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

Job description

### **Overview** Welo 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 Details** - **Job Title:** Data Labeling Analyst - **Hiring in:** Onsite (Bay Area, Seattle, NYC, or client-dependent) - **Hours:** Full-time, 40 hours per week - **Employment Type:** W2 Full-Time Employee - **Work Authorization:** Must be authorized to work in the U.S. (no visa sponsorship) - **Pay Rate:** $26 - $28/hour **Important**: 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, Austin, Los Angeles, Washington DC, Chicago, 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 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 ### What We’re Looking For - **Native-level fluency in Portuguese (Brazil)** - 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 - Basic familiarity with AI, speech technology, or language data is a plus ### Benefits - Paid Vacation: 6 days - Paid Company Holidays: 2 days (Memorial Day and Labor Day) - Paid Sick Leave: accrued per applicable state law and company policy - Medical, Dental, and Vision Insurance (eligibility applies) - Health Savings Account (HSA) - 401(k) Retirement Plan - Employee Assistance Program - Additional 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