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1,084 ml developer jobs at 452 companies in Fairfield, CA

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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
Help us #BeatIndeed & #BeatLinkedIn
1mo
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ML Engineer
San Francisco, California, United States
OnsiteFull Time
Mach9
Mach9: AI-powered software that automates feature extraction from geospatial data.
Master's/PhD or equivalent experience; strong computer vision and deep learning background; experience productionizing ML models; knowledge of 3D geometry; proficiency in Python and production ML libraries.
Python, PyTorch, JAX, TensorFlow, TensorRT, ONNX Runtime, Weights & Biases, Digital Surveyor
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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
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Founding ML Engineer
San Francisco, California, United States
$150k-$300k/yr OnsiteFull Time
Capable
Capable: Early-stage biotech developing novel peptide-based therapeutics.
Experienced in biomolecular modeling and ML for drug discovery; ability to fine-tune protein/structure models, build ML systems that integrate with wet-lab workflows, and evaluate model impact on drug development.
ESM, AlphaFold-family models, RFdiffusion, ProteinMPNN
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3mo
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ML Engineer
San Francisco or Toronto
HybridFull Time
Human Computer Lab
Human Computer Lab: A research-focused robotics building intelligent, embodied AI systems.
3+ YOE3+ years in machine learning for robotics or perception; proficient in Python/C++; PyTorch experience; knowledge of computer vision or multimodal AI; experience deploying ML systems to hardware.
Python, C++, PyTorch
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2w
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Sr. ML Engineer – ML & Applied AI
San Francisco, California, United States
$181k-$236k/yr OnsiteFull Time
Gap Inc.
Gap Inc.NYSE: GAP: Global specialty retailer of apparel and accessories.
10+ YOE10+ years building production ML systems; strong Python and software engineering; experience with ML frameworks, model serving, MLOps, cloud platforms, and distributed data processing.
Python, scikit-learn, XGBoost, PyTorch, TensorFlow, FastAPI, Flask, Docker, Kubernetes, GCP, AWS, Azure, Git, Spark, PySpark, Databricks
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1mo
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ML ENGINEER (GENERAL)
San Francisco, California, United States
OnsiteFull Time
MakerMaker
MakerMaker: Small San Francis-based team building autonomous ML systems
6+ YOESenior ML engineer with 6+ years building production-grade ML systems; strong Python; distributed systems experience; familiar with Ray, Kubernetes, and experimentation infrastructure.
Python, PyTorch, JAX, Ray, Slurm, Kubernetes
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1mo
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Senior ML Engineer, Agentic AI
San Francisco or California
$160k-$210k/yr HybridFull Time
Ellipsis Health
Ellipsis Health: AI-powered voice agent for healthcare care management.
5+ YOEBachelor's in CS/ML/Statistics/Engineering or equivalent; 5+ years software development (or 2+ post-PhD); advanced Python and distributed ML experience (PyTorch, JAX, TensorFlow); proven production LLM/agent deployments; technical leadership.
Python, PyTorch, JAX, TensorFlow
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2mo
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Senior ML Engineer
San Francisco or Denver or Montreal or Toronto
RemoteFull Time
Saris AI
Saris AI: Automates banking back-office workflows using autonomous AI agents.
4+ YOE4+ years in ML/AI, production ML, strong LLMs, prompt engineering, evals, model routing, customer impact tooling.
LLMs, prompt engineering, evals, model routing, tooling
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1mo
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AI/ML Engineer
San Francisco, California, United States
$155k-$205k/yr OnsiteFull Time
Ello
Ello: AI-powered reading coach for children developing literacy skills.
3+ YOE3+ years building AI products; strong Python; experience with evaluation, research, and ML foundations.
Python, Jupyter, Machine Learning
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1mo
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Staff AI/ML Engineer
New York City or San Francisco or London or Sydney
$240k-$270k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
10+ YOEBachelor's degree required; 10+ years building and deploying production-grade AI/ML systems; deep ML/DL knowledge; full ML lifecycle experience; experience adapting or training foundation models.
SQL, Python, AWS, GCP, Azure
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1mo
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Applied ML Engineer
San Francisco or Singapore
HybridFull Time
Adaption
Adaption: Develops efficient AI systems that adapt in real-time.
4+ YOE4+ years ML or applied research experience, 2+ years customer-facing technical experience, strong software engineering skills, familiarity with PyTorch/JAX/TensorFlow, and excellent communication.
