# Senior / Staff Software Engineer (SF/NY)

**Company:** [Fractional AI](https://hotfix.jobs/companies/fractional-ai)
**Location:** San Francisco, CA, New York, NY
**Role:** ML Engineering
**Salary:** $230k – $350k/yr
**Experience:** 8+ years
**Skills:** Python, LLMs, Ai Systems, System Design, Production Ai, Eval Frameworks, API Integrations, Data Curation, Kubernetes
**Posted:** 2026-04-28

> Senior/Staff Software Engineer builds end-to-end AI products for clients, spending 75% time coding and 25% with stakeholders like CTOs. Requires 8+ years experience shipping products, applying software engineering to AI systems with high ownership.

## Job Description

## Responsibilities
- Own end-to-end technical outcomes on a small team (2–5 engineers and a PM) building AI products for clients.
- Set technical direction, write code (75% of time), and solve hard problems.
- Work directly with clients (25% of time), including CTOs, to understand problems, discuss tradeoffs, and ensure solutions meet needs.

## Requirements
- 8+ years of engineering experience with deep care for the craft.
- Shipped multiple complete products end-to-end and write elegant, production-ready code across multiple disciplines.
- Specific interest in applying software engineering fundamentals to AI systems, balancing frontier model capabilities with good system design.
- Comfort talking with senior technical stakeholders and navigating conversations skillfully.
- High ownership mindset: jump in without instruction, embrace "no job too big, no job too small," shape strategy and culture.
- Low ego, high integrity: help others, ask for help, hold high bar for honesty.

## Nice-to-Haves
- Experience as former engineering leaders (IC or EM) or founders.
- Interest in Applied AI engineering practices.

## Compensation & Benefits
- Competitive compensation package aligned with experience and skills.
- 401k with matching.
- Unlimited PTO.
- Exceptional medical, dental, and vision coverage.
- Health FSA.
- Commuter benefits.
- Life insurance.
- Team events and activities.

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**Apply:** https://hotfix.jobs/jobs/21b3e63e-16d5-4495-a4eb-cb797436d773
**Canonical:** https://hotfix.jobs/jobs/21b3e63e-16d5-4495-a4eb-cb797436d773