Project Perseus | Data Quality Team Lead (Human-in-the-Loop AI)

OverviewWelo Data is looking for a Data Quality Lead to oversee teams of Data Quality Analysts supporting AI model evaluation and improvement.This role is equal parts people leadership, quality ownership, and operational thinking.You’ll be responsible for guiding teams through fast-changing work, ensuring high-quality output, and acting as a bridge between analysts and stakeholders. This is not just about managing throughput — it’s about shaping how quality is defined, measured, and improved in a human-in-the-loop environment.Project DetailsJob Title: Data Quality LeadHiring in: NYC, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, BurlingameHours: Full-time, 40 hours per weekEmployment Type: W2 Full-Time EmployeePay rate: $38/ hourWhat You’ll DoLead and support a team of Data Quality AnalystsOversee overall operational performance across workflows and teamsEnsure team activities align with broader business objectives and program goalsDrive the success of key initiatives across quality, delivery, and team performanceOwn quality across workflows — including audits, calibrations, and feedback loopsIdentify trends, risks, and gaps in model performance and data qualityTranslate ambiguous or evolving guidelines into clear team directionRun calibrations and ensure consistency across reviewersPartner with stakeholders to align on quality standards and expectationsPrioritize and support hiring of linguists and specialized talent as neededDrive continuous improvement across processes, tooling, and evaluation methodsStep into edge cases and complex decisions when neededSupport team growth, coaching, and performance managementWhat We’re Looking For5-8 years of experience in data quality, QA, AI/ML operations, or related fields2+ years of experience leading teams in data quality, QA, or AI/ML-related work at scaleNative-level English proficiency and a university degree (Bachelor’s or higher)Proficiency in languages other than English is preferred, with particular interest in candidates demonstrating bilingual mastery in French, Italian, German, Spanish, or Brazilian Portuguese.Strong operational mindset with experience managing performance across multiple workstreamsProven ability to drive quality, delivery, and process improvementsStrong judgment and ability to operate in ambiguityComfortable interacting with stakeholders and representing the teamAbility to balance quality, speed, and evolving prioritiesStrong communication and organizational skillsDeep attention to detail, with the ability to zoom out and see patternsInterest in AI and how human feedback shapes model behavior Role Scope & AccountabilityThis leader is accountable for end-to-end operational success — including resource management, process optimization, and continuous improvement.You’ll be expected to think beyond day-to-day execution and focus on long-term outcomes, ensuring the team consistently meets targets across quality, delivery, and overall program performance.BenefitsPaid Sick Time & Paid Holiday (combined): 15 daysPaid Holidays: Memorial Day and Labor DayMedical, Dental, and Vision Insurance (eligibility applies)Health Savings Account (HSA)401(k) Retirement PlanEmployee Assistance ProgramAdditional voluntary benefits (life, accident, critical illness, etc.)Free Gourmet Food: Free breakfast, lunch, and dinner are provided, featuring a wide variety of cuisines in multiple cafesMicro-kitchens & Snacks: Offices are stocked with free snacks and beverages, including premium coffee and La CroixUnique Campus Features: Some locations include roof-top nature parksCommuter Benefits: Free transport, shuttles, and sometimes bike-to-work perksPlease 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. www.welocalize.com 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. 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.Why This RoleYou’ll be at the center of how AI systems are evaluated in the real world — helping define quality, guide teams, and influence how models improve over time.