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Principal AI Scientist - Zalando Assistant(m/w/x)
Building conversational AI agents and RAG pipelines for retail experiences. 10+ years of production AI application experience required. 27-30 days holiday, up to 60% remote.
Requirements
- 10+ years of engineering or applied science experience
- Strong Python skills and production application experience
- Experience building LLM-powered applications or AI agents
- Experience with prompt engineering, tuning, and evaluation
- Experience with agent frameworks (LangChain, LlamaIndex, PydanticAI, DSPy, or similar)
- Experience integrating LLMs with external APIs, tools, or RAG systems
- Experience evaluating conversation quality and defining LLM metrics
- Experience with vector databases, embeddings, or retrieval systems
- Strong analytical and problem-solving skills
- Experience optimizing AI systems for business KPIs
Tasks
- Design and build conversational AI agents
- Develop and integrate RAG pipelines
- Enrich experiences with fresh, contextual data
- Design, tune, and evaluate LLM prompts
- Improve response quality and user engagement
- Integrate LLMs with search, recommendation, and external APIs
- Define and implement evaluation frameworks
- Evaluate conversation quality and grounding
- Run experiments to optimize assistant performance
- Optimize business KPIs (conversion, engagement, retention)
- Own architecture, development, and deployment
- Collaborate cross-functionally with teams
- Mentor colleagues in applied AI and agent development
Work Experience
- 10 years
Education
- Master's degree
Languages
- English – Business Fluent
Tools & Technologies
- Python
- LangChain
- LlamaIndex
- PydanticAI
- DSPy
- RAG
Benefits
More Vacation Days
- 27-30 days of holiday
Purpose-Driven Work
- 2 paid volunteering days
Flexible Working
- Hybrid working model
- Up to 60% remote per week
Additional Allowances
- Work from abroad allowance
Competitive Pay
- Employee shares program
Corporate Discounts
- Employee discounts
Other Benefits
- Relocation assistance
Family Support
- Family services
Healthcare & Fitness
- Health and wellbeing options
Mental Health Support
- Mental health support
Learning & Development
- Training platform
Mentorship & Coaching
- Biannual peer-to-peer review
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Principal AI Scientist - Zalando Assistant(m/w/x)
Building conversational AI agents and RAG pipelines for retail experiences. 10+ years of production AI application experience required. 27-30 days holiday, up to 60% remote.
Requirements
- 10+ years of engineering or applied science experience
- Strong Python skills and production application experience
- Experience building LLM-powered applications or AI agents
- Experience with prompt engineering, tuning, and evaluation
- Experience with agent frameworks (LangChain, LlamaIndex, PydanticAI, DSPy, or similar)
- Experience integrating LLMs with external APIs, tools, or RAG systems
- Experience evaluating conversation quality and defining LLM metrics
- Experience with vector databases, embeddings, or retrieval systems
- Strong analytical and problem-solving skills
- Experience optimizing AI systems for business KPIs
Tasks
- Design and build conversational AI agents
- Develop and integrate RAG pipelines
- Enrich experiences with fresh, contextual data
- Design, tune, and evaluate LLM prompts
- Improve response quality and user engagement
- Integrate LLMs with search, recommendation, and external APIs
- Define and implement evaluation frameworks
- Evaluate conversation quality and grounding
- Run experiments to optimize assistant performance
- Optimize business KPIs (conversion, engagement, retention)
- Own architecture, development, and deployment
- Collaborate cross-functionally with teams
- Mentor colleagues in applied AI and agent development
Work Experience
- 10 years
Education
- Master's degree
Languages
- English – Business Fluent
Tools & Technologies
- Python
- LangChain
- LlamaIndex
- PydanticAI
- DSPy
- RAG
Benefits
More Vacation Days
- 27-30 days of holiday
Purpose-Driven Work
- 2 paid volunteering days
Flexible Working
- Hybrid working model
- Up to 60% remote per week
Additional Allowances
- Work from abroad allowance
Competitive Pay
- Employee shares program
Corporate Discounts
- Employee discounts
Other Benefits
- Relocation assistance
Family Support
- Family services
Healthcare & Fitness
- Health and wellbeing options
Mental Health Support
- Mental health support
Learning & Development
- Training platform
Mentorship & Coaching
- Biannual peer-to-peer review
About the Company
Zalando
Industry
Retail
Description
The company is an exclusive online shopping club for fashion and lifestyle products across Europe, offering daily sales campaigns.
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