Senior Machine Learning Scientist (AI Researcher)

Job Description

Please note, we can sponsor visas for this position, but do not have additional relocation budget. This role can be based anywhere within Germany.

Ultimate were acquired by Zendesk in March 2024, we’ve become even more powerful. Together with Zendesk we’re joining forces to build the world’s most advanced AI agents in CX.

The Agentic Tribe is revolutionizing the chatbot and voice assistance landscape with Gen3, a cutting-edge AI Agent system that’s pushing the boundaries of conversational AI. Gen3 is not your typical chatbot; it’s a goal-oriented, dynamic, and truly conversational system capable of reasoning, planning, and adapting to user needs in real-time. By leveraging a multi-agent architecture and advanced language models, Gen3 delivers personalized and engaging user experiences, moving beyond scripted interactions to handle complex tasks and „off-script“ inquiries with ease.

We are delighted to be hiring a Senior Machine Learning Scientist for the AI Agent product at Zendesk. You will own a designated product area and revolutionize how our customers experience our products. This is an exciting opportunity to bridge the gap between cutting-edge ML research and real-world impact. You’ll have the freedom to shape the product roadmap, discover innovative ML applications, and collaborate with a talented cross-functional team.

Key responsibilities:

1. You’ll be part of a team responsible for designing and testing novel AI solutions for real business problems.
2. You’ll own the full research projects end-to-end from understanding business requirements to design, implementation, experimentation and reporting.
3. You’ll discuss your and others ideas in the research team regularly and provide peer review for your colleagues work.
4. You’ll keep up with the NLP and ML fields and literature and introduce new concepts discovered as potential solutions to our business problems.
5. You’ll work closely with machine learning engineers helping them implement your designs into our production system.
6. You’ll use suitable tools and technologies for rapid implementation and quickly testing your hypotheses while keeping in mind the requirements of future production implementation.
7. You’ll collaborate with Product managers and other non-technical stakeholders to discover product roadmap.

Who you are:

1. Degree in Computer Science, Machine Learning, Statistics, Engineering, Mathematics, etc.
2. Proven record of Machine Learning or NLP research in industry.
3. Knowledge of building deep learning neural network architectures, ideally with focus on NLP.
4. Ability to implement ideas from research literature into proof-of-concept models.
5. Practical approach for researching machine learning solutions to business problems.
6. Huge bonus if you have experience with conversational AI.
7. A positive, pro-active team player who is passionate about their craft, is keen to take part in product discussions and cares about helping the team deliver.
8. Great communication skill and fluency in English.

How do we measure success in this role?

1. How well your work aligns with the overall product roadmap and strategic goals.
2. Effectiveness in collaborating with product managers, engineers, designers, and other stakeholders.
3. Discovery and Ideation – ability to identify new opportunities within the product area, as well as their ability to prioritize and champion these ideas.

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.

Zendesk is an equal opportunity employer, and we’re 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.

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.

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