA are open right now, from 15 employers.

Half of them have been open 43 days or less.

From PhaseV's posting

This is PhaseV's own text, as published on its job board. We last checked it on Oct 23, 2026. Apply on PhaseV's site. We remove a posting when the employer closes it.

Apply on PhaseV's site

Company Overview

PhaseV (HQ in Boston, R&D in Tel Aviv) is a cutting-edge startup, pushing innovation in the drug development process to bring new treatments to more patients, in a more efficient and precise way. Leveraging the power of advanced causal inference and pushing the boundaries of machine learning, PhaseV detects hidden signals in clinical data and extracts actionable insights for planning the optimal trial. The company's proprietary ML-based platform for adaptive clinical trial design and closed-loop execution enables sponsors to easily and quickly unlock the potential of adaptive clinical trials, reveal the optimal adaptive design to meet their trial objectives and execute more efficient, more precise, and more successful clinical trials. Collaborating with 7 of the top pharmaceutical companies, as well as multiple CROs and biotechs, we are poised to make a significant impact on how drugs are developed and brought to market.

Position Overview

We are seeking a talented Data Scientist to join our team of researchers. The ideal candidate will have a strong foundation in machine learning and statistics with an interest in causal inference. This is an integral role on our team with opportunity to interface with our clients directly. Strong communication skills and the ability to navigate ambiguity with a sense of proactiveness is a must. This position offers autonomy and the ability to make an impact on a growing business.

A couple of recent preprints we’ve released to get a sense of the challenges:

  • Causal Responder Detection (https://arxiv.org/abs/2406.17571)
  • Robust CATE Estimation Using Novel Ensemble Methods. (https://arxiv.org/abs/2407.03690)

Key Responsibilities

Technical Development

  • Implement and optimize ML algorithms, with a focus on causal ML applications in clinical trials
  • Collaborate with senior data scientists to develop and improve our analytical platforms
  • Work alongside clinical and biological experts to translate complex problems into technical solutions

Research & Analysis

  • Conduct rigorous statistical analyses of both randomized and observational data
  • Develop and validate methods for responder identification and treatment effect estimation
  • Document and present methodologies and results for internal and external stakeholders

Collaboration

  • Work cross-functionally with engineering, product, and business development teams
  • Contribute to technical discussions and peer code reviews
  • Support the preparation of technical documentation and research papers

Qualifications

Education

  • Master's in Computer Science, Statistics, Data Science, Engineering or a related field
  • Ph.D. is an advantage but not required

Experience

  • 3+ years of experience in data science or machine learning roles
  • Experience with ML in a practical research or industry setting
  • Background in statistical modeling and analysis
  • Work experience in a biotechnology/life sciences environment

Skills

  • Strong programming skills in Python (R in addition - an advantage)
  • Proficiency in statistical analysis and machine learning
  • Experience with data visualization and communication of technical concepts
  • Ability to communicate results clearly and effectively
  • Strong analytical and problem-solving skills

Preferred

  • Familiarity with causal inference concepts
  • Experience with large-scale data processing

What We Offer

  • Join us on a mission to bring more effective drugs to more patients.
  • The opportunity to work with an amazing team passionate about making a real-world impact.
  • Extremely hard and diverse problem setting, in which the team is pushing the envelope.
  • A collaborative and dynamic startup environment.
  • Professional growth and development opportunities.

Apply on PhaseV's site

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