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Annotation Analyst Jobs in Illinois (NOW HIRING)

This includes performing data annotation and validation to ensure the integrity of our ground-truth ... Analyze and synthesize test results into clear, actionable reports for both technical and non ...

This includes performing data annotation and validation to ensure the integrity of our ground-truth ... Analyze and synthesize test results into clear, actionable reports for both technical and non ...

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Annotation Analyst information

See Illinois salary details

$30K

$71K

$126K

How much do annotation analyst jobs pay per year?

As of Aug 6, 2026, the average yearly pay for annotation analyst in Illinois is $70,992.00, according to ZipRecruiter salary data. Most workers in this role earn between $50,900.00 and $84,300.00 per year, depending on experience, location, and employer.

What are the typical day-to-day responsibilities of an annotation analyst?

As an Annotation Analyst, your daily responsibilities generally include reviewing and labeling large volumes of data—such as images, text, or audio—according to predefined guidelines or project requirements. You may also participate in quality control processes, address edge cases or ambiguities in the data, and collaborate with project managers, data scientists, or other analysts to ensure consistency and accuracy. Additionally, you might provide feedback on annotation tools or contribute to refining categorization criteria. The role often involves both independent work and teamwork within a fast-paced, detail-oriented environment, where precision is essential for supporting training and evaluation of AI or machine learning models.

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

To thrive as an Annotation Analyst, you need exceptional attention to detail, analytical thinking, and proficiency in data labeling or linguistic annotation, often supported by a relevant degree such as linguistics or computer science. Familiarity with annotation tools and platforms (like Labelbox, Prodigy, or proprietary systems) and knowledge of data privacy standards are highly beneficial. Strong communication, collaboration, and time management skills help in working efficiently with multidisciplinary teams and meeting project deadlines. These qualities are crucial for producing high-quality, accurate datasets that directly impact the success of machine learning and AI initiatives.

What is an annotation analyst?

An Annotation Analyst is responsible for labeling and categorizing data, such as text, images, audio, or video, to help improve machine learning models and AI systems. They follow specific guidelines to ensure accuracy and consistency in annotations. This role often involves reviewing, analyzing, and correcting data to enhance AI algorithms' performance. Annotation Analysts typically work with teams developing natural language processing (NLP), computer vision, or speech recognition technologies. Strong attention to detail and familiarity with industry tools are key skills for success in this role.

What are the most commonly searched types of Annotation Analyst jobs in Illinois? The most popular types of Annotation Analyst jobs in Illinois are:
What are popular job titles related to Annotation Analyst jobs in Illinois? For Annotation Analyst jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Annotation Analyst jobs in Illinois look for? The top searched job categories for Annotation Analyst jobs in Illinois are:
Infographic showing various Annotation Analyst job openings in Illinois as of July 2026, with employment types broken down into 86% Full Time, 9% Part Time, 1% Temporary, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $70,992 per year, or $34.1 per hour.

Project Perseus | Speech & Voice AI Analyst - Croatian Speakers

Welocalize

Chicago, IL • On-site

Full-time

Re-posted 7 days ago


Welocalize rating

6.5

Company rating: 6.5 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

328th of 481 rated business services


Job description

Job Summary:
Welo Data is looking for detail-oriented and reliable individuals to join their team as Speech & Voice AI Analysts. This role focuses on executing high-volume data labeling and annotation tasks across speech and voice datasets, ensuring consistency and accuracy to support AI training pipelines.
Responsibilities:
• Execute high-volume data labeling and annotation tasks across speech and voice datasets
• Follow detailed guidelines to ensure consistency, accuracy, and data integrity at scale
• Work with audio and language data, including transcription, categorization, and tagging
• Maintain strong throughput while meeting quality expectations
• Escalate unclear or ambiguous cases appropriately
• Adapt to evolving guidelines and workflows as systems and requirements change
• Support baseline data production needs for AI training pipelines
• Contribute to team calibrations and quality alignment sessions
Qualifications:
Required:
• Native-level fluency in Croatian
• Strong written communication skills and language fundamentals
• 1 year of work experience in data labeling, annotation, or content-focused work; or a Bachelor's degree or equivalent academic qualification in a related field.
• Ability to follow detailed instructions and apply guidelines consistently
• High attention to detail and ability to maintain accuracy in repetitive tasks
• Comfort working in structured, process-driven environments
• Ability to manage time effectively and maintain steady output
• Willingness to ask questions and escalate when needed
Preferred:
• Basic familiarity with AI, speech technology, or language data is a plus
Company:
Welocalize provides translation supply chain management solutions that deliver market-ready, translated content. Founded in 1997, the company is headquartered in Frederick, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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