Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Quick apply
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Quick apply
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Quick apply
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Quick apply
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Quick apply
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Washington, DC · On-site
$26 - $28/hr
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Quick apply
Washington, DC · On-site
$26 - $28/hr
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Quick apply
Execute Data labelling and annotation tasks across speech and voice datasets. * Work with audio and language data, including transcription, categorization, and tagging. YOU ARE A FIT IF YOU'RE... * A ...
Washington, DC · On-site
$50 - $55/hr
Administer CVAT + SAM 2 toolchain in coordination with the Data & Annotation Engineer * Facilitate standups, working sessions, and phase gate preparation * Coordinate Technical Writer onboarding and ...
Washington, DC · On-site
$50 - $55/hr
Administer CVAT + SAM 2 toolchain in coordination with the Data & Annotation Engineer * Facilitate standups, working sessions, and phase gate preparation * Coordinate Technical Writer onboarding and ...
Washington, DC · Remote
$100 - $200/hr
Data Annotation * Data Interpretation * Fact Checking * Independent Research * Problem-Solving * Attention to Detail Preferred Qualifications * 3+ years of experience in Data Science, Machine ...
Quick apply
Washington, DC · Remote
$100 - $200/hr
Data Annotation * Data Interpretation * Fact Checking * Independent Research * Problem-Solving * Attention to Detail Preferred Qualifications * 3+ years of experience in Data Science, Machine ...
You will manage the full model lifecycle - from assessing and curating training data through annotation, training, evaluation, and deployment to edge platforms. The day-to-day * Training and fine ...
You will manage the full model lifecycle - from assessing and curating training data through annotation, training, evaluation, and deployment to edge platforms. The day-to-day * Training and fine ...
Reston, VA · On-site +1
Develop and maintain annotation standards, labeling guidelines, and data governance processes to ensure consistency and reproducibility across projects * Conduct IV&V of datasets and model outputs to ...
New
Reston, VA · On-site +1
Develop and maintain annotation standards, labeling guidelines, and data governance processes to ensure consistency and reproducibility across projects * Conduct IV&V of datasets and model outputs to ...
New
Ashburn, VA · On-site
$18.40 - $23.03/hr
Provide feedback on annotation challenges and report biological observations * Perform computer automated analysis and quality control on large data sets * Perform preparative work for experiments or ...
Ashburn, VA · On-site
$18.40 - $23.03/hr
Provide feedback on annotation challenges and report biological observations * Perform computer automated analysis and quality control on large data sets * Perform preparative work for experiments or ...
Washington, DC · Remote
$100 - $200/hr
Data Annotation * Data Interpretation * Fact Checking * Independent Research * Problem-Solving * Attention to Detail Preferred Qualifications * 3+ years of experience in Data Science, Machine ...
Quick apply
Washington, DC · Remote
$100 - $200/hr
Data Annotation * Data Interpretation * Fact Checking * Independent Research * Problem-Solving * Attention to Detail Preferred Qualifications * 3+ years of experience in Data Science, Machine ...
Washington, DC · Remote
$100 - $200/hr
Data Annotation * Problem-Solving * Independent Research * Attention to Detail Preferred Qualifications * Minimum 3 years of experience in private equity, venture capital, investment banking, equity ...
Quick apply
Washington, DC · Remote
$100 - $200/hr
Data Annotation * Problem-Solving * Independent Research * Attention to Detail Preferred Qualifications * Minimum 3 years of experience in private equity, venture capital, investment banking, equity ...
Bethesda, MD · On-site
$90K - $120K/yr
Review whole-genome sequence and annotation data from individual laboratories and large-scale sequencing projects. * Evaluate genome submissions for biological integrity, consistency, accuracy, and ...
Bethesda, MD · On-site
$90K - $120K/yr
Review whole-genome sequence and annotation data from individual laboratories and large-scale sequencing projects. * Evaluate genome submissions for biological integrity, consistency, accuracy, and ...
Bethesda, MD · On-site
$90K - $120K/yr
Review nucleotide sequence and annotation data submitted by individual laboratories and large-scale sequencing projects. * Evaluate submissions for biological integrity, consistency, accuracy ...
Bethesda, MD · On-site
$90K - $120K/yr
Review nucleotide sequence and annotation data submitted by individual laboratories and large-scale sequencing projects. * Evaluate submissions for biological integrity, consistency, accuracy ...
Review nucleotide sequence and annotation data submitted by individual laboratories and large-scale sequencing projects. * Evaluate submissions for biological integrity, consistency, accuracy ...
Quick apply
Review nucleotide sequence and annotation data submitted by individual laboratories and large-scale sequencing projects. * Evaluate submissions for biological integrity, consistency, accuracy ...
The role will help reduce manual review time, support annotation and characterization of observations, and create repeatable tools that enable scientists to extract meaningful information from ...
The role will help reduce manual review time, support annotation and characterization of observations, and create repeatable tools that enable scientists to extract meaningful information from ...
Review whole-genome sequence and annotation data from individual laboratories and large-scale sequencing projects. * Evaluate genome submissions for biological integrity, consistency, accuracy, and ...
Quick apply
Review whole-genome sequence and annotation data from individual laboratories and large-scale sequencing projects. * Evaluate genome submissions for biological integrity, consistency, accuracy, and ...
Bethesda, MD · On-site
$134K - $185K/yr
NCBI's annotation pipelines not only serve these diverse expert communities - they actually drive new life sciences discoveries, ranging from medical health (viruses and pandemics, genetic diseases ...
Bethesda, MD · On-site
$134K - $185K/yr
NCBI's annotation pipelines not only serve these diverse expert communities - they actually drive new life sciences discoveries, ranging from medical health (viruses and pandemics, genetic diseases ...
Bethesda, MD · On-site +1
$134K - $185K/yr
NCBI's annotation pipelines not only serve these diverse expert communities - they actually drive new life sciences discoveries, ranging from medical health (viruses and pandemics, genetic diseases ...
Bethesda, MD · On-site +1
$134K - $185K/yr
NCBI's annotation pipelines not only serve these diverse expert communities - they actually drive new life sciences discoveries, ranging from medical health (viruses and pandemics, genetic diseases ...
$50.5K is the 25th percentile. Wages below this are outliers.
$46K - $50.9K
27% of jobs
The median wage is $54.5K / yr.
$50.9K - $55.8K
31% of jobs
$58.4K is the 75th percentile. Wages above this are outliers.
$55.8K - $60.7K
32% of jobs
$60.7K - $65.5K
4% of jobs
$65.5K - $70.4K
0% of jobs
$70.4K - $75.3K
0% of jobs
$75.3K - $80.2K
0% of jobs
$80.2K - $85.1K
1% of jobs
$85.1K - $89.9K
2% of jobs
$89.9K - $94.8K
0% of jobs
$94.8K - $99.7K
3% of jobs
$46K
$59.7K
$99.7K
An annotation job involves labeling or tagging data, such as text, images, audio, or video, to help train artificial intelligence and machine learning models. Annotators manually or semi-automatically add metadata, such as identifying objects in images, transcribing speech, or categorizing text. This process improves AI accuracy by providing high-quality training data. Annotation work is crucial for industries like autonomous driving, healthcare, and natural language processing.
Annotation specialists typically work on projects involving the labeling and categorizing of data—such as images, videos, audio, or text—to train machine learning models. Weekly tasks may include reviewing raw data, applying specific tagging guidelines, performing quality checks on completed annotations, and collaborating with team members or machine learning engineers to ensure accuracy and consistency. Frequent feedback sessions and ongoing updates to annotation instructions are common as project requirements evolve. This role often requires close teamwork and clear communication within a collaborative environment, especially for large-scale or rapidly changing projects.
Excelling in an Annotation role generally requires keen attention to detail, strong analytical abilities, and a high level of accuracy, often backed by a relevant educational background. Familiarity with annotation tools, data labeling software, and sometimes basic programming or data management platforms is valuable. Effective time management, consistency, and clear communication are soft skills that differentiate top performers. These competencies are crucial to ensuring data quality and supporting the development of machine learning and AI systems.
The most popular types of Annotation jobs in Ashburn, VA are:
For Annotation jobs in Ashburn, VA, the most frequently searched job titles are:
The top searched job categories for Annotation jobs in Ashburn, VA are:
Cities near Ashburn, VA with the most Annotation job openings:

$38/hr
Full-time
Medical, Dental, Vision, Life, Retirement, PTO
Re-posted 12 days ago
What if your language expertise could help improve the speech and voice AI systems used by millions of people worldwide?
WHAT YOU’LL DO
• Execute Data labelling and annotation tasks across speech and voice datasets.
• Work with audio and language data, including transcription, categorization, and tagging.
YOU ARE A FIT IF YOU’RE…
• A French speaker with strong written communication skills
• Experienced in data labelling, annotation, content review, or similar detail-oriented work (2-4 year preferred)
• A Bachelor's degree holder
PROJECT DETAILS
• Location: 100% Onsite (Bay Area, Seattle, NYC, or client-dependent locations)
• Employment Type: W2 Full-Time Employee
• Hours: 40 hours per week
• Work Authorization: Must be authorized to work in the U.S. (no visa sponsorship available)
• Eligible Locations: NYC, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, Burlingame, Austin, Los Angeles, Washington DC, Chicago, and Boston
BENEFITS
• $38 per hour
• Paid Vacation (6 days)
• Paid Company Holidays
• Paid Sick Leave
• Employee Assistance Program
• Health Savings Account (HSA)
• 401(k) Retirement Plan
• Additional Voluntary Benefits (Life, Accident, Critical Illness, etc.)
ADDITIONAL BENEFITS (Upon Eligibility)
• Medical, Dental, and Vision Insurance
• Free Breakfast, Lunch, and Dinner (where applicable)
• Stocked Micro-Kitchens with Snacks and Beverages
• Commuter Benefits, Including Shuttles and Bike-to-Work Options
• Unique Campus Amenities Depending on Location
From Welo Data
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.
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.
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Data services and translation services
1,001 - 5,000 Employees
New York, NY, US