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27 large language model engineer jobs at 18 companies in Union City, CA

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Large Language Model Training System Engineer Graduate (Applied Machine Learning) - 2027 Start
San Jose, California, United States
OnsiteFull Time
Volcengine
Volcengine: -owned cloud and AI services platform providing enterprises with cloud infrastructure, data, AI, and digital transformation tools.
Bachelor's or master's degree in computer science or related field, proficiency in Python, Rust, or C++, and experience with training framework design or system optimization preferred.
Python, Rust, C++, SFT, RL
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Manager, Large Language Model Inference
Santa Clara or California
$184k-$357k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Computing platform for AI and accelerated graphics.
7+ YOE3+ MgmtMS, PhD, or equivalent in a technical field; 7+ years software engineering experience, including 3+ years technical leadership; C++ or Python; LLM/VLM expertise; team leadership experience.
C++, Python, CUDA, TensorRT-LLM, vLLM, SGLang
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2mo
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Senior Production Engineer
San Francisco or Sunnyvale
$209k-$253k/yr OnsiteFull Time
Crusoe
Crusoe: Vertically integrated AI infrastructure and energy.
Senior production engineer with distributed systems experience, hands-on with large language models, SRE mindset, and strong programming skills (Python, Go, Java, or C++), Kubernetes knowledge, and collaborative skills.
Python, Go, Java, C++, Kubernetes
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1mo
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Research Engineer, Algorithms
New York City or London or Palo Alto or Copenhagen or Seoul
$300k-$400k/yr OnsiteFull Time
Normal Computing
Normal Computing: Applied AI and silicon hardware/software serving semiconductor design and manufacturing institutions.
Deep knowledge of large-model inference, stochastic systems, and numerical methods; experience implementing algorithms on real hardware; strong Python and systems-language programming skills.
Python
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Sr. AI Engineer, Special Programs
Palo Alto or Washington
HybridFull Time
SpaceX
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
5+ YOE5+ years software engineering; strong Python; Bachelor's degree or equivalent; experience with AI/ML and large language models.
Python, APIs, AWS, GCP, Azure, Docker, Kubernetes
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NVIDIA 2027 Internships: Ph.D. Research Large Language Models
Santa Clara, California, United States
$38-$94/hr OnsiteInternship
NVIDIA
NVIDIANASDAQ: NVDA: Computing platform for AI and accelerated graphics.
Actively pursuing a Ph.D. in computer science, electrical engineering, or a related field through the internship; research publications, communication, collaboration, and relevant programming or AI model experience required.
Python, C++, CUDA, PyTorch, TensorFlow, JAX
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Software Engineer
San Francisco or Seattle
$146k-$235k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provides intelligent agreement management and e-signature software solutions.
5+ YOE5+ years software engineering, distributed systems, backend architecture, ML model deployment, Python plus another typed language, Kubernetes, Kafka/Service Bus, large-scale systems, SLAs/SLOs
Python, Kubernetes, Kafka, Service Bus, Temporal, Ray, Spark, Azure, GCP, Model serving, infrastructure as code
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2mo
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AI Engineer
Mountain View, California, United States
$150k-$190k/yr OnsiteFull Time
AI Fund
AI Fund: AI Fund is a privately held venture studio that-founds early-stage artificial-intelligence companies with entrepreneurs and partners.
3+ YOE3+ years software engineering experience with end-to-end ownership of production AI applications, experience with large language or multimodal models, SQL/NoSQL, frontend/backend/cloud, retrieval and agentic systems, and strong communication.
large language models, multimodal models, SQL, NoSQL, APIs, cloud infrastructure
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Embedded Legal Engineer
Palo Alto, California, United States
$100k-$145k/yr HybridFull Time
Palantir Technologies
Palantir TechnologiesNYSE: PLTR: Builds software that empowers organizations to integrate and analyze data.
2+ YOE2+ years software engineering experience; proficiency in Python, Java, C++, TypeScript/JavaScript; hands-on experience using Large Language Models (LLMs); strong cross-functional collaboration and communication skills.
Python, Java, C++, TypeScript, JavaScript, Large Language Models (LLMs)
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Research Engineer - Scalable Interpretability
San Francisco, California, United States
$250k-$500k/yr OnsiteFull Time
Transluce
Transluce: Independent nonprofit AI research lab building open tools for public oversight and scalable evaluation of AI systems.
