Senior Scientist, Machine Learning

Flagship Pioneering, Inc.Cambridge, MA
$168,000 - $258,500

About The Position

Flagship Labs 129 (FL129) is an early-stage biotechnology startup with an ambitious and exciting mission: to develop a technology to facilitate the data generation necessary for training the next generation of generative chemistry models to unlock the future of small molecule drug discovery. FL129 is developing a revolutionary approach to this challenge and is recruiting a team of top-tier scientists to build this powerful and first-in-category platform. This is a unique opportunity to be one of the first employees of a biotech startup that combines an innovative mindset with the resources and know-how of Flagship Pioneering. We are seeking a motivated and highly collaborative Senior Scientist to join FL129’s growing team of experimental and computational scientists to build a novel platform technology. The successful candidate will have strong track record of scientific and technical innovation in machine learning for molecular modeling (proteins and/ small molecule ligands). Additional experience with computational docking methods is preferred. The ideal teammate will be highly adaptable, have strong organizational and communication skills, and will thrive in a highly collaborative and multidisciplinary environment.

Requirements

  • Ph.D. in machine learning, computational biology, or a similar field with 5+ years of industry or postdoctoral experience.
  • Familiarity with SOTA models such as Boltz-2, ESM-2, Chai-2 and related.
  • Experience training and fine-tuning molecular models for tasks such as: protein language modeling, protein structure prediction, binder prediction, protein design, protein engineering, small molecule pose prediction, and related.
  • Experience curating publicly available datasets, including mutational scanning data.
  • Expertise with a high-level programming language such as Python and modern HPC and cloud compute workflows.
  • Motivated team-player and independent force-of-nature with strong organizational and written/verbal communication skills.

Nice To Haves

  • Deep structural understanding of proteins.
  • Additional experience with computational docking methods is preferred.

Responsibilities

  • Technology development, aligned with FL129’s core strategic goals. This role is among the first hires, and we’re looking for someone who thinks critically and will influence the company’s scientific direction.
  • Development, training, validation, and application of novel generative chemistry and molecular models
  • Curate training and benchmark datasets, and design and implement rigorous benchmarks to assess model performance.
  • Optimize existing workflows and establish best experimental and documentation practices to enable platform excellence.
  • Close collaboration with wet lab scientific team to drive achievement of key project goals.
  • Translate experimental data into meaningful insights and present results at team meetings.

Benefits

  • healthcare coverage
  • annual incentive program
  • retirement benefits
  • Weekly lunches
  • monthly social events
  • community lunchroom with free snacks, coffee
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