Data Scientist Jobs in California

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Oliver Wyman - Sr. Lead Data Scientist or Principal Data Scientist

Marsh & McLennan Companies

Remote or Boston, Massachusetts, USA

Full-time

Company: Oliver Wyman Description: Boston, Chicago, New York, Dallas, Toronto, Montreal Lead Data Scientist WHO WE ARE Oliver Wyman is a global leader in management consulting. With offices in 50+ cities across 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, finance, operations, technology, risk management, and organizational transformation. Our 4000+ professionals help clients optimize their business, improve their IT, operations, and ris

Data Scientist Graduate (Product Analytics, USDS) - 2025 Start (BS, MS)

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A119909 Apply to this job Share this listing: Responsibilities Team Intro: The Data Science team of the Tech and Product department at TikTok USDS is responsible for building high-quality and timely data solutions for the business as the single source of truth and for building easy-to-use and scalable data products to support business growth. We are looking for talented individuals to join our team in 2025. As a graduate, you will g

Data Scientist, Senior (Security Clearance) - Remote Role

ICF

Remote or Arlington, Virginia, USA

Full-time

ICF International seeks an experienced Senior Data Scientist to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems. The successful cleared candidate will act as a Senior Data Scientist to support a large federal cyber security analytic program. Your work will contribute to the knowledge of how cyber-attacks work, how vulnerabilities are exploited, and the way hostile cyber actors operate.

Senior Data Scientist

Mass General Brigham

Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par

Sr Data Scientist - Financial Crimes & Fraud Prevention, VP (Hybrid)

Citi

Remote or San Antonio, Texas, USA

Full-time

The Business Analytics Lead Analyst is a member of the Fusion Analytics Team under FFC. This role will be tasked with creating analytical solutions across all LOB's utilizing statistical and advanced analytical techniques and drive strategic insights and decision making. An ideal candidate will have strong expertise in machine learning, predictive modeling and financial data analysis. Experience in digital fraud detection and cybersecurity will be a strong advantage. You will need to collaborate

Data Scientist Job Family - Generative AI, Machine Learning, Python, R - Remote

Molina Healthcare

Remote or Long Beach, California, USA

Full-time

Job Description Job Description Job Summary Responsible for overseeing data science projects, managing and mentoring a team, and aligning data initiatives with business goals. Lead the development and implementation of data models, collaborate with cross-functional teams, and stay updated on industry trends. Ensure ethical data use and communicate complex technical concepts to non-technical stakeholders. Lead initiatives on model governance and model ops to align with regulatory and security

Sr Data Scientist (Gen AI, LLM)

CloudBCLabs

Remote

Full-time, Third Party

Job Description Education: MS in Computer Science, Statistics, Math, Engineering, or related field, PhD preferred 3+ years of relevant experience in building large scale machine learning or deep learning models and/or systems 1+ year of experience specifically with deep learning (e.g., CNN, RNN, LSTM) 1+ year of experience building NLP, LLM and GenAI tools. Experience with LoRA, LangChain, RAG, LLM Fine Tuning and PEFT are preferred. Demonstrated skills with Jupyter Notebook, AWS Sagemaker, or

Machine Learning Scientist Intern (TikTok-Data-Plus) - 2025 Fall (PhD)

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A60146B Apply to this job Share this listing: Responsibilities About the Team Recommendation algorithm team plays a central role in the company, driving critical product decisions and platform growth. The team is made up of machine learning researchers and engineers, who support and innovate on production recommendation models and drive product impact. The team is fast-pacing, collaborative and impact-driven. We are looking for talen

Senior Data Scientist (Gen AI/ LLM)

CloudBCLabs

Remote or Reston, Virginia, USA

Full-time

Role: Senior Data Scientist (Gen AI/ LLM) Location: Reston, VA Duration: Long term Job Description Client is looking LLM Data Scientist with very strong Generative AI experience.Experience building Vector DB, NLP, LLM and GenAI tools. Experience with LoRA, LangChain, RAG, LLM Fine Tuning and PEFT are preferred. 1+ year of experience specifically with deep learning (e.g., CNN, RNN, LSTM) 1+ year of experience building NLP, LLM and GenAI tools. Experience with LoRA, LangChain, RAG, LLM Fine Tunin

Data Engineer (Python)