PyTorch, JAX, TensorFlow
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3mo
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ML Compiler Engineer
San Bruno, California, United States
OnsiteFull Time
femtoAI
femtoAI: Developing ultra-efficient edge AI accelerator chips and software.
2+ YOE2+ years in compilers or edge-AI; Python and/or C++; experience with MLIR/LLVM/TVM/XLA; graph Transformations; ML model internals; understanding of deep learning models; balance of correctness and performance.
Python, C++, MLIR, LLVM, TVM, XLA, PyTorch, ONNX
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1mo
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Staff Agentic ML Engineer - Photoshop
San Jose or Waltham or San Francisco or Seattle or Los Angeles or New York City or California
$190k-$346k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics
8+ YOEMaster's or PhD in CS/ML/Data Science, 8+ years ML experience, expertise in LLMs, fine-tuning (SFT, RLHF, DPO, PEFT/LoRA), agent system development, evaluation frameworks; proficiency with PyTorch and agentic frameworks; strong communication and problem-solving.
PyTorch, LangChain, LangGraph, MCP, A2A, Agent Development Kit (ADK), Claude Code, Codex, Cursor
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2mo
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ML Research Engineer - Research
San Francisco or New York City
HybridFull Time
Achira
Achira: AI foundation models for atomistic simulation and drug discovery.
Strong software engineering, ML research experience, PyTorch/JAX, HPC, and PhD or equivalent work in ML/scientific computing.
PyTorch, JAX, Git, Python, HPC
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2mo
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Applied A.I. / ML Engineer
San Francisco or New York City
$250k-$300k/yr HybridFull Time
Manifold Industries
Manifold Industries: Builds AI-powered software for national security decision makers.
Bachelor's degree or equivalent experience; end-to-end ML system deployment; multiple ML paradigms.
Python, Machine Learning, MLOps, Causal Inference, Bayesian Methods, Deep Learning, Gradient Boosting, LLMs
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3mo
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Senior AI/ML Engineer
Redwood City or San Francisco
$192k-$240k/yr HybridFull Time
Snorkel AI
Snorkel AI: Software platform for programmatic AI data development and labeling.
6+ YOE6+ years in cloud-native, customer-facing software; experience with AI/ML pipelines, distributed systems, Python; AWS, GCP, or Azure; enterprise startup experience.
Python, AWS, GCP, Azure, Docker, Kubernetes, Terraform, LLM infrastructure, Distributed systems
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1mo
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Senior/Staff ML Engineer, Model Integration
San Francisco, California, United States
OnsiteFull Time
ComfyUI
ComfyUI: Modular visual AI platform for building and automating workflows.
Senior-level ML engineer with experience porting open-source diffusion/LLM models into production and integrating them in ComfyUI.
ComfyUI, Open-source models
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1d
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Principal ML Engineer
Irving or San Francisco or Charlotte or Iselin
$159k-$305k/yr OnsiteFull Time
Wells Fargo
Wells FargoNYSE: WFC: Global provider of banking, investment, and mortgage financial services.
7+ YOE7+ years engineering experience, 5+ years Python and ML frameworks, experience with clustering, unsupervised learning, knowledge graphs, MLOps, and productionizing agentic systems.
Python, LLMs, MLOps
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2mo
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ML Engineer, Post-Training and Evaluation
San Francisco or New York City
OnsiteFull Time
Reflection AI
Reflection AI: Developing open-source frontier artificial intelligence models and coding agents.
3+ YOEApplied ML experience with hands-on fine-tuning of language models; familiarity with SFT, DPO, RLHF; strong software engineering; 3+ years; customer-facing; self-starter.
Python, PyTorch, GPUs, Data pipelines, Version control
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1mo
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Senior AI/ML Engineer
Chicago or New York City or San Francisco or Seattle
$172k-$238k/yr HybridFull Time
Chime
ChimeNasdaq: CHYM: Provides mobile banking and financial tools for everyday consumers.
Deep expertise in sequential and deep learning, end-to-end ML lifecycle, experience with large-scale financial/behavioral data, MLOps, and tools like AWS, SageMaker, Kafka, Airflow, Redis, Snowflake, Spark; strong Python and SQL skills.
AWS, SageMaker, Kafka, Airflow, Redis, Snowflake, Spark, Python, SQL, PyTorch, PySpark
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