
PhaseV is a Boston-based technology company that leverages advanced causal machine learning and GenAI, augmented by an expansive data lake and real-world data (RWD), to empower biopharma sponsors and CROs with fast, accurate, and efficient clinical development decisions. The company offers a comprehensive suite of AI-powered solutions that optimize every phase of the clinical trial process, helping clients to rapidly design and implement adaptive and Bayesian clinical trials, analyze data for heterogeneous treatment effects, and improve trial planning. With over 30 biopharma and CRO customers and a commitment to transforming clinical development, PhaseV is positioned to bring new treatments to patients more efficiently.

PhaseV is a Boston-based technology company that leverages advanced causal machine learning and GenAI, augmented by an expansive data lake and real-world data (RWD), to empower biopharma sponsors and CROs with fast, accurate, and efficient clinical development decisions. The company offers a comprehensive suite of AI-powered solutions that optimize every phase of the clinical trial process, helping clients to rapidly design and implement adaptive and Bayesian clinical trials, analyze data for heterogeneous treatment effects, and improve trial planning. With over 30 biopharma and CRO customers and a commitment to transforming clinical development, PhaseV is positioned to bring new treatments to patients more efficiently.
Founded: 2023
Headquarters: Cambridge / Boston, MA
Sector: AI/ML for clinical trial optimization (biopharma/CRO)
Customers: 30–45+ biopharma and CRO customers (company claims)
Funding: Series A on 2025-05-13; total funding reported ~$65M
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Clinical trial design and operations optimization, subgroup/heterogeneous treatment effect analysis, adaptive and Bayesian trial implementation.
2023
Pharmaceutical Manufacturing
Seed round participation included Viola Ventures
Series A reported as led by Accel and Insight Partners
“Participation from Accel, Insight Partners, Exor Ventures, Viola Ventures, LionBird”
Position Overview
PhaseV is a technology company that redefines clinical development at scale with its enterprise-ready, multi-modal AI/ML platform. With over $65M raised from top investors, we are poised to make a significant impact on how drugs are developed and brought to market - ultimately helping effective treatments reach patients faster.
We are seeking a talented and driven Applied AI Engineer to join our team. This is a unique opportunity to have a direct and real-world impact using AI by helping redefine how clinical trials are designed, optimized, and run. As an Applied AI Engineer, you will also join a high-caliber, multidisciplinary, cross-functional team spanning engineering, data science, and product.
This role sits at the intersection of applied AI and product development, with a strong focus on building, deploying, and supporting production-grade AI systems that operate at scale. The ideal candidate will have a strong foundation in NLP and LLMs alongside proven experience building AI-powered services.
Key Responsibilities
Technical Development:
Research & Analysis:
Collaboration:
Qualifications
Education:
Experience:
Skills:
Preferred: