19 junior machine learning engineer jobs at 18 companies in Vallejo, CA

PromotedHiringCafe
ML Engineer - Inference & Model Deployment
Cupertino, CA, US
$250k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Turn powerful AI and ML models into fast, reliable production systems. Own inference latency, throughput, model-serving architecture, multi-GPU systems, and production deployment for millions of users.
Python, PyTorch, vLLM, SGLang, TensorRT, LLMs
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
1mo
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Machine Learning Engineer
Ann Arbor or San Francisco or Houston
$120k-$160k/yr OnsiteFull Time
Mariana Minerals
Mariana Minerals: Building software-first infrastructure to produce and refine critical minerals.
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
1mo
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Machine Learning Engineer II
Palo Alto, California, United States
$145k-$165k/yr HybridFull Time
Match Group
Match GroupNasdaq: MTCH: Provider of a global portfolio of online dating services.
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
Rubrik
RubrikNYSE: RBRK: Secures enterprise data across cloud and on-premises environments.
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
3w
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Machine Learning Engineer
San Francisco, California, United States
$151k-$178k/yr HybridFull Time
Quantcast
Quantcast: AI-powered programmatic advertising and audience intelligence platform.
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
2w
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Machine Learning/Deep Learning Engineer(PhD, New Grad)
Houston or San Francisco
OnsiteFull Time
Bot Auto
Bot Auto: Operates a fleet of autonomous trucks for freight transportation.
Advanced degree (Master's or PhD) in a quantitative field, strong ML/deep learning and computer vision knowledge, proficiency in Python and deep learning frameworks, strong software engineering fundamentals.
Python, PyTorch, TensorFlow, TensorRT, ONNX, CUDA, C++
1mo
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AI/Machine Learning Engineer - Python - Loops
Palo Alto, California, United States
$110k-$120k/yr HybridFull Time
IFS
IFS: Provides enterprise software for asset-intensive and service industries.
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
1mo
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Machine Learning Operations Contractor
Fremont, California, United States
$50-$101/hr OnsiteMultiple Commitments Available
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
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
1w
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Applied AI, Forward Deployed Machine Learning Engineer
Palo Alto or San Francisco
OnsiteFull Time
Mistral AI
Mistral AI: Developing frontier artificial intelligence models and enterprise AI solutions.
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
2mo
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Machine Learning Software Engineer Intern - Winter 2027
San Francisco or New York City
HybridInternship, Temporary
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
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
2mo
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Member of Technical Staff - Machine Learning Capabilities, New Graduates
San Francisco or Toronto or Seattle
$165k-$200k/yr OnsiteFull Time
Preference Model
Preference Model: Building reinforcement learning environments to train frontier AI models.
0+ YOENew graduate ML engineers with strong ML fundamentals, Python proficiency, systems programming, and interest in RL environment design; familiarity with PyTorch or JAX and cloud platforms a plus.
Python, PyTorch, JAX, CUDA, Triton, Pallas, AWS, GCP, Azure
2w
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[2026] Senior Machine Learning Engineer (Systems), Embodied AI/NPCs, ML Platform - PhD Early Career
San Mateo, California, United States
$197k-$243k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
PhD (pursuing or completed) in CS or related field; experience building end-to-end ML pipelines, model inference/deployment, distributed inference and systems optimization, Kubernetes and major cloud providers (AWS/Azure/GCP).
Kubernetes, AWS, Azure, GCP
2w
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[2026] Senior Machine Learning Engineer (Systems), Embodied AI/NPCs, ML Platform - PhD Early Career
San Mateo, California, United States
$197k-$243k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
PhD (pursuing or completed) in a technical field; experience building end-to-end ML pipelines, model inference and deployment, distributed inference systems, Kubernetes and major cloud providers (AWS/Azure/GCP); strong systems and performance optimization skills.
Kubernetes, AWS, Azure, GCP, GPU, LLMs, Roblox Studio IDE
1mo
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Junior Quantitative Analyst
Austin or Chicago or New York or Old Greenwich or San Francisco or West Palm Beach
$150k/yr OnsiteFull Time
WorldQuant
WorldQuant: Develops systematic investment strategies through quantitative research and data.
Undergraduate or advanced degree in a quantitative field; programming in Python and/or C++; Linux experience; strong problem-solving and quantitative skills; interest in financial data, machine learning, and data engineering.
Python, C++, Linux
1mo
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Jr. AI Engineer
Pleasanton, California, United States
$110k-$140k/yr OnsiteFull Time
Vagaro
Vagaro: Cloud-based management platform for beauty and wellness businesses.
0+ YOE0-2 years experience preferred; proficiency in Python, machine learning, deep learning, generative AI, LLM/NLP; some experience with AWS/GCP/Azure and Docker/Kubernetes; strong communication and problem-solving skills.
Python, Docker, Kubernetes, AWS, GCP, Azure, LLM, NLP
1mo
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Senior AI Engineer
Sunnyvale or San Francisco or Bellevue or New York City
$139k-$229k/yr HybridFull Time
LinkedInNASDAQ: MSFT: Professional social network for career development and job recruitment.
2+ YOEBA/BS in CS or related (or equivalent experience); 2+ years software design/development and programming (Java, Python); 2+ years machine learning, data mining, or NLP; strong communication and critical thinking.
Java, Python, SVN, GIT, ant, maven, Hadoop, Pig, MapReduce, Lucene, SOLR
1w
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Senior Research Engineer, GenMedia Safety, DeepMind
Mountain View or New York City or San Francisco
$174k-$253k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
2+ YOEPhD or equivalent experience, minimum 2 years leading research, 2 years with machine learning and language modeling, B.S./PhD-level research experience, strong communication and critical thinking.
2mo
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Last Minute AI-Machine Learning Summer Internship (Gen AI - Multimodal)
Berkeley, California, United States
OnsiteTemporary
Eluvio
Eluvio: Decentralized blockchain platform for high-performance video distribution and monetization
0+ YOEMSc/PhD or advanced undergrad in CS/Engineering/Stats/Math/Physics; strong ML/DL experience; Python/R; CV/NLP knowledge; multi-modal LM experience preferred; good communication and teamwork.
Python, R, TensorFlow, PyTorch, scikit-learn
1mo
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Autonomous Driving Systems Project Manager
Fremont, California, United States
$130k/yr OnsiteFull Time
DeepRoute.ai
DeepRoute.ai: Develops full-stack autonomous driving software and VLA models.
2+ YOEMaster's in Mechanical Engineering (or related) required; 2+ years in planning algorithms and autonomous driving software systems; proficiency in C++, Python, Machine Learning, Git, and simulation tooling.
C++, Python, Machine Learning, Git, simulation tooling
2mo
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Postdoctoral Scholar in Bay Area, California, United States
Berkeley, California, United States
$69k-$107k/yr OnsiteFull Time
Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory: Conducts multidisciplinary scientific research for the U.S. Department of Energy.
PhD in Chemistry, Materials Science, Computational Science, Data Science, Applied Mathematics, Physics, Chemical Engineering or related field; experience with thermodynamics, calorimetry, atomistic simulations, and machine learning modeling; proficient in Python/C++.
Python, C++, Machine Learning, Atomistic Simulations, Thermodynamics, Calorimetry

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