---
title: 'Ads Quality Rater - German (Germany) at Welo Global'
canonical: 'https://feeny.ai/job/ads-quality-rater-german-germany-welo-global-germany-a170wkwwtdmj'
type: 'job'
last_seen: '2026-09-14'
---

# Ads Quality Rater - German (Germany) at Welo Global

- **Company:** Welo Global
- **Location:** Germany
- **Work type:** remote
- **Posted:** 2021-06-25
- **Last confirmed live:** 2026-09-14
- **Apply:** https://jobs.lever.co/weloglobal/3bdd03c3-bd20-4475-a558-ddb2456e0632

## Job description

Ads Quality Rater

Welo Data is an award-winning localization and data transformation company. We run one of the world's largest ad evaluation programs and want you to join our team!

As an Ads Quality Rater, you will review and rate internet ads to improve which ads are presented to end users. In other words, you will provide feedback to the AI ​​program on how good or bad its ad suggestions are based on the user's keywords.

You will review ads in both English and German.

This position is ideal for people who:

- surf the Internet daily
- Use search engines regularly
- know what Internet users are searching for based on a few keywords
- enjoy researching topics online
- looking for a flexible and entertaining part-time job

Project details

Job title: Ads Quality Rater (m/f/d) Remuneration: Variable depending on the complexity of the task Location: Remote (Germany only) Working hours: 5-20 hours per week, flexible scheduling Start Date: Immediately Employment relationship: Freelancer/self-employed: self-employed contractor Project duration: long-term

There is no formal interview for this job! No calls, no waiting, and no wasting time wondering whether or not you got the job. Instead, you will be guided through a self-directed and automated recruitment process.

IMPORTANT NOTE: Welo Data uses numerous identity verification checks to ensure that everyone who joins the team is genuine, qualified, and ready to work. To avoid misunderstandings, do not use IP obfuscation programs (such as VPNs).

## Requirements

- Fluent in German
- Good knowledge of English (written and oral)
- Familiarity with modern popular culture
- Reliable computer system and internet connection
- Familiarity with the use of online search engines
- Signing a standard NDA (non-disclosure agreement) and a service level agreement

## About Welo Global

## Company Overview
- **One-liner**: Welo Global delivers enterprise localization, AI training data, multilingual content, and intellectual property solutions through a portfolio of specialized global brands.
- **Entity Type**: Private (Privately Held)
- **Headquarters**: Not publicly available (global operations across multiple countries)
- **Founded**: Not publicly available (earliest known employee joined in 2002)
- **Founders**: Not publicly available

## Core Business
- **Primary industries**: Language Services, Localization, AI Training Data, Intellectual Property, Digital Marketing, Life Sciences
- **Target customers**: B2B – enterprise localization teams, AI/ML labs, law firms and corporate legal departments, pharmaceutical and medical device companies, global marketing teams
- **Mission or purpose**: To help organizations operate and scale globally by combining human expertise with advanced AI and technology, while fostering sustainability and inclusion.

## Products & Services
For each major offering:
- **Welocalize**: AI-enabled multilingual content and localization solutions for enterprises, powered by the Opal Platform (an agentic system orchestrating AI, automation, and human expertise). Serves localization teams in 300+ languages.
- **Welo Data**: Multilingual data generation, evaluation, and human data infrastructure for AI systems. Provides a network of 500,000+ vetted experts and a proprietary quality framework (NIMO™). Supports foundation labs and enterprises deploying GenAI.
- **Park IP**: Global IP solutions for law firms and corporate legal departments, including patent translation, foreign filing, and litigation support. Uses the Legal Studio platform for portfolio management.
- **Welo Life Sciences**: Specialized language solutions for highly regulated industries (clinical trials, pharmaceuticals, medical devices). Includes translation, linguistic validation, and regulatory content services.
- **Adapt**: Multilingual digital performance marketing agency. Offers paid search, SEO, programmatic, paid social, and content marketing. Uses Adapt Studio, a translation platform built for marketers.

