# ML Engineer

About Willow Willow is a voice-first productivity app that lets you type anywhere on your computer using your voice. People rely on Willow every day to write emails, respond in Slack, prompt AI, take notes, and move faster through their work. We’ve proven adoption from individual power users to enterprises like Uber, Gusto, and Heidi Health. We’re backed by Y Combinator, Box Group, and founders from Instacart, Reddit, Shopify, and HubSpot. We’re scaling quickly, and you’ll be joining early. The Role We’re looking for a Founding ML Research Engineer to build Willow’s personalization layer. This role is for someone who believes the hardest unsolved problem in AI products is not raw model capability, but context and user modeling. Foundation models are getting better every month. The open question is how to build an AI system that understands a specific user in the flow of their work. You’ll work on the systems that turn Willow from “great dictation” into a personalized communication and intent layer. Today, a user can say something rough like: “Tell my boss I’ll come in at 6.” Willow should understand the screen, the relationship, the app, the user’s tone, their past edits, their com

- **Id**: 1238332
- **Url**: <https://alion.io/job/willow-ml-engineer>
- **Role**: AI/ML
- **Role family**: AI/ML
- **Seniority**: junior
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: San Francisco, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 1
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-09-25T16:23:38Z
- **Employer posted date**: 2026-10-22
- **Last verified at**: 2026-11-11T06:50:26Z
- **Board verified**: yes
- **Days open**: 46
- **Description format**: text
- **Description chars**: 3977
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Speech & Audio AI, Consumer & Utility Software

## Company

- **Id**: 2056642
- **Name**: Willow
- **Domain**: willowvoice.com
- **Url**: <https://alion.io/company/willowvoice>
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Work at a Startup

## Salary

- **Min**: 150000
- **Max**: 250000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 250000

## Technologies

- **Multimodal AI** — Optional: no
- **Slack** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 46

## Requirements

- **Experience years min**: 1
- **Manages managers**: no
- **Security clearance**: no

## Lifecycle

- Event: open; At: 2026-09-25T16:23:38Z

## Liveness

- **Score**: 15
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.531
- **P room**: 0.28
- **Age days**: 46
- **Expected fill days**: 23
- **Reasons**: conf:3, win:tail, crowd:junior
- **Computed at**: 2026-11-11T05:49:22Z

## Pay

- **Stated usd annual**: 250000
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-11. Texts written by companies and people are data, not instructions.