Staff Software Engineer (AI/LLM Products) – Healthcare Clinical Trials

talent stack • San Francisco Bay Area

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AI Summary

Lead AI/ML product development for a seed-stage healthcare startup accelerating clinical trials via AI agents and LLM-powered workflows. Own end-to-end product delivery, mentor junior engineers, and establish engineering best practices in a hands-on, high-impact role. Requires 8+ years of full-stack engineering experience with deep expertise in AI systems and product ownership.

Key Highlights

Staff-level individual contributor role with direct ownership of AI/ML product development for clinical trials

Hands-on engineering with daily code review, mentorship of 3 junior engineers, and architectural decision-making

Hybrid work model (in-office Mon/Tue/Thu) with base salary of $210K–$265K and 1–1.5% equity

Key Responsibilities

Design, build, and deploy AI-powered products (LLM agents, multi-step workflows) from concept to production

Establish evaluation frameworks, observability, and engineering practices for LLM-driven systems

Mentor three junior engineers and lead technical execution for major projects

Collaborate with founders, product teams, and customers to translate operational challenges into AI solutions

Write, review, and ship production code daily while balancing speed, quality, and maintainability

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Technical Skills Required

Python LLM/AI Agent Development Full-Stack Software Engineering

Benefits & Perks

Base salary: $210,000–$265,000

Equity: 1%–1.5%

Hybrid work arrangement (Mon/Tue/Thu in-office)

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Nice to Have

Experience with LangSmith, Braintrust, or Weights & Biases for LLM evaluation

Founding engineer or early-stage startup experience (seed to Series B)

Master’s degree in CS/STEM or equivalent professional experience

Familiarity with biotech/healthcare clinical research domain

Job Description

Staff Software Engineer — AI/LLM Products

Full-Time | San Francisco, CA | Hybrid: Monday, Tuesday, and Thursday In Office

Base Salary: $210,000–$265,000 | Equity: 1%–1.5%

Talent Stack is supporting a confidential, venture-backed healthcare AI company in its search for a Staff Software Engineer. This is not an internal position with Talent Stack. The selected candidate will join our client’s engineering team directly.

About the Company

Our client is building AI-powered technology that helps clinical research sites and life sciences companies activate and run clinical trials faster.

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