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Data Rater Jobs in California (NOW HIRING)

Judge Group, Inc.

Data Engineer III

Newport Beach, CA · On-site

$70 - $75/hr

Message & data rates apply and message frequency may vary. Consistent with Judge's Privacy Policy, information obtained from your consent will not be shared with third parties for marketing ...

Centraprise

Data Analyst

Santa Clara, CA · On-site

... rater feedback. • Conduct data quality assessment on labeled sets to identify biases and refine the framework/training. • Collaborate with Data Science/Engineering to prototype, validate, and ...

Shield HealthCare

Data Analyst

Valencia, CA · On-site

$70K - $90K/yr

Enhance order review accuracy to improve cash collection rate, reduce write-offs and Accounts ... large data sets * Proficiency in Microsoft 365 (Excel (Expert), Outlook, PowerPoint, Word ...

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Data Rater information

What are the key skills and qualifications needed to thrive as a data rater, and why are they important?

To thrive as a Data Rater, you need strong analytical abilities, attention to detail, and proficiency in following detailed guidelines, often requiring at least a high school diploma or equivalent. Familiarity with web-based evaluation tools, spreadsheets, and sometimes proprietary rating platforms is typically expected. Excellent time management, critical thinking, and effective written communication are valuable soft skills for excelling in this role. These skills ensure accurate and consistent data evaluation, which directly impacts the quality and effectiveness of machine learning models and search algorithms.

What are some common challenges data raters face, and how can they effectively manage them?

Data Raters often encounter challenges such as maintaining consistency in their evaluations, understanding complex guidelines, and managing repetitive tasks. To effectively handle these, it's important to regularly review guideline updates, seek clarification from team leads when unsure, and use productivity techniques to stay focused during long periods of rating. Collaborating with peers through forums or team meetings can also help share best practices and resolve ambiguities.

What is the difference between Data Rater vs Data Annotator?

AspectData RaterData Annotator
Required CredentialsHigh school diploma or equivalent; some roles may require basic technical skillsHigh school diploma; some roles may prefer familiarity with annotation tools
Work EnvironmentRemote or office-based; often involves reviewing data for qualityRemote or office-based; involves labeling or tagging data for machine learning
Employer & Industry UsageTech companies, data services, AI firmsAI and machine learning companies, data labeling services

Data Raters primarily review and assess data quality, ensuring accuracy and consistency, while Data Annotators focus on labeling data to train machine learning models. Both roles are essential in AI development, often sharing similar skills and work environments, but differ in their specific tasks and objectives.

What is a data rater?

Data Raters are professionals who evaluate and provide feedback on data, such as search engine results, advertisements, and social media content, to help improve the accuracy and relevance of algorithms. They often work with large tech companies to assess whether content meets specific quality guidelines and user intent. Data Raters typically work remotely on a part-time or flexible schedule, and their work is crucial in training artificial intelligence systems to better understand human preferences.
What are the most commonly searched types of Data Rater jobs in California? The most popular types of Data Rater jobs in California are:
What are popular job titles related to Data Rater jobs in California? For Data Rater jobs in California, the most frequently searched job titles are:
What job categories do people searching Data Rater jobs in California look for? The top searched job categories for Data Rater jobs in California are:
Data Rater jobs near you
Infographic showing various Data Rater job openings in California as of July 2026, with employment types broken down into 1% As Needed, 83% Full Time, 12% Part Time, 1% Temporary, and 3% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.

Data Scientist III

Kforce Technology Staffing

Mountain View, CA • On-site

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago

Job description

RESPONSIBILITIES:
A client with Kforce is seeking a Data Scientist III to join their team in Mountain View, CA.
Summary:
In this role, you will support the client's CRM and lifecycle marketing programs. We are seeking a Data Scientist for FY27. This individual will partner with marketing stakeholders to define and measure key business metrics and identify and execute opportunities to improve performance and positively impact business results.
Duties:
* Performs business analysis using various techniques, e.g., statistical analysis, explanatory and predictive modeling, and data mining
* Determines best practices and develops actionable insights and recommendations for current business operations
* Works directly with internal or external clients to identify analytical requirements
* Produces ad hoc data analyses and reports
* Assist in implementing or developing systems to capture business operation information
* May occasionally guide less experienced business data analysts
REQUIREMENTS:
* Bachelor's degree in Business Analytics, Marketing Analytics, Statistics, Computer Science, Economics, or a related quantitative field; Master's degree in Data Analytics, Business Intelligence, or Marketing Analytics is a plus
* Equivalent work experience in data analysis or marketing reporting may be considered in place of formal education
* Segmentation & Personalization: Experience with audience segmentation, customer targeting, personalization strategies, and dynamic content to improve campaign performance
* CRM Performance Metrics: Knowledge of KPIs such as open rate, click-through rate (CTR), click-to-open rate (CTOR), conversion rate, unsubscribe rate, churn, retention, customer lifetime value (LTV), and engagement metrics
* ETL Knowledge: Familiarity with data pipelines and tools (e.g., Superglue, Alteryx, Informatica, dbt, Airflow)
* Statistical Analysis: Understanding of statistical methods, A/B testing, regression analysis, and forecasting
* Customer Journey Analytics: Understanding of customer behavior, funnel analysis, cohort analysis, and journey performance to identify opportunities for improving engagement and retention
* CRM Strategy & Lifecycle Marketing: Understanding of customer lifecycle stages, retention strategies, customer journeys, and lifecycle campaign optimization
* Data Visualization Tools: Expertise in tools like Qlik Sense for building dashboards and reports
* SQL Proficiency: Writing complex queries to extract, join, and transform data from relational databases
* Scripting Languages: Python or R for advanced data analysis and automation (nice-to-have)
* Campaign Measurement & Optimization: Ability to measure, analyze, and optimize CRM campaigns across email, push notifications, SMS, in-app messaging, and other owned channels
The pay range is the lowest to highest compensation we reasonably in good faith believe we would pay at posting for this role. We may ultimately pay more or less than this range. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. This range may be modified in the future.
We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave.
Note: Pay is not considered compensation until it is earned, vested and determinable. The amount and availability of any compensation remains in Kforce's sole discretion unless and until paid and may be modified in its discretion consistent with the law.
This job is not eligible for bonuses, incentives or commissions.
Kforce is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.
By clicking ?Apply Today? you agree to receive calls, AI-generated calls, text messages or emails from Kforce and its affiliates, and service providers. Note that if you choose to communicate with Kforce via text messaging the frequency may vary, and message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You will always have the right to cease communicating via text by using key words such as STOP.

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