AI Scientist, Computational Protein Design at Xaira Therapeutics (South San Francisco)
Job Description
Xaira Therapeutics is hiring an AI Scientist in computational protein design for its core AI team. The scientist develops new deep learning methods for designing proteins and antibodies, starting and leading projects that advance state-of-the-art models for biology in drug discovery. The ad welcomes entry-level, mid-level and senior candidates with a record of AI innovation in publications or interdisciplinary projects.
At a glance
- Team: Core AI team
- Location: South San Francisco, California
- Pay: $120,000 – $240,000 a year, as listed
- Levels: Entry, mid and senior welcome
- Apply: open until filled (re-checked 14 October 2026)
What you would do
- Develop and implement new deep learning methods for protein and antibody design
- Start and drive projects that push state-of-the-art AI models for biology
- Work with experts in biology, drug discovery and clinical development
- Turn model advances into designs that can be tested in the lab
Why this role matters
Generative models such as protein diffusion models now design binders and enzymes that never existed in nature, and several of them came from the groups whose founders now lead Xaira. The company is one of the best-funded AI drug-discovery start-ups, so its AI scientists work on frontier models with direct lab testing and a clear path to medicines.
What Xaira Therapeutics is looking for
- Experience developing and implementing new deep learning methods
- A record of AI innovation, through ML publications or interdisciplinary projects
- Strong programming and model-training skills
Nice to have
- Experience with protein structure models, diffusion models or antibody design
Pay and location
Xaira lists $120,000 to $240,000 a year, depending on level and experience.
How to apply
Apply through the official Xaira Therapeutics job posting. Xaira Therapeutics’s posting does not give a closing date, so the role is open until filled; ResearchJobs.in will re-check this listing on 14 October 2026. Check the posting for location and work-authorisation details before you apply.
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Hiring institution: Xaira Therapeutics
Official advertisement: job-boards.greenhouse.io
How to prepare for this application
- Show new methods: models you designed, not only ones you applied.
- Biology is welcome but not required: strong ML researchers from other fields can apply.
- Know the field: read recent protein design papers such as RFdiffusion and its successors.
- Pick your level: the ad is open from entry to senior.
About Xaira Therapeutics
Xaira is a biotech start-up using AI to discover and develop medicines. It builds generative models to design protein and antibody drugs against hard-to-drug targets, and foundation models of biology and disease for target discovery and patient selection. It is based in the San Francisco Bay Area, Seattle and London.
