ByteDance · 3 days ago
Global LLM Data - LLM Training Operation Coding Analyst
Los Angeles, CA
Full-time
Onsite
Mid, Senior Level
$84K/yr - $193K/yr
3+ years expByteDance is a global technology company inspiring creativity and enriching life. The LLM Training Operations Analyst will manage processes involved in training large language models with coding datasets, focusing on operational workflows and project management.
ContentData MiningFoundational AIInternetSocial Media
Responsibilities
Lead and manage multiple coding-focused LLM training projects, ensuring timelines, quality standards, and objectives are met
Track project progress, identify risks, and implement corrective actions as necessary to keep projects on course
Build and maintain strong relationships with product managers, engineers, researchers, data annotators, and other cross-functional team members
Communicate project updates, address concerns, and align expectations to ensure successful project outcomes
Coordinate meetings and discussions with global teams to ensure seamless project execution and work with external vendors and trainers per project demands
Design, manage, and optimize workflows for coding-focused LLM training projects, including training design, QA processes, and performance tracking to meet project needs
Collaborate closely with product managers, engineers, and cross-functional teams to ensure alignment on quality metrics and project expectations
Conduct quality and productivity improvement experiments to enhance operational processes for code-related training data
Lead and support general annotation operation improvement initiatives across various data domains
Develop and maintain technical guidelines and casebooks to support consistent, high-quality data production
Design and implement data analysis strategies for LLM coding projects
Analyze annotation quality, model performance, and dataset coverage using statistical and programmatic methods
Identify data gaps and failure patterns through slice-based evaluations and error analysis
Use Python (Pandas, NumPy, Matplotlib) and SQL to generate insights and support model training operations
Collaborate with researchers to inform training strategies and data improvements
Provide mentorship and guidance to team members, helping to develop their skills and ensuring the delivery of high-quality outputs
Foster a collaborative environment where team members can share knowledge and best practices to improve overall performance
Qualification
Required
3+ years of experience in project or operations management roles
Experience with programming languages such as Python, Java, Go, or C, acquired through coding projects, or technical, project manager, or scrum master roles in software engineering teams
Strong communication and problem-solving skills with the ability to understand and convey code-related concepts effectively
Strong project management skills, with the ability to design, manage, and optimize complex workflows
Ability to balance independent judgment with collaborative teamwork in a fast-paced, project-based environment
Preferred
Experience in RLHF annotation and working with leading AI/LLM companies on technical projects
Experience with codebases and understanding of software development processes, coding best practices, and version control systems (e.g., Git). Familiarity with full-stack concepts, including front-end interfaces, back-end logic, and database integration
Proven ability to lead and mentor junior team members in data-related or AI/LLM projects
Deep interest in LLMs, computational thinking, and ability to adapt to a high-intensity work environment
Enthusiasm for learning, engaging with diverse technical case studies, working with global teams, and comfort with technology tools that enhance project performance
Proficiency in Mandarin Chinese (reading and speaking) to effectively communicate with Chinese-speaking global teams
Benefits
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
10 paid holidays per year
10 paid sick days per year
17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure)
Company
ByteDance
ByteDance is a technology company that develops content creation platforms and services.
10001+ employees
H1B Sponsorship
ByteDance has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1350)
2024 (1123)
2023 (775)
2022 (487)
2021 (417)
2020 (245)
Funding
Current Stage
Late StageTotal Funding
$9.8BKey Investors
Capital TodayG42Tiger Global Management
2025-11-20Secondary Market· $300M
2024-07-25Secondary Market
2023-03-14Secondary Market· $100M
Leadership Team
Jochen Bischoff
Head of Global Business Solutions - Africa
Matty Lin
General Manager, Global Business Solutions, KR
Recent News
2026-01-08
Company data provided by crunchbase