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Data Annotation Specialist - Seattle (On Site)

Open 61d
OVERVIEW

Welo Data is looking for a skilled Data Analyst to join our team and contribute to advancing AI technologies. This role offers a unique opportunity to engage directly with cutting-edge AI products, supporting the refinement and performance of machine learning models through precise data analysis and quality assurance.

Project Details
Job Title: Data Analyst
Location: Seattle (On-site)
Hours: Full-time, 40 hours per week
Start Date: November 2025
Employment Type: W2 Full-Time Employee

Must have valid work authorization in the US (Welocalize does not sponsor VISAs at this time).

This role is an incredible chance to be at the forefront of AI technology, helping shape the future by testing new products, updating machine learning models, and ensuring high-quality data for impactful AI solutions.

Key Responsibilities

  • Test new AI products and provide actionable feedback to improve functionality and user experience.
  • Conduct detailed data annotation and quality assurance of natural language datasets following established guidelines.
  • Collaborate in updating and refining machine learning models to boost accuracy and effectiveness.
  • Analyze data for consistency, relevancy, and alignment with project goals.
  • Perform quality control to identify and report anomalies, error patterns, and discrepancies.
  • Use basic data analysis methods to extract insights and support continuous improvement.
  • Prepare clear and concise reports on findings, including observations on data quality, AI model performance, and user feedback.

Preferred Qualifications

  • University degree in linguistics, translation, or a related field.
  • 3-5 years of professional linguistics experience.
  • Strong analytical skills with the ability to detect patterns and anomalies.
  • Excellent communication skills and the ability to work collaboratively in a fast-paced environment.
  • Adaptability to evolving priorities and project requirements.

Benefits

  • Paid Sick Time & Paid Holiday (combined): 15 days
  • Paid Holidays: Memorial Day and Labor Day
  • Medical Insurance (subject to eligibility requirements)
  • Dental Insurance
  • Vision Insurance
  • Health Savings Account (HSA)
  • Voluntary Life Insurance
  • Accident, Critical Illness, and Hospital Indemnity Insurance
  • Telemedicine Benefit
  • 401(k) Retirement Plan
  • Employee Assistance Program
Please note that in order to verify work authorization as is required by Federal law (I-9 process), all new employees must complete a live video verification with their selected IDs and provide photos of these selected IDs within their first 3 days of employment.

To know more details (Click here)

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire. In addition, we employ anti-fraud checks to ensure all candidates meet the requirements of the program.


As a trusted global transformation partner, Welocalize accelerates the global business journey by enabling brands and companies to reach, engage, and grow international audiences. Welocalize delivers multilingual content transformation services in translation, localization, and adaptation for over 250 languages with a growing network of over 400,000 in-country linguistic resources. Driving innovation in language services, Welocalize delivers high-quality training data transformation solutions for NLP-enabled machine learning by blending technology and human intelligence to collect, annotate, and evaluate all content types. Our team works across locations in North America, Europe, and Asia serving our global clients in the markets that matter to them.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

What this application asks

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Resume/CV, Full name, Email, Phone, Current location, Current company, LinkedIn URL, GitHub URL, Portfolio URL, Other website

  • Do you have data annotation experience with text? If so, please share your experience: written answer
  • Do you have experience on LLM data creation or evaluation of prompts or responses from text, video, and/or image data? If so, please share your experience: written answer
  • Have you applied NLP and linguistic knowledge to ensure accuracy in processed data? Share examples. written answer
  • How many years of experience do you have working with AI data? choose one · optional
  • Technology Savvy. Please check all that apply to your experience and skills: yes / no · optional
  • Do you have education in one of the following areas: yes / no · optional
  • How many years of experience do you have working in a linguistic field? choose one · optional
  • How many hours will you be able to perform tasks weekly? choose one · optional
  • Do you hold work authorization for the US? choose one · optional
  • What type of work authorization do you have? written answer
  • Do you have experience in the writing field? (Copywriting, creative writing, technical writing, etc) choose one · optional
  • In what country were you born? choose one · optional
  • In what country do you currently live? choose one · optional
  • How many years have you lived in your current country? (Please choose one) yes / no · optional
  • Which U.S. State are you currently based in? choose one · optional
  • Do you have a degree in Linguistics? choose one
  • If so, in which field? written answer
  • How many years of experience you have in the linguistic field? written answer
  • This position is 100% on-site with no possibility for remote work. Are you available to work on-site and able to commute to one of our offices in Seattle? choose one · optional
  • This is a full-time position, 40 hours per week. Can you work that amount of hours? choose one · optional

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