49 junior machine learning engineer jobs at 35 companies in Fairfax, CA
1d
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Machine Learning Engineer
San Francisco, California, United States
$176k/yr HybridFull Time
1+ YOEMaster's in computational science and engineering or related machine learning field plus 1 year of experience with deep learning, LLMs, Python, cloud infrastructure, evaluation, monitoring, and distributed inference.
Python, Hugging Face, OpenAI, Gemini, Anthropic, AWS, GCP, OpenAI SDK, Gemini SDK, Anthropic SDK, Hugging Face Transformers, GPT, Mistral, LLaMA
2mo
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Machine Learning Engineer
Ann Arbor or San Francisco or Houston
$120k-$160k/yr OnsiteFull Time
0+ YOE0–4 years ML or scientific computing experience; strong ML fundamentals and deep learning exposure; reinforcement learning a plus; proficiency in Python; ability to debug codebases and collaborate with process/chemistry experts.
Python
2mo
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Machine Learning Engineer II
Palo Alto, California, United States
$145k-$165k/yr HybridFull Time
1+ YOEBS/MS in CS or related field, 1+ year industry ML/software experience, strong CS fundamentals, proficiency in Python and one other language (Java/Kotlin/Go/Scala), experience building ML systems, strong communication.
Python, Java, Kotlin, Go, Scala
1mo
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Senior Machine Learning Engineer
Palo Alto, California, United States
$189k-$283k/yr OnsiteFull Time
2+ YOEBachelor's in a technical field required, 2+ years production ML experience, proficiency in Python and PyTorch, experience training/fine-tuning/distilling language models, serving low-latency models, and building closed-loop data and evaluation pipelines.
Python, PyTorch, vLLM, SGLang, TensorRT-LLM, LoRA, DPO, RLAIF, RLHF, GRPO, FP8, INT8, KV-cache, MCP, LiteLLM, Google ADK, Azure AI Foundry, Vertex AI
2w
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Machine Learning Engineer, Core Engineering
San Francisco or Palo Alto or Seattle or United States
$139k-$286k/yr RemoteFull Time
2+ YOE2+ years applying machine learning; hands-on experience building data pipelines, large-scale ML systems, and big data technologies; bachelor's degree or equivalent experience.
Hadoop, Spark, Cursor, Copilot, Codex, SQL
1w
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Machine Learning Engineer, Assistant Quality
San Francisco, California, United States
$180k-$205k/yr HybridFull Time
2+ YOE2+ years industry ML or applied AI experience, production ML ownership, LLM/NLP/search experience, strong coding in Python/Go/Java/C++, experimentation and evaluation skills.
Python, Go, Java, C++, LLM, RAG, Microsoft Teams, Zoom, ServiceNow, Zendesk, GitHub
1d
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Imaging Machine Learning Engineer
Mountain View, California, United States
$132k-$189k/yr OnsiteFull Time
2+ YOEBachelor’s degree or equivalent practical experience; 2 years in image quality or computer vision; 2 years using Python and C++ for algorithm development. Communication skills required.
Python, C++, Machine Learning (ML)
1mo
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Machine Learning Engineer
Mountain View or Bellevue or San Francisco
$143k-$215k/yr OnsiteFull Time
Bachelor's in CS or related, strong foundation in ML systems or distributed systems, experience with Python and data-intensive workloads, familiarity with ML frameworks and workflow orchestration.
PyTorch, Ray, Airflow, Flyte, Python, TensorFlow, Spark
21h
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Machine Learning Engineer
San Mateo, California, United States
OnsiteFull Time
2+ YOEAbout two years of production ML experience, strong Python and PyTorch or TensorFlow skills, and experience with transformers, embeddings, tokenization, LLMs, retrieval, fine-tuning, structured extraction, or evaluation.
Python, PyTorch, TensorFlow, LoRA, QLoRA, Ray, Apache Spark, Apache Kafka, vLLM
1mo
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Machine Learning Engineer
San Francisco, California, United States
$151k-$178k/yr HybridFull Time
0+ YOENew grad to 1 year experience; US work authorization without sponsorship; hybrid role in San Francisco (within 60-mile radius); fluency in Python or Java; strong math/statistics and ML algorithm knowledge; interest in distributed systems.
Python, Java, NLP, LLMs
4w
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Machine Learning Engineer, Tapestry
Mountain View, California, United States
$166k-$244k/yr HybridFull Time
Early-career ML engineer with degree in CS/ML/statistics, strong Python and PyTorch/TensorFlow skills, experience building/deploying ML systems at scale; cloud experience desirable.
Python, PyTorch, TensorFlow, AWS, GCP, Azure
1mo
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Machine Learning Engineer, Agentic Systems - Moveworks
Mountain View, California, United States
OnsiteFull Time
2+ YOE2+ years building production backend/infrastructure systems; strong Python or Go; experience with distributed systems, async concurrency, event-driven architectures, DynamoDB, Redis, SQS/Kafka, gRPC, OpenTelemetry, and observability.
DynamoDB, Redis, SQS, Kafka, gRPC, Socket.IO, Python asyncio, Go, OpenTelemetry, Prometheus, protobuf
2mo
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AI/Machine Learning Engineer - Python - Loops
Palo Alto, California, United States
$110k-$120k/yr HybridFull Time
2+ YOE2+ years Python/backend engineering experience; proficiency in Python, familiarity with JavaScript/TypeScript; hands-on experience with OpenAI, Hugging Face, LangChain, vector DBs (Pinecone, Weaviate), RESTful APIs, JSON, and CI/CD; strong testing and debugging skills.
Python, JavaScript, TypeScript, OpenAI, Hugging Face, LangChain, Pinecone, Weaviate, LLMs, RAG, vector DBs, RESTful APIs, JSON, CI/CD
1w
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Machine Learning Engineer, Marketplace Optimization
San Francisco or Sunnyvale
$137k-$299k/yr OnsiteFull Time
Bachelor's, master's, or doctoral degree in a relevant field; production ML experience; Python, Java, or C++; ML frameworks; AI coding tools; strong ML, statistics, communication, and collaboration skills.
Claude Code, Codex, Cursor, Python, Java, C++, TensorFlow, PyTorch, XGBoost, Gem, Covey
2mo
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Machine Learning Operations Contractor
Fremont, California, United States
$50-$101/hr OnsiteMultiple Commitments Available
2+ YOEBS (5 yrs) or MS/PhD (2 yrs) in EE/CS/Physics/Photonics; proven AI/ML model development and deployment experience; proficiency with TensorFlow, PyTorch, scikit-learn, Python, C/C++; cloud and on-prem inference experience; photonics/manufacturing domain knowledge preferred.
TensorFlow, PyTorch, scikit-learn, Python, C/C++, LibTorch, CUDA, ONNX, AWS, GCP, Azure, Kubernetes
2w
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Machine Learning Engineer, Local Search & Marketplace
Mountain View, California, United States
$190k-$300k/yr OnsiteFull Time
Experience building ML/search/recommendation systems, strong programming in Python/Java/C++, ability to work with large datasets, and collaboration and communication skills.
Python, Java, C++, PyTorch, TensorFlow, Spark, Kubernetes
1mo
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Applied AI, Forward Deployed Machine Learning Engineer
Palo Alto or San Francisco
OnsiteFull Time
2+ YOEPhD or master in AI/data science,2+ years technical experience,LLM fine-tuning and RAG/agent experience,API and product deployment,Python and PyTorch proficiency,strong communication;fluent English.
Python, PyTorch, Langchain, vector DBs
3mo
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Machine Learning Software Engineer Intern - Winter 2027
San Francisco or New York City
HybridInternship, Temporary
Currently enrolled in an M.Sc. or Ph.D. in computer science or related field; strong backend programming skills (Python, PySpark, PyTorch); ML experience, LLM familiarity preferred; excellent communication and learning mindset.
Python, PySpark, PyTorch, LLMs
3w
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Data Scientist/Machine Learning Engineer
Redwood City, California, United States
$125k-$150k/yr OnsiteFull Time
2+ YOEBachelor's in CS/EE/Statistics (MS/PhD preferred), ~2 years relevant experience, strong Python and applied ML skills, scalable ML experience, strong math and communication skills.
Python, MapReduce, Amazon AWS, Microsoft Azure, Google Cloud Services
4d
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Student Worker - Machine Learning Engineer - Data Mining & VLM
Foster City, California, United States
$30/hr OnsiteContract
Currently enrolled in a relevant BS or MS program; strong Python, PySpark, and SQL; ML/VLM evaluation and production LLM/VLM experience; available 40 hours weekly for at least three months.
Python, PySpark, SQL, Scala, Git, Spark, LLM, VLM, RAG
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