Connect Tech+Talent

Remote

Full-time

Senior Data Scientist Remote (Austin, TX (Preferred) or Dallas, TX (Other locations also considered) Full Time The gird is evolving at a rapid pace. Coal and combined-cycle gas plants are being replaced by wind power, solar power, batteries and simple-cycle gas plants. The electric grid power flows and prices change in real time. Data analyses are required to answer basic questions about the change in energy volatility and pricing. Specific skills and experience include the following: Undergra

Research Scientist Intern (TikTok- Data- RecScience) - 2025 Summer (PhD)

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A108483A Apply to this job Share this listing: Responsibilities Our team's mission is to empower GenAI and content understanding in TikTok businesses. Computer vision and natural language processing are important dimensions in both content generation and understanding. We are working on various foundational models, including multi-modality pre-training, multi-modal large language model, image generation, video generation etc. As a Ge

Sr. NLP Data Scientist/Machine Learning Engineer

Satsyil Corporation

Remote

Full-time

Role: Sr NLP Data Scientist/Machine Learning Engineer. Location: 1775 Tysons Blvd, VA Duration: FTE. Job Description: They will play a role as an expert consultant to federal agency partners, develop project plans and manage delivery activities, providing leadership and influencing adoption of technical AI/ML solutions. Evaluate the integration of Artificial Intelligence (AI) solutions into next generation tools and processes to enhance technology solutions to support continuous improvements and

Jr. Data Sceintist - Remote

ConsultNet, LLC

Remote

Full-time

Title: Jr. Data Scientist Location : 100% Remote Target Start Date : ASAP Type: contract or CTH Pay Rate: DOE We're seeking a Junior Data Scientist who excels at building production-grade models, quantifying real-world impact, and optimizing data workflows. This role combines analytics with strategic collaboration to drive measurable business outcomes. Key Responsibilities Model Development & Deployment Work on the end-to-end lifecycle of predictive models-classification, regression, anomaly

Vice President, Engineering - Data Science and Data Engineering Products

NVIDIA Corporation

Santa Clara, California, USA

Full-time

NVIDIA is seeking a forward-thinking leader to spearhead our initiatives in the transformative field of accelerated computing, which is revolutionizing data science and data engineering. NVIDIA accelerated data science starts from a shared core of high-performance libraries that power a broad stack of higher-level technologies. These include the open source RAPIDS libraries for every data scientist, AI data platforms like NeMo Curator and Morpheus, and data processing engines to accelerate Apach

Senior Software Engineer, Evaluation and Metrics - Autonomous Vehicles

NVIDIA Corporation

Santa Clara, California, USA

Full-time

Want to join a fun, creative company that is on the cutting edge of outstanding technologies? NVIDIA is developing groundbreaking solutions in some of the world's most exciting technology areas including Virtual Reality, Artificial Intelligence, Deep Learning and Autonomous Vehicles. We're looking for a data scientist to take ownership of and deliver a crucial component of our evaluation strategy for autonomous vehicle (AV) development. You'll be responsible for building scalable evaluation syst

Senior Analytics Engineer

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Analytics Engineer

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Sr. Machine Learning Engineer

General Motors

Remote

Full-time

Job Description Research, design, develop and test robotic and machine learning applications for an AV company. Duties may include: Contribute to the complete machine learning cycle: data collection, labeling, processing, algorithm design, model training, and evaluation. Formulate problem statements specific to autonomous operations and design innovative solutions to address them. Design novel machine learning models and algorithms, including new deep learning architectures, loss functions, and

Fraud & Risk Analyst II

Motion Recruitment Partners, LLC

Mountain View, California, USA

Full-time

Our client, a leader in financial software is hiring a Fraud & Risk Analyst to join their team in Mountain View, CA! You will have the opportunity to work a hybrid schedule (3 days onsite / 2 days remote). Contract Duration: 6 months to start (possibility to extend) Required Skills and Experience: Strong business acumen and exceptional analytical ability, with at least 5-7 years of relevant experience in fraud analysis, prevention, and detection. Preferred experience with the Fintech Working kn

AI/ML Engineer

Universal Business Consulting

Remote

Contract

Contract- 12 Months We are seeking an experienced data scientist with expertise in AIOps and IT Operations to spearhead our Event Management Program. The ideal candidate will possess a deep understanding of data analytics, machine learning algorithms, and IT operations to help automate and optimize our event correlation and incident response systems. What Our AIOps Team Does: We integrate data from various monitoring platforms to achieve a comprehensive view of our IT environment.We harness the