---
title: 'Croatian Linguistic Lead Tester in Cupertino, CA at Welo Global'
canonical: 'https://feeny.ai/job/croatian-linguistic-lead-tester-in-cupertino-ca-welo-global-cupertino-ad68veagy0kp'
type: 'job'
last_seen: '2026-09-14'
---

# Croatian Linguistic Lead Tester in Cupertino, CA at Welo Global

- **Company:** Welo Global
- **Location:** Cupertino, CA
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-08-13
- **Last confirmed live:** 2026-09-14
- **Apply:** https://jobs.lever.co/weloglobal/3c4c7167-5fbc-454f-8cf7-1f7cb8870bd1

## Job description

## About Welocalize

Welocalize, a Welo Global brand, serves localization teams through AI-enabled multilingual content solutions that enable enterprises to operate and scale globally. Welocalize combines AI, automation, and human expertise to support enterprises in more than 300 languages, enabling accurate, culturally aligned, and compliant multilingual content at scale.

Welocalize’s Opal Platform comprises patented technology designed to automate multilingual content and improve workflow performance for enterprises. Opal functions as an agentic system that orchestrates AI, automation, and human expertise to coordinate content workflows across the lifecycle, improving speed, scalability, and operational control for global enterprises. These solutions operate within a secure and compliant environment supported by seven ISO certifications. Welocalize is headquartered in New York with offices worldwide. welocalize.com

## ROLE OVERVIEW

We are looking for a Polish Linguistic Lead Tester to join a long-term project in Cupertino, CA.

As a Linguistic Lead Tester, you’ll help bring high-quality Polish content to life and ensure it feels natural, accurate, and polished for end users. The Onsite Lead Tester is responsible for the overall quality of their language at an account level, as well as the main point of contact for Language Leads.

This role is ideal for someone with native-level fluency in Polish, fluency in English, and strong communication skills. We’re looking for someone who is comfortable working with customers and stakeholders at different levels, can provide clear, concise, and constructive feedback, and confidently present information and respond to questions from managers, clients, customers, and linguists. The ideal candidate also enjoys supporting and training others, sharing knowledge, and helping the team grow, and is available to work full-time.

## MAIN RESPONSIBILITIES

Linguistic tasks Coordination of the linguistic team, like for example: Reviews copy and gives feedback to testers; communicates feedback received from the client Supports testers in understanding corrections resulting from the arbitration process Acts as liaison for terminology, style issues, product features & questions Supports the onboarding of new testers Identifies linguistic-specific training needs for the language; creates, maintains, and delivers the linguistic training program Quality management planning and execution Client engagement Linguistic assets management Complete assigned tasks in a quality and timely manner.

## REQUIREMENTS

Onsite in our offices in Cupertino, CA. W-2 (eligible for benefits based on hours worked). Monday-Friday (8:30 am - 4:30 pm, with a 1-hour lunch break, 35 hours per week). To be eligible for this role, you’ll need a valid visa permitting you to work in the USA.

IDEAL BACKGROUNDS: Marketing, Journalism, Copy Editing, Proofreading, Writing, Translation, and/or Localization

Benefits: ▪️ Accident, Critical Illness, Hospital Indemnity Insurance ▪️ Telemedicine Benefit ▪️ Paid Sick Time ▪️ Paid Holiday ▪️ Employee Assistance Program

Following the eligibility requirements: ▪️ Medical Insurance ▪️ Dental Insurance ▪️ Vision Insurance ▪️ HSA ▪️ Voluntary Life Insurance ▪️ 401(k) Retirement Plan

Hourly rate: $40

Job Reference: #LI-JC1

## 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)

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