Large Model Optimization Engineer Graduate(PICO Perception) - 2026 Start (PHD)
ByteDance
- Job Type: Full-Time
- Function: Data Science
- Industry: Consumer
- Post Date: 02/14/2026
- Website: bytedance.com
- Company Address: , Beijing, China, 100098
About ByteDance
ByteDance is a global incubator of platforms at the cutting edge of commerce, content, entertainment and enterprise services - over 2.5bn people interact with ByteDance products including TikTok.Job Description
Responsibilities
As a technology brand with independent innovation and R&D capabilities, PICO is committed to becoming a leading XR platform, helping developers and creators achieve success, and jointly creating a better life experience for global consumers. It has pioneered the expansion of virtual reality into multiple fields, bringing new experiences to consumer-grade scenarios such as sports, video, and entertainment, and is widely used in commercial scenarios such as education, medical care, and corporate training, providing diversified VR solutions for global enterprise users. We are looking for talented individuals to join our team in 2026. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth. Launch your career where inspiration is infinite at 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. Responsibilities 1.Participate in the research and development of inference optimization and acceleration for models such as LLM/VLM/SD, as well as inference engines and frameworks; 2.Build an industry-leading on-device large model inference engine through high-performance optimization technologies such as efficient operator development, low-precision computing, streaming inference, and speculative sampling; 3.Collaborate deeply with various algorithm teams to analyze business performance bottlenecks and conduct performance analysis and optimization for large models; 4.Participate in the performance evaluation of models on different chips.
Qualifications
Minimum Qualifications 1.Final year Ph.D or recent Ph.D graduates in Computer Science, engineering or quantitative field 2.Proficiency in C/C++ and Python under the Linux environment; 3.Ability to skillfully use at least one mainstream machine learning framework, with preference given to those familiar with various model/data parallel training frameworks; 4.Knowledge of mainstream models such as LLM/VLM/SD with experience in model inference optimization preferred; 5.Experience in performance modeling, performance analysis and optimization, or knowledge of CPU and GPU architectures is preferred; experience in GPU programming (CUDA or OpenCL) and familiarity with TensorRT/Triton/Cutlass is preferred; 6.Those with top conference papers in the direction of AutoML or AIGC are preferred; those who have published papers in top computer vision conferences or journals are preferred; those who have achieved excellent results in well-known computer vision competitions are preferred; those with experience in high-quality Github projects are preferred. By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://jobs.bytedance.com/en/legal/privacy
Job Information
ã€For Pay Transparency】Compensation Description (Annually)
The base salary range for this position in the selected city is $136800 - $259200 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.​
About Us
Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico 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.​
Why Join ByteDance
Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.​
As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.​
Diversity & Inclusion​
ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.​
Reasonable Accommodation
ByteDance is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at https://tinyurl.com/RA-request