← Back to search

Senior Software Engineer, X-Scientist

Xaira Therapeutics · South San Francisco, CA

RoleLantern checked active
ResearchCompany career page

RoleLantern re-checked this role's application link recently and it was active — the employer has not confirmed it directly.

Role summary

Xaira Therapeutics seeks a Senior Software Engineer to build backend systems, APIs, and developer tools that connect AI models with scientific workflows in drug discovery. The role involves designing reliable infrastructure for tool-calling, workflow orchestration, and agentic interfaces used by scientists and researchers. Strong Python engineering, production software experience, and familiarity with LLM applications are essential.

Where this listing comes from

This listing was compiled by RoleLantern from the employer's publicly available posting on Greenhouse, captured and rephrased by RoleLantern using automated (AI) tools on 2026-10-03 (originally posted 2026-08-18). It was not submitted or confirmed by the employer through RoleLantern. Details may be inaccurate, incomplete, outdated, or no longer available; please confirm with the employer's official posting before applying.

What they're looking for

  • Strong Python engineering with clean, typed, tested, maintainable code
  • Production experience building library, CLI, API, SDK, backend service, or workflow system
  • Familiarity with LLM development, agent frameworks, tool calling, or orchestration systems
  • Ability to design reliable systems handling multiple components, external calls, and domain logic
  • Strong communication and collaboration in multidisciplinary teams

What you'll be doing

  • Build backend systems and APIs connecting AI models to scientific tools and datasets
  • Develop tool-calling infrastructure, CLIs, SDKs, and workflow runners for scientists
  • Create agentic interfaces enabling users to run analyses and iterate on results
  • Implement observability and testing for long-running workflows with external tool calls
  • Collaborate with scientific teams translating research workflows into extensible software

Privacy & handoff

This role links to Xaira Therapeutics's own application system. RoleLantern records your interest and checks the link, but the application happens on the employer's site and status updates may not come back to us. Clicking apply does not mark you as applied automatically.

What RoleLantern checked

RoleLantern compiled this listing from the employer's public posting. We check that the application link is live and how recently the role appeared — the employer has not submitted or confirmed it on RoleLantern.

RoleLantern checked active
RoleLantern checkedNeeds clarity

“RoleLantern checked active” means only that the application link was working when we last checked, on the date shown. It is not a guarantee that the role, employer, or any statement in the posting is accurate, current, lawful, or legitimate.

Date posted47 days ago
Last source check1 day ago
Salary listedNeeds clarity
Location clearClear
Something look off? Let us know and we may ask the employer to verify it.

See how you match this role

Upload your CV to see which of this role's requirements your background supports, where there may be gaps, and what needs clarification. Private by default — we don't sell your CV to advertisers or data brokers.

See my match

Similar roles

Revolution Medicines logo
Temp Sr. Research Associate DMPK
Revolution Medicines · Redwood City, CA
Associate Scientist/Scientist I, Molecular Function
Profluent · Emeryville, CA +1 more
Thermo Fisher Scientific logo
Systems Scientist, Product Development
Thermo Fisher Scientific · Pleasanton, CA
Eurofins logo
Scientist
Eurofins · San Diego, CA
Eurofins logo
Scientist I
Eurofins · San Diego, CA
Eurofins logo
Scientist II: Kinase Screening & Profiling
Eurofins · San Diego, CA