
Xaira Therapeutics is an integrated biotechnology company driving advances in artificial intelligence to learn the language of life and transform how we treat disease. The company seeks to rethink…

Xaira Therapeutics is an integrated biotechnology company driving advances in artificial intelligence to learn the language of life and transform how we treat disease. The company seeks to rethink…
What they do: AI-driven, end-to-end drug discovery and therapeutic development
HQ: South San Francisco, CA
Founded: 2023
Reported funding: $1B Series A (announced April 24, 2024)
Notable backers: ARCH Venture Partners, Foresite Capital / Foresite Labs
AI-enabled drug discovery and therapeutic development
2023
Biotechnology Research
$1 billion
Company launched/incubated with this initial funding package.
“Backed and incubated by top-tier life sciences investors including ARCH Venture Partners and Foresite Capital; additional investors reported to include F-Prime, NEA, Sequoia Capital, Lux Capital, Lightspeed Venture Partners, Menlo Ventures, Two Sigma Ventures and SV Angel.”
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About Xaira Therapeutics
Xaira is an innovative biotech startup focused on leveraging AI to transform drug discovery and development. The company is leading the development of generative AI models to design protein and antibody therapeutics, enabling the creation of medicines against historically hard-to-drug molecular targets. It is also developing foundation models for biology and disease to enable better target elucidation and patient stratification. Collectively, these technologies aim to continually enable the identification of novel therapies and to improve success in drug development. Xaira is headquartered in the San Francisco Bay Area, Seattle, and London.
About the Role
We are seeking a Research Engineer to join our interdisciplinary AI team, working at the intersection of machine learning and therapeutic discovery. In this role, you will collaborate closely with AI scientists, engineers, and drug discovery experts to design, build, and deploy AI systems that accelerate the identification and development of novel therapeutics.
This role spans a range of problem spaces, from building production-grade machine learning systems for biological data to developing next-generation AI agents that can reason over complex biomedical information. Depending on your background and interests, you may focus on applied ML systems, agentic AI, or a combination of both.
We are particularly interested in candidates who are excited to translate cutting-edge advances in AI into real-world impact within drug discovery, and who are comfortable working in fast-paced, cross-functional environments.
What You Will Do
Depending on your focus, you may also:
Leveling
We are hiring across levels and are open to candidates with a range of experience:
For more experienced candidates (Senior level):
For candidates earlier in their careers:
Preferred Skills and Qualifications
Compensation
We offer a competitive compensation and benefits package, seeking to provide an open, flexible, and friendly work environment to empower employees and provide them with a platform to develop their long-term careers. A Summary of Benefits is available for all applicants. We offer a competitive package that includes base salary, bonus, and equity. The base pay range for this position is expected to be $190,000 - $280,000 annually; however, the base pay offered may vary depending on the market, job-related knowledge, skills and capabilities, and experience.
Xaira Therapeutics an equal-opportunity employer. We believe that our strength is in our differences. Our goal to build a diverse and inclusive team began on day one, and it will never end.
TO ALL RECRUITMENT AGENCIES: Xaira Therapeutics does not accept agency resumes. Please do not forward resumes to our jobs alias or employees. Xaira Therapeutics is not responsible for any fees related to unsolicited resumes.
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