Staff Machine Learning Scientist
Zendesk · Lisbon, Portugal
About this role
Zendesk is hiring a staff-level AI Research Scientist in the machine learning function based in Lisbon, Portugal. The posting calls out experience with PyTorch, NLP, Deep Learning, Data Structures.
- Role
- AI Research Scientist
- Function
- machine learning
- Level
- staff
- Track
- Tech leadership
- Employment
- Full-time
- Location
- Lisbon, Portugal
- Posted
- May 19, 2026
More roles at Zendesk
Job description
from Zendesk careersJob Description
Zendesk’s people have one goal in mind: to make Customer Experience better. Our products help more than 125,000 global brands (AirBnb, Uber, JetBrains, Slack, among others) make their billions of customers happy, every day.
Our team is responsible for helping Customer Experience teams to achieve their best, by intelligently solving repetitive work, so they can shift their focus to solving more sophisticated problems. We use the latest trends in Machine Learning algorithms to help us on that mission, and we're passionate about empowering our customers.
You will be embedded in a multi-functional team, closely collaborating with scientists, engineers and product managers. You will contribute to the research road map of Zendesk, by researching and building efficient machine learning solutions that can power AI capabilities, such as intelligent triage and admin center recommendations.
What you’ll be doing
Pair with applied ML scientists to learn about our technology stack and architecture
Collaborate with ML teams to research, build and improve efficient AI solutions with a significant impact on customer support
Solve meaningful and challenging problems with recent ML techniques including neural networks and information retrieval
Support productionizing ML techniques and learn how to design for scale
Collaborate with hardworking, experienced, and humble colleagues around the globe
This is an excerpt. Read the full job description on Zendesk careers →