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Data science Jobs in Fullerton, CA

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Data science • fullerton ca

Last updated: 3 hours ago

Remote Software Engineering, Data Science, and Systems Design Experts - AI Trainer ($60-$100 per hour)

MercorStanton, California, US
Remote
Full-time +1

Location:** US-Based and Non-US-Based**Type**: Full-time or Part-time Contract Work **Fluent Language Skills Required:** English **Why This Role Exists** Mercor partners with leading AI teams to im...Show more

Data Entry Clerk

99 Ranch MarketBuena Park, California, United States
Full-time
Quick Apply

Data Entry Clerk (Maintenance).The Data Entry Clerk (Maintenance Coordinator) is responsible for supporting day-to-day maintenance operations across multiple locations by tracking work orders, coor...Show more

Data Entry Clerk

Hall AssociatesSanta Ana, California
Full-time
Quick Apply

Currently seeking a detail-oriented and efficient Data Entry Operator to join our team.As a Data Entry Operator, you will be responsible for accurately inputting and managing data into our computer...Show more

Remote Materials Science Expert - AI Trainer ($55-$75 per hour)

MercorOrange, California, US
Remote
Full-time

Role Overview** Mercor is partnering with leading AI labs on **Project Atlas** — an initiative to build realistic enterprise environments that frontier AI agents are trained and evaluated in.We're ...Show more

Sr. Data Scientist

omega solutions incSanta Ana, California, United States
Full-time

Data Scientist Santa Ana, CA 6 months Job Description :What is the specific title of the position? Senior Data ScientistWhat Project/Projects will the candidate be working on while on assignment? 1...Show more

Data Entry Tech

Johnson Service GroupOrange, CA, US
Full-time
Quick Apply

Johnson Service Group (JSG) is seeking a Data Entry Tech for a Health Plan Organization in Orange, California.Work Schedule: Monday- Friday, 8:00am- 5:00pm .Must have minumum 1 year data entry expe...Show more

Data Science Intern

REVOLVECerritos, CA, US
Part-time +1

Brand Partnerships Intern role:.This is an internship role for a candidate who will use a diverse skill sets across math and computer science, dedicated to solving complex and analytically challeng...Show more

Computer Science Instructor.

NOCCCDAnaheim, CA, US
Full-time +1

Fringe allowance to be used at employee’s discretion ($2,646.Voluntary (Medical/Dependent Day Care) Flexible Spending Account.Deferred Compensation Program (403(b)/457 plans).Abundant Professional ...Show more

Data Analyst

Behr Process LLCSanta Ana,California,US
Full-time

To thrive as a Data Analyst, you’ll use a strong analytical approach.You will turn complex data into clear, actionable insights that support hard-working business and sales decisions.In this role, ...Show more

Data Collection - Driver

Staffworthy IncorporatedSANTA ANA, CA, USA
Full-time

We are hiring Vehicle Operators to support a growing autonomous driving program focused on real-world data collection and testing.In this role, you will operate test vehicles on assigned routes, he...Show more

Accounting / Data Entry Clerk

G3 Quality, Inc.Cerritos, CA, US
Part-time +1
Quick Apply

Accounting Clerk (Part-Time, Entry-Level) Location:.Onsite – Cerritos, CA Department: Accounting Employment Type: Part-Time, Permanent Schedule: 25–30 hours per week, as needed | Flexible days Pay ...Show more

Nutrition Science Product Development

Excelsior Nutrition IncAnaheim, CA, US
Full-time

The Nutrition Science Product Development performs various project duties supporting the product development.This includes FPS process, formulation, bill of materials database maintenance, and reco...Show more

Sr. Marketing Science Analyst- Retail Media

Albertsons CompanyFullerton, CA, United States
Full-time

Analyst Marketing Science Engagement.Are you ready to take the next step in your career? Join us for an exciting opportunity at Albertsons Companies, where innovation and customer service go hand-i...Show more

Data Scientist

TradeJobsWorkForce92701 Santa Ana, CA, US
Full-time

Data Scientist Job Duties: Formulates and leads guided, multifaceted analytic studies against large volumes of data.Interprets and analyzes data using exploratory mathematic and statistical techn...Show more

 • Promoted

Science Summer Instructor

CSU Fullerton Auxiliary Services CorporationFullerton, CA, US
Full-time

Develop and implement a creative hands-on curriculum focused on topics such as genetics, anatomy and/or physiology.The course is to be delivered to three separate classes over six weeks.Prepare and...Show more

Senior Human Resources Decision Science Consultant

Disney ExperiencesAnaheim, California, United States
Full-time

We make the impossible possible.We do this through utilizing and developing cutting-edge technology and pushing the envelope to bring stories to life through our movies, products, interactive games...Show more

 • New!

