{"id":"8334548734","title":"Research Scientist — Privacy-Preserving Large-Scale Model Training & Architecture Optimization","posted_at":"2026-04-05T00:09:18.000Z","apply_url":"https://lifeattiktok.com/search/7072585766320212254","locations":["San Jose, CA"],"employment_type":"full_time","workplace_type":null,"seniority_level":null,"description_language":"en","source_name":"tiktok","source_url":"https://lifeattiktok.com/search/7072585766320212254","salary":null,"job_summary":"TikTok is a global platform focused on technology innovation while prioritizing user privacy. This role involves designing and optimizing large-scale training architectures for generative foundation models within privacy-sensitive production environments.","job_description":{"responsibilities":["Design and optimize large-scale training architectures for diffusion-based and unified generative models.","Lead GPU-centric performance optimization including memory layout, kernel fusion, and throughput scaling.","Develop distributed training strategies tailored to long-running foundation model training.","Build fault-tolerant, self-healing training systems to sustain long-running jobs.","Design mechanisms for fast failure detection, recovery, and minimal training interruption.","Optimize Diffusion Transformer training pipelines and memory-efficient attention mechanisms.","Support unified generation-and-understanding models for scalable training.","Collaborate with research teams on architecture-level tradeoffs between quality, compute efficiency, and stability."],"minimum_qualifications":["Strong background in large-scale deep learning systems and distributed training.","Hands-on experience with GPU optimization, including memory management and performance profiling.","Experience training diffusion models, DiT-style architectures, or large foundation models at scale.","Proficiency in PyTorch and modern distributed training stacks.","Solid understanding of parallelism strategies like DP, TP, PP, ZeRO, or FSDP.","Ability to reason about training stability, numerical issues, and long-running job robustness."],"preferred_qualifications":["Experience with privacy-preserving ML, sensitive data training, or regulated environments.","Familiarity with fault-tolerant training systems, checkpointing strategies, or production GPU orchestration.","Experience with unified multimodal models or hybrid AR/diffusion systems.","Low-level performance work such as CUDA kernels, custom ops, or fused attention.","Background in production ML infrastructure supporting thousands of GPUs."]},"visa_sponsorship":null,"experience_years_min":null,"job_address":null,"job_city":"San Jose","job_state":"CA","job_country":"US","location_lat":37.3361663,"location_lng":-121.890591,"keywords":["distributed training","foundation models","infrastructure","architectures","deep learning","communication","architecture","Collaborate","large-scale","distributed","performance","end-to-end","production","multimodal","compliance","efficient","pipelines","Diffusion","ecosystem","regulated","scalable","hardware","research","PyTorch","privacy","develop","design","teams","data","CUDA","GPU","ML"],"company":{"name":"TikTok","logo_url":"https://img.logo.dev/tiktok.com?token=pk_fWx5G5QrQMm-0Ud8BW3mBg&size=64&format=png","description":"TikTok is a global technology company that operates a short-form video platform and manages international business operations, including payroll and human resources functions across the EMEA region.","website_url":"https://www.tiktok.com","linkedin_url":"https://www.linkedin.com/company/tiktok","glassdoor_url":null,"x_url":"https://twitter.com/tiktok_us","instagram_url":"https://www.instagram.com/tiktok/","youtube_url":null,"github_url":"https://github.com/tiktok","huggingface_url":null,"tiktok_url":"https://www.tiktok.com/@tiktok","crunchbase_url":null,"facebook_url":"https://www.facebook.com/tiktok/","employee_count_range":"10000+","employee_count":36493,"founded_year":2016,"headquarters":{"address":"5800 Bristol Parkway, Culver City, CA 90230, United States","city":"Culver City, CA","country":"US","lat":34.0211224,"lng":-118.396466},"industry":"media","company_type":"enterprise","total_funding_usd":null,"locations":["Almaty","Amsterdam, Netherlands","Ashburn, VA","Austin, TX","Bangkok, Thailand","Berlin, Germany","Bogotá, Colombia","Brussels, Brussels-Capital Region","Bucharest, Romania","Buenos Aires, Argentina","Buford, GA","Cairo","Carol Stream, IL","Chicago, IL","Cimahi, Jawa Barat","Copenhagen, Denmark","Detroit, MI","Dubai","Dublin, Ireland","Düsseldorf, Germany","Fontana, CA","Gresik, Jawa Timur","Gurgaon, India","Hamar, Norway","Hamburg, Germany","Helsinki, Finland","Hillsboro, OR","Ho Chi Minh City, Vietnam","Houston, TX","Istanbul, Turkey","Jakarta Selatan, Jakarta Raya","Jakarta Utara, Jakarta Raya","Jakarta, Jakarta Raya","Johannesburg, Gauteng","Kouvola, Finland","Kuala Lumpur, Malaysia","Lisbon","London, United Kingdom","Los Angeles, CA","Madrid","Mexico City, Mexico","Miami, FL","Middlesex, NJ","Milan, Italy","Munich, Germany","New York, NY","Paris, France","Riyadh, Saudi Arabia","Rome, Italy","San Diego, CA","San Francisco, CA","San Jose, CA","Scottsdale, AZ","Seattle, WA","Seoul","Sidoarjo, Jawa Timur","Singapore","Stockholm, Sweden","Sydney, Australia","São Paulo, Brazil","Taguig, National Capital Region","Tel Aviv, Israel","Tokyo, Japan","Toronto, Canada","Warsaw, Masovian","Washington, DC","Yogyakarta"]}}