ZipRecruiter

Log In

1

Audio Annotation Jobs in Natick, MA (NOW HIRING)

Welo Data

Data Labeling Associate

Boston, MA

$34/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 ...

next page

Showing results 1-20

All JobsAudio Annotation JobsAudio Annotation Jobs in Natick, MA

Audio Annotation information

See Natick, MA salary details

$30.5K

$87.2K

$177.1K

How much do audio annotation jobs pay per year?

As of Aug 10, 2026, the average yearly pay for audio annotation in Natick, MA is $87,190.00, according to ZipRecruiter salary data. Most workers in this role earn between $51,600.00 and $116,700.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an audio annotator, and why are they important?

To thrive as an Audio Annotator, you need strong attention to detail, excellent listening skills, and familiarity with linguistic concepts, often supported by relevant coursework or experience in linguistics or audio processing. Proficiency in annotation tools such as ELAN, Audacity, or Praat, as well as experience with data labeling platforms, is typically required. Strong organizational skills, patience, and the ability to work independently make someone stand out in this role. These skills ensure accurate and consistent audio data labeling, which is essential for training reliable AI and speech recognition systems.

What are some common challenges faced by audio annotators, and how can they be managed effectively?

Audio annotators often encounter challenges such as distinguishing overlapping voices, dealing with low-quality recordings, and maintaining consistency in labeling. To manage these, it's important to use high-quality headphones, familiarize yourself with annotation guidelines, and communicate regularly with your team to resolve ambiguities. Many organizations also provide regular feedback sessions and quality checks to ensure accuracy and support continuous improvement.

What is audio annotation?

Audio annotation is the process of labeling or tagging audio data with relevant information, such as identifying sounds, speech, speakers, or background noises. This process helps train machine learning models to recognize and understand audio content. Audio annotation can involve tasks like transcribing speech, marking segments with specific sounds, or categorizing audio clips by genre or emotion. It is widely used in developing applications for speech recognition, virtual assistants, and audio analysis.
What job categories do people searching Audio Annotation jobs in Natick, MA look for? The top searched job categories for Audio Annotation jobs in Natick, MA are:
What cities near Natick, MA are hiring for Audio Annotation jobs? Cities near Natick, MA with the most Audio Annotation job openings:
Audio Annotation jobs near you
Infographic showing various Audio Annotation job openings in Natick, MA as of August 2026, with employment types broken down into 46% Full Time, 24% Part Time, 15% Temporary, and 15% Contract. Highlights an 55% In-person, 5% Hybrid, and 40% Remote job distribution, with an average salary of $87,190 per year, or $41.9 per hour.

Project Perseus | Speech & Voice AI Analyst - Portuguese (Portugal) Speakers

Welocalize

Boston, MA • On-site

Full-time

Re-posted 11 days ago

Welocalize rating

6.5

Company rating: 6.5 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

330th of 485 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. The role focuses on executing high-volume data labeling and annotation tasks across speech and voice datasets to support AI systems, ensuring accuracy and consistency in data management.
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 Portuguese (Portugal)
• 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.

What Welocalize employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply