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Data Rater Jobs in Maryland (NOW HIRING)

Apex Informatics

Data Architect

Owings Mills, MD · On-site

$60.75 - $78.25/hr

T Rowe has a need coming up for a Data Architect. I won't have a conversation with manager till ... I don't have rate yet so if you have anyone prior to call just send at most competitive rate. The ...

AaraTechnologies Inc

DATA ANALYST

Maryland City, MD · On-site

... Rate Analysis, Revenue & Margin Analysis, Trend Analysis, Data Cleaning, Data Validation, Data Quality Checks, Ad-hoc Analysis, Reporting Automation Basics, Documentation, Stakeholder Communication

AaraTechnologies Inc

DATA ANALYST

Maryland City, MD · On-site

... Rate Analysis, Revenue & Margin Analysis, Trend Analysis, Data Cleaning, Data Validation, Data Quality Checks, Ad-hoc Analysis, Reporting Automation Basics, Documentation, Stakeholder Communication

Wyetech

Data Scientist 3

Linthicum Heights, MD · On-site

$65.83 - $126.96/hr

Support data engineering operations including data quality checks, pipeline monitoring, workflow ... Hourly pay rates listed for this position serve as a general guideline and are not a guarantee of ...

Wyetech

Data Scientist 3

Linthicum Heights, MD · On-site

$65.83 - $126.96/hr

Support data engineering operations including data quality checks, pipeline monitoring, workflow ... Hourly pay rates listed for this position serve as a general guideline and are not a guarantee of ...

Wyetech

Data Scientist 3

Linthicum, MD · On-site

$65.83 - $126.96/hr

Support data engineering operations including data quality checks, pipeline monitoring, workflow ... Hourly pay rates listed for this position serve as a general guideline and are not a guarantee of ...

Full Sail Media Design

Mail Data Specialist

Baltimore, MD · On-site

$17 - $22.50/hr

... postage rates whenever possible. The Mail Data Specialist will serve as the company's internal mailing strategist by advising Account Managers and clients on list selection, segmentation ...

Full Sail Media Design

Mail Data Specialist

Baltimore, MD · On-site

$17 - $22.50/hr

... postage rates whenever possible. The Mail Data Specialist will serve as the company's internal mailing strategist by advising Account Managers and clients on list selection, segmentation ...

The GEO Group

DATA MANAGER

Baltimore, MD · On-site

... Tuition Rates Disability Insurance Employee Assistance Program 401(k) Pet Insurance Dental ... The Data Manager will be responsible for the overseeing and processing collection, management ...

Full Sail Media Co.

Mail Data Specialist

Baltimore, MD · On-site

$17 - $22.50/hr

... postage rates whenever possible. The Mail Data Specialist will serve as the company's internal mailing strategist by advising Account Managers and clients on list selection, segmentation ...

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All JobsData Rater JobsData Rater Jobs in Maryland

Data Rater information

See Maryland salary details

$10

$28

$73

How much do data rater jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for data rater in Maryland is $28.32, according to ZipRecruiter salary data. Most workers in this role earn between $15.09 and $31.87 per hour, depending on experience, location, and employer.

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 popular job titles related to Data Rater jobs in Maryland? For Data Rater jobs in Maryland, the most frequently searched job titles are:
What job categories do people searching Data Rater jobs in Maryland look for? The top searched job categories for Data Rater jobs in Maryland are:
Data Rater jobs near you
Infographic showing various Data Rater job openings in Maryland as of July 2026, with employment types broken down into 1% As Needed, 81% Full Time, 13% Part Time, 1% Temporary, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $58,913 per year, or $28.3 per hour.

Maps Quality Rater - English Fluency

Welo Data

Baltimore, MD • Remote

$20.30/hr

Full-time

Re-posted 14 hours ago

Job description

Job Title: Maps Quality Rater - English Fluency

What if your everyday search experience could help improve the accuracy and relevance of personalized recommendations used by millions of people worldwide?

WHAT YOU’LL DO

  • Review personalized search queries and location recommendations based on your activity history
  • Evaluate the relevance and usefulness of suggested places, such as restaurants and local businesses

YOU ARE A FIT IF YOU’RE…

  • Located in the United States and fluent in English
  • An active Gmail user with prior Google Maps usage history

PROJECT DETAILS

  • Location: Remote (United States)
  • Employment Type: Freelance
  • Language: English (Fluent)
  • Estimated Commitment: 8–10 hours

BENEFITS

  • $20.30 USD per hour
  • Fully remote and flexible work arrangement

Working at Welo Data

What to expect from working at Welo Data

From Welo Data

About Welo Data, in their own words

From Welo Data

Welo Data is a global AI data services company powering the next generation of AI. We build, annotate, and validate the training datasets that make AI models accurate, safe, and ready for the real world — across languages, cultures, and domains.

Our team of experts spans the globe, combining deep technical knowledge with a human-centered approach. If you want your work to shape how AI understands the world, you'll find your place here.

Diversity and inclusion statement

From Welo Data

Our Strength is derived from Winning Together. Welo Data is unequivocally committed to developing and fostering a workplace and organizational culture that values the diversity of thought and perspective delivered by a diverse global workforce operating within an inclusive organization.