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Online Annotation Jobs (NOW HIRING)

Tamil Translator (Remote) | Sigma AI

$45K - $58K/yr

Sigma is a leading global technology company specializing in data collection and annotation for ... online platform available 24/7. This opportunity is offered for freelancers under a commercial ...

Sigma is a leading global technology company specializing in data collection and annotation for ... All tasks are remote , performed through an online platform available 24/7. This opportunity is ...

Sigma is a leading global technology company specializing in data collection and annotation for ... All tasks are remote , performed through an online platform available 24/7. This opportunity is ...

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Online Annotation information

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$39K

$45K

$49.5K

How much do online annotation jobs pay per year?

As of Jun 17, 2026, the average yearly pay for online annotation in the United States is $45,000.00, according to ZipRecruiter salary data. Most workers in this role earn between $42,500.00 and $47,500.00 per year, depending on experience, location, and employer.

What is an Online Annotation job?

An Online Annotation job involves labeling or tagging data such as images, text, audio, or video to help train machine learning models. Annotators follow specific guidelines to ensure accuracy and consistency in the data. These jobs are crucial in AI development, improving the quality of automated systems like image recognition, speech processing, and natural language understanding. Many online annotation jobs are remote and require attention to detail, basic computer skills, and sometimes domain-specific knowledge.

What are some common challenges faced by Online Annotation professionals, and how can they be managed?

A common challenge in Online Annotation is maintaining accuracy and consistency across large volumes of data, especially when guidelines are complex or frequently updated. To address this, professionals often need to regularly review instructions and participate in feedback sessions or quality audits provided by their employer. Staying organized, managing workload efficiently, and asking for clarification when uncertain can help minimize errors. Employers may provide training sessions or support forums to help annotators improve their skills and keep up-to-date with best practices.

What are the key skills and qualifications needed to thrive in the Online Annotation position, and why are they important?

To excel in Online Annotation, strong attention to detail, proficiency in data labeling, and a solid understanding of guidelines for data quality are essential, often requiring at least a high school diploma or equivalent. Familiarity with annotation platforms, database tools, and sometimes basic knowledge of machine learning concepts is advantageous. Reliability, time management, and the ability to follow specific instructions set apart top performers in this role. These skills are crucial for providing high-quality, consistent data that supports training and validation of AI systems.

More about Online Annotation jobs
What cities are hiring for Online Annotation jobs? Cities with the most Online Annotation job openings:
What are the most commonly searched types of Annotation jobs? The most popular types of Annotation jobs are:
What states have the most Online Annotation jobs? States with the most job openings for Online Annotation jobs include:
Infographic showing various Online Annotation job openings in the United States as of June 2026, with employment types broken down into 100% Part Time. Highlights an 33% In-person, and 67% Remote job distribution, with an average salary of $45,000 per year, or $21.6 per hour.

Matterport - Lead Business Analyst, Data Operations

CoStar Realty Information, Inc.

Sunnyvale, CA

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 19 hours ago


Job description

Matterport - Lead Business Analyst, Data Operations

Job Description

About CoStar Group

CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives.

We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We've continually refined, transformed, and perfected our approach to our business, creating a language that has become standard in our industry-for our customers and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.

About Matterport

Matterport is leading the digital transformation of the built world. Our groundbreaking spatial computing platform turns buildings into data, making every space more valuable and accessible. Millions of buildings in more than 170 countries have been transformed into immersive Matterport digital twins to improve every part of the building lifecycle-from planning, construction, and operations to documentation, appraisal, and marketing.

About the Role

As a Lead Data Annotation Business Analyst at Matterport, a part of CoStar Group, you will be pivotal in building the foundation for our AI and computer vision models. This is a strategic role that goes far beyond traditional business analysis-you will manage the entire lifecycle of data annotation projects, ensuring that our models are trained on high-quality, well-structured datasets that reflect real-world complexity.

You will collaborate with product managers and ML engineers to define ontology requirements, design annotation workflows, and manage internal and external annotation teams. From sampling data and creating annotation guidelines to reviewing outputs and integrating results into production pipelines, you will be the driving force behind the quality and scalability of our training data.

This role offers significant development potential: you will influence Matterport's data strategy and have the opportunity to evolve into a leadership position overseeing global data operations and annotation strategy.

This role is located in Sunnyvale, CA and is 4 days on-site and 1 day work from home.

What You Will Do

  • Own the Data Annotation Lifecycle : Manage all internal and third-party annotation projects, from requirements gathering to final data delivery.

  • Define Ontologies and Standards : Work with product and engineering teams to translate model requirements into clear, scalable annotation schemas.

  • Design and Launch Annotation Projects : Sample datasets, create detailed guidelines, and ensure annotation quality through robust QA processes.

  • Vendor and Team Management : Coordinate with external providers and internal teams to ensuretimely,accurate, and cost-effective project execution.

  • Integrate and Validate Outputs : Collaborate with ML engineers to ingest annotated data, review results, and iterate for continuous improvement.

  • Optimize Processes : Develop workflows, tools, and best practices for annotation at scale,leveragingautomation where possible.

  • Drive Strategic Impact : Influence Matterport's data strategy and contribute to building world-class AI models for spatial computing.

Basic Qualifications

  • Bachelor's degreerequiredfrom an accredited, not-for-profit, in-person college/university

  • A track recordof commitment to prior employers.

  • 3+ years of experience in data operations, annotation management, or business analysis in a technical environment.

  • Strong understanding of data structures, ontologies, and annotation workflows.

  • Excellent organizational and project management skills with attention to detail.

  • Familiarity with ML concepts and data requirements for model training.

  • Experience working with external vendors and managing cross-functional teams.

  • Proficiencyin tools like Excel, SQL, and project management platforms.

Preferred Qualifications

  • Experience in computer vision or ML-driven products.

  • Knowledge of annotation tools and platforms (e.g.,Dataloop, Hasty, Scale.ai,Deeplake).

  • Familiarity with workflow orchestration and automation tools.

  • Strong analytical skills and ability to translate technical requirements into operational plans.

  • Demonstrated ability to scale processes and manage multiple projects simultaneously.

Perks & Benefits

When you join CoStar Group, you'll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed.

We offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training, tuition reimbursement, and an inter-office exchange program.

Our benefits package includes (but is not limited to):

  • Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug

  • Life, legal, and supplementary insurance

  • Virtual and in-person mental healthcounselingservices for individuals and family

  • Commuter and parking benefits

  • 401(K) retirementplanwith matching contributions

  • Employee stock purchase plan

  • Paid time off

  • Tuition reimbursement

  • Access to CoStar Group's Culture Employee Resource Groups

  • Complimentary in-office gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

Pay Transparency

This position offers an annual OTE pay range from $149,000 - $189,000 determined by relevant skills and experience, in addition to a generous benefits plan.

#LI-VP1 #Matterport

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing.

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.

We have been living and breathing the world of real estate information and online marketplaces for over 37 years, giving us the perspective to create truly unique and valuable products and services. We've continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry and for our customers. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.

CoStar Group is committed to creating a diverse environment and is proud to be an equal opportunity workplace and affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. CoStar Group is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access www.costargroup.com/careers as a result of your disability. You can request reasonable accommodations by sending an email to recruitaccommodation@costar.com .