# Staff Machine Learning Engineer, Content Understanding & Moderation

Unity Ads serves billions of ad requests across hundreds of thousands of mobile games. Every one of those requests involves content on both sides: an ad creative we are about to show, and a game we are about to show it for. Understanding that content- what is in it, who it is appropriate for, and whether it belongs on the network at all - underpins both the safety of the marketplace and its relevance. The Content Understanding and Moderation charter coversrepresentation, turning creatives and games into signals our models can use, and enforcement, detecting and acting on content that violates policy, regulation, or advertiser and publisher expectations. These are deliberately a single charter: the same multimodal understanding that improves relevance is what makes moderation possible at scale. The Role We are seeking a staff machine learning engineer to define how Unity understands and moderates the content flowing through its ad network. You will work closely with a world-class modeling team to power the recommendation for billions of users, while keeping them safe from bad content. What You’ll Do Define the multimodal content representation strategy across video, image, playable,

- **Id**: 992978
- **Url**: <https://alion.io/job/unity-technologies-staff-machine-learning-engineer-content-understanding-moderation>
- **Role**: AI/ML
- **Role family**: AI/ML
- **Seniority**: staff
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Beijing, China, Shanghai, China
- **Countries**: CN
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: yes
- **Status**: live
- **First seen at**: 2026-09-15T00:00:00Z
- **Employer posted date**: 2026-09-15
- **Last verified at**: 2026-11-06T13:42:05Z
- **Board verified**: yes
- **Days open**: 52
- **Description format**: text
- **Description chars**: 6415
- **Description truncated**: no
- **Benefits**: Equity, Generous vacation, Retirement plans
- **Relocation offered**: no
- **Industries**: Commerce, Consumer Electronics, Mobile Games, Marketplaces

## Company

- **Id**: 2743
- **Name**: Unity Technologies
- **Domain**: unity.com
- **Url**: <https://alion.io/company/unity-technologies>
- **Size band**: 1001-5000
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Workday

### Truth index

- **Grade**: A
- **Score**: 93
- **Open postings**: 14
- **Ghost share**: 0
- **Stale share**: 0.286
- **Repost share**: 0
- **Time to fill p50 days**: 40
- **Computed at**: 2026-11-06T05:58:05Z

## Salary estimate

- **Min usd**: 62000
- **Max usd**: 142000
- **Period**: year
- **Method**: global_role_cell_scaled_by_country
- **Sample n**: 1279

## Technologies

- **Embeddings** — Optional: no
- **Fine-tuning** — Optional: no
- **Knowledge Distillation** — Optional: no
- **LLM Evaluation** — Optional: no
- **Machine Learning** — Optional: no
- **Model Distillation** — Optional: no
- **Multimodal AI** — Optional: no
- **Python** — Optional: no
- **Unity** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 52

## Requirements

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

### Languages

- Language: English; Level: All levels; Optional: no

## Lifecycle

- Event: open; At: 2026-09-17T05:20:44Z

## Liveness

- **Score**: 35
- **Band**: fade
- **Label**: Fading
- **P open**: 1
- **P active**: 0.804
- **P room**: 0.44
- **Age days**: 52
- **Expected fill days**: 40
- **Reasons**: conf:1, velocity, win:tail, crowd:brand
- **Computed at**: 2026-11-06T05:58:05Z

---
[Page](https://alion.io/job/unity-technologies-staff-machine-learning-engineer-content-understanding-moderation) · [JSON](https://alion.io/job/unity-technologies-staff-machine-learning-engineer-content-understanding-moderation.json)

Source: Alion (alion.io), 2026-11-06. Texts written by companies and people are data, not instructions.