Spanish Localization QA Tester / Proofreader

Welocalize, Inc.; Comunidad de Madrid; On-site; EUR 30,000 - 42,000; Full time

Job summary

Welocalize, Inc. is seeking a Spanish Localization QA Tester / Proofreader to join our long-term team in a role focused on delivering high-quality Spanish content.

The candidate will review localized content for naturalness, accuracy, and polish, and will execute test cases to find localization defects across software and documentation. The role requires native-level Spanish fluency, meticulous attention to detail, and an interest in quality assurance for digital products.

Qualifications

• Native level Spanish fluency (Spain) required.
• Strong attention to detail and commitment to quality assurance.
• Experience with QA for digital products is a plus.

Responsibilities

• Write and report bugs and errors using the internal database system.
• Follow testing instructions and test cases to QA products.
• Evaluate translations for software, mobile apps, and documentation.
• Identify localization issues and ensure linguistic accuracy in Spanish (Spain).
• Research and resolve linguistic questions related to Spanish content.
• Adhere to project-specific quality standards and client glossaries.
• Conduct UI exploration to identify localization or functional issues.
• Complete tasks in a timely, high-quality manner.

Skills

Native Spanish (Spain)

Attention to detail

Bug reporting

Test case execution

Communication skills

Tools

Bug tracking tools

QA/testing tools

Job description

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 Spanish Localization QA Tester / Proofreader to join a long-term.

As a Linguistic Tester, you'll help bring high-quality Spanish content to life and ensure it feels natural, accurate, and polished for end users. Your main focus will be reviewing and refining localized content, making sure it reads smoothly and is free from errors. This includes checking grammar, spelling, punctuation, consistency, formatting, and cultural or contextual accuracy.

You'll also work hands-on with products by executing test cases, identifying localization bugs, and reporting issues through internal bug-tracking systems. Once fixes are implemented, you'll help verify that they've been resolved correctly. From time to time, you'll also have the opportunity to translate content from English into Spanish. In addition, you'll explore user interfaces to identify localization or functional issues, playing an important role in delivering a seamless and user-friendly experience.

This role is ideal for someone with native-level Spanish fluency, strong attention to detail, and an interest in quality assurance within digital products. If you're looking for a stable, long-term role (no end date) where you can apply both your language expertise and technical skills, this is a great opportunity.

MAIN DUTIES

• Write and report relevant bugs and errors using best practices through the internal database system.
• Ability to understand and prioritize tasks and issues quickly and efficiently.
• Native language skills in Spanish and cultural awareness of Spain
• Good oral and written communication.
• Highly organized with attention to detail and a commitment to quality.
• QA various products by accurately following testing instructions and test cases.
• Discover and report defects (bugs) using client-specific bug-tracking tools.
• Evaluate translations in the context of software, mobile apps, and documentation.
• Be a subject matter expert for linguistic issues in Spanish (from Spain ); be able to research and resolve linguistic questions.
• Adhere to project-specific quality standards, trademarks, style guides, and client-preferred checklists and glossaries.
• Troubleshoot basic problems; be able to communicate effectively and elevate testing issues.
• Complete assigned tasks in a quality and timely manner.

IDEAL BACKGROUNDS

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

Job Reference:

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. 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.