Senior ML Research Engineer, Marengo
About this role
Who we are
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About the Team
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About the Role
As a Senior ML Research Engineer on the Marengo team, you will drive the research and development of TwelveLabs' multimodal embedding models, from data strategy and training pipeline optimization to model architecture experimentation and evaluation.
This is a research-heavy engineering role at the intersection of multimodal representation learning, large-scale distributed training, and data engineering. We're looking for a strong engineer-researcher who can take well-scoped research problems with moderate ambiguity, design rigorous experiments, and deliver reproducible results that ship to production.
In this role, you will
Design and execute experiments to improve multimodal embedding model quality, spanning model architecture, training methodology, data composition, and evaluation
Build and optimize large-scale distributed training pipelines (multi-node, multi-GPU) for contrastive and representation learning
Develop and improve data curation, filtering, and quality assessment pipelines at scale
Conduct ablation studies to systematically evaluate design choices and communicate findings to guide technical direction
Implement evaluation frameworks and benchmarks that rigorously measure embedding model quality
Collaborate with the search/serving team to ensure model improvements translate to end-to-end retrieval quality gains
Even if you don't check every box, we encourage you to apply.
If you're a zero-to-one achiever, a ferocious learner, and a kind team player who motivates others, you'll find a home at TwelveLabs.
You may be a good fit if you have
4β7 years of industry experience in computer vision, NLP, or multimodal learning, with a track record of shipping ML systems to production
Strong proficiency in Python and PyTorch, with hands-on experience in distributed model training
Experience in contrastive learning, representation learning, or embedding models, demonstrated through shipped products, publications, or open-source contributions
End-to-end ownership experience: taking a model from research idea through training to production deployment, not just running experiments in isolation
Ability to independently drive research projects from problem definition through experiment design to conclusions
Effective communication skills for collaborating with colleagues from diverse backgrounds
We evaluate based on relevant technical skills and industry impact rather than degrees alone. This role is typically a strong fit for engineers with an MS and meaningful industry experience building ML systems at scale.
Preferred Qualifications
Experience with temporal video understanding (segmentation, boundary detection, temporal grounding)
Experience with large-scale data curation (filtering, deduplication, quality scoring) for model training
Experience with training infrastructure optimization (mixed precision, gradient checkpointing, communication backends)
Familiarity with experiment tracking and reproducibility tools
Experience with petabyte-scale data processing
What makes this role unique
The gap between research and production is remarkably short here. Models you build will be used by thousands of companies worldwide within months. We work as a unified team toward the broader goal of video understanding, rather than solving isolated problems. Our research philosophy balances rigorous experimentation with real-world application: we aim to build multimodal systems that are powerful, trustworthy, and genuinely useful.
Others
Work Location: Seoul Itaewon office + Pangyo satellite office
Additional Info: μ λ¬Έμ°κ΅¬μμ νΈμ /μ μ§ κ°λ₯ν©λλ€.
Hiring Process
Application Review β Recruiter Interview (λΉλλ©΄/30λΆ) β Loop Interview [Hiring Manager Interview&Live Coding Test Interview] (λλ©΄/μ½ 90λΆ) β System Design Interview(λλ©΄/μ½ 60λΆ) β Final Round Interview (λΉλλ©΄/μ½ 30λΆ) β Reference Check β Offer
Benefits and Perks
Growth & Tools
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