## Market Standing
- **Valuation/Market Cap**: Not disclosed
- **Key Metric**: Serves over 2,000 clients in 300+ languages; employs a network of 500,000+ linguists and domain experts
- **Notable Investors/Partners**: Not publicly available (private company)
- **Growth Signals**: 
  - Holds 7 ISO certifications (including ISO 14001 for environmental management)
  - Voluntarily discloses carbon emissions (Scope 1, 2, 3)
  - Actively expanding AI training data and GenAI evaluation services
  - LinkedIn reports 35 employees (likely corporate HQ), while the careers page lists over 1,500 corporate jobs globally – indicating a much larger workforce

## Competitive Advantages
- **Portfolio of specialized brands** – each brand targets a distinct, regulated vertical with deep expertise and fit-for-purpose technology.
- **Massive global network** – 500,000+ vetted linguists and domain experts across 300+ languages.
- **AI-first technology** – Proprietary platforms (Opal, NIMO, Adapt Studio, Legal Studio) that integrate generative AI, automation, and human judgment.
- **Compliance and security** – 7 ISO certifications (including ISO 14001) and a strong focus on data security, ethical AI, and sustainability.
- **Longevity and scale** – Established over 20 years with a track record of serving Fortune 500 and Am Law 100 clients.

## Strategic Focus
- **AI training data and evaluation** – Growing its Welo Data brand to support foundation labs and enterprises deploying GenAI, with a focus on safety, bias mitigation, and cross-lingual reliability.
- **Product-led innovation** – Enhancing the Opal Platform and other agentic systems to automate multilingual content workflows.
- **Sustainability** – Maintaining ISO 14001 certification, voluntarily reporting carbon emissions, and expanding the Give Grant program for employee-selected charities.
- **Global scalability** – Continuing to build a diverse, remote-friendly workforce across 8+ countries.

## Why Work Here
- **Remote-first culture** – Many positions are work-from-home; the company emphasizes global teamwork and flexibility.
- **Diversity and inclusion** – “Come as you are” motto; active Give Grant program for employee-funded donations; commitment to hiring a diverse workforce.
- **Sustainability focus** – ISO 14001 certified, with voluntary carbon disclosure and environmental initiatives.
- **Career growth** – Opportunities across 1,500+ corporate roles worldwide in localization, AI, technology, marketing, and legal services.
- **Learning environment** – Continuous learning encouraged; access to cutting-edge AI and multilingual technologies.

## Sources
1. [weloglobal.com](https://www.weloglobal.com/company/)
2. [weloglobal.com](https://www.weloglobal.com/company/careers/)
3. [weloglobal.com](https://www.weloglobal.com/portfolio/)
4. [linkedin.com](https://www.linkedin.com/company/welo-global)
5. [jobs.lever.co](https://jobs.lever.co/weloglobal)

## Other roles at Welo Global

- [Associate Project Manager- Gen AI Operations](https://feeny.ai/job/associate-project-manager-gen-ai-operations-welo-global-gurgaon-2npfktxhq0gr) — Gurgaon, India
- [Senior Finance Data Analyst](https://feeny.ai/job/senior-finance-data-analyst-welo-global-mexico-77pcw0b0hzjw) — Mexico
- [French Canadian Linguist](https://feeny.ai/job/french-canadian-linguist-welo-global-united-states-qjh7ffy5p06d) — United States
- [French Canadian Linguist](https://feeny.ai/job/french-canadian-linguist-welo-global-canada-xrqzqbccb5kv) — Canada
- [French Canadian Linguist](https://feeny.ai/job/french-canadian-linguist-welo-global-spain-united-kingdom-italy-germany-romania-c38d30s1tfxe) — Spain / United Kingdom / Italy / Germany / Romania / Greece
- [Lithuanian Localization QA Tester / Proofreader](https://feeny.ai/job/lithuanian-localization-qa-tester-proofreader-welo-global-spain-romania-greece-zs57kaajmn9f) — Spain / Romania / Greece / France / Germany
- [German Localization QA Tester/Proofreader in Cupertino, CA](https://feeny.ai/job/german-localization-qa-tester-proofreader-in-cupertino-ca-welo-global-cupertino-2g9naqa16pvz) — Cupertino, CA
- [German Localization QA Tester / Proofreader in Austin, TX](https://feeny.ai/job/german-localization-qa-tester-proofreader-in-austin-tx-welo-global-austin-v5606v9ets50) — Austin, TX
- [Korean Linguist - English to Korean](https://feeny.ai/job/korean-linguist-english-to-korean-welo-global-japan-r3axxsqx2fck) — Japan
- [Hydrus - Voice Contributor - Spanish (Colombia)](https://feeny.ai/job/hydrus-voice-contributor-spanish-colombia-welo-global-colombia-ma9sf9d87ht7) — Colombia