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Data scientist Jobs in Vacaville, CA

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Data scientist • vacaville ca

Last updated: 13 hours ago
Remote Senior Data Scientist - AI Trainer

Remote Senior Data Scientist - AI Trainer

SuperAnnotateDixon, California, US
Remote
Full-time
As a Senior Data Scientist, you will work remotely on an hourly paid basis to review AI-generated analytical reasoning, code, and model outputs, as well as generate high-quality reference solutions...Show moreLast updated: 18 days ago
Clinical Laboratory Scientist II (Per Diem, Day)

Clinical Laboratory Scientist II (Per Diem, Day)

NorthBay HealthcareFairfield, CA, US
Full-time
At NorthBay Health the Clinical Laboratory Scientist II is a staff level position reporting directly to the Supervisor, Laboratory Director and the Medical Director assigned to perform, interpret, ...Show moreLast updated: 30+ days ago
Bilingual Data Specialist

Bilingual Data Specialist

Medavie Blue CrossCA
Full-time +1
For over 75 years, Medavie Blue Cross has been a leading health and wellness partner for individuals, employers and governments across Canada. As a not-for-profit organization, we proudly invest in ...Show moreLast updated: 30+ days ago
  • New!
Direct Data Entry Operator I

Direct Data Entry Operator I

WestamericaFairfield, CA, United States
Full-time
Westamerica is among the largest commercial banks headquartered in California.We are looking for outstanding people to join our winning team. We reached our current strength because our employees, c...Show moreLast updated: 13 hours ago
Senior Data Scientist

Senior Data Scientist

Swinerton IncorporatedFairfield CA
Full-time
Annual SalaryWe are seeking a Senior Data Scientist to design, develop, and deploy advanced analytics and AI solutions that address complex business challenges. In this role, you will collaborate wi...Show moreLast updated: 11 days ago
  • Promoted
Remote Study Data Coordinator (Hiring Immediately)

Remote Study Data Coordinator (Hiring Immediately)

Maxion ResearchDixon, California, US
Remote
Full-time +1
Part-time Research Study Personnel (Pay up to $790 / wk.Due to demand, we are now accepting applications for personnel to participate in our local in-person and nationwide remote research studies.Thi...Show moreLast updated: 26 days ago
Direct Data Entry Operator I

Direct Data Entry Operator I

Westamerica BankSuisun, CA, US
Full-time
Westamerica is among the largest commercial banks headquartered in California.We are looking for outstanding people to join our winning team. We reached our current strength because our employees, c...Show moreLast updated: 30+ days ago
  • Promoted
Data Entry Product Support - No Experience

Data Entry Product Support - No Experience

GLOCPAFairfield, California
Full-time
We’re looking for Customer Support Product Testers across the US to work from home and help top brands improve their products before they hit the market.Show moreLast updated: 30+ days ago
Senior Engineer / Scientist | Top Secret clearance

Senior Engineer / Scientist | Top Secret clearance

GDITMugu, Point, CA, USA
Full-time
Seize your opportunity to make a personal impact as a.GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career. At GDIT, people are our differentiator....Show moreLast updated: 30+ days ago
Data Science Intern

Data Science Intern

LonzaUS, Vacaville ,California
Full-time
We are actively recruiting candidates to participate in our 2026 On-site Internship program.This position is 12 weeks in length and will immerse you in the culture and operations of Lonza Vacaville...Show moreLast updated: 3 days ago
  • Promoted
Clinical Lab Scientist III (Full Time, Day)

Clinical Lab Scientist III (Full Time, Day)

NorthBay HealthVacaville, CA, United States
Full-time
At NorthBay Health The Clinical Laboratory Technologist III, Section Lead reports directly to the Supervisor, Laboratory Director and the Medical Director and is assigned to perform accurate and ti...Show moreLast updated: 12 days ago
Data Analyst

Data Analyst

Barrow Wise ConsultingCA, USA
Full-time
Quick Apply
Enjoy problem-solving, need a venue to display your creativity, and emerging technologies pique your interest; if so, Barrow Wise Consulting, LLC is for you. As a multi-disciplined leader, you under...Show moreLast updated: 30+ days ago
  • Promoted
Remote Financial Advising Expert - AI Trainer ($50-$60 / hour)

Remote Financial Advising Expert - AI Trainer ($50-$60 / hour)