Experience fine-tuning language models, designing architectures, creating evaluations, strong programming, experimental design, and communication; ability to scale training/inference for very large models.
SWE-bench, predictive concept decoders, user model extractors
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Research Engineer, Life Sciences
San Francisco, California, United States
$350k-$500k/yr HybridFull Time
Anthropic
Anthropic: AI research developing safe and steerable AI systems.
Experience training and evaluating large language models, Python proficiency, building large-scale data pipelines, strong communication and independent collaboration skills; bachelor’s degree or equivalent required.
Python, Docker, Kubernetes
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Senior/Staff Machine Learning Engineer, Search & Knowledge Platforms
Santa Clara, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designing and manufacturing consumer electronics, software, and digital services.
Experienced machine learning engineer to develop search and Q&A experiences using search technologies and large language models in a high-performance computing environment.
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Principal Scientist - Data Pipeline Engineer
San Jose or Seattle or San Francisco
$206k-$388k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics
10+ YOE10+ years in data engineering/ML infrastructure, distributed systems expertise, Python and a systems language, experience with Ray or Spark, GPU inference optimization, large-scale databases and data curation for model training.
Ray, Spark, Python, C++, Rust, Go, Java
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NVIDIA 2027 Internships: Ph.D. Research Large Language Models
Santa Clara, California, United States
$38-$94/hr OnsiteFull Time, Internship
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
Current Ph.D. enrollment in computer science, electrical engineering, or related field throughout the internship; research publications, communication skills, and experience with listed programming and deep learning technologies.
Python, C++, CUDA, PyTorch, TensorFlow, JAX
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Senior Software Engineer
Mountain View, California, United States
$226k-$252k/yr HybridFull Time
Google DeepMind
Google DeepMind: DeepMind is a private AI research laboratory developing safe artificial intelligence systems for Alphabet.
4+ YOEBachelor's degree and 4 years experience; C++ development; algorithm and data structure design; productionizing large language/multimodal models or ML infrastructure; root cause analysis; software design and systems architecture.
C++
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AI Infra Engineer Graduate (Recommendation & LLM) 2027 Start (PhD)
San Jose or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$162k-$388k/yr OnsiteFull Time
TikTok
TikTok: Short-form mobile video and social media platform.
PhD in computer science or related field; strong C++ or Python skills; knowledge of algorithms, computer systems, PyTorch or TensorFlow, Transformer architectures, and large language models.
C++, Python, PyTorch, TensorFlow, CUDA, Triton, FSDP, ZeRO, FlashAttention
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2mo
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Research Engineer (Technical Leadership), FAIR Data - Meta Superintelligence Labs
Menlo Park, California, United States
$219k-$301k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Builds technologies that help people connect, find communities, and grow businesses.
4+ YOEBachelor's degree in CS or equivalent; 4+ years industry research experience in data curation for large language/media models; 4+ years formal technical lead experience; published research; experience leading cross-functional technical initiatives.
SQL, Spark, Hive, Python, PyTorch, Ray, DataFlow
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1mo
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Member of Technical Staff — Agent Post-Training
San Francisco, California, United States
OnsiteFull Time
Moonlake AI
Moonlake AI: AI is a frontier AI lab building world models and simulation infrastructure for physical AI.
Experience training large language, vision-language, multimodal, or code models; strong reinforcement learning and post-training expertise; distributed training and high-throughput systems experience; Python and PyTorch/JAX proficiency.
Python, PyTorch, JAX
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Senior Machine Learning Engineering Manager
San Mateo, California, United States
$295k-$345k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Global platform for user-created immersive digital experiences.
5+ YOE5+ years building large-scale ML systems, 2+ years with vision-language or foundation models, strong systems and infrastructure experience, cross-functional collaboration, and people leadership.
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2mo
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AI Data Scientist-Furman lab
Novato, California, United States
$60k-$75k/yr OnsiteFull Time
Buck Institute for Research on Aging
Buck Institute for Research on Aging: Independent nonprofit biomedical research institute studying aging and age-related disease to help people live healthier, longer lives.
Master's degree or equivalent experience; strong Python skills; deep experience with large language models, agentic AI, RAG/vector systems, AI APIs, and modern software engineering; experience with harmonizing and modeling large biomedical/omics datasets.
Python, Docker, APIs, cloud platforms, vector databases, embeddings, retrieval-augmented generation (RAG), Large Language Models (LLMs), LLM-based developer tools, AI agent frameworks, vector search
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