Xaira Therapeutics

Software Engineer, X-Scientist

South San Francisco, California, United States · Mid

Sponsorship not specified$140k-$215kDetected 41 days ago

PythonMachine LearningLLMsAgentic AIAI OrchestrationBioinformaticsResearchCommunication

About the role

On the X-Scientist team, you will work at the intersection of AI, software engineering, and therapeutic discovery.
This role spans backend systems, APIs, tool-calling infrastructure, workflow orchestration, developer-facing SDKs and CLIs, and agentic interfaces that help scientists run analyses, inspect intermediate steps, and iterate on results.

Design reliable systems for long-running, multi-step workflows with strong testing, observability, logging, and maintainability.
Collaborate with scientific and technical teams to turn complex research workflows into usable, extensible software.
Experience building at least one of the following: a production library, CLI, API, SDK, backend service, workflow system, or developer platform.
Xaira Therapeutics is 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.
Our goal to build a diverse and inclusive team began on day one, and it will never end.

Familiarity with LLM application development, agent frameworks, tool calling, MCP-style interfaces, or orchestration systems.
Comfort working with complex systems that combine multiple components, external calls, domain-specific logic, and evolving user needs.
Strong communication skills and ability to work in a collaborative, multidisciplinary environment.

Familiarity with biomedical databases or tools such as PubMed, UniProt, AlphaFold, PDB, DepMap, or related resources.
Curiosity about biology and scientific research
you do not need a biology background, but you should be excited to learn the domain and work closely with scientists and ML researchers.
however, the base pay offered may vary depending on market, job-related knowledge, skills and capabilities, and experience.
Xaira Therapeutics is an equal-opportunity employer.
We believe that our strength is in our differences.
TO ALL RECRUITMENT AGENCIES: Xaira Therapeutics does not accept agency resumes.
Please do not forward resumes to our jobs alias or employees.

About Xaira Therapeutics
Xaira is an innovative biotech startup focused on leveraging AI to transform drug discovery and development.
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.

We offer a competitive compensation and benefits package, including base salary, bonus, and equity. The base pay range for this position is expected to be $140,000 - $215,000 annually
however, the base pay offered may vary depending on market, job-related knowledge, skills and capabilities, and experience.

We are building predictive and agentic AI systems across drug discovery, and the X-Scientist team accelerates this mission by making AI-assisted science reliable, usable, and scalable across drug discovery workflows.
What We're Looking For

This listing is sourced directly from Xaira Therapeutics's careers page and normalized into a canonical job model.