Data & Annotation Engineer
$55 - $60/hr
As the Data/Annotation Engineer, you'll be hands-on with the data itself. You'll administer the annotation toolchain, manage annotation workflows across the corpus, and produce the per-dataset ...
$55 - $60/hr
As the Data/Annotation Engineer, you'll be hands-on with the data itself. You'll administer the annotation toolchain, manage annotation workflows across the corpus, and produce the per-dataset ...
$55 - $60/hr
As the Data/Annotation Engineer, you'll be hands-on with the data itself. You'll administer the annotation toolchain, manage annotation workflows across the corpus, and produce the per-dataset ...
Washington, DC · On-site
$75 - $80/hr
You'll partner with the Solution Architect and Data/Annotation Engineer to turn raw corpora into high-quality, model-ready data. This role suits an engineer who's fluent across modern AI tooling and ...
Washington, DC · On-site
$75 - $80/hr
You'll partner with the Solution Architect and Data/Annotation Engineer to turn raw corpora into high-quality, model-ready data. This role suits an engineer who's fluent across modern AI tooling and ...
Washington, DC · On-site
$75 - $80/hr
You'll partner with the Solution Architect and Data/Annotation Engineer to turn raw corpora into high-quality, model-ready data. This role suits an engineer who's fluent across modern AI tooling and ...
Washington, DC · On-site
$75 - $80/hr
You'll partner with the Solution Architect and Data/Annotation Engineer to turn raw corpora into high-quality, model-ready data. This role suits an engineer who's fluent across modern AI tooling and ...
Washington, DC · On-site
Own annotation quality for a delivery team. A Senior Annotator personally handles the hardest annotation work, runs the QA process everything else passes through, trains and develops junior ...
New
Washington, DC · On-site
Own annotation quality for a delivery team. A Senior Annotator personally handles the hardest annotation work, runs the QA process everything else passes through, trains and develops junior ...
New
Geospatial AI Data Annotator Data annotation is an essential component in training artificial intelligence/machine learning (AI/ML) algorithms. As a member of the Enabled Intelligence annotation team ...
Geospatial AI Data Annotator Data annotation is an essential component in training artificial intelligence/machine learning (AI/ML) algorithms. As a member of the Enabled Intelligence annotation team ...
Falls Church, VA · On-site
$20 - $24/hr
Geospatial AI Data Annotator Data annotation is an essential component in training artificial intelligence/machine learning (AI/ML) algorithms. As a member of the Enabled Intelligence annotation team ...
Falls Church, VA · On-site
$20 - $24/hr
Geospatial AI Data Annotator Data annotation is an essential component in training artificial intelligence/machine learning (AI/ML) algorithms. As a member of the Enabled Intelligence annotation team ...
Falls Church, VA · On-site
$20 - $24/hr
Geospatial AI Data Annotator Data annotation is an essential component in training artificial intelligence/machine learning (AI/ML) algorithms. As a member of the Enabled Intelligence annotation team ...
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Falls Church, VA · On-site
$20 - $24/hr
Geospatial AI Data Annotator Data annotation is an essential component in training artificial intelligence/machine learning (AI/ML) algorithms. As a member of the Enabled Intelligence annotation team ...
The project aims to develop an annotation framework for AI risk assessment and establish metrics for data quality in AI risk research, supporting broader work at NIST in assessing and measuring the ...
The project aims to develop an annotation framework for AI risk assessment and establish metrics for data quality in AI risk research, supporting broader work at NIST in assessing and measuring the ...
The project aims to develop an annotation framework for AI risk assessment and establish metrics for data quality in AI risk research, supporting broader work at NIST in assessing and measuring the ...
The project aims to develop an annotation framework for AI risk assessment and establish metrics for data quality in AI risk research, supporting broader work at NIST in assessing and measuring the ...
Washington, DC · On-site
Annotators work to a defined ontology and labeling specification, meet project quality and throughput targets, and operate inside the designated annotation environment for each program. Assignments ...
New
Washington, DC · On-site
Annotators work to a defined ontology and labeling specification, meet project quality and throughput targets, and operate inside the designated annotation environment for each program. Assignments ...
New
Reston, VA · On-site +1
$106K - $140K/yr
Establish and evolve annotation standards, labeling guidelines, data governance frameworks, and quality assurance processes to ensure consistency and reproducibility at scale * Design and oversee ...
Reston, VA · On-site +1
$106K - $140K/yr
Establish and evolve annotation standards, labeling guidelines, data governance frameworks, and quality assurance processes to ensure consistency and reproducibility at scale * Design and oversee ...
Reston, VA · On-site
$106K - $140K/yr
Establish and evolve annotation standards, labeling guidelines, data governance frameworks, and quality assurance processes to ensure consistency and reproducibility at scale * Design and oversee ...
Reston, VA · On-site
$106K - $140K/yr
Establish and evolve annotation standards, labeling guidelines, data governance frameworks, and quality assurance processes to ensure consistency and reproducibility at scale * Design and oversee ...
Washington, DC · On-site
$45 - $50/hr
Design and implement confidence-threshold escalation routing from automated annotation to senior-annotator adjudication * Validate quality scoring and IAA computation within the Innodata data layer
Washington, DC · On-site
$45 - $50/hr
Design and implement confidence-threshold escalation routing from automated annotation to senior-annotator adjudication * Validate quality scoring and IAA computation within the Innodata data layer
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 ...
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 ...
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 ...
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 ...
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 ...
Ashburn, VA · On-site
$18.31 - $22.88/hr
The PTR-BioImage Analysis team within Project Technical Resources (PTR) is seeking three full-time technicians who want to engage in a variety of annotation and image analysis projects. This will ...
Ashburn, VA · On-site
$18.31 - $22.88/hr
The PTR-BioImage Analysis team within Project Technical Resources (PTR) is seeking three full-time technicians who want to engage in a variety of annotation and image analysis projects. This will ...
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 ...
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 ...
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 ...
$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:

Washington, DC
$55 - $60/hr
Full-time
Re-posted 3 days ago
Administer the annotation toolchain, manage annotation workflows, and produce documentation for governance.
Configure and operate the CVAT annotation pipeline during corpus production.
Support quality control and associate provenance records with annotated and synthetic outputs.
7.5
Based on 6 frontline employees who took The Breakroom Quiz
About the Program:
Innodata's Federal Practice builds the trusted data layer for critical infrastructure Trust & Safety work. Partnering with a leading systems integrator, we're delivering a modern, governed data services platform in a secure federal (IL4) environment. Over an intensive 20-week phase, you'll help stand up a data services storefront, a DataCard governance framework, synthetic data integration, and Databricks write-back capabilities.
About the Role:
As the Data/Annotation Engineer, you'll be hands-on with the data itself. You'll administer the annotation toolchain, manage annotation workflows across the corpus, and produce the per-dataset documentation that feeds our governance framework. You'll work with the AI Solutions Engineer to ensure the data going into our models is accurate, well-labeled, and fully traceable. This role is for someone detail-obsessed who understands that great AI starts with disciplined, well-governed data.
Key Responsibilities:
Must-Have Qualifications:
Nice-to-Have Qualifications:
The expected hourly salary range for this position is $55 to $60 p/hour, based on experience, skills, and qualifications.
Note to Candidates:
Phase D corpus production (Weeks 17-19) is the core demonstration deliverable. Candidates must be genuinely comfortable operating CVAT at production quality against a mission dataset under a milestone deadline
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It services
501 - 1,000 Employees
Hackensack, NJ, US
1988