Position Overview

We are looking for an Applied Scientist to join our Global E-Commerce Alliance Team. The individual will be responsible for driving innovative and practical solutions that impact our search system through machine learning models. As part of the role, the Applied Scientist will work with cross-functional teams, influencing decision-making across multiple teams within the business. The successful candidate will have strong expertise in machine learning and have the ability to leverage this to improve our search systems.

About the Role

The e-commerce alliance team aims to serve merchants and creators in the e-commerce platform to meet merchants' business indicators and improve creators' creative efficiency. By cooperating with merchants and creators, we aim to provide high-quality content and a personalized shopping experience for Tik Tok users, create efficient shopping tools at seller centers, and promote cooperation between merchants and creators.

Responsibilities

• Work collaboratively with cross-functional teams to develop and implement advanced machine learning algorithms to improve the search and recommendation systems.
• Define the scope and design end-to-end machine learning models for search systems.
• Analyze complex, large-scale data to extract insights and to identify potential areas where our search system can be improved.
• Create, test, implement, and iterate on machine learning models to optimize search functions and improve the user experience.
• Stay up-to-date with the latest developments in machine learning and search systems.
• Present complex findings and algorithms to a non-technical audience and influence decision-making.
• Follow strict data governance and privacy policies to ensure that user data is handled with the utmost care.

Qualifications

Minimum Qualifications

• PhD, Master or Bachelor's degree in Computer Science, Statistics, Mathematics, or related quantitative field.
• Extensive experience in machine learning, deep learning, data mining, or artificial intelligence.
• Strong programming skills in Python, C++, Java, GO, or similar.
• Strong knowledge of search algorithms, information retrieval, and ranking systems.
• Excellent problem-solving and analytical skills.
• Strong communication skills with the ability to explain complex concepts to a non-technical audience.

Preferred Qualifications

• Experience with Natural Language Processing (NLP) techniques.
• Proven modeling/algorithms competition records on Kaggle or top conferences' challenges.
• Proven programming competition records on ICPC, IOI or USACO.
• Experience working with recommendation systems, computational advertising, search engine, E-commerce search systems.
• Publication records in machine learning or related conferences or journals is a plus.

Compensation

The base salary range for this position in the selected city is $129,960 - $246,240 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

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.

Additional Information

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.