Research Scientist (LLM) - 2026 Start (PhD)

ByteDance

$254K — $480K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • PhD in Computer Science, Electrical Engineering, Mathematics, or related field
  • Strong coding skills in C/C++ or Python; proficiency in data structures and algorithms
  • Experience with large-scale model training, deep learning, and ML algorithms is preferred
  • History of leading impactful large-scale model projects or publications
  • Excellent problem-solving abilities, particularly in model training and applications
  • Strong teamwork and communication skills for technology exploration and innovation

Responsibilities

  • Explore and optimize large-scale models and systems
  • Construct data, tune instructions, align preferences, and optimize models
  • Enhance model capabilities including reasoning, coding, and mathematical skills
  • Conduct in-depth research on future application use cases

Benefits

  • Medical, dental, and vision insurance from day one
  • 401(k) savings plan with company match
  • Paid parental leave and both short-term and long-term disability coverage
  • Life insurance and wellbeing benefits
  • 10 paid holidays and 10 paid sick days annually
  • 17 days of Paid Personal Time, increasing with tenure
Full Job Description
Responsibilities - Explore large-scale models and optimize systems; - Data construction, instruction tuning, preference alignment, and model optimization; - Improving relevant model capabilities, such as reasoning, code, math etc; - In-depth research and exploration of future use cases. Qualification Minimum Qualifications - Individuals who are completing or have recently completed a PhD degree in Computer Science, Electrical Engineering, Electrical and Computer Engineering, Physics, Mathematics, or a related discipline. - Excellent coding ability, data structures, and fundamental algorithm skills, proficient in C/C++ or Python, etc. Individuals who are completing or have recently completed a PhD degree in Computer Science, Electrical Engineering, Electrical and Computer Engineering, Physics, Mathematics, or a related discipline. Preferred Qualifications - Experience with large-scale model training, deep learning and machine learning algorithms are preferred; - Candidates who have led influential projects or papers in the field of large-scale models are preferred; - Excellent problem analysis and solving skills, able to deeply solve problems in large-scale model training and application; - Good communication and collaboration skills, able to explore new technologies with the team and promote technological progress. As a condition of employment, all successful candidates must be able to establish authorization to work in the United States. For this position, the Company does not provide sponsorship or any immigration-related benefits. Job Information 【For Pay Transparency】Compensation Description (Annually) The base salary range for this position in the selected city is $254400 - $480000 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.

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