Project Perseus | Speech & Voice AI Analyst - Spanish (Mexico) Speakers

Job DescriptionJob DescriptionOverviewWelo Data is looking for detail-oriented and reliable individuals to join our team as Data Labeling Analysts, supporting speech and voice AI systems.This is a high-impact production role focused on building the datasets that power real-world AI systems. You’ll be working with audio, speech, and language data — helping ensure models are trained on accurate, well-structured, and representative inputs.While this role is more execution-focused than evaluation-heavy roles, it still requires strong judgment, attention to detail, and consistency.The work sits at the intersection of language, data, and AI systems — where precision and discipline matter at scale.We’re looking for people who are dependable, focused, and take pride in producing high-quality work, even across repetitive workflows.Project DetailsJob Title: Data Labeling Analyst (Speech & Voice AI)Hiring in: Onsite (Bay Area, Seattle, NYC, or client-dependent)Hours: Full-time, 40 hours per weekEmployment Type: W2 Full-Time EmployeeWork Authorization: Must be authorized to work in the U.S. (no visa sponsorship)Hourly Pay Rate: $28/hourImportant: This is a 100% onsite position — remote work is not available for this role. To be considered, candidates must be located in or able to commute to one of the following cities: NYC, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, Burlingame, Los Angeles, Washington DC, Boston. Please only apply if you meet this location requirement. What You’ll Do Execute high-volume data labeling and annotation tasks across speech and voice datasetsFollow detailed guidelines to ensure consistency, accuracy, and data integrity at scaleWork with audio and language data, including transcription, categorization, and taggingMaintain strong throughput while meeting quality expectationsEscalate unclear or ambiguous cases appropriatelyAdapt to evolving guidelines and workflows as systems and requirements changeSupport baseline data production needs for AI training pipelinesContribute to team calibrations and quality alignment sessionsWhat We’re Looking For Native-level fluency in Spanish (Mexico)Strong written communication skills and language fundamentals1 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 consistentlyHigh attention to detail and ability to maintain accuracy in repetitive tasksComfort working in structured, process-driven environmentsAbility to manage time effectively and maintain steady outputWillingness to ask questions and escalate when neededBasic familiarity with AI, speech technology, or language data is a plusBenefits Paid Vacation: 6 daysPaid Company Holidays: 2 days (Memorial Day and Labor Day)Paid Sick Leave: accrued per applicable state law and company policyMedical, Dental, and Vision Insurance (eligibility applies)Health Savings Account (HSA)401(k) Retirement PlanEmployee Assistance ProgramAdditional voluntary benefits (life, accident, critical illness, etc.)Onsite Perks (where applicable): Free breakfast, lunch, and dinner Stocked micro-kitchens with snacks and beverages Commuter benefits, including shuttles and bike-to-work options Unique campus features depending on location Why This RoleThis role is a critical part of how modern AI systems are built. The data you produce directly impacts how speech and voice models understand and interact with real users.It’s a great entry point into AI operations, offering exposure to large-scale systems and the opportunity to build foundational experience in data, language, and AI workflows. 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.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.