Machine Learning Engineer, AI Coding Tools

ByteDance; San Jose (CA); On-site; USD 156,000 - 388,000; Full time

Job summary

ByteDance's TRAE team is hiring a Machine Learning Engineer to design, train, and deploy LLMs that support code generation and reasoning. You will build robust training and evaluation pipelines and collaborate with infrastructure and product teams to run models on GPU clusters.

You should have a strong ML background, experience with PyTorch or TensorFlow, Python and C++/CUDA, and hands-on work with distributed training, quantization, or pruning.

Qualifications

• Bachelor’s degree or higher in CS, EE, Math, or related field.
• Strong foundation in ML, DL, optimization.
• Proficiency in PyTorch or TensorFlow; Python and C++/CUDA.
• Experience with distributed training and mixed-precision.
• Hands-on experience with model quantization or pruning.

Responsibilities

• Design, train, and fine-tune LLMs to support TRAE’s reasoning and code generation.
• Build scalable model training and evaluation pipelines.
• Collaborate with infrastructure and product teams to deploy on GPU clusters.
• Optimize models for latency, throughput, and accuracy.
• Stay up to date with large-model optimization and inference acceleration.

Skills

ML fundamentals

Deep learning

Optimization algorithms

PyTorch

TensorFlow

Python

C++/CUDA

Distributed training

Model quantization

Model pruning

Education

Bachelor’s degree in CS/EE/Math or related field

Tools

CUDA toolkit

Job description

Responsibilities

About the team: TRAE (The Real AI Engineer) is an intelligent engineer capable of understanding requirements, orchestrating tools, and independently completing development tasks, providing users with end-to-end software generation capabilities. As one of the most popular AI programming products and the world’s first end-to-end AI software development agent, TRAE covers a full spectrum of development scenarios, from simple to highly complex. We are looking for passionate and creative engineers to join us in reshaping the development paradigm and defining the future of AI-driven software engineering. We are seeking a Machine Learning Engineer to join the core R&D team of TRAE, responsible for model training, optimization, quantization, and deployment. You will work closely with top engineers and researchers to explore and implement LLM training and deployment for the software engineering, driving the continuous evolution of TRAE’s intelligent engineering capabilities.

• Design, train, and fine-tune large language models (LLMs) that support TRAE’s core reasoning and code generation capabilities.
• Build efficient, stable, and scalable model training and evaluation pipelines.
• Collaborate with infrastructure and product teams to deploy and monitor models efficiently on GPU clusters.
• Continuously optimize models for latency, throughput, and accuracy.
• Stay up to date with and apply cutting-edge techniques in large model optimization and inference acceleration.

Qualifications

Minimum Qualifications:

• Bachelor’s degree or above in Computer Science, Electrical Engineering, Mathematics, or a related field.
• Solid foundation in machine learning, deep learning, and optimization algorithms.
• Proficiency in PyTorch or TensorFlow, with programming skills in Python and C++/CUDA.
• Experience with large-scale distributed training, mixed-precision training, or model parallelism.
• Hands-on experience with model quantization, pruning, or CUDA-based deployment optimization.
• Passionately about building efficient, production-ready AI systems and advancing the future of AI-driven software development.

Preferred Qualifications:

• PhD in AI related research fields.
• Hands-on experience in developing and deploying AI systems in a real-world setting.

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

Job Information

【For Pay Transparency】Compensation Description (Annually)

The base salary range for this position in the selected city is $156000 - $387600 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. Apropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and
3. Exercising sound judgment.