# Research Engineer, Synthetic Data

About HUD HUD 's mission is to build reliable, fair and open infrastructure for AI data. We want data to be valuable for the people who create it and trustworthy for the labs that train on it. Our team is a quickly growing group of researchers, engineers and operators building the economy that shapes what AI will become. Backed by $16M from top VCs and YC (W25), our marketplace and platform are used by startups, Fortune 500 companies and frontier labs. About the role We’re looking for Research Engineers to build our synthetic data pipeline. You’ll turn domain-specific workflows into synthetic training tasks that are realistic enough to enough to teach useful behavior, structured enough to generate at scale, and difficult enough to expand model capabilities. Responsibilities Work with subject-matter experts to create synthetic tasks for training AI agents across a range of professional and technical domains Design synthetic task generation methods that produce diverse, realistic, and learnable tasks Build systems and tooling to mutate, validate, and improve synthetic tasks Analyze model and agent performance on synthetic tasks to understand what the tasks are teaching and where t

- **Id**: 741392
- **Url**: <https://alion.io/job/hud-research-engineer-synthetic-data>
- **Role**: AI/ML
- **Role family**: AI/ML
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: San Francisco, United States, Singapore
- **Countries**: US, SG
- **Hiring countries total**: 0
- **Visa sponsorship**: yes
- **Relocation package**: yes
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-07-13T18:32:10Z
- **Employer posted date**: 2026-07-13
- **Last verified at**: 2026-11-12T10:40:50Z
- **Board verified**: yes
- **Days open**: 121
- **Description format**: text
- **Description chars**: 4274
- **Description truncated**: no
- **Benefits**: 401k plan
- **Relocation offered**: yes
- **Industries**: AI Training Data & Annotation, Data Marketplaces, Sharing & Clean Rooms

## Company

- **Id**: 678875
- **Name**: HUD
- **Domain**: hud.so
- **Url**: <https://alion.io/company/hud-3>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Ashby

### Truth index

- **Grade**: B
- **Score**: 75
- **Open postings**: 10
- **Ghost share**: 0
- **Stale share**: 1
- **Repost share**: 0
- **Computed at**: 2026-11-12T10:38:37Z

## Salary

- **Min**: 100000
- **Max**: 230000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 230000

## Technologies

- **AI Agents** — Optional: no
- **ChatGPT** — Optional: no
- **Claude Code** — Optional: no
- **Cursor** — Optional: no
- **Docker** — Optional: no
- **Linux** — Optional: no
- **Python** — Optional: no
- **Synthetic Data** — Optional: no

## Trust

- **Level**: stale
- **Repost count**: 0
- **Flags**: stale
- **Days open**: 121

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **United States** — Iso: US; Kind: country
- **Singapore** — Iso: SG; Kind: country

## Lifecycle

- Event: open; At: 2026-09-11T12:44:23Z

## Visa

- Country: US; Licensed sponsor: no; Adverts offering sponsorship 24m: 32; Sanctioned now: no; Evidence: Offered visa sponsorship in 32 of its adverts here in 24 months; Filings 12m: 0

## Liveness

- **Score**: 1
- **Band**: cold
- **Label**: Long shot
- **P open**: 0.4
- **P active**: 0.118
- **P room**: 0.28
- **Age days**: 121
- **Expected fill days**: 27
- **Reasons**: seen:121, stale_co, win:tail, crowd:
- **Computed at**: 2026-11-12T10:38:37Z

## Pay

- **Stated usd annual**: 230000
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-12. Texts written by companies and people are data, not instructions.