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Day One Partners

Software Engineer (KP backed AI Start-up)

Day One Partners, San Francisco

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Software Engineer (KP backed AI Start-up)

Software Engineer (KP backed AI Start-up)

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About Day One Partners

Day One Partners is a search firm that partners with venture capital firms to help build high-growth startups. We lead confidential searches for leadership and critical roles across a range of company stages, industries, and functions

About the Role

Join our client, a mission-driven AI startup transforming drug development. Inspired by the enormous inefficiencies in how therapies reach patients today, our client is building the autonomy software stack to eliminate bottlenecks in drug development. Picture coordinating a drug launch as complex as a rocket launch—our client is using AI and modern data infrastructure to simplify this task and help get life-changing therapies to patients faster.

You’ll join an engineering-led team that merges Silicon Valley software innovation with deep life sciences expertise. At this critical early stage, your contributions will directly help solve one of the pharmaceutical industry's most urgent challenges: streamlining the journey from drug discovery to commercialization.

Key Responsibilities

  • Build and scale AI-powered tools using LLMs, modern data infrastructure, and cutting-edge web technologies.
  • Own product features end-to-end, working across large-scale data pipelines and intuitive web applications.
  • Collaborate directly with customers—from emerging biotechs to major pharma firms—to solve real-world coordination and decision-making challenges.
  • Rapidly prototype, iterate, and ship solutions that unify and analyze critical datasets to optimize drug development decisions.
  • Enhance decision-support systems relied upon by industry professionals to accelerate therapies to market.

Qualifications & Skills

  • 2+ years as a generalist or full-stack software engineer.
  • Degree in Computer Science, Computer Engineering, or equivalent.
  • Experience across backend, frontend, and data pipeline development.
  • Problem-solver with strong analytical skills and an ownership mindset.
  • Comfortable in a fast-paced, high-impact startup environment.

Nice to Have:

  • Previous experience in high-growth startups.
  • Interest in the life sciences or experience working with biotech datasets.

Why Join?

  • Directly address one of the biopharma industry's biggest challenges: inefficient drug development.
  • Build transformative AI tools that help bring therapies to patients faster.
  • Own features end-to-end and work alongside early customers.
  • Join a venture-backed startup supported by top investors and visionary founders.
  • Be part of a dedicated, interdisciplinary team where your work truly matters.

How to Apply

Passionate about tackling meaningful problems at the intersection of software and science? Apply now to shape the future of drug development with our client’s dynamic, impact-focused team.

Seniority level

  • Seniority level

    Not Applicable

Employment type

  • Employment type

    Full-time

Job function

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