Job
- Level
- Senior
- Job Field
- Software, Data
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Location
- Berlin
- Working Model
- Hybrid, Onsite
Job Summary
In this role, you will develop robust backend services and APIs for AI agent evaluation while also working on user-friendly frontend solutions, collaborating with cross-functional teams.
Job Technologies
Your role in the team
- At Zendesk, we're on a mission to build the most advanced AI agents in CX, and the AI Agent Testing team within the AI Agents organization plays a critical role in ensuring those agents are reliable, robust, and ready to deliver real customer value.
- Our focus is on synthetic testing, evaluation workflows, validation frameworks, and tooling that help us measure quality, uncover failure modes, and ship with confidence.
- As a Senior Fullstack Engineer on this team, you'll be a key technical contributor shaping the systems, tooling, and workflows that power AI agent evaluation at scale.
- While this is a fullstack role, it leans more on backend development as we're looking for someone who is deeply comfortable with APIs, event-driven systems, testing infrastructure, data workflows, and platform thinking, while also being able to design and deliver polished user-facing tools when needed.
- You'll 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.
- In this role, you'll not only ship features end-to-end, but also help shape technical direction, raise the bar on engineering quality, and influence how the team solves complex problems.
- Your work will directly impact how Zendesk validates and improves its AI agents, helping ensure our products are trustworthy, measurable, and effective.
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Our expectations of you
Qualifications
- Strong understanding of software engineering best practices, including clean architecture, testing strategy, observability, and maintainability.
- 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.
- 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.
- You are eager to expand into ML engineering and learn how it connects to evaluation, testing, and the lifecycle of AI systems.
Experience
- 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.
- Experience working across the stack and delivering polished, performant, accessible user experiences.
- You are a product-minded engineer, you care deeply about the end-user experience and proactively contribute ideas to improve product outcomes.
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What we offer
- 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.
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Topics that you deal with on the job
Job Locations
This is your employer
Zendesk
Zendesk is a renowned company based in San Francisco, USA, that provides a cloud-based platform for customer service and CRM solutions. The software helps businesses effectively handle customer inquiries and automate support processes. Additionally, Zendesk is developing AI-driven solutions to enhance digital customer interactions.
Description
- Company Type
- Established Company
- Industry
- Internet, IT, Telecommunication
Senior Software Engineer
- Location
- Berlin
- Working Model
- Hybrid, Onsite
- Diversity
- Open for all genders
- English Only
- English only required
