19 junior machine learning engineer jobs at 18 companies in Vallejo, CA
🚀PromotedHiringCafe
ML Engineer - Inference & Model Deployment
Cupertino, CA, US
$250k-$310k/yrOn-SiteFull Time
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.
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.
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.
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.
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
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.
Machine Learning/Deep Learning Engineer(PhD, New Grad)
Houston or San Francisco
OnsiteFull Time
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++
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.
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.
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.
Member of Technical Staff - Machine Learning Capabilities, New Graduates
San Francisco or Toronto or Seattle
$165k-$200k/yrOnsiteFull Time
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.
[2026] Senior Machine Learning Engineer (Systems), Embodied AI/NPCs, ML Platform - PhD Early Career
San Mateo, California, United States
$197k-$243k/yrHybridFull Time
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).
[2026] Senior Machine Learning Engineer (Systems), Embodied AI/NPCs, ML Platform - PhD Early Career
San Mateo, California, United States
$197k-$243k/yrHybridFull Time
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
Austin or Chicago or New York or Old Greenwich or San Francisco or West Palm Beach
$150k/yrOnsiteFull Time
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.
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.
Sunnyvale or San Francisco or Bellevue or New York City
$139k-$229k/yrHybridFull 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.
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.
Last Minute AI-Machine Learning Summer Internship (Gen AI - Multimodal)
Berkeley, California, United States
OnsiteTemporary
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.
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.
Postdoctoral Scholar in Bay Area, California, United States
Berkeley, California, United States
$69k-$107k/yrOnsiteFull Time
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++.