27 large language model engineer jobs at 21 companies in Berkeley, CA

PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
1w
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Machine Learning Engineer - Model Inference
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Apply deep learning and large language models to improve search quality and customer experience; partner with research and product teams and deliver measurable results at global scale.
1mo
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Senior Production Engineer
San Francisco or Sunnyvale
$209k-$253k/yr OnsiteFull Time
Crusoe
Crusoe: Provides energy-efficient cloud infrastructure powered by stranded and renewable 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
1d
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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: Building probabilistic AI and thermodynamic computing for semiconductor design.
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
1mo
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Sr. AI Engineer, Special Programs
Palo Alto or Washington
HybridFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
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
3mo
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ML Engineer
San Francisco, California, United States
$190k-$320k/yr OnsiteFull Time
Sesame
Sesame: Designing wearable computers with lifelike voice-driven AI agents.
Expert-level PyTorch; production ML software engineer; large language model training; evaluation metrics; ML lifecycle expertise; track record shipping production ML.
PyTorch, Python, Machine Learning tooling, Production code
3mo
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Senior Staff Machine Learning Engineer (Coupang AI Foundations)
Seattle or Mountain View
HybridFull Time
Coupang
CoupangNYSE: CPNG: Provides an end-to-end e-commerce and logistics network.
8+ YOE8+ years in AI/ML; Bachelors in CS or related field; 5+ years in AI/ML techniques; experience with large language models or related systems preferred.
Python, Machine Learning, Deep Learning, Large Language Models, Agents/Tokenization (as applicable), Algorithms
1mo
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Software Engineer
San Francisco or Seattle
$146k-$235k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management 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
3w
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AI Engineer
Mountain View, California, United States
$150k-$190k/yr OnsiteFull Time
AI Fund
AI Fund: Builds and invests in artificial intelligence startups.
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
2mo
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Conversational Modelling Research Engineer
San Francisco or London
RemoteFull Time
Tavus
Tavus: Develops AI models for creating emotionally intelligent digital humans.
PhD (or near completion) in a relevant field; strong background in large multimodal models and generative language models; experience in fine-tuning/adapting VLMs; strong PyTorch skills.
PyTorch, Deep Learning
3w
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Embedded Legal Engineer
Palo Alto, California, United States
$100k-$145k/yr HybridFull Time
Palantir
PalantirNasdaq: PLTR: Developing software platforms for data integration and analytics.
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)
1mo
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Research Engineer - Scalable Interpretability
San Francisco, California, United States
$250k-$500k/yr OnsiteFull Time
Transluce
Transluce: Develops open-source tools for AI interpretability and safety evaluation.
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
2w
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Research Engineer, Life Sciences
San Francisco, California, United States
$350k-$500k/yr HybridFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence 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
2mo
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Senior Staff ll, AI Engineer (L7-2)
Mountain View, California, United States
$171k-$351k/yr OnsiteFull Time
Coupang
CoupangNYSE: CPNG: Provides online retail, grocery delivery, and video streaming services.
3+ YOE3 years of software engineering experience with expertise in Large Language Models and Generative AI; strong product-driven engineering mindset; experience owning end-to-end AI applications; knowledge of prompt engineering, LLM orchestration, vector databases, and MLOps.
LLMs, Generative AI, LangChain, LlamaIndex, vector databases, MLOps, RAG pipelines
3d
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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
2w
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Senior Software Engineer
Mountain View, California, United States
$221k-$253k/yr HybridFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
3+ YOEBachelor's (or Master's) in CS/related plus 3–5+ years experience; 3 years with C++ and algorithm design; experience productionizing large language/multimodal models or ML infrastructure; BSA in RL or speech/audio tech preferred; strong communication and critical thinking.
C++
1mo
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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: Develops social networking platforms and virtual reality technologies.
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
3mo
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Senior Engineering Manager, AI Agents
San Francisco, California, United States
$264k-$300k/yr HybridFull Time
Asana
AsanaNYSE: ASAN: Software platform for team project management and workflow automation.
7+ YOE4+ Mgmt7+ years software engineering; 4+ years leading technical teams; hands-on AI with large language models; cross-functional collaboration; scale-focused platform experience.
LLMs, AI tooling, Platform engineering
4d
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Senior Machine Learning Engineering Manager
San Mateo, California, United States
$295k-$345k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D 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.
3mo
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Product Manager, Ghostwriter
San Francisco, California, United States
$230k-$390k/yr OnsiteFull Time
Sierra
Sierra: Conversational AI platform for building enterprise customer agents
3+ YOE3+ years product management; experience with large language models; track record from 0→1; strong technical depth with engineers.
Large Language Models, API design, AI platform engineering
1mo
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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: Conducts biomedical research to extend the healthy human lifespan.
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