Data AnnotationFairfield, CA, United States
Full-time +1
We are looking for a finance professional to join our team to train AI models.You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of ...Show moreLast updated: 2 days ago
  • New!
Provider Data Entry Specialist - Healthcare

Provider Data Entry Specialist - Healthcare

TEKsystemsFairfield, CA, US
Full-time
We’re looking for a detail‑oriented.In this role, you’ll ensure provider information is accurate and up‑to‑date, supporting smooth claims processing and reliable co...Show moreLast updated: 17 hours ago
Staff Data Scientist

Staff Data Scientist

CrunchbaseCalifornia, United States
Full-time
Crunchbase helps over 75 million people around the world connect with the companies and people that matter.Powered by best-in-class proprietary data, Crunchbase is democratizing access to opportuni...Show moreLast updated: 30+ days ago
Data Scientist, Autonomous Vehicle Infrastructure Analytics

Data Scientist, Autonomous Vehicle Infrastructure Analytics

NVIDIARemote, CA, US
Remote
Full-time
One way to picture building autonomous vehicles is that autonomy is the product of a factory.That factory consists of multiple production lines : collecting and labeling datasets, training neural ne...Show moreLast updated: 30+ days ago
Remote Data Scientist (Kaggle-Grandmaster) - AI Trainer ($56-$77 per hour)

Remote Data Scientist (Kaggle-Grandmaster) - AI Trainer ($56-$77 per hour)

MercorFairfield, California, US
Remote
Full-time
Role Description • • Mercor is hiring on behalf of a leading AI research lab to bring on a highly skilled • •Data Scientist • • with a • •Kaggle Grandmaster profile. In this role, you will transform compl...Show moreLast updated: 3 days ago
Data Integrity Specialist

Data Integrity Specialist

S and S Supplies & SolutionsFairfield, CA, US
Full-time
Total Safety is looking for a Data Integrity Specialist to add to their safety conscious team! Data Integrity Specialist must represent our company well by being responsible, punctual and motivated...Show moreLast updated: 3 days ago
Data Integrity Specialist

Data Integrity Specialist

Total SafetyFairfield, CA, US
Full-time
Total Safety is looking for a Data Integrity Specialist to add to their safety conscious team! Data Integrity Specialist must represent our company well by being responsible, punctual and motivated...Show moreLast updated: 3 days ago
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Remote Senior Data Scientist - AI Trainer

Remote Senior Data Scientist - AI Trainer

SuperAnnotateDixon, California, US
18 days ago
Job type
  • Full-time
  • Remote
Job description

As a Senior Data Scientist, you will work remotely on an hourly paid basis to review AI-generated analytical reasoning, code, and model outputs, as well as generate high-quality reference solutions and explanations for complex data problems. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in methodology, modeling choices, or statistical reasoning; fact-check quantitative claims; write clear, step-by-step explanations and model solutions that demonstrate correct methods; and rate and compare multiple AI responses based on correctness and reasoning quality.

This is a fully remote, hourly paid contractor role with SME Careers, a fast-growing AI data services company and subsidiary of SuperAnnotate that provides AI training data to many of the world’s largest AI companies and foundation model labs. Your data science expertise will directly contribute to improving the world’s premier AI models used across products and industries.

Key Responsibilities :

  • Develop AI Training Content : Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
  • Optimize AI Performance : Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
  • Ensure Model Integrity : Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Your Profile :

  • Bachelor’s degree or higher in Data Science, Computer Science, Statistics, Mathematics, or a closely related quantitative field.
  • 5+ years of professional experience as a Data Scientist or in a closely related analytical role, working on end-to-end machine learning projects.
  • Strong proficiency in Python for data analysis and machine learning, including libraries such as pandas, NumPy, scikit-learn, and related tooling.
  • Solid background in statistics, experimental design, and applied probability, with experience designing and analyzing controlled experiments.
  • Hands-on experience building, evaluating, and deploying machine learning models in real-world business or product environments.
  • Advanced SQL skills and comfort working with large, complex datasets from data warehouses or data lakes.
  • Minimum C1 English proficiency (written and spoken), with the ability to write clear quantitative explanations and follow detailed English-language guidelines.
  • Experience with data visualization tools or dashboards and the ability to present analytical findings to stakeholders.
  • Previous experience with AI data training, annotation, or reviewing AI-generated analytical content is a strong plus.
  • Highly detail-oriented and systematic, with a strong focus on quality, reproducibility, and careful evaluation of reasoning steps.