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Zendesk

Senior Software Engineer – AI Agents Testing

Zendesk

Senior Fullstack Engineer shaping systems for AI evaluations at Zendesk. Collaborating across teams to deliver high-quality AI agent solutions.

Posted 7/29/2026full-timeBerlin • 🇩🇪 GermanySeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building modern web applications with TypeScript, React, and Node.js, while ensuring high-quality backend services and APIs. Proficient in driving complex projects and collaborating across functions to enhance user experiences and product outcomes.

Highest-signal resume keywords
TypeScriptReactNode.jsBackend ServicesAPIs

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Web Application DevelopmentEvent-Driven SystemsSoftware Engineering Best PracticesClean ArchitectureTesting StrategyObservabilityMaintainabilityCross-Stack DevelopmentUser Experience DesignMachine Learning Engineering
Soft Skills
Excellent CommunicationProactive MindsetInfluencing Technical DecisionsMentoringContinuous Learning
Industry Keywords
AI Agent EvaluationProduct-Minded EngineeringCross-Functional CollaborationFast-Moving EnvironmentsFeedback Iteration

Tech Stack

Tools & technologies
JavaScriptNode.jsReactTypeScript

About the role

Key responsibilities & impact
  • Be a key technical contributor shaping the systems, tooling, and workflows that power AI agent evaluation at scale.
  • Collaborate closely with product managers, designers, data engineers, applied AI/ML partners, and fellow engineers to build internal and customer-facing capabilities that improve the quality of our AI agents.
  • Ship features end-to-end, shape technical direction, raise the bar on engineering quality, and influence how the team solves complex problems.

Requirements

What you’ll need
  • 5+ years of experience building modern web applications using TypeScript, React, and Node.js
  • Strong experience designing and building backend services, APIs, and event-driven systems
  • Strong understanding of software engineering best practices, including clean architecture, testing strategy, observability, and maintainability
  • Experience working across the stack and delivering polished, performant, accessible user experiences.
  • Ability to independently drive complex projects from ambiguity to execution, while partnering effectively across functions.
  • Excellent communication skills, proactive mindset and the ability to influence technical decisions, align stakeholders, and mentor other engineers.
  • You are a product-minded engineer, you care deeply about the end-user experience and proactively contribute ideas to improve product outcomes.
  • Comfort working in fast-moving, cross-functional environments and iterating based on feedback.
  • A drive for continuous learning, reflection, and improvement, in both your own growth and your team’s success.
  • Eager to expand into ML engineering and learn how it connects to evaluation, testing, and the lifecycle of AI systems.

Benefits

Comp & perks
  • Flexible working hours
  • Opportunities for continuous learning and development
  • Ability to work from our offices around the world
  • Hybrid way of working for collaboration and learning