Twelve Labs

Staff Machine Learning Engineer

Twelve Labs

full-time

Posted on:

Location Type: Hybrid

Location: SeoulSouth Korea

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Job Level

Tech Stack

About the role

  • Drive technical direction for ML engineering within Pegasus while remaining deeply hands-on in critical system design and implementation.
  • Own the design and evolution of critical production ML systems for Pegasus, with a focus on scalability, reliability, performance, and fast iteration.
  • Lead technical decision-making across model deployment, inference architecture, metadata systems, and ML infrastructure for Video Language Models (VLMs).
  • Improve and automate the end-to-end ML lifecycle so research advances can translate into product improvements quickly and reliably.
  • Mentor engineers and raise the team’s execution bar through strong technical judgment, design reviews, and hands-on collaboration.
  • Explore and adopt AI-assisted development tools such as Claude, Gemini, and GPT to improve productivity across coding, experimentation, debugging, and documentation.

Requirements

  • Significant experience building and productionizing ML systems as a hands-on individual contributor.
  • Experience driving technical direction across ML projects and making architectural decisions in complex production environments.
  • Strong foundations in machine learning and deep experience with multimodal systems such as vision, language, or video-based models.
  • Experience building and evolving distributed ML or data workflows, ideally in Kubernetes-based environments.
  • Strong technical judgment across system design, performance, reliability, and long-term maintainability.
  • A track record of mentoring engineers and creating technical leverage beyond your own individual contributions.
  • Preferred qualifications include experience serving or optimizing LLM/VLM systems in production, including inference optimization, throughput and latency tuning, batching, caching, or quantization.
  • Experience designing and operating mission-critical AI/ML applications from 0 to 1 and scaling them in production.
  • Experience with large-scale training or serving infrastructure for ML systems, including high-performance GPU environments.
  • Master’s or PhD in Machine Learning, Computer Science, or a related technical field.
Benefits
  • 글로벌 B2B 고객과 함께 성장하는 Global Team
  • 자율성과 협업을 모두 갖춘 하이브리드 근무
  • 전 직원에게 맥북 및 70만 원 상당 재택근무 장비 지원, 3년 주기로 최신 장비 교체
  • 식사·교통비 등 자유롭게 사용할 수 있는 월 60만 원 한도 법인카드 제공
  • 사무실 내 스낵바(간식, 커피, 신선식품 제공)
  • 연말 2주간 겨울방학 운영
  • 연 1회 건강검진 지원
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
machine learningmultimodal systemsdistributed ML workflowsinference optimizationthroughput tuninglatency tuningbatchingcachingquantizationhigh-performance GPU environments
Soft Skills
technical judgmentmentoringcollaborationdesign reviews
Certifications
Master’s in Machine LearningPhD in Machine LearningPhD in Computer Science