> Markdown version of [/jobs/ext/227427-machine-learning-engineer-search-recommendation-e-commerce-search-growth](https://www.wearedevelopers.com/jobs/ext/227427-machine-learning-engineer-search-recommendation-e-commerce-search-growth). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# Machine Learning Engineer - Search Recommendation, E-commerce Search Growth

- **Company:** Amazon.com, Inc.
- **Location:** Seattle, WA, United States
- **Experience:** Expert
- **Salary:** $82,700.0 - $131,600.0
- **Contract:** Permanent contract
- **Skills:** Data Structures, Machine Learning, Recommender Systems, Information Technology, Multiaccess Edge Computing, Software Coding
- **Published:** May 16, 2026
- **Apply:** https://www.careerjet.com/jobad/us8aba22a590d4812415c2e20c70c89bf8

## About the Role

3+ years of work experience in machine learning. Good product sense with a focus on user experience and E-commerce business.

 - Bachelor or advanced degree in computer science or a related technical discipline.
Preferred Qualifications

 - Excellent coding skills. Solid knowledge of data structure and algorithms.
 - Excellent in analysis, modeling and problem-solving, and can see the essence of problems from complex data.

## Description

On the TikTok Search Team, you will have the opportunity to develop and apply cutting edge machine learning technologies in real-time large-scale systems, which serve billions of search requests every day. Via advanced NLP and multi-modal models, our projects impact and improve the search experience for hundreds of millions of users globally. We embrace a culture of self-direction, intellectual curiosity, openness, and problem-solving.
About the Team:
The Search Growth E-commerce team is at the forefront of developing the search recommendation algorithm for TikTok's rapidly expanding global e-commerce enterprise. Utilizing cutting-edge machine learning technology, advanced NLP, CV, recommendation, and multi-modal technology, we're shaping a pioneering engine within the industry. Our objective is to deliver the ultimate e-commerce search experience to over 1 billion active TikTok users worldwide. Our mission: to create a world where "there are no hard-to-sell, overpriced products."
Responsibilities - What You'll Do:

 - Elevate search recommendation services and models for TikTok E-commerce, driving heightened e-commerce search traffic on both TikTok and TikTok Mall, while enhancing user search and purchasing cognition.
 - Optimize the recommender system, focusing on hyperscale machine learning models. This involves diverse tasks spanning recall/first-stage ranking to final-stage ranking within the end-to-end workflow.
 - Push the boundaries of short text and general recommendation technology, with a specific emphasis on the interaction between recommendation and NLP technology.


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