228 jobs for "Applications Engineer 2"

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Software Engineer Intern (Recommendation Performance Efficiency) - 2027 Summer

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Machine Learning Engineer Intern (E-Commerce Knowledge Graph)- 2027 Summer

At TikTok - Seattle

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Machine Learning Engineer Intern (E-Commerce Recommendation/Search Alliance) - 2027 Summer

At TikTok - Seattle

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Software Engineer Graduate (Data Ecosystem) - 2027 Start

At TikTok - San Jose

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Machine Learning Engineer Intern (E-Commerce Supply Chain & Logistics-LLM / Agent )- 2027 Summer

At TikTok - Seattle

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Backend Engineer Graduate (Account) - 2027 Start

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Machine Learning Engineer Intern (E-Commerce User Growth) - 2027 Summer

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Machine Learning Engineer Intern (Conversational AI) - 2027 Start (PhD)

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Senior, Full Stack Engineer - Tax Transformation

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Full stack Developer

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Co-op: Design Engineer Spring 2027

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Senior APC Engineer

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Senior Software Engineer - Global Subscriptions and Pricing Infrastructure

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TikTok

Machine Learning Engineer Intern (E-Commerce Recommendation Live)- 2027 Summer

SeattlePosted 23 days ago

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Responsibilities

Team Introduction:
The Global E-commerce Recommendation Live Algorithm team is responsible for the core recommendation stack for live commerce, covering the full pipeline from recall and pre-ranking to ranking and mixed ranking. The team operates in a highly dynamic environment where live room status changes in real time, conversion signals are sparse, and user intent must be understood across content, commerce, and transaction scenarios.

By combining generative recommendation, large recommendation models, multimodal representation learning, and cross-domain value modeling, the team works on some of the most important algorithmic problems in live commerce. Our goal is to improve user experience, optimize ecosystem efficiency, and drive sustainable business growth for TikTok Shop across global markets.

We are looking for talented individuals to join us for an internship. Our internship program offers students hands-on experience, industry exposure, and opportunities to apply their knowledge to real-world challenges while building a strong foundation for personal and professional growth.

Interns will gain practical experience, explore potential career paths, and participate in social events, learning programs, and development workshops alongside industry professionals.
Candidates may apply to a maximum of two positions across Our Company and its affiliates globally. Applications will be considered in the order they are submitted.

Applications are reviewed on a rolling basis, so we encourage you to apply early. Please clearly state your availability in your resume, including your start and end dates.

Responsibilities:
- Build and optimize recommendation models across recall, pre-ranking, ranking, and mixed ranking to improve GMV, conversion, watch time, and long-term user value.
- Develop cross-domain and multimodal modeling solutions that connect videos, live streams, products, and user behavior to better power live commerce recommendations.
- Advance next-generation recommendation technologies, including generative recommendation, large recommendation models, reinforcement learning, and long-term value optimization.
- Partner with cross-functional teams to launch scalable solutions, run experiments, and turn research into measurable business impact.

Qualifications

Minimum Qualifications:
- Currently pursuing a Undergraduate in Software Development, Computer Science, Computer Engineering or a related discipline.
- Solid foundation in machine learning and at least one of the following areas: recommendation systems, search, advertising, NLP, multimodal learning, or large-scale applied AI.
- Strong programming skills in Python or C++, and hands-on experience with deep learning frameworks such as PyTorch.
- Good understanding of data structures, algorithms, and large-scale model training or production machine learning systems.
- Strong analytical and problem-solving skills, with the ability to translate business problems into effective modeling solutions.
- Self-driven and results-oriented, with the ability to take ownership of model iteration and online impact from end to end.

Preferred Qualifications:
- Experience in recommendation systems, especially in live commerce, e-commerce, search, ads, or other large-scale consumer products.
- Experience with generative recommendation, large recommendation models, retrieval and ranking systems, or related recommendation architecture upgrades.
- Experience with LLMs or multimodal foundation models, including pre-training, post-training, representation learning, contrastive learning, SFT, or RL-based optimization.
- Experience in cross-domain transfer learning, LTV modeling, long-term value optimization, causal inference, or debiasing.
- Experience with long-sequence user behavior modeling, multi-task learning, multi-interest modeling, or large-scale distributed training and inference optimization.
- Publications in top-tier conferences such as NeurIPS, ICML, ICLR, KDD, ACL, CVPR, SIGIR, or RecSys, or strong achievements in major technical competitions.
- Strong curiosity about new technologies, fast learning ability, and a passion for solving challenging real-world problems.

Responsibilities

Qualifications

Qualifications

Minimum Qualifications:
- Currently pursuing a Undergraduate in Software Development, Computer Science, Computer Engineering or a related discipline.
- Solid foundation in machine learning and at least one of the following areas: recommendation systems, search, advertising, NLP, multimodal learning, or large-scale applied AI.
- Strong programming skills in Python or C++, and hands-on experience with deep learning frameworks such as PyTorch.
- Good understanding of data structures, algorithms, and large-scale model training or production machine learning systems.
- Strong analytical and problem-solving skills, with the ability to translate business problems into effective modeling solutions.
- Self-driven and results-oriented, with the ability to take ownership of model iteration and online impact from end to end.

Preferred Qualifications:
- Experience in recommendation systems, especially in live commerce, e-commerce, search, ads, or other large-scale consumer products.
- Experience with generative recommendation, large recommendation models, retrieval and ranking systems, or related recommendation architecture upgrades.
- Experience with LLMs or multimodal foundation models, including pre-training, post-training, representation learning, contrastive learning, SFT, or RL-based optimization.
- Experience in cross-domain transfer learning, LTV modeling, long-term value optimization, causal inference, or debiasing.
- Experience with long-sequence user behavior modeling, multi-task learning, multi-interest modeling, or large-scale distributed training and inference optimization.
- Publications in top-tier conferences such as NeurIPS, ICML, ICLR, KDD, ACL, CVPR, SIGIR, or RecSys, or strong achievements in major technical competitions.
- Strong curiosity about new technologies, fast learning ability, and a passion for solving challenging real-world problems.

About TikTok

TikTok is the leading destination for short-form mobile video and our mission is to inspire creativity and bring joy.

Size: 5,001 - 10,000 employees
Industry: Entertainment & Gaming

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