Senior Machine Learning Engineer, Content Understanding & Moderation

Unity Software
Beijing, Shanghai
Workplace: OnsiteFull timeCNY 341,000 - 943,000Function: Data Science & Machine LearningSkills: ["Systems thinking","Accountability"]

Define how Unity understands and moderates content flowing through its ad network at massive scale. Own multimodal content representation for video, image, playable, audio, and text so relevance and moderation share one foundation. Partner across product, engineering, and science to convert policy and regulatory obligations into measurable ML objectives, and build evaluation, labeling, embeddings, and labeling pipelines for production systems.

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FursaFursa
Unity Software
Unity Software
1 day ago

Senior Machine Learning Engineer, Content Understanding & Moderation

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 9 hours agoStatus: Live

Job Summary

Define how Unity understands and moderates content flowing through its ad network at massive scale. Own multimodal content representation for video, image, playable, audio, and text so relevance and moderation share one foundation. Partner across product, engineering, and science to convert policy and regulatory obligations into measurable ML objectives, and build evaluation, labeling, embeddings, and labeling pipelines for production systems.
Location: Beijing, Shanghai
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Execute multimodal content representation strategy across video, image, playable, audio, and text using shared foundations for relevance and moderation.
  • •Partner with product, engineering, and science teams to translate regulatory and contractual obligations into measurable ML objectives.
  • •Define evaluation and labeling for scarce/noisy/contested labels and build labeling and evaluation infrastructure.
  • •Build shared foundations for other teams, including content embeddings, game level features, evaluation harnesses, and labeling pipelines.
  • •Own and remain accountable for production code, including code produced with AI assistance.

Pay and Benefits

Salary: CNY 341,000 - 943,000
Perks:Health InsuranceDisability InsuranceCommuter BenefitsPensionPaid Leave

Key Requirements

  • •Experience in multimodal machine learning combining vision and language, with video experience highly relevant.
  • •Experience owning a trust and safety, content moderation, brand safety, or policy enforcement system in production.
  • •Experience operating with scarce, ambiguous, or disputed labels where violation definitions evolve over time.
  • •Experience adapting foundation models for production, including fine-tuning, distillation, and optimization for latency and cost.
  • •Strong programming skills in Python and experience running production ML systems with fluency in latency, throughput, and cost tradeoffs.
Experience:Multimodal machine learningTrust and safetyContent moderationFoundation modelsProduction ML
Skills:Systems thinkingAccountability
Languages:English
Tech Stack:PythonFoundation modelsFine-tuningDistillationLatencyThroughputCost optimizationDistributed systems

Company Brief

Unity Software
Develops the Unity real-time 3D development platform used to create, operate, and monetize interactive experiences and games across mobile, console, PC, and AR/VR platforms. Serves developers, studios, and enterprises worldwide.
Industry: Developer Tools
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2004
Glassdoor
Glassdoor: 3.8
WebsiteLinkedIn