Job Description

What youll be doing

• Drive global quality: Act as the final gatekeeper for our products user experience in diverse markets ensuring every feature feels native and intuitive to users worldwide.

• Champion AI-powered quality: Actively implement and run next-generation AI quality frameworks and evaluation tools to automate and scale our localisation testing capabilities.

• Test AI features end-to-end: Design and execute test plans specifically for AI-driven features validating LLM-generated content for linguistic accuracy cultural appropriateness and functional correctness across all supported locales.

• Optimize vendor quality operations: Act as the technical point of contact for external QA agencies providing the bug documentation test data and feedback loops necessary to ensure our high quality standards are met at scale.

• Build the toolkit: Collaborate with senior engineers to develop and maintain internal testing tools and platforms that empower our entire product development organisation.

• Data-driven validation: Generate and manage the critical testing data required to validate complex localized product features throughout the release cycle ensuring high quality both at launch and through post-release updates.

What you bring to the role

• Growth mindset: You thrive in fast-paced environments with ever-changing testing requirements. You demonstrate high agility and the ability to manage ambiguity with a positive solution-oriented approach.

• Technical curiosity: You arent just a tester. You are eager to learn how to build tools work with AI automation and improve engineering pipelines.

• Global perspective: A passion for languages and cultures with a sharp eye for the linguistic and functional nuances that make a product succeed globally.

• Problem-solving spark: The ability to see a localisation bug not just as a task to fix but as a challenge to solve through better data or improved tooling.

• Collaborative spirit: You enjoy working across teams from Engineering to Product to ensure a seamless global customer experience.

• Execution excellence: Strong organisational skills and attention to detail with the ability to manage testing for multiple product features simultaneously.

Basic qualifications:

• 12 years of experience in software testing quality assurance or a technically-inclined localisation role.

• Hands-on experience testing AI features or LLM-powered products including evaluating model output for accuracy tone and locale-specific quality.

• Proven ability to identify document and track software bugs through a structured QA process.

• Foundational knowledge of at least one scripting language (e.g. Python JavaScript) or web technologies.

Preferred qualifications:

• Completion of a specialized Software Engineering or QA Bootcamp.

• Experience with automated Quality Estimation (QE) frameworks or LLM evaluation pipelines (e.g. BLEU COMET LLM-as-judge methodologies).

• Familiarity with prompt engineering concepts and how LLM outputs vary by locale or language.

• Native or professional-level fluency in German or Spanish.

Where we work:

Hybrid: In this role our hybrid experience is designed at the team level to give you a rich onsite experience packed with connection collaboration learning and celebration - while also giving you flexibility to work remotely for part of the week. This role must attend our local office for part of the week. The specific in-office schedule is to be determined by the hiring manager.

The intelligent heart of customer experience

Zendesk software was built to bring a sense of calm to the chaotic world of customer service. Today we power billions of conversations with brands you know and love. We advocate for digital first customer experiencesand we stick with it in our workplace. Over 5000 employees worldwide are collaborating from kitchen tables home offices coworking spaces and Zendesk workspaces to make one team.

Zendesk is an equal opportunity employer and were proud of our ongoing efforts to foster global diversity equity & inclusion in the workplace. Individuals seeking employment and employees at Zendesk are considered without regard to race color religion national origin age sex gender gender identity gender expression sexual orientation marital status medical condition ancestry disability military or veteran status or any other characteristic protected by applicable law. We are an AA/EEO/Veterans/Disabled employer. If you are based in the United States and would like more information about your EEO rights under the law please click here.

Zendesk endeavors to make reasonable accommodations for applicants with disabilities and disabled veterans pursuant to applicable federal and state law. If you are an individual with a disability and require a reasonable accommodation to submit this application complete any pre-employment testing or otherwise participate in the employee selection process please send an e-mail to with your specific accommodation request.

The intelligent heart of customer experience

Zendesk software was built to bring a sense of calm to the chaotic world of customer service. Today we power billions of conversations with brands you know and love.

Zendesk believes in offering our people a fulfilling and inclusive experience. Our hybrid way of working enables us to purposefully come together in person at one of our many Zendesk offices around the world to connect collaborate and learn whilst also giving our people the flexibility to work remotely for part of the week.

As part of our commitment to fairness and transparency we inform all applicants that artificial intelligence (AI) or automated decision systems may be used to screen or evaluate applications for this position in accordance with Company guidelines and applicable law.

Zendesk is an equal opportunity employer and were proud of our ongoing efforts to foster global diversity equity & inclusion in the workplace. Individuals seeking employment and employees at Zendesk are considered without regard to race color religion national origin age sex gender gender identity gender expression sexual orientation marital status medical condition ancestry disability military or veteran status or any other characteristic protected by applicable law. We are an AA/EEO/Veterans/Disabled employer. If you are based in the United States and would like more information about your EEO rights under the law please click here.

Zendesk endeavors to make reasonable accommodations for applicants with disabilities and disabled veterans pursuant to applicable federal and state law. If you are an individual with a disability and require a reasonable accommodation to submit this application complete any pre-employment testing or otherwise participate in the employee selection process please send an e-mail to with your specific accommodation request.