Full-Time

Data Quality Analyst

Data Quality Analyst, Human-in-the-Loop AI

Welo Global

Welo Global

5,001-10,000 employees

Multilingual AI-enabled technology and content provider

Compensation Overview

$32/hr

No H1B Sponsorship

Burlingame, CA, USA + 3 more

More locations: San Francisco, CA, USA | Los Angeles, CA, USA | Sunnyvale, CA, USA

In Person

On-site role; must reside in or be able to commute to one of the listed CA cities.

Bachelor's

Category
Data & Analytics (1)
Required Skills
Machine Learning

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Requirements
  • Native-level language proficiency and a university degree (Bachelor’s or higher).
  • B2 or superior level of English.
  • 2–4 years of experience in data annotation, content quality, QA, or related fields
  • Strong ability to interpret and apply complex guidelines with consistency
  • Excellent attention to detail with a high bar for quality
  • Ability to stay consistent while working with evolving guidelines and priorities
  • Experience in AI/ML data workflows or human-in-the-loop evaluation environments
  • Prior experience auditing or reviewing the work of others
  • Familiarity with safety, compliance, or policy-driven content evaluation
Responsibilities
  • Support quality and execution across DLA teams, ensuring work meets defined standards at scale
  • Audit DLA outputs and provide structured, actionable feedback to improve accuracy and consistency
  • Act as the first line of support for DLAs — answering questions and helping interpret guidelines
  • Help DLAs navigate ambiguity and apply evolving instructions effectively
  • Support onboarding and training of new DLAs through hands-on guidance and coaching
  • Monitor workflows, queues, and blockers — escalating risks and gaps to Team Leads
  • Identify patterns, recurring issues, and edge cases in both human and model outputs
  • Participate in calibrations, team discussions, and stakeholder syncs
  • Contribute to improving guidelines, processes, and overall team performance
  • Document findings and feedback in a clear, concise, and actionable way

Welo Global coordinates five brands to provide multilingual AI, technology, and content solutions for more than 2,000 blue-chip clients in 300+ languages. Its offerings are delivered through technology-enabled services and proprietary platforms such as Opal for content localization, NIMO for AI supply-chain security, Legal Studio for IP workflows, and Adapt Studio for marketing translation, with brand-specific teams like Welocalize, Welo Data, Park IP, Welo Life Sciences, and Adapt. The company differentiates itself through brand specialization under one parent, a long 25+ year history, and integrated platforms that pair language services with AI data, model evaluation, legal and life sciences workflows, and global marketing translation supported by a network of over 500,000 linguists. The goal is to help clients scale global AI and content initiatives by delivering high-quality multilingual data, accurate localization, and efficient, technology-enabled services.

Company Size

5,001-10,000

Company Stage

N/A

Total Funding

N/A

Headquarters

N/A

Founded

N/A

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Simplify Jobs

Simplify's Take

What believers are saying

  • May 18, 2026 Welo Data launched a proprietary frontier AI data-production platform.
  • February 26, 2026 Blackbird integrated OPAL Enable, expanding enterprise localization distribution.
  • July 2026 newsroom activity shows sustained product, podcast, and award momentum.

What critics are saying

  • TELUS AI sued Welocalize in Delaware in June 2025 over non-compete disputes.
  • Welo Data depends on model builders; in-house AI teams commoditize suppliers by 2027.
  • If AI labs internalize multilingual data and localization, Welo Global loses pricing power.

What makes Welo Global unique

  • April 2026 rebrand created five client brands around specific buyer segments.
  • Opal and NIMO combine localization automation with training-data security and quality.
  • Welo Life Sciences launched April 7, 2026 for regulated pharma and medtech clients.

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Benefits

Remote Work Options

Flexible Work Hours