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Machine Learning Engineer (LLM / Personalization)

Machine Learning Engineer (LLM / Personalization)

Posted 17 hours ago

Job Description

About Us

At Qloo, our cutting-edge Taste AI technology leverages extraordinary amounts of data—over half a billion records of public figures, places, music artists, media, brands, and more, plus a globe-spanning consumer behavior and sentiment database—to unearth deep insights about consumer preferences.

From understanding global travel trends to curating the perfect restaurant recommendation based on your unique tastes, our Taste AI engine sifts through the noise to find the signals that matter.

And the best part? Qloo’s API suite is powered by cultural entities, not personal identities—ensuring our insights are derived without relying on personally identifiable information.

As we expand our investment in LLMs and AI agents, we are building the next generation of intelligent systems that combine generative models with structured taste intelligence—bringing reliability, explainability, and real-world grounding to AI applications.

Role Overview

As a Machine Learning Engineer reporting to the LLM Research Lead, you will operate at the intersection of large language models, recommendation systems, and Qloo’s proprietary taste graph.

You will work closely with Research and Data Engineering teams to design and deploy systems that integrate LLMs with structured cultural intelligence. This includes building production-ready ML systems, experimenting with new model architectures, and developing novel approaches to grounding generative AI in real-world data.

This role is ideal for someone who enjoys both research-adjacent work and shipping production systems—and wants to shape how LLMs interact with structured knowledge at scale.

Responsibilities

Design, build, and deploy machine learning models and systems that power personalization, recommendation, and taste understanding

Develop and productionize LLM-powered features, including retrieval-augmented generation (RAG), agent workflows, and prompt / tool orchestration

Integrate LLMs with Qloo’s structured entity graph and embedding systems to improve accuracy, relevance, and explainability

Experiment with and evaluate modern ML approaches (transformers, embedding models, ranking systems, hybrid recommenders)

Collaborate with Data Engineering to leverage large-scale datasets for LLM pipelines

Contribute to model evaluation frameworks and optimize model performance, cost, and latency in production environments

Stay up-to-date with the latest advancements in LLMs, recommendation systems, and applied ML—and bring those insights into production

Qualifications

Strong experience in Python and machine learning frameworks (e.g., PyTorch, CUDA, Metaflow/Kubeflow, etc)
Experience working with large language models (LLMs), including APIs (OpenAI, Anthropic, etc) and/or open-source models (Hugging Face)
Familiarity with retrieval systems, embeddings, vector search, or recommendation systems
Experience building and deploying ML systems in production environments
Solid understanding of data pipelines (Airflow) and working with large-scale datasets (e.g., Spark, S3, SQL)
Experience with AWS or similar cloud platforms
Experience working in AI-native development workflows, including heavy use of tools like Claude Code, Cursor, or similar
Strong problem-solving skills and ability to work across both research and engineering domains
Prior experience in a startup or fast-paced environment

We Offer

Competitive salary and benefits package, including health insurance, retirement plan, and paid time off

The opportunity to shape how LLMs and structured data systems work together in real-world applications

A collaborative, low-ego work environment where your ideas are valued and your contributions are visible

Direct exposure to cutting-edge work at the intersection of generative AI and large-scale recommendation systems

Flexible work arrangements (remote and hybrid options) and a healthy respect for work-life balance

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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