Netflix Data Analyst

TradeJobsWorkforce90630 Cypress, CA, US
Full-time

Join our growing team as a Netflix Data Analyst to perform daily responsibilities with dedication.Provide excellent interactions with customers and colleagues.Provide excellent interactions with cu...Show more

 • Promoted

Remote Materials Science Expert - AI Trainer ($55-$75 per hour)

MercorNorwalk, California, US
Remote
Full-time

Role Overview** Mercor is partnering with leading AI labs on **Project Atlas** — an initiative to build realistic enterprise environments that frontier AI agents are trained and evaluated in.We're ...Show more

Data Specialist (Jr. Accountant)

CR&R IncorporatedStanton, CA, United States
Full-time

Corp (Stanton) - Stanton, CA 90680.Position Type Full Time Job Shift Day Category Accounting / Finance (ACT).Help drive compliance and reporting accuracy behind essential environmental services.Acc...Show more

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Remote Software Engineering, Data Science, and Systems Design Experts - AI Trainer ($60-$100 per hour)

Remote Software Engineering, Data Science, and Systems Design Experts - AI Trainer ($60-$100 per hour)

MercorStanton, California, US
18 days ago
Job type
  • Full-time
  • Part-time
  • Remote
Job description
  • Location : US-Based and Non-US-Based Type : Full-time or Part-time Contract Work
  • Fluent Language Skills Required : English Why This Role Exists Mercor partners with leading AI teams to improve the quality, usefulness, and reliability of general-purpose conversational AI systems. These systems are used across a wide range of everyday and professional scenarios, and their effectiveness depends on how clearly, accurately, and helpfully they respond to real user questions. In coding and software engineering contexts, conversational AI systems must demonstrate correct reasoning, strong problem-solving ability, and adherence to real-world engineering best practices. This project focuses on evaluating and improving how models reason about code, generate solutions, and explain technical concepts across a variety of programming tasks and complexity levels. What You’ll Do - Evaluate LLM-generated responses to coding and software engineering queries for accuracy, reasoning, clarity, and completeness - Conduct fact-checking using trusted public sources and authoritative references - Conduct accuracy testing by executing code and validating outputs using appropriate tools - Annotate model responses by identifying strengths, areas of improvement, and factual or conceptual inaccuracies - Assess code quality, readability, algorithmic soundness, and explanation quality - Ensure model responses align with expected conversational behavior and system guidelines - Apply consistent evaluation standards by following clear taxonomies, benchmarks, and detailed evaluation guidelines Who You Are - You hold a BS, MS, or PhD in Computer Science or a closely related field - You have significant (3+ years) real-world experience in software engineering or related technical roles - You are an expert in at least two relevant programming languages (e.g., Python, Java, C++, C, JavaScript, Go, Rust, Ruby, SQL, Powershell, Bash, Swift, Kotlin, R, TypeScript, HTML / CSS) - You are able to solve HackerRank or LeetCode Medium and Hard–level problems independently - You have experience contributing to well-known open-source projects, including merged pull requests - You have significant experience using LLMs while coding and understand their strengths and failure modes - You have strong attention to detail and are comfortable evaluating complex technical reasoning , identifying subtle bugs or logical flaws Nice-to-Have Specialties - Prior experience with RLHF, model evaluation, or data annotation work - Track record in competitive programming - Experience reviewing code in production environments - Familiarity with multiple programming paradigms or ecosystems - Experience explaining complex technical concepts to non-expert audiences What Success Looks Like - You identify incorrect logic, inefficiencies, edge cases, or misleading explanations in model-generated code, technical concepts, and system design discussions - Your feedback improves the correctness, robustness, and clarity of AI coding outputs - You deliver reproducible evaluation artifacts that strengthen model performance - Mercor customers trust AI systems to assist reliably with real-world coding tasks Why Join Mercor At Mercor, experienced software engineers play a direct role in shaping how AI systems reason about and generate code. This remote role allows you to apply your technical expertise to high-impact AI development work, improving systems used by developers around the world.