Research Scientist Graduate (eCommerce Recommendation) - 2026 Start (PhD)

undefined ago • All levels • Research Development • $137,750 PA - $237,500 PA

Job Summary

Job Description

The E-commerce Recommendation Team at ByteDance is seeking talented PhD graduates for 2026 to build and scale their recommendation system for TikTok, enhancing the shopping experience. This role involves conducting cutting-edge research in machine learning, developing large-scale e-commerce recommendation algorithms, building user interest models, and applying machine learning to various business scenarios like search ranking and video understanding. Successful candidates will have unparalleled opportunities for career growth and innovation.
Must have:
  • Conduct cutting-edge research in machine learning algorithms, such as retrieval and recommendation algorithms.
  • Participate in building large-scale e-commerce recommendation algorithms and systems.
  • Build long and short term user interest models.
  • Analyze and extract relevant information from large amounts of various data.
  • Design algorithms to explore users' latent interests efficiently.
  • Apply machine learning algorithms to improve different business scenarios.
  • Current or recent PhD graduates with a background in Computer Science or related technical field.
  • Familiar with at least one of the mainstream deep learning frameworks, such as TensorFlow or PyTorch.
  • Passionate about solving complex and challenging problems.
  • Must obtain and maintain work authorization in the country of employment.
Good to have:
  • Experience in recommendation systems.
  • Experience in online advertising.
  • Experience in information retrieval.
  • Experience in natural language processing.
  • Experience in computer vision.
  • Experience in machine learning.
  • Experience in large-scale data mining.
Perks:
  • 100% premium coverage for employee medical insurance.
  • Approximately 75% premium coverage for dependents medical insurance.
  • Health Savings Account (HSA) with a company match.
  • Dental insurance.
  • Vision insurance.
  • Short/Long term Disability insurance.
  • Basic Life insurance.
  • Voluntary Life and AD&D insurance plans.
  • Flexible Spending Account (FSA) Options (Health Care, Limited Purpose, Dependent Care).
  • 10 paid holidays per year.
  • 17 days of Paid Personal Time Off (PPTO).
  • 10 paid sick days per year.
  • 12 weeks of paid Parental leave.
  • 8 weeks of paid Supplemental Disability.
  • Mental and emotional health benefits through EAP and Lyra.
  • 401K company match.
  • Gym reimbursement.
  • Cellphone service reimbursement.

Job Details

Responsibilities

Team Introduction:

Our E-commerce Recommendation Team is responsible for building up and scaling our recommendation system to provide the best shopping experience for our TikTok users. We are looking for talented individuals to join our team in 2026. As a graduate, you will get unparalleled opportunities for you to kickstart your career, pursue bold ideas and explore limitless growth opportunities. Co-create a future driven by your inspiration with ByteDance Successful candidates must be able to commit to an onboarding date by end of year 2026. Please state your availability and graduation date clearly in your resume. Applications will be reviewed on a rolling basis - we encourage you to apply early.

Responsibilities:

  • Work in a team to conduct cutting-edge research in machine learning algorithms, such as retrieval and recommendation algorithms
  • Participate in building large-scale (10 million to 100 million) e-commerce recommendation algorithms and systems, including commodity recommendations, live stream recommendations, short video recommendations etc in TikTok
  • Build long and short term user interest models, analyze and extract relevant information from large amounts of various data and design algorithms to explore users' latent interests efficiently
  • Apply machine learning algorithms to improve the different business scenarios, such as search ranking, natural language and video understanding, and trust and safety

Qualifications

Minimum Qualifications

  • Current or recent PhD graduates with a background in Computer Science, related technical field or equivalent industrial research experience.
  • Experience in one of the following fields: recommendation systems, online advertising, information retrieval, natural language processing, computer vision, machine learning, large-scale data mining, or related fields preferred
  • Familiar with at least one of the mainstream deep learning frameworks, such as TensorFlow or PyTorch
  • Passionate about solving complex and challenging problems
  • Must obtain work authorization in the country of employment at the time of hire, and maintain ongoing work authorization during employment At ByteDance our benefits are designed to convey company culture and values, to create an efficient and inspiring work environment, and to support employees to give their best in both work and life. We offer the following benefits to eligible employees: We cover 100% premium coverage for employee medical insurance, approximately 75% premium coverage for dependents and offer a Health Savings Account(HSA) with a company match. As well as Dental, Vision, Short/Long term Disability, Basic Life, Voluntary Life and AD&D insurance plans. In addition to Flexible Spending Account(FSA) Options like Health Care, Limited Purpose and Dependent Care. Our time off and leave plans are: 10 paid holidays per year plus 17 days of Paid Personal Time Off(PPTO) (prorated upon hire and increased by tenure) and 10 paid sick days per year as well as 12 weeks of paid Parental leave and 8 weeks of paid Supplemental Disability. We also provide generous benefits like mental and emotional health benefits through our EAP and Lyra. A 401K company match, gym and cellphone service reimbursements. The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

Job Information

【For Pay Transparency】Compensation Description (Annually):

The base salary range for this position in the selected city is $137750 - $237500 annually.​

Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.​

Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).​

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates:​

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:​

1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;​

2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and​

3. Exercising sound judgment.

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About The Company

